Professor Lars Erik Sjöberg

  

    Royal Institute of Technology (KTH), Division of Geodesy

       Teknikringen 72, SE-100 44 Stockholm, SWEDEN

    Tel:  +46 8 790 7330

    Fax: +46 8 790 7343

    Email    

CURRICULUM VITAE

 

Name: Lars Erik Sjöberg

Civil status: Married, with two children

Academic degrees:

  • 1971   Master of Science in Surveying, KTH, Stockholm

  • 1975   PhD in Geodesy, KTH

Membership in professional organisations:

  • 1982-2002          The Nordic Geodetic Commission Presidium

  • 1984-                  The Swedish National Committee for Geodesy and Geophysics:  Swedish IAG Representetive

  •  1981-                 The Geophysical Society of Sweden (GSS)

  • 1984-                  The GSS committee, Chairman: 1991-

  • 1989-                  Corresponding member of Deutsche Geodätische Kommission

  • 1989 – 1991       Editorial Board of Manuscripta Geodaetica

  • 1991 – 1995       Joint Editorial Board of MG and Bulletine Geodesique

  • 2004-                  Editorial Board of Studia Geophys.et Geod.

  • 1975-                  Member ca. 20 IAG SSGs; chaired SSGs 4.91, 4.96, 5.121

Professional experiences:

  • 1971-1975                                   Assistant Professor in Geodesy, Department of Geodesy, KTH

  •  1976-1977                                  Research Associate in Geodesy, KTH

  • 1977-1980                                   Senior Research Associate in Geodesy, KTH, (1/2 time)

  • 1977-1980                                   Lecturer in Geodesy, KTH (1/2 time)

  • Jan 1977 - Apr 1978                  Research Associate, Department of Geodetic Science, The Ohio State University, Columbus, Ohio, USA

  •  Oct 1978-                                   Docent in Geodesy, KTH

  • Sep 1980- May 1984                 Docent in Geodesy, KTH, Associate professor at the National Land Survey of Sweden

  • Apr 1981- May 1984                 Co-opted professor in Geodesy, University of Uppsala

  • Jun 1984 -                                   Professor in Geodesy, KTH

  • Jul 1988 - Dec 1992                    Head of the Department of Geodesy, KTH

  • Jan 1993 – -August 1998          Head of the Department of Geodesy and Photogrammetry, KTH

  •  Jul 1990 - June 1993                 Deputy Dean of School of Surveying

  •  1981- 2006                                 Supervision of 17 successful Postgraduate and Ph.D. students        

Study and research leaves:

  • Jan - Feb 1997  Oct.-Dec. 2002:   Research visit to Dronning Maud Land, Antarctica Curtin University, Perth, and  UNSW, Sydney, Australia 

  • Jan 1977-Apr 1978:  Research Associate, Department of Geodetic Science, The Ohio State University

  • March 1997 – June 1997: The Department of Surveying Engineering, The University of New Brunswick, Fredericton, Canada

  • Jan 1983-June 1983: Fellow of the Alexander-von-Humboldt Foundation, Department of Geodetic Science, The Stuttgart University Visiting Professor

  • June 1988-Jul 1988:  The Department of Surveying Engineering, The University of New Brunswick, Fredericton, Canada.

Recognition:

- August 1991:   Elected as IAG Fellow

  Publications:   About 235 titles

SCIENTIFIC PUBLICATIONS

 

1.                  Prediktion av temperaturer. Diploma work, 1971, 59 pp.

2.                  On the Discrete Boundary Value Problem of Physical Geodesy with harmonic Reduction to an Internal Sphere. Dissertation, May 1975, 165 pp.

3.                  Test of a Kalman Model and a Deterministic Model for Prediction of Gravity Anomalies. Stockholm, 1975, 19 pp.

4.                  Are General Least Squares Estimators Biased? Stockholm, 1976, 18 pp.

5.                  Studies of Crustal Movements on Iceland. Stockholm, 1976, 15 pp.

6.                  Undersökning av en approximativ matrisinvers och dess användning vid iterativ bestämning av entydiga inverser. Stockholm, 1976, 21 pp.

7.                  Bestämning av refraktion med interferometer. Svensk lantmäteritidskrift, nr 3, 1976, 6 pp.

8.                  Unbiased Estimation of Parameters. Zeitschrift für Vermessungswesen, 11, (1976), pp. 479 485.

9.                  Preliminära undersökningar av horisontella rörelser i jordskorpan vid Båstad 1974 1976. Stockholm, 1976, 46 pp.

10.               Universalbas för kalibrering av elektromagnetiska avståndsmätningsinstrument. (Universal Baseline for Calibration of Electronic Distancers.) Svensk lantmäteritidskrift, 2 (1977), pp. 105 109. (G Stoimenov and L Sjöberg).

11.               Investigation of the Size and the Quality of the Existing Triangulation Net in Tanzania in Connection with Resetlement of the Population in the Rural Areas. L Sjöberg and G Stoimenov, 1977. Research project sponsored by Sarec (The Swedish Agency for Research Cooperation with Developing Countries.) Parts: Historical Background and Review of the existing Triangulation Net., 30 pp. Possibility for a Low Cost Plan of Mapping the Country. 24 pp. Plan for Remeasurement and Readjustment of the Network. 54 pp. EDM Calibration Baseline. 15 pp. Dodoma Township Trigonometric Breakdown. 26 pp.

12.               Some Error Estimates for Spherical Harmonic Developments of Gravity at the Surface of the Earth. Paper presented at the Spring Annual Meeting of the American Geophysical Union, Washington, D.C. June 3, 1977. 13 pp.

13.               On the Errors of Spherical Harmonic Developments of Gravity at the Surface of the Earth. Department of Geodetic Science, Report No 257, OSU, Columbus, August 1977. 74 pp.

14.               The Accuracy of Gravimetric Deflections of the Vertical as Derived from GEM 7 Potential Coefficients and Terrestrial Gravity Data. Department of Geodetic Science Report No.265, OSU, Columbus, November 1977, 18 pp.

15.               The Determination of Gravity Anomalies from Geoid Heights. Department of Geodetic Science Report No. 269, OSU, Columbus, December 1977. (R. Rummel, L. Sjöberg and R.H. Rapp) 30 pp.

16.               The Accuracy of Geoid Undulations by Degree Implied by Mean Gravity Anomalies on a Sphere. OSU, Columbus and The Royal Institute of Technology, Stockholm, May 1978. J. Geophys. Res. Vol.84, No. B11, pp. 6226 6230.

17.               A Comparison of Bjerhammar's Methods and Collocation in Physical Geodesy. Department of Geodetic Science Report No. 273, OSU, Columbus, July 1978, 82 pp.

18.               Potential Coefficient Determinations from 10 Degree Terrestrial Gravity Data by Means of Collocation. Department of Geodetic Science Report No. 274, OSU,  September 1978, 35 pp.

19.               On the Determination of Potential Coefficients by the Use of the Energy Integral for Satellites. Department of Geodesy,  Royal Institute of Technology, Stockholm, 1978, 58 pp.

20.               Integral Formulas for Heterogeneous Data in Physical Geodesy. Royal Institute of Technology, Stockholm, November 1978. Bulletin Geodesique  Vol. 53, 1979, pp. 297 315.

21.               On the Convergence Problem for the Spherical Harmonic Expansion of the Geopotential at the Surface of the Earth. Royal Institute of Technology, Stockholm, February 1979. Bolletino di Geodesia e Scienze Affini, Vol. 29, No. 3, 1980. Submitted to IAG General Assembly, Canberra, 2 15 Dec. 1979, 11 pp.

22.               On the Existence of Solutions for the Method of Bjerhammar in the Continuous Case. Bulletin Geodesique, Vol. 53, pp. 227 230, 1979.

23.               A Recurrence Relation for the  BETA(N) function. Bulletin  Geodesique, Vol. 54, pp. 69 72, 1980.

24.               Spectral Interpretation of Mean Value Representation of the Gravity Field. IAG General Assembly, Symposium: "Representing and Modelling of the Terrestrial Gravity  Field", Canberra, 1979, 37 pp.

25.               On the Fourier Series Representation of Functions Based on Mean Values. The Royal Institute of Technology, Stockholm, 1978, 8 pp.

26.               Maximum Likelihood Estimation of Covariances and Weighted  Mean with Application to Repeated EDM Observations. The Royal Institute of Technology, Stockholm, September 1979.  Zeitschrift für Vermessungswesen, Vol. 105, No. 10, pp. 484-490.

27.               A Note on the Convergence of Collocation. Department of Geodetic Science, OSU, Columbus and The Royal Institute Technology, Stockholm, 1978, 11 pp.

28.               Least Squares Combination of Satellite Harmonics and Integral Formulas in Physical Geodesy. Gerlands Beiträge zur Geophysik Vol. 89, No. 5, pp. 371 377, 1980.

29.               Direct Mean Versus Weighted Mean of Correlated Data. The Royal Institute of Technology, Stockholm, January 1980. Survey Review, Vol. 26, No. 199, pp. 3 10, 1981.

30.               Least Squares Combination of Satellite and Terrestrial Data in Physical Geodesy. The Royal Institute of Technology, June 1980. Presented at the International Symposium on Space Geodesy and Its Applications, 18 21 November 1980, Cannes. Ann. Geophys., Vol. 37, No. 1, pp. 25 30, 1981.

31.               On the Recovery of Geopotential Coefficients using Satellite to Satellite Range Rate Data on a Sphere. National Land Survey, Gävle, Oktober, 1980. Bulletin Geodesique, Vol. 56, No. 1, pp. 27 39. 1982.

32.               Swedish National Report on the Computations RETrig phase 1980 1981. In Proceedings of the IAG Section I Subcommission RETrig Meeting in London, 11 14 May 1981. (L. Sjöberg and L. Eliasson). 15 pp.

33.               Statistical Tests on ED79 Residuals for Denmark. In Proceedings of the IAG Section I Subcommission RETrig Meeting in London, May 1981. 6 pp.

34.               An analysis of systematic and random errors in the Swedish motorized precise levelling technique. Tekniska tidskrifter, Professional papers, 1981:2, National Land Survey, Gävle, 1981. 22 pp.

35.               On the altimetry gravimetry boundary problem. Report No. 12 of the Department of Geodesy, The University of Uppsala,  1981. Bolletino di Geodesia e Science Affini, Vol. 31, No.  4, pp. 377 392, 1982.

36.               Geodetiska satellitmetoder   en översikt. Tekniska skrifter Professional papers, 1981:6, National Land Survey, Gävle, 1981. 32 pp.

37.               Moderna geodetiska metoder. Svensk lantmäteritidskrift, No. 4, pp. 294 302, 1981.

38.               Some problems related to inhomogeneous control networks in developing countries and their solutions. Presented to the Second Symposium on Geodesy in Africa, Nairobi, November 1981. (L. Sjöberg and G. Stoimenov). 26 pp.

39.               Statistical Tests on ED79 Residuals for Norway. National Land Survey, Gävle, March 1982. 10 pp.

40.               Rapport från Third International Geodetic Symposium on Satellite Doppler Positioning, Uppsala, March 1982. 12 pp.

41.               Land Uplift and Its Implications on the Geoid in Fennoscandia. Presented to the IAG General Meeting, Tokyo, May 7 20, 1982. Tectonophysics, Vol. 97, pp. 97 101, 1983.

42.               Station Adjustment of Directions Using Generalized Inverses. The Department of Geodesy Report No. 13, Uppsala, 1982. Proceedings of the FIG Study Group 5B Meeting Survey Control Networks, Ålborg, July 7 9 1982, 19 pp.

43.               Studies on the Land Uplift and Its Implications on the Geoid in Fennoscandia. The Department of Geodesy Report No. 14, Uppsala, 1982. 26 pp.

44.               Spectral Analysis of the Land Uplift in Fennoscandia. Proceedings of the ninth Nordic Geodetic Commission Meeting, Gävle, September 13 17, 1982. 8 pp.

45.               Singular Versus Regular Adjustment of Gravity Networks for Various Observation Strategies. The Department of Geodesy Report No. 15, Uppsala, 1982. Proceedings of the Nordic Geodetic Commission, Gävle, September 13 17, 1982. 29 pp.

46.               Homogeneity Tests of the Swedish and Norwegian RETrig data Using Modulated Normal Distribution Theory. Tekniska Skrifter   Professional papers 1982:10. National Land Survey, Gävle, September 1982. 14 pp.

47.               Bestämning av landhöjningen i Sverige ur upprepade precisionsavvägningar. Proceedings of the Nordic symposium "Landhöjning och Kustbygdsförändring", Symposium publication Volume 1, Luleå 1982. Editor: O Stephansson. (Ekman, Eliasson, Pettersson, Sjöberg). 11 pp.

48.               A comparison of ED 79 and Satellite Doppler Coordinates in Sweden, National Land Survey, Gävle 1982. (Sjöberg och Eliasson). 9 pp.

49.               Unbiased Estimation of Variance Covariance Components in Condition Adjustment. In the Commemorative Volume on the  Occasion of Erik Tengström's 70th Birthday, The Department of Geodesy Report No. 19, The University of Uppsala, pp. 223 237, Uppsala, 1983.

50.               Unbiased Estimation of Variance Covariance Components in Condition Adjustment with Unknowns   a MINQUE Approach. Zeitschrift für Vermessungswesen, 108, 9, pp. 382 387, 1983.

51.               The Fennoscandian land uplift spectrum and its correlation with gravity. Presented to the Symposium "The role of gravimetry in geodynamics". The XVIIIth General Assembly of the IUGG, Hamburg, August, 1983. Proceedings of the International Association of Geodesy Symposia, Vol. 1, 166 179, The Ohio State University, Columbus, Ohio, 1983.

52.               Variance Covariance Component Estimation by Condition Adjustment with Application to Direction Observations in Sweden. The Department of Geodesy Report No. 21, The University of Uppsala, 1983.

53.               Determination of the land uplift from old water marks and tide gauge data at Ratan and Lövgrundet/Björn. 16:e Nordiska Geologiska Vintermötet, Stockholm, January 1984. 12 pp. Neotechtonics, Vol. I, No. 1, 1986

54.               An analysis of land uplift and mean sea level in Stockholm  1774 1982. The Department of Geodesy Report No. 25, The University of  Uppsala, 1984. 7 pp. (L. Sjöberg and M. Ekman)

55.               Rapport från IUGG:s möte i Hamburg 1983. Note in Svensk Lantmäteritidskrift, 1984, 2, pp. 146 147.

56.               Unbiased Estimation of Variance Covariance Components in Condition Adjustment with Special Emphasis on Computational Efficiency. Survey Review, Vol. 28, pp. 15 23, Jan 1985.

57.               Non Negative Variance Component Estimation in Linear Adjustment Models. Manuscripta Geodaetica, Vol. 9, pp. 247 280, 1984.

58.               The need for astronomical observations in the densification of satellite positioning networks. A theoretical study. Tekniska Skrifter   Professional Papers, LMV Rapport 1984:4. 13 pp.

59.               General matrix calculus, adjustment and variance covariance component estimation. In B G Harsson (Ed.): Optimization of geodetic Operations, Lecture Notes, Nordiska Forskarkurser 12/1984, Norges Geografiske Oppmåling Publ. No. 3/1984, pp. 7-69, 1984.

60.               On the convergence problem of the satellite derived spherical harmonic expansion of the geopotential at the Earth's surface. Proceedings of the 5th International Symposium "Geodesy and Physics of the Earth", Magdeburg, GDR, September 1984. Part II, pp. 108 114.

61.               Least squares modification of Stokes' and Vening Meinesz'  formulas by accounting for truncation and potential coefficient errors. Manuscripta Geodaetica, Vol.9, pp. 209 229, 1984.

62.               Least squares modification of Stokes' and Vening Meinesz' formulas by accounting for errors of truncation, potential coefficients and gravity data. The Department of Geodesy Report No. 27, University of Uppsala, 1984. 16 pp.

63.               A two variance component model  representation for the Swedish first order triangulation data. In Proceedings of the IAG Section I Subcommission RETrig Meeting in Copenhagen, October 1984. 7 pp.

64.               Adjustment and Variance Covariance Component Estimation with a Singular Covariance Matrix. Zeitschrift für Vermessungswesen, Vol. 110, 4, pp. 145 151, 1985.

65.               The Accuracy of Geoid Undulations Determined by Modification of Stokes´ Formula Using GEM9 Potential Coefficients. Presented at the Hotine Marussi Symposium on Mathematical Geodesy, Rome, June 1985. Bolletino di Geodesia e Scienze Affini, Vol. 34, 4, pp. 253 271, 1985.

66.               Från geometri till modern geodesi. I Mellan himmel och jord, KTH forskare informerar, pp. 29 33, 1985.

67.               Some comments on Baseline Length Evolution between North America and Europa as Observed by VLBI. Zeitschrift für Vermessungswesen, Vol. 110, 10, pp. 457 461, 1985.

68.               Some methods of estimating geoid undulations by least squares combination of Stokes' formula and geopotential coefficients. The Department of Geodesy Report No. 1 (Trita GEOD 1001), The Royal Institute of Technology, Stockholm, November 1985.

69.               A Comparison of Some Modification Methods to Stokes' Formula Using GEM9 Potential Coefficients. The Department of Geodesy Report No. 2 (Trita GEOD 1002), The Royal Institute of Technology, Stockholm, November 1985.

70.               Geodetisk Positionsbestämning med Satellitsystemet GPS. Svensk Lantmäteritidskrift, No. 6 (1985), pp. 302 307.

71.               Comparison of some methods of determining land uplift rates from tide gauge data. Zeitschrift für Vernmessungswesen, Vol. 112, (1987), 2, pp. 69 73.

72.               Studies on the secular land uplift and long periodic variations of sea level around the coasts of Sweden. The Department of Geodesy Report No. 3, 1986. (L.E. Sjöberg and H. Fan)

73.               Comparison of Some Methods of Modifying Stokes' Formula.  Presented at the International Symposium On the Definition  of the Geoid, Florence, 26 30 May, 1986. Bolletino di Geodesia e Scienze Affini, N. 3, pp. 229 248, 1986. Proceedings of the 10th General Meeting of the Nordic Geodetic Commission, Helsinki 29 Sept. 3 Oct., 1986, pp. 268 278.

74.               The Modification of Stokes' and Hotine's Formulas   A Comparison. Proceedings of the International Symposium The Figure and Dynamics of the Earth, Moon and Planets, Prague, 15 19 September, 1986. Proc. 10th Gen. Meeting of Nordic Geodetic Commission, pp. 268 278, Helsinki, 1986

75.               Noggrann punktbestämning med satellitteknik. Militär Teknisk tidskrift 1 86, pp. 3 10, 1986.

76.               Improved land uplift rates from tide gauge data. Proceedings of the 10th General Meeting of the Nordic Geodetic Commission Helsinki, 29 September   3 October, 1986, pp. 134 143

77.               Förbättring av EDM observationer med ballongburen meteorologisk sond. Svensk lantmäteritidskrift, no.3, pp. 149 153, 1986. (with A Forsberg)

78.               Combinations of temporal changes of gravity, height and potential coefficients for the determination of secular changes of the geoid. Zeitschrift für Vermessungswesen,Vol. 112, (1986),4, pp. 167 172.

79.               A comparison of the modified Stokes' formula and Hotine's formula in physical geodesy. The Department of Geodesy Report No. 4, November 1986. (L.E. Sjöberg and H. Fan; 30  pages)

80.               A note on vertical crustal movement determination techniques. Department of Geodesy Report No. 9 (P. Vanicek and L E Sjöberg), 1987.

81.               On the estimation of variance covariance components with/without invariance assumption in the Gauss Helmert model. The Department of Geodesy Report No. 7, December 1986. (H. Fan and L.E. Sjöberg; 29 pages).

82.               The estimation of the power spectrum and reliability of  models of the Earth's gravity field by intercomparison of  independent models. Manuscripta Geodaetica, Vol. 12, pp. 104 112, 1987.

83.               Experiences with the UNB land uplift modelling program using Swedish levelling and tide gauge data. The Department of Geodesy Report No. 10, March, 1987. (L E Sjöberg and H Fan, 27 pages).

84.               Geodetisk positionsbestämning med satellitsystemet GPS   några aktuella problem och mätresultat. Presentation at Kartdagar at Kiruna, 26 27 March, 1987 (11 pages.)

85.               Four dimensional geodetic positioning   Report of the IAG 4.96. Manuscripta Geodaetica, Vol. 12, No. 3, pp. 147 222, 1987 (P Vanicek et al.).

86.               Progress in global gravity field approximation. In Schwarz, K.P. (Ed.): Contributions to Geodetic Theory and Methodology, IAG Section IV, The XIX General Assembly of the IUGG, Vancouver, August 9 22, 1987, pp. 151 172.

87.               Refined least squares modification of Stokes' formula. Presented to IAG Scientific Meeting "The Challenge of the cm Geoid Strategies and State of the Art". XIX General Assembly of the IUGG Vancouver, Canada, August 9 22, 1987 (13 pages). Manuscripta Geodetica, Vol. 16, pp. 367-375, 1991.

88.               Experiences with the WM 101 GPS receiver. In E. Groten and  R. Strauss (Eds.): GPS Techniques Applied to Geodesy and Surveying, Springer, pp. 107 121, 1988.

89.               Åland GPS levelling experiment in 1987   preliminary report on the results. In E. Groten and R. Strauss (Eds.): GPS Techniques Applied to Geodesy and Surveying, Springer, (E Grafarend, J Kakkuri, L. E. Sjöberg), pp. 125 130, 1988.

90.               The secular change of gravity and the geoid in Fennoscandia. Presented at the NATO Advanced Research Workshop "Causes and effects of earthquakes at passive margins and in areas with postglacial rebound on both sides of the North Atlantic", Vordingborg, Denmark, May 9 13, 1988. (15 pages), In Sören Gregersen and Peter W Basham (Eds.): Earthquakes at North Atlantic Passive Margins: Neotectonics and Postglacial Rebound, Kluwer Academic Publishers, Series C: Mathematical and Physical Sciences, Vol. 266, pp. 125 139, 1989. Paper also presented as invited paper at the Canadian Geophysical Union Meeting, Montreal, May 17-19, 1989.

91.               Studies on secular changes of gravity in Fennoscandia. The Department of Geodesy Report No. 14, The Royal Institute of Technology, Stockholm, September 1988 (L E Sjöberg, (H Fan and E Asenjo; 31 pages.)

92.               A new integral approach to geopotential coefficient determinations from terrestrial gravity or satellite altimetry data. Bull. Geod., 62, (1988), pp. 93 101.

93.               A comparison of three methods for high degree geopotential modelling. In Proceedings of Nordiska Forskarkurser: "Modern Techniques in Geodesy and Surveying", Ebeltoft, Denmark, September 19 30, 1988. National Survey and Cadastre,  Denmark, Publ. 4, Series Volume 1, pp. 329 336, 1989.

94.               Geopotential coefficient determination and the gravimetric boundary value problem   a new approach. In R.H. Rapp (Ed.): Proceedings of the Chapman Conference on "Progress in the Determination of the Earth's gravity field", Ft Lauderdale, Florida, September 13 16, pp. 31 34, 1988

95.               Integral formulas for geopotential coefficient determination from gravity anomalies versus gravity disturbances. Bull.  Geod., Vol. 63 (1989), pp. 213 221.

96.               Accuracy of the geoid computation from gravity disturbances. Paper presented at the CGU Annual Meeting, Montreal, May 17-19, 1989. (C. Zang, L.E. Sjöberg and P Vanicek)

97.               A refined adjustment model for the secular change of gravity on the Fennoscandian 63 latitude gravity line. Proceedings of the Symposium on Global and Regional Geodynamics, IAG General Meeting, Edingburgh, 3 12 August 1989. (IAG symposia 101,), Eds: P. Vyskocil, C. Reigber and P. A. Cross, Springer, pp. 337-348, 1990.

98.               First Experiences of the WM102 GPS Receiver. In Y. Bock and N. Leppard (Eds.): Global Positioning System: An Overview, IAG Symposia 102, Springer, pp. 106-111, 1990 ( J.Piechocinska and L.E. Sjöberg ).

99.               Kernel Modification in Generalized Stokes' Technique for Geoid Determination. In H. Suenkel and T. Baker (Eds.): Sea Surface Topography and the Geoid, IAG Symposium 104, Springer, pp. 31-38, 1990.

100.            The best linear combinations of L1 och L2 frequency observables in the application of Transit/Doppler and GPS. Manuscripta Geodaetica (1990), Vol 15, pp. 17 22.

101.            Systematic tropospheric errors in geodetic positioning with the global positioning system. The Department of Geodesy Report No 21, Royal Institute of  Technology, February 1990.  Proceedings of the 4th General Meeting of the NKG in  Copenhagen, 7-11 May 1990, pp. 151-168. Bull. Geod., Vol. 17, pp. 201-209, 1992.

102.            Estimates of present rates of land and geoid uplift in Eastern North America. Manuscripta Geodaetica (1990), Vol.15, pp. 261-272. (L. E. Sjöberg, P. Vanicek and M.Kwimbere).

103.            Determination of the geoid in the Swedish GPS test network, SLT (1990) no.4, pp. 46-52. (In Swedish; E. Asenjo and L. E. Sjöberg ).

104.            Reformulation of Stokes' theory for higher than second  degree reference field and modification of integration kernels. J. Geophysical Research, Vol. 96, no. B4, pp. 6529-6539, 1991. (P. Vanicek and L. E. Sjöberg ).

105.            The establishment of a GPS deformation network in the Ethiopian Rift Valley. The 3rd International Symposium on Recent Crustal Movements in Africa, 8-11 December 1990, Aswan, Egypt. (L. E. Sjöberg, E. Asenjo and  A. Alemu). J. of Geodynamics, Vol. 14, Nos 1-4, pp. 9-18, 1991.

106.            Gravity Field Interpretation and Crustal Model Studies in the Main Ethiopian Rift. The 3rd International Symposium on Recent Crustal Movements in Africa, 8-11 December, 1990, Aswan. (A. Alemu and L. E. Sjöberg).

107.            Generalization of Stokes' and Hotine's formulas to a non-spherical Earth. Manuscripta Geodaetica (1990), Vol.15, pp. 74-82.

108.            Some integral formulas for a non-spherical Earth, R. H. Rapp and F. Sanso, ( Eds.), Determination of the Geoid, Present and Future , IAG Symposia 106 , Springer-Verlag, pp. 333-337, 1990.

109.            Contributions to the problem of modifying Stokes' formula. Department of Geodesy Report no.24 (Trita Geod. 1024),  September, 1990.

110.            Estimate of present land uplift rates in Fennoscandia and  Laurentia - a comparison of some recent papers. Paper presented to the meeting of the IAG SSG 5.121  "Causes and  Mechanisms of  Postglacial Uplift ", Kiel, February 1990. (5 pp).

111.            The Fennoscandian geoid bulge and its correlation with land  uplift and Moho depth, Paper presented to the Symposium  "Application of Gravimetry and Space Techniques to Geodynamics and Ocean Dynamics ", The XX-th IUGG General Assembly, Vienna, August 11-24, 1991. (L. E. Sjöberg, T. Nord and H. Fan). In B. E. Schultz, A. Anderson, G. Froidevaux and M. Park (Eds.): Gravimetry and space techniques applied to geodynamics and ocean dynamics, AGU Geophysical Monograph Series, Vol. 82, pp. 133-142, Wellington, 1994.

112.            Preliminary results from Swedish sites of the 1990 Baltic Sea GPS campaign. Presented to the IAG Section I meeting,  the XX-th IUGG General Assembly, Vienna, August 11-24, 1991. (M. Pan and L. E. Sjöberg ), (11 pp.) 

113.            Report of the activities of the IAG SSG 5.121 "Causes and Mechanisms of  Postglacial Uplift "for the period September 1987 - June 1991. Presented at the IAG Section V meeting, The XX-th IUGG General Assembly, Vienna, August 11-24, 1991. In P. Willis, (Ed.) Travaux de Lássociation Internationale de Géodesie, Tome 29, pp. 476-485, Paris, 1992.

114.            Error propagation in maritime delimitation. Presented to the IAG working group, " Geodetic Aspects of the Law of the Sea " The XX-th IUGG General Assembly, Vienna, 1991. In S. Mira (Ed.): Proc. Second International Symposium on Geodetic Aspects of the Law of the Sea (GALOS), Denpasar, Bali, 1 - 4 July, pp. 153-168, 1996.

115.            Åland GPS levelling experiment in 1987. Bull. Geod., Vol. 65, pp. 209-217, 1991.

116.            A Comparison of Stokes's and Hotine's Approaches to Geoid  Computation. Manuscripta Geodaetica, Vol. 17, pp. 29-35, 1992. (P. Vanicek, Z. Changyou and L. E. Sjöberg.)

117.            Geoidal undulation computation by modifying Stokes' kernel versus Hotine's kernel from gravity anomalies. Manuscripta Geodetica, Vol. 17, pp. 135-140, 1992. (L. E. Sjöberg and T. Nord)

118.            Some results of the 1989 and 1990 Skåne GPS Campaigns. The  Department of Geodesy, KTH, 1991. (M. Pan and L. E. Sjöberg).

119.            Baltic sea level project - the first GPS campaign. Presented at The XX-th IUGG General Assembly, Vienna, August 11-24,  1991. (P. Dietrich, E. Grafarend, E. Groten, G. Hein, B. Jonsson, J. Kakkuri, F. Madsen, H. Seeger, L. E. Sjöberg, J. Sledzinski and J. Zielinski), In P. Willis, (Ed.) Travaux de Lássociation International de Geodesie, Tome 29, pp. 513-523, Paris, 1992.

120.            Fennoscandian land uplift - an introduction. Terra Nova, Vol. 3, No. 4, pp. 356 - 357, 1991.

121.            A spectral analysis of geoid undulation and gravity anomaly data computed with Pratt's isostatic model applied to Moho depth variations in Fennoscandia. Geophys. J. Int., Vol. 111, pp. 179-184, 1992 (T. Nord and L. E.  Sjöberg ).

122.            Height anomaly and potential coefficient determination from surface gravity anomalies, 19 pp. Presented to workshop on geoid and topography determination, Lambrecht, Pfalz, May 1992.

123.            Baltic Sea Level Project with GPS, 8 pp. Presented to the IAG SSG 5.143 Studies of the Baltic Sea Meeting, Stettin, October 1992. (P. Ming and L.E. Sjöberg). Bull. Geod. (1993),Vol. 67, pp. 51-59.

124.            On the terrain correction in the atmospheric gravity and geoid correction. In H. Montag and C. Reigberg. (Eds.): Geodesy and Physics of the Earth, Int. Association of Geodesy Symposia, No. 112,  Springer Verlag, pp. 283-286, 1993.

125.            Terrain effects in the atmospheric gravity and geoid corrections. Bull. Geod. (1993), Vol. 67, 178-184.

126.            The best quadratic minimum bias non-negative estimator for an additive two variance component model. Manuscripta Geodaetica (1995) 20:139-144.

127.            Swedish Geodetic survey in Antarctica. Presented to the SCAR Working Group on Geodesy and Geographic Information Meeting Bariloche, Argentina, (P. Jansson, L-H Sandvik and L.E. Sjöberg) 4-16 June, 1992.

128.            On the  quasigeoid to geoid separation. Manuscripta Geodaetica (1995), Vol. 20, pp. 182-192.

129.            Further studies on the Fennoscandian gravity field versus the Moho depth and land uplift. Presented at the IAG General Meeting in Beijing, 6-13 August 1993. Bull. Geod. (1994), Vol. 63, pp. 32-42.(Sjöberg, Fan, Nord)

130.            The Antarctic gravity and geoid situation. Presented at the IAG General Meeting in Beijing, 6-13 August 1993, (Sjöberg, Fan).

131.            Reply to Marquart. A note in Geophys. J. Int. (1993), Vol. 115, p. 605. (T. Nord and L. E. Sjöberg)

132.            Theory for inversion of dynamic geodetic data: Mathematical rationale and some applications. Division of Geodesy Research Report No. 33, (TRITA-GEOD 1033), Stockholm. (S. Zhao and L. E. Sjöberg) December, 1993.

133.            Techniques for geoid determination. In P. Vanicek, and N. T. Christou (Eds.): Geoid and its geophysical interpretations, CRC Press, Inc., Boca Raton, Fl., 1994, pp. 34-56.

134.            The terrain correction in geoid computation from satellite derived geopotential models. Division of Geodesy, KTH, 1994. (7 pp.)

135.            The total terrain effects in geoid and quasigeoid determinations using Helmert´s second condensation method. Division of Geodesy, KTH, 1994. (9 pp.)

136.            The total terrain effect in the modified Stokes´ formula. In H. Sünkel and I. Marson (Eds): Gravity and Geoid, IAG Symposia 113, Springer Verlag, pp. 616-623.

137.            On the terrain effects in geoid and quasigeoid determinations using Helmert´s second condensation method. Division of Geodesy Research Report No. 36, (TRITA-GEOD 1036), Stockholm, December, 1994.

138.            Swedish Antarctic Geodesy Activities during 1992-1994. In D. Clarke (Ed.): Minutes of the working group on geodesy and geographic information, SCAR XXIII, Rome, Italy, 29 August - 2 September 1994, Belconnen ACT2612, Australia, 1994, 2 p.

139.            Theory for inversion of integral equations with constraints; mathematical rationale and some applications to geodetic data. Manuscripta Geodetica (1995), Vol. 20, pp. 278-299. (S. Zhao and L.E. Sjöberg)

140.            Unification of national height systems with GPS - The Baltic Sea Level 1990 GPS Campaign. In J. Kakkuri (Ed.): Final Results of the Baltic Sea Level 1990 GPS Campaign. Reports from the Finnish Geodetic Institute No. 94:2, Helsinki, 1994, pp. 41-48. (M. Pan and L.E. Sjöberg)

141.            On the unification of vertical datums by GPS and levelling. In M. Kumar, G.A. Maul and G. Seeber (Eds.): Proceedings Int. Symposium on Marin Positioning INSMAP 1994, Pip Printing, Rochville, M.D., 1994, pp. 415-432. (M. Pan and L.E. Sjöberg)

142.            On the downward continuation error in geoid computation from satellite derived geopotential models. Paper presented at the EGS XX General Assembly, Hamburg, 3-7 April, 1995, 8 pp.

143.            Final results of the 2nd Baltic Sea Level GPS Campaign by Swedish group. In J. Kakkuri (Ed.) Final Results of the Baltic Sea Level 1993 GPS Campaign, Reports from Finnish Geodetic Institute, No. 95:2, pp. 57-74, Helsinki, 1995. (M. Pan and L.E. Sjöberg)

144.            On the error of analytical continuation in physical geodesy, Paper presented at the IUGG General Assembly, 2-15 July, 1995, Boulder, Colorado. J. of Geodesy (1996), Vol. 70, pp. 724-730.

145.            Unification of regional vertical datums using GPS. In Beutler, Melbourne, Hein and Seeber (Eds.): GPS trends in precise terrestrial, airborne and spaceborne applications, IAG Symposia No. 115, Springer, 1996 (M. Pan and L.E. Sjöberg)

146.            On the downward continuation error at the Earth´s surface and the geoid of satellite derived geopotential models. Bolletini di Geodesia e Scienze Affini, Vol. 58 (1999), No. 3, pp.215-229

147.            Application of GPS in detailed surveying. ZfV, Vol. 121 (1996), No.10, pp. 485-491.

148.            The terrain effect in geoid computation from satellite derived geopotential models. Boll. Geod. Science Affini, Vol. 55 (1996), No. 4, pp.385-392.

149.            Higher-degree reference field in the generalized Stokes-Helmert scheme for geoid computation, J. of Geodesy (1995), Vol. 70, pp. 176-182. (P. Vanicek, M. Najafi, Z. Martinec, L. Harrie and L.E. Sjöberg)

150.            On the Pratt and Airy models of isostatic geoid undulations. Presented to the EGS General Meeting, The Hague, 6-11 May, 1996. Abstract in M. Bonatz (Ed.): Journeés Luxembourgeoises de Geodynamique, 82nd session, 17-19 March 1997, Conte-Rendus, pp. 30-31. J. of Geodynamics, Vol. 26, No. 1, pp. 137-147, 1998

151.            A new method for GPS phase base ambiguity resolution by combined phase and code observables. Survey Review Vol. 34, No. 268, pp. 363 – 372., 1998.

152.            Unification of vertical datums by GPS and gravimetric geoid models with application to Fennoscandia, Journal of Geodesy, vol. 72, pp. 64-70, 1998 (M. Pan and L. E Sjöberg)

153.            The total terrain effect in gravimetric geoid determinations, Presented at the EGS Meeting, The Hague, 6-11 May, 1996. 15 pp. Bolletino di Geodesia e Scienze Affini, Anno LVI, No. 2, pp. 209-222, 1997.

154.            Numerical studies on the downward continuation error at the geoid of satellite derived potential models. Geomatics Research Australasia, No. 65, pp. 27-42, December 1996. (P. Nsombo and L.E. Sjöberg)

155.            Positioning of station Wasa from the SCAR GPS Campaign 1992. Presented at the meeting of the Working Group of Geodesy and Geographic Information of the Scientific Committee on Antarctic Research, August 7-8, 1996, Cambridge, UK. (M. Pan and L.E. Sjöberg)

156.            Studies on a new method for GPS base ambiquity resolution by combined phase and code observables. In Bo Jonsson (Ed.): ”Geodetic Applications of GPS”, Lecture Notes for Nordic Autumn School, Reports in Geodesy and Geographic Information Systems, LMV – report 1997:16, pp. 203-215, ISSN 0280-5731.

157.            On optimality and reliability for GPS base ambiquity resolution by combined phase and code observables, Zeitschrift für Vermessungswesen, Vol. 122, No. 6, pp. 270-275, June, 1997.

158.            Connection of the Swedish and Finnish vertical datum by GPS. In S. Mira (Ed.): Proc. Second International Conference on Geodetic Aspects of the Law of the Sea, July 1-4, 1996, Bali, pp. 224-239. (M. Pan and L.E. Sjöberg)

159.            Gravitational potential changes of SNREI Earth Model to a Point Surface Mass Load. Division of Geodesy Report No. 1043,TRITA/GEOFOTO 1996:17. Department of Geodesy and Photogrammetry, KTH, Stockholm (W. Sun and L.E. Sjöberg)

160.            A Global topographic-isostatic model. Division of Geodesy Research Report No. 1046, TRITA/GEOFOTO 1997:16, Department of Geodesy and Photogrammetry, KTH, Stockholm (W. Sun and L.E. Sjöberg)

161.            On the estimation of GPS phase ambiquities by triple frequency phase and code data. Zeitschrift für Vermessungswesen,Vol.123, No.5, pp.162-165,1998.

162.            a) The Swedish Geodetic Survey in Antartica in 1997. Division of Geodesy, KTH, 1997, 9 pp. (L.E. Sjöberg and E. Asenjo)
b) A Swedish geodetic survey in Antartica in 1997. Cruise Report. Polar- forskningssekretariatets årsbok 1997, pp. 47-49 (L.E. Sjöberg and E. Asenjo)

163.            Terrain correction to power H3 in gravimetric geoid determination. Journal of Geodesy, vol 72, No. 3, pp. 124 – 135, 1998 (H. Nahavandchi and L. E. Sjöberg).

164.            Linear estimation of GPS phase ambiquities from dual frequency code and phase observables. Division of Geodesy Research Report No. 1049, Royal Institute of Technology, Stockholm, December, 1998.

165.            GPS measurements of crustal deformations in SKÅNE between 1989 and 1996. Presented at the Geological Winter Meeting in Copenhagen, 1997. (C. Talbot, M.Pan L.E. Sjöberg, E.Asenjo)

166.            The atmospheric geoid and gravity corrections. Second Continental  Workshop on the geoid in Europe, Budapest, 10-14 March, 1998. Reports of the Finnish Geodetic Institute No. 98:4, pp.161-167, 1998. Also in Boll.Geod. Sci. Aff., Vol. 57, No.4,pp.421-435, 1998

167.            Unification of vertical datums by GPS and gravimetric geoid models using modified Stokes’s Formula.  Marine Geodesy, Vol. 21, No. 4, pp.261-273, 1998 (H. Nahavandchi and L.E. Sjöberg).

168.            The external Airy/Heiskanen topographic-isostatic gravity potential, anomaly and the effect of analytical continuation in Stokes’s formula. Journal of Geodesy, Vol. 72, pp. 654-662, 1998

169.            The atmospheric geoid effects in Stokes´s formula. Geophysical J. Int., Vol. 140, 95-100, 2000 ( L.E. Sjöberg and H Nahavandchi).

170.            The analysis of the Ethiopian Rift Valley GPS campaigns 1989 and 1994. Division of Geodesy Report No. 1045, KTH, 1997. Trita Geofoto 1997:1, ISSN 1400-3155.

171.            On the indirect effect in geoid determination by the Stokes-Helmert method. Journal of Geodesy, Vol.73, pp. 87-93, 1999. (L.E. Sjöberg and H. Nahavandchi).

172.            Gravitational potential changes of a spherically symmetric earth model caused by a surface load. Phys. Chem. Earth, Vol. 23, No. 1, pp. 47-52, 1998 (W. Sun and L.E. Sjöberg)

173.            –“-            ,  Geophys. J. Int., Vol. 137,449-468, 1999 (W. Sun and L.E. Sjöberg)

174.            The ionospheric problem in GPS phase ambiguity resolution and some possible solutions. In Bo Jonsson (Ed.): Proc. 13th general meeting of the NKG, Gävle, May 1998, part 2, pp. 320-330, Reports in Geodesy and Geographic Information Systems, The National Land Survey, Gävle, 1999

175.            The IAG approach to the atmospheric geoid correction in Stokes formula and a new strategy, J. of Geodesy, Vol. 73, No. 7, pp. 362-366,1999

176.            On the topographic effects by the Stokes-Helmert method of geoid and quasi-geoid determinations. J. of Geodesy, 74, 2, 255-268, 2000

177.            On the topographic effects of Helmert´s method of condensation. In B. Benciolini (Ed.): Proc. IV Hotine-Marussi Symposium on Mathematical Geodesy, Trento, Italy, September 14-17, 1998, IAG Symposia 122:40-47, Springer, 2001 (Presented as invited paper.)

178.            Estimating present- day postglacial rebound in Fennoscandia by repeated GPS campaigns in 1993 and 1997. In M. Poutanen and J. Kakkuri (Eds.): Final results of the Baltic Sea Level 1997 GPS campaign. Reports of the Finnish Geodetic Institute, Report No. 99:4, pp. 85-91 (M.Pan and L.E.Sjöberg)

179.            Estimating present-day postglacial rebound and horizontal movements in Fennoscandia by repeated GPS campaigns in 1993 and 1997, Geophysical Research Letters, Vol.26, No.6, pp.771-774, 1999

180.            A new global topographic-isostatic model, J. of Physics and Chemistry of the Earth, Vol. 24, No. 1, pp. 27-32, 1999 (W. Sun and L.E. Sjöberg)

181.            A global topographic-isostatic model based on a loading theory. In B. Benciolini (Rd.): IV Hotine-Marussi Symposium on Mathematical Geodesy, Trento, Italy, September 14-17, 1998, IAG Symposia 122: 61-76, Springer, 2001. (W. Sun and L.E. Sjöberg)

182.            GPS measurements of crustal deformation in Skåne, Sweden, between 1989 and 1996. GFF, Vol. 121, 67-72, 1999 (M Pan, L E Sjöberg and C Talbot)

183.            An efficient iterative solution to transform rectangular to geocentric coordinates,  ZfV, Vol. 126, No.9, pp. 295-297,1999

184.            Unbiased vs biased estimation of GPS phase ambiguities from dual frequency phase and code observables, Journal of Geodesy, Vol. 73, pp. 118-124 ,1999

185.            Quick GPS ambiguity resolution for short and long baselines, Division of Geodesy Report No. 1051, RIT, Stockholm, March 1999. TRITA-GEOFOTO 1999:3, ISSN 1400-3155 ( M. Horemuz and L.E. Sjöberg)

186.            Glacial rebound near Vatnajökull, Iceland, studied by GPS campaigns in 1992 and 1996.  J. of Geodynamics, Vol. 29, 63-70, 1999 (L.E.Sjöberg, M. Pan, E. Asenjo and S. Erlingsson)

187.            The effect of downward continuation of gravity anomaly to sea level in Stokes´ formula, J. of Geod. 74: 796-804, 2001

188.            Some modifications of Stokes formula that account for truncation and potential coefficient errors, J. of Geodesy, 74, 2, 232-238, 2000. (L.E. Sjöberg and A. Hunegnaw)

189.            Triple frequency GPS for precise positioning. In F. Krumm and V.S. Schwarze (Eds.): Festschrift fur Erik W. Grafarend on the occasion of his 60th birthday, 4-5 November, 1999, pp 467-471

190.            Convergence and optimal truncation of binomial expansions used in isostatic compensations and terrain corrections, J Geod. 74: 627-636, 2001 (W. Sun and L.E. Sjöberg)

191.            Tidal effects on determining a point at the bottom of the Sea by combining GPS and sonar observations. Marine Geodesy, 24: 35-51, 2001 (W. Sun and L. E. Sjöberg)

192.            Permanent components of the crust, geoid and ocean depth tides. J. of Geodynamics, 31: 323-339, 2001 (W. Sun and L.E.Sjöberg)

193.            Precise geoid determination over Sweden by the Stokes-Helmert method and improved topographic corrections.  J of Geod.  75: 74-88, 2001 (H. Nahavandchi and L E Sjöberg)

194.            Two different views of topographical effects and downward-continuation corrections in the Stokes-Helmert approach to geoid computation. J of Geod. 74: 816-822, 2001 ( H. Nahavandchi and L. E. Sjöberg)

195.            The precision of the median line turning points for various reference surfaces and computing algorithms. Proceedings of the International Conference on the Technical Aspects of the Maritime Boundary Delineation and Delimitation, International Hydrographic Bureau, Monaco, 1999, pp. 120-132 (M. Horemuz,, L.E.Sjöberg and H. Fan) 

196.            Tidal effects on sea bottom positioning by combining GPS and sonar observations. Division of geodesy report No. 1053, KTH, Stockholm, ISSN 1400-3155, March 2000. ( W Sun and L E Sjöberg)

197.            A preliminary analysis of the Äspö GPS deformation network in 2000. Technical Document TD-01-03, Svensk Kärnbränslehantering AB, Stockholm, 2001 (M Pan, L E Sjöberg and E Asenjo)

198.            Integration of GPS and INS at raw observable level. Paper presented to The 3rd Int. Symp. on Mobile Mapping Technology, Cairo, June 3-5, 2001. (M Horemuz and L E Sjöberg)

199.            Crustal movements in Skåne, Sweden, between 1992 and 1998 as observed by GPS. Journal of Geodynamics, 31: 311-322, 2001. (M Pan, L E Sjöberg and C Talbot)

200.            Topographic and atmospheric corrections of the gravimetric geoid determination with special emphasis of the effects of degrees zero and one. J Geod. (2001) 75: 283 – 290

201.            Fast GPS ambiguity resolution for short and long baselines. Paper presented to the IAG 2001 Scientific Meeting in Budapest 2-7 September, 2001. (M Horemuz and L E Sjöberg)

202.            Intersections on the sphere and ellipsoid. J Geod. (2002) 76: 115-120

203.            A Swedish geodetic survey in Antarctica in 1999-2000. In E. Grönlund (Ed.): Polarforskningssekretariatet Årsbok 2000, The Swedish Polar Research Sectretary, Stockholm, 2001, pp. 53-55. (L E Sjöberg, I Andersson and E Asenjo)

204.            An analysis of the Ethiopian Rift Valley GPS campaigns in 1994 and 1999. J Geodynamics, 33(2002): 333-343 (M Pan, L E Sjöberg, E Asenjo, A Alemu and L M Asfaw) 

205.            The three-point problem of the median line turning point: solutions for the sphere and ellipsoid. Paper presented at the International Conference on "Accuracies and Uncertainties in Maritime Boundaries and Outer Limits", The International Hydrographic Bureau, Monaco, October 18-19, 2001

206.            The three-point problem of the median line turning point: on the solutions for the sphere and ellipsoid. International Hydrographic Review, 3(2002),1: 81- 87.

207.            Rapid GPS ambiguity resolution for short and long baselines. J Geod.76 (2002), 6-7: 381-391 (M Horemuz and L E Sjöberg)

208.            An analysis of the Äspö crustal motion-monitoring network observed by GPS in 2000, 2001 and 2002. Technical Report No. R-02-33, Swedish Nuclear Waste Management Co. , Stockholm.

209.            The BLUE of GPS Double difference satellite-to-receiver range for precise positioning. ZfV, 128 (2003): 26-30

210.            A solution to the downward continuation effect on the geoid determined by Stokes' formula.   J. Geod. 77: 94-100, 2003

211.            Combined topographic effect applied to the biased type of the modified Stokes formula. Boll. Geod. Sci. Aff. 61(3):207-226. (A. Ellmann and L E Sjöberg)

212.            The ellipsoidal corrections to order e2 of geopotential coefficients and Stokes' formula.  J Geod 77(2003): 139-147

213.            The ellipsoidal correction to Stokes's formula. In I.N. Tziavos (Ed.): Gravity and Geoid 2002, Thessaloniki, Greece, 2003, pp. 97-101. (Presented as invited paper.)

214.            Some problems in the theory used for the NKG geoid model. In M. Poutanen and H. Suurmäki (Eds.): Proc. 4th General Meeting of the Nordic Geodetic Commission, Publ. from the Finnish Geodetic Institute, 2002, pp. 121-130. (L E Sjöberg and J Ågren)

215.            A spherical harmonic representation of the ellipsoidal correction to the modified Stokes formula.  J Geod 78(2004): 180-186

216.            The correction to the modified Stokes formula for an ellipsoidal earth. In M. Santos (Ed.): Honoring the academic life of  Petr Vanicek, UNB Technical Report No. 218, New Brunswick, 2003, pp. 99-110

217.            Two-step procedures for hybrid geoid modelling, J Geod. 78(2004): 66-75. (L E Sjöberg and W Featherstone)

218.            A computational scheme to model the geoid by the modified Stokes's formula without gravity reductions.  J Geod 77(2003): 423-432

219.            Some deterministic modifications of  Stokes's formula. Geomatic Research Australasia,  No. 78, June 2003, pp. 85-106

220.            A general model of modifying Stokes' formula and its least-squares solution. J Geod 77(2003): 459-464

221.            Improving modified Stokes’ formula by GOCE data. Boll. Geod. Szi. Aff. 61(2003): 215-225

222.            The effect on the geoid of lateral topographic density variations.  J Geodesy 78(2004): 34-39.

223.            Land uplift near Vatnajökull, Iceland, as observed by GPS in 1992, 1996 and 1999. Geophys. J. Int. (2004) 159: 943-948. (L E Sjöberg, M Pan, S Erlingsson, E Asenjo, K Arnason)

224.            The ellipsoidal corrections to the topographic geoid effects. J Geod 77(12): 804-808, 2004.

225.            Ellipsoidal correction for the modified Stokes formula. Boll. Geod. Szi. Aff. 63: 153-172

              (Ellmann and L. E. Sjöberg)

226.            Comparison of some methods for modifying Stokes’ formula in the GOCE era.  Proc. 2nd International GOCE User workshop “GOCE, The Geoid and Oceanography”, 8-10 March 2004,ESA-ESRIN, Frascati, Italy. ( J. Ågren and L E Sjöberg)

227.            Oskarshamn site investigation- A deformation analysis of the Äspö GPS monitoring network from 2000 to 2004, SKB P-04-196, May 2004. (LE Sjöberg, M Pan and E Asenjo)

228.            Topographic effects by the Stokes-Helmert method of geoid determination. In H. Juergenson and N. Morozova (Eds.): Proc. Joint Baltic and Nordic Geoid meeting, Tallinn, Estonia, 16-19 November, 2000, p. 39. Tartu, 2004. (Invited paper, abstract only.)

229.            A local least-squares modification of Stokes’ formula. Stud Geophys Geod 49(2005):23-30

230.            New views of the spherical Bouguer gravity anomaly, Geophys. J. Int. 159: 460-472. (P Vanicek, R Tenzer, LE Sjöberg, Z Martinec, WE Featherstone)

231.            A discussion on the approximations made in the practical implementation of the remove-compute-restore technique in regional geoid modelling. J Geod 78(2005): 645-653

232.            Surface Deformation Patterns Analysis Using 3D Finite Elements Method: A case study in Skåne area, Sweden,  J. Geodynamics, (39)4( 2005):403-412. (R Kiamehr and L E Sjöberg)

233.            Comparison of the qualities of recent global and local gravimetric geoid models. Stud. Geod., 49(2005): 289-304 (R Kiamehr and L E Sjöberg)

234. Determination of the optimal diameter for spherical targets used in 3D laser scanningSurv. Rev., 38(2005), 297: 243-253 (Y Reshetyuk, M Horemuž and L E Sjöberg)

235. Effect of the SRTM global DEM on the determination of a high-resolution geoid model: a case study in Iran, J. Geodesy, 79(9)(2005):540-551. (Kiamehr, R., and Sjöberg, L.E.)

236. Comparison of the qualities of recent global and local gravimetric geoid models in Iran, J. Studia Geophysica et Geodaetica, Volume 49(2005): 289-304. (Kiamehr, R. and Sjöberg, L.E.)

237. Determination of the optimal diameter for spherical targets used in 3D laser scanningSurv. Rev., 38, 297 (2005): 243-253. (Y Reshetyuk, M Horemuz and L E Sjöberg)

238. New Solutions to the Direct and Indirect Geodetic Problems on the Ellipsoid, Zeitschrift für Geodäsie, Geoinformation und Landmanagement (zfv), 2006(1):36

239. Sjöberg L.E. (2006) The Effects of Stokes’s Formula for an Ellipsoidal Layering of the Earth’s Atmosphere, J. Geodesy, 79(12): 675 - 681

240. Progress in the Determination of a Gravimetric Quasigeoid Model over Sweden, Nordiska Kommissionen för Geodesi (NKG) General Assembly, May 29 to June 2 (2006), Copenhagen, Denmark (Ågren J., Kiamehr R. and Sjöberg L.E.)

241. From Normal Height to Orthometric Height and From Quasigeoid to Geoid, Nordiska Kommissionen för Geodesi (NKG) General Assembly, May 29 to June 2, Copenhagen, Denmark

242. A refined conversion from normal height to orthometric height, J. Studia Geophysica et Geodaetica,  (50/4)(2006): 595-606.

243. The topographic bias by analytical continuation in physical, J Geod, DOI: 10.1007/s00190-006-0112-2, (2006).

244. A new technique to determine geoid and orthometric heights from satellite positioning and geopotential numbers, DOI: 10.1007/s00190-006-0057-5 (2006)

 

Lecture notes, compendia

1.                  Fysikalisk geodesi, Department of Geodesy, Stockholm, 1986. (71 pages)

2.                  Grunderna till allmän matriskalkyl, stokastiska processer och Wiener Hopf prediktion. Department of Geodesy, Stockholm, 1987. (36 pages)

3.                  Ellipsoidal Geodesy, Department of Geodesy, Stockholm, Trita-Geod. 2008, March 1990.

4.                  Physical Geodesy, Department of Geodesy, Stockholm, Trita-Geod. 2009, October 1990.

5.                  General Matrix Calculus and Prediction Theory, Department of Geodesy, Stockholm, Trita-Geod. 2010, 1990.

6.                  Lecture notes on General Matrix Calculus, Adjustment and Variance-Covariance Component Estimation. Department of Geodesy, Stockholm, Trita- Geod. 2011, September 1991 (60 pp).

7.                  Positionsbestämning med GPS. Division of Geodesy, KTH, Stockholm, 1998.

8.                  Positionsbestämning med GPS, del 2, KTH, Stockholm, 2000

9.                  Geodetiska satellitmetoder, KTH, Stockholm, 2001

10.               Theory of Satellite Geodesy, KTH, Stockholm, 2005

 

Others:

1.                  Rapport från IUGG:s möte i Hamburg 1983. Note in Svensk Lantmäteritidskrift, 1984, nr 2, pp. 146 147.

2.                  Från landhöjning till marin geodesi - en information om forskning i geodesi vid KTH. Föredrag vid Kartdagar i Stockholm 12-14 maj 1993.

 Updated: 2006-11-15   Sjoberg)