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Lamont Research Professor
Lamont-Doherty Earth Observatory
Seismology Geology and Tectonophysics
213 Seismology
61 Route 9W - PO Box 1000
(845) 365-8425
(845) 365-8150


Positional and physical geodesy using space-based and satellite techniques.  Applications of space geodesy to studies of geophysics, climate, ice sheets, glacier dynamics and kinematics, and the atmosphere. Development and geophysical applications of permanent GPS networks.  Research and development of technology aimed at the improvement of the accuracy of satellite geodetic systems.

List of degrees from highest to lowest:
Massachusetts Institute of Technology
Michigan State University

Selected Publications:

Spatial and temporal melt variability at Helheim Glacier, East Greenland, and its effect on ice dynamics Andersen, M. L.; Larsen, T.B; Nettles, M.; Elósegui, P.; van As, D.; Hamilton, G. S.; Stearns, L. A.; Davis, J. L.; Ahlstrøm, A. P.; de Juan, J.; Ekström, G.; Stenseng, L.; Khan, S. A.; Forsberg, R.; Dahl-Jensen, D. J. Geophys. Res. Volume: 115 (2010) 10.1029/2010JF001760
Combination of geodetic observations and models for glacial isostatic adjustment fields in Fennoscandia Hill, E. M.; Davis, J. L.; Tamisiea, M. E.; Lidberg, M J. Geophys. Res. Volume: 115 (2010) 10.1029/2009JB006967
Geodetic observations and global reference frame contributions to understanding sea-level rise and variability Blewitt, G.; Altamimi, Z.; Davis, J. L.; Gross, R.; Kuo, C.-Y. ; Lemoine, F. G.; Moore, A. W.; Neilan, R. E.; Plag, H.-P.; Rothacher, M.; Shum, C. K.; Sideris, M. G.; Schöne, T.; Tregoning, P.; Zerbini, S. Understanding Sea-Level Rise and Variability p.: 428 (2010)
Detecting large-scale intracontinental slow-slip events (SSEs) using geodograms Wernicke, B. P.; Davis, J. L. Seismol. Res. Lett. Volume: 81 p.: 694-698 (2010) 10.1785/gssrl.81.5.694
Sudden increase in tidal response linked to calving and acceleration at a large Greenland outlet glacier de Juan, J.; Elosegui, P.; Nettles, M.; Larsen, T. B.; Davis, J. L.; Hamilton, G. S.; Stearns, L. A.; Andersen, M. L.; Ekström, G.; Ahlstrøm, A. P.; Stenseng, L.; Khan, S. A.; Forsberg, R. Geophys. Res. Lett. Volume: 37 (2010) 10.1029/2010GL043289
Precise Geodetic Infrastructure: National Requirements for a Shared Resource Minster, J. B.; Altamimi, Z.; Blewitt, G.; Carter, W. E.; Cazenave, A.; Dragert, H.; Herring, T. A.; Larson, K. M.; Ries, J. C.; Sandwell, D. T.; Wahr, J. M.; Davis, J. L. p.: 156 (2010)