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Associate Director
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, sea level change, 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
Honors & Awards: 
Fellow of the American Geophysical Union
Fellow of the International Association of Geodesy
Hasselblad Visiting Professor (Affilierad Professor), Onsala Space Observatory, Calmers University of Technology

Referenced in the Following News Items:

Selected Publications:

Causes of accelerating sea level on the East Coast of North America Davis, J. L.; Vinogradova, N. T. Geophys. Res. Lett. Volume: 44 p.: 5133-5141 (2017) 10.1002/2017GL072845
Tidal tomography constrains Earth's deep-mantle buoyancy Lau, H.C.P.; Mitrovica, J.X.; Davis, J.L.; Tromp, J., Yang, H.Y.; Al-Attar, D. Nature Volume: 551 p.: 321-326 (2017) 10.1038/nature24452
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
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)