Sciences and Exploration Directorate

Richard D. Ray



Org Code: 61A

Mail Code: 61A
Greenbelt, MD 20771

Employer: NASA


  • 2018 NASA Exceptional Scientific Achievement Medal
  • 2009 Fellow, American Geophysical Union
  • 2008 Dr. Nat. h.c., Universität Hamburg
  • 2007 Suomi Award, American Meteorological Society
  • 2007 Fellow, American Meteorological Society
  • 2006 Bowie Lecturer, American Geophysical Union



Ray, R. D., M. J. Widlansky, A. S. Genz, and P. R. Thompson. 2023. Offsets in tide-gauge reference levels detected by satellite altimetry: ten case studies Journal of Geodesy 97 (12): 110 [10.1007/s00190-023-01800-7]

Zaron, E. D., and R. D. Ray. 2023. Clarifying the distinction between steric and baroclinic sea surface height Journal of Physical Oceanography 53 (11): 2591-2596 [10.1175/jpo-d-23-0073.1]

Morrow, R., L.-L. Fu, M.-H. Rio, et al. R. Ray, P. Prandi, P.-Y. Le Traon, and J. Benveniste. 2023. Ocean circulation from space Surveys in Geophysics 44 1243–1286 [10.1007/s10712-023-09778-9]

Ray, R. D., J.-P. Boy, S. Y. Erofeeva, and G. D. Egbert. 2023. Terdiurnal radiational tides Journal of Physical Oceanography 53 1139-1150 [10.1175/jpo-d-22-0175.1]

Schindelegger, M., D. P. Kotzian, R. D. Ray, J. A. Green, and S. Stolzenberger. 2022. Interannual changes in tidal conversion modulate M2 amplitudes in the Gulf of Maine Geophysical Research Letters 49 (24): [10.1029/2022gl101671]

Huang, S. A., J. M. Sauber, and R. Ray. 2022. Mapping Vertical Land Motion in Challenging Terrain: Six‐Year Trends on Tutuila Island, American Samoa, With PS‐InSAR, GPS, Tide Gauge, and Satellite Altimetry Data Geophysical Research Letters 49 (23): [10.1029/2022gl101363]

Ray, R. D., M. A. Merrifield, and P. L. Woodworth. 2022. Wave setup at the Minamitorishima tide gauge Journal of Oceanography 79 13-26 [10.1007/s10872-022-00659-0]

Ray, R. D. 2022. Technical note: On seasonal variability of the M2 tide Ocean Science 18 (4): 1073-1079 [10.5194/os-18-1073-2022]

Wang, J., L.-L. Fu, B. Haines, et al. M. Lankhorst, A. J. Lucas, J. T. Farrar, U. Send, C. Meinig, O. Schofield, R. Ray, M. Archer, D. Aragon, S. Bigorre, Y. Chao, J. Kerfoot, R. Pinkel, D. Sandwell, and S. Stalin. 2022. On the development of SWOT in-situ calibration/validation for short-wavelength ocean topography Journal of Atmospheric and Oceanic Technology 39 (5): 595-617 [10.1175/jtech-d-21-0039.1]

Susanto, R. D., and R. D. Ray. 2022. Seasonal and interannual variability of tidal mixing signatures in Indonesian seas from high-resolution sea surface temperature Remote Sensing 14 (8): 1934 [10.3390/rs14081934]

Ghobadi‐Far, K., S. Han, C. M. McCullough, et al. D. N. Wiese, R. D. Ray, J. M. Sauber, L. Shihora, and H. Dobslaw. 2022. Along‐Orbit Analysis of GRACE Follow‐On Inter‐Satellite Laser Ranging Measurements for Sub‐Monthly Surface Mass Variations Journal of Geophysical Research: Solid Earth 127 e2021JB022983 [10.1029/2021jb022983]

Ray, R. D., J.-P. Boy, B. K. Arbic, et al. G. D. Egbert, S. Y. Erofeeva, L. Petrov, and J. F. Shriver. 2021. The problematic Ψ1 ocean tide Geophysical Journal International 227 (2): 1181-1192 [10.1093/gji/ggab263]

Ray, R. D., B. D. Loomis, and V. Zlotnicki. 2021. The mean seasonal cycle in relative sea level from satellite altimetry and gravimetry Journal of Geodesy 95 80 [10.1007/s00190-021-01529-1]

Woodworth, P. L., J. A. Green, R. D. Ray, and J. M. Huthnance. 2021. Developments in the science and history of tides Ocean Science 17 (3): 809-818 [10.5194/os-17-809-2021]

Ray, R. D., K. M. Larson, and B. J. Haines. 2021. New determinations of tides on the north-western Ross Ice Shelf Antarctic Science 33 (1): 89-102 [10.1017/s0954102020000498]

Carrère, L., B. K. Arbic, B. Dushaw, et al. G. Egbert, S. Erofeeva, F. Lyard, R. D. Ray, C. Ubelmann, E. Zaron, Z. Zhao, J. F. Shriver, M. C. Buijsman, and N. Picot. 2021. Accuracy assessment of global internal-tide models using satellite altimetry Ocean Science 17 (1): 147-180 [10.5194/os-17-147-2021]

Han, S., K. Ghobadi‐Far, R. D. Ray, and T. Papanikolaou. 2020. Tidal geopotential dependence on Earth ellipticity and seawater density and Its detection with the GRACE Follow‐On laser ranging interferometer Journal of Geophysical Research: Oceans 125 (12): 1-16 [10.1029/2020jc016774]

Ray, R. D. 2020. First global observations of third-degree ocean tides Science Advances 6 (48): eabd4744 [10.1126/sciadv.abd4744]

Ray, R. D. 2020. Daily harmonics of ionospheric total electron content from satellite altimetry Journal of Atmospheric and Solar-Terrestrial Physics 209 105423 [10.1016/j.jastp.2020.105423]

Baranes, H. E., J. D. Woodruff, S. A. Talke, et al. R. E. Kopp, R. D. Ray, and R. M. DeConto. 2020. Tidally driven interannual variation in extreme sea level frequencies in the Gulf of Maine Journal of Geophysical Research: Oceans 125 (10): [10.1029/2020jc016291]

Woodworth, P. L., A. Melet, M. Marcos, et al. R. D. Ray, G. Wöppelmann, Y. N. Sasaki, M. Cirano, A. Hibbert, J. M. Huthnance, S. Monserrat, and M. A. Merrifield. 2019. Forcing factors affecting sea level changes at the coast Surveys in Geophysics 40 (6): 1351-1397 [10.1007/s10712-019-09531-1]

Ray, R. D., and S. A. Talke. 2019. Nineteenth‐century tides in the Gulf of Maine and implications for secular trends Journal of Geophysical Research: Oceans 124 7046-7067 [10.1029/2019jc015277]

Ray, R. D., and M. A. Merrifield. 2019. The semiannual and 4.4‐year modulations of extreme high tides Journal of Geophysical Research: Oceans 124 5907-5922 [10.1029/2019jc015061]

Ray, R. D., B. D. Loomis, S. B. Luthcke, and K. E. Rachlin. 2019. Tests of ocean-tide models by analysis of satellite-to-satellite range measurements: An update Geophysical Journal International 217 (2): 1174-1178 [10.1093/gji/ggz062]

Ray, R. D., and R. D. Susanto. 2019. A fortnightly atmospheric ‘tide’ at Bali caused by oceanic tidal mixing in Lombok Strait Geoscience Letters 6 (6): 1-9 [10.1186/s40562-019-0135-1]

Han, S., J. Sauber, F. Pollitz, and R. Ray. 2019. Sea level rise in the Samoan Islands escalated by viscoelastic relaxation after the 2009 Samoa‐Tonga earthquake Journal of Geophysical Research: Solid Earth 124 (4): 4142-4156 [10.1029/2018jb017110]

Zaron, E. D., and R. D. Ray. 2018. Aliased tidal variability in mesoscale sea level anomaly maps Journal of Atmospheric and Oceanic Technology 35 (12): 2421-2435 [10.1175/jtech-d-18-0089.1]

Burgos, A. G., B. D. Hamlington, P. R. Thompson, and R. D. Ray. 2018. Future nuisance flooding in Norfolk, VA, from astronomical tides and annual to decadal internal climate variability Geophysical Research Letters 45 (22): 12,432-12,439 [10.1029/2018gl079572]

Beckley, B. D., P. S. Callahan, D. W. Hancock, G. T. Mitchum, and R. D. Ray. 2017. On the ‘cal mode’ correction to TOPEX satellite altimetry and its effect on the global mean sea-level time series Journal of Geophysical Research: Oceans 122 (11): 8371-8384 [10.1002/2017jc013090]

Ray, R. D., and G. D. Egbert. 2017. Tides and satellite altimetry Satellite Altimetry over Oceans and Land Surfaces (Chapter 13): 427-458

Zaron, E. D., and R. D. Ray. 2017. Using an altimeter-derived internal tide model to remove tides from in situ data Geophysical Research Letters 44 (9): 4241-4245 [10.1002/2017gl072950]

Egbert, G. D., and R. D. Ray. 2017. 'Tidal prediction' in The Sea: The Science of Ocean Prediction Journal of Marine Research 75 (3): 189-237 [10.1357/002224017821836761]

Cartwright, D. E., P. L. Woodworth, and R. D. Ray. 2017. Manuel Johnson's tide record at St. Helena History of Geo- and Space Sciences 8 (1): 9-19

Ray, R. D. 2017. On tidal inference in the diurnal band Journal of Atmospheric and Oceanic Technology 34 (2): 437-446 [10.1175/jtech-d-16-0142.1]

Larson, K. M., R. D. Ray, and S. D. Williams. 2017. A 10-year comparison of water levels measured with a geodetic GPS receiver versus a conventional tide gauge Journal of Atmospheric and Oceanic Technology 34 (2): 295-307 [10.1175/jtech-d-16-0101.1]

Ray, R. D., and G. Foster. 2016. Future nuisance flooding at Boston caused by astronomical tides alone Earth's Future 4 (12): 578-587 [10.1002/2016ef000423]

Ray, R. D., and R. D. Susanto. 2016. Tidal mixing signatures in the Indonesian seas from high-resolution sea surface temperature data Geophysical Research Letters 43 8115-8123 [10.1002/2016gl069485]

Hamlington, B. D., P. Thompson, W. C. Hammond, G. Blewitt, and R. D. Ray. 2016. Assessing the impact of vertical land motion on twentieth century global mean sea level estimates Journal of Geophysical Research: Oceans 121 4980-4993 [10.1002/2016jc011747]

Ray, R. D. 2016. On measurements of the tide at Churchill, Hudson Bay Atmosphere-Ocean 54 108-116 [10.1080/07055900.2016.1139540]

Ray, R. D., and E. D. Zaron. 2016. M2 internal tides and their observed wavenumber spectra from satellite altimetry* Journal of Physical Oceanography 46 (1): 3-22 [10.1175/jpo-d-15-0065.1]

Schindelegger, M., and R. D. Ray. 2014. Surface pressure tide climatologies deduced from a quality-controlled network of barometric observations* Monthly Weather Review 142 (12): 4872-4889 [10.1175/mwr-d-14-00217.1]

Stammer, D., R. D. Ray, O. B. Andersen, et al. B. K. Arbic, W. Bosch, L. Carrere, F. G. Lemoine, S. B. Luthcke, and Others. 2014. Accuracy assessment of global barotropic ocean tide models Reviews of Geophysics 52 243-282 [10.1002/2014RG000450]

Desai, S. D., and R. D. Ray. 2014. Consideration of tidal geocenter variations for satellite altimeter observations of ocean tides Geophysical Research Letters 41 2454-2459 [10.1002/2014GL059614]

Ray, R. D., and S. Y. Erofeeva. 2014. Long-period tidal variations in the length of day Journal of Geophysical Research 119 1498-1509 [10.1002/2013JB010830]

Ray, R. D. 2013. Precise comparisons of bottom-pressure and altimetric ocean tides Journal of Geophysical Research 118 4570-4584 [10.1002/jgrc.20336]

Larson, K. M., R. D. Ray, F. Nievinski, and J. Freymueller. 2013. The accidental tide gauge: A case study of GPS reflections from Kachemak Bay, Alaska IEEE Geoscience and Remote Sensing Letters 10 1200-1204 [10.1109/LGRS.2012.2236075]

Ray, R. D., S. B. Luthcke, and T. van Dam. 2013. Monthly crustal loading corrections for satellite altimetry Journal of Atmospheric and Oceanic Technology 30 999-1005 [10.1175/JTECH-D-12-00152.1]

Ray, R. D., and G. D. Egbert. 2012. Fortnightly Earth rotation, ocean tides and mantle anelasticity Geophysical Journal International 189 (1): 400-413 [10.1111/j.1365-246X.2012.05351.x]

Ray, R. D., and B. D. Beckley. 2012. Calibration of ocean wave measurements by the TOPEX, Jason-1, and Jason-2 satellites Marine Geodesy 35 (SI): 238-257 [10.1080/01490419.2012.718611]

Ray, R. D., and E. Zaron. 2011. Non-stationary internal tides observed with satellite altimetry Geophysical Research Letters 38 L17609 [10.1029/2011GL048617]

Ray, R. D., G. D. Egbert, and S. Erofeeva. 2011. Tide predictions in shelf and coastal waters: status and prospects Coastal Altimetry (Eds S Vignudelli et al), Springer-Verlag 191-216

Ray, R. D., and B. Douglas. 2011. Experiments in reconstructing twentieth century sea levels Progress in Oceanography 91 496-515 [10.1016/j.pocean.2011.07.021]

Ray, R. D., and D. A. Byrne. 2010. Bottom pressure tides along a line in the southeast Atlantic Ocean and comparisons with satellite altimetry Ocean Dynamics 60 (5): 1167-1176 [10.1007/s10236-010-0316-0]

Han, S. C., R. D. Ray, and S. B. Luthcke. 2010. One centimeter-level observations of diurnal ocean tides from global monthly mean time-variable gravity fields Journal of Geodesy 84 715-729 [10.1007/s00190-010-0405-3]

Ray, R. D., B. D. Beckley, and F. G. Lemoine. 2010. Vertical crustal motion derived from satellite altimetry and tide gauges, and comparisons with DORIS measurements Adv. Space Res. 45 (12): 1510-1522 [10.1016/j.asr.2010.02.020]

Egbert, G., S. Erofeeva, and R. D. Ray. 2010. Assimilation of altimetry data for nonlinear shallow-water tides: Quarter-diurnal tides of the Northwest European Shelf Continental Shelf Research 30 (6): 668-679 [10.1016/j.csr.2009.10.011]

Beckley, B. D., N. P. Zelensky, S. A. Holmes, et al. F. G. Lemoine, R. D. Ray, G. Mitchum, S. Desai, and S. Brown. 2010. Assessment of the Jason-2 Extension to the TOPEX/Poseidon, Jason-1 Sea-Surface Height Time Series for Global Mean Sea Level Monitoring Marine Geodesy 33 447-471 [10.1080/01490419.2010.491029]

Ray, R. D., S. B. Luthcke, and J.-P. C. Boy. 2009. Qualitative comparisons of global ocean tide models by analysis of intersatellite ranging data Journal of Geophysical Research-Oceans 114 C09017 [10.1029/2009JC005362]

Ray, R. D. 2009. Secular changes in the solar semidiurnal tide of the western North Atlantic Ocean Geophysical Research Letters 36 L19601 [10.1029/2009GL040217]

Egbert, G., S. Erofeeva, S. Han, S. B. Luthcke, and R. D. Ray. 2009. Assimilation of GRACE tide solutions into a numerical hydrodynamic inverse model Geophysical Research Letters 36 L20609 [10.1029/2009GL040376]

Ray, R. 2008. A preliminary tidal analysis of Icesat laser altimetry: Southern Ross Ice Shelf Geophysical Research Letters 35 L02505 [10.1029/2007GL032125]

Beckley, B. D., F. G. Lemoine, S. B. Luthcke, R. D. Ray, and N. P. Zelensky. 2007. A reassessment of global and regional mean sea-level trends from TOPEX and Jason-1 altimetry based on revised reference frame and orbits Geophys. Res. Lett. 34 L14608 [10.1029/2007GL030002]

Ray, R. 2007. Tidal analysis experiments with sun-synchronous satellite altimeter data Journal of Geodesy 81 247-257 [10.1007/s00190-006-0105-1]

Ray, R. 2007. Propagation of the overtide M4 through the deep Atlantic Ocean Geophysical Research Letters 34 L21602 [10.1029/2007GL031618]

Ray, R. 2007. Decadal climate variability: Is there a tidal connection? Journal of Climate 20 3542-3560 [10.1175/JCLI4193.1]

Ray, R., and D. Cartwright. 2007. Times of peak astronomical tides Geophysical Journal International 168 (3): 999-1004 [10.1111/j.1365-246X.2006.03293.x]

Han, S. C., R. Ray, and S. Luthcke. 2007. Ocean tidal solutions in Antarctica from GRACE intersatellite tracking data Geophysical Research Letters 34 L21607 [10.1029/2007GL031540]

Luthcke, S. B., H. J. Zwally, W. Abdalati, et al. D. D. Rowlands, R. D. Ray, R. S. Nerem, F. G. Lemoine, J. J. McCarthy, and D. S. Chinn. 2006. Recent Greenland Ice Mass Loss by Drainage System from Satellite Gravity Observations Science 314 (5803): 1286-1289 [10.1126/science.1130776]

Andersen, O., G. Egbert, S. Erofeeva, and R. Ray. 2006. Mapping nonlinear shallow-water tides: a look at the past and future (In memory of C Le Provost) Ocean Dynamics 56 416-429 [10.1007/s10236-006-0060-7]

Ray, R., and S. Luthcke. 2006. Tide model errors and GRACE gravimetry: Towards a more realistic assessment Geophysical Journal International 167 1055-1059. [10.1111/j.1365-246X.2006.03229.x]

Benjamin, D., J. Wahr, R. Ray, G. Egbert, and S. Desai. 2006. Constraints on mantle anelasticity from geodetic observations, and implications for the J2 anomaly Geophysical Journal International 165 3-16 [10.1111/j.1365-246X.2006.02915.x]

Ray, R. 2006. Secular changes of the M2 tide in the Gulf of Maine Continental Shelf Research 26 422-427 [10.1016/j.csr.2005.12.005]

Ray, R., G. Egbert, and S. Erofeeva. 2005. A brief overview of tides in the Indonesian Seas Oceanography 18 74-79 [10.5670/oceanog.2005.07]

Ray, R., and S. Poulose. 2005. Terdiurnal surface-pressure oscillations over the continental United States Monthly Weather Review 133 2526-2534 [10.1175/MWR2988.1]

Ray, R., and G. Egbert. 2004. The global S1 tide Journal of Physical Oceanography 34 1922-1935 [10.1175/1520-0485(2004)034<1922:TGST>2.0.CO;2]

Egbert, G., R. Ray, and B. Bills. 2004. Numerical modeling of the global semidiurnal tide in the present day and in the Last Glacial Maximum Journal of Geophysical Research 109 C03003 [10.1029/2003JC001973]

Ray, R., D. Rowlands, and G. Egbert. 2003. Tidal models in a new era of satellite gravimetry Space Science Reviews 108 271-282 [10.1023/A:1026223308107]

Ray, R., and B. Beckley. 2003. Simultaneous ocean wave measurements by the Jason and Topex satellites, with buoy and model comparisons Marine Geodesy 26 367-382 [10.1080/714044527]

Ray, R., and R. Ponte. 2003. Barometric tides from ECMWF operational analyses Annales Geophysicae 21 1897-1910 [10.5194/angeo-21-1897-2003]

Egbert, G., and R. Ray. 2003. Semi-diurnal and diurnal tidal dissipation from Topex/Poseidon altimetry Geophysical Research Letters 30 (17): 1907 [10.1029/2003GL017676]

Rubincam, D., D. Rowlands, and R. Ray. 2002. Is asteroid 951 Gaspra in a resonant obliquity state with its spin increasing due to YORP? J Geophys Res 107 5065 [10.1029/2001JE001813]

Ponte, R., and R. Ray. 2002. Atmospheric pressure corrections in geodesy and oceanography: a strategy for handling air tides Geophysical Research Letters 29 (24): 2153 [10.1029/2002GL016340]

Rowlands, D. D., R. D. Ray, D. S. Chinn, and F. G. Lemoine. 2002. Short-arc analysis of intersatellite tracking data in a gravity mapping mission J. Geodesy 76 307-316 [10.1007/s00190-002-0255-8]

Ray, R., R. Eanes, G. Egbert, and N. Pavlis. 2001. Error spectrum for the global M2 ocean tide Geophysical Research Letters 28 21-24 [10.1029/2000GL011674]

Ray, R. 2001. Internal Tides in Encyclopedia of Ocean Sciences (Eds: J H Steele et al) 1327-1335 Academic Press

Ray, R. 2001. Resonant third-degree diurnal tides in the seas off Western Europe Journal of Physical Oceanography 31 3581-3586 [10.1175/1520-0485(2001)031<3581:RTDDTI>2.0.CO;2]

Ray, R. 2001. Comparisons of global analyses and station observations of the S2 barometric tide Journal of Atmospheric and Solar-Terrestrial Physics 63 1085-1097 [10.1016/S1364-6826(01)00018-9]

Ray, R., and D. Cartwright. 2001. Estimates of internal tide energy fluxes from Topex/Poseidon altimetry: Central North Pacific Geophysical Research Letters 28 1259-1263 [10.1029/2000GL012447]

Egbert, G., and R. Ray. 2001. Estimates of M2 tidal energy dissipation from Topex/Poseidon altimeter data Journal of Geophysical Research 106 22475-22502 [10.1029/2000JC000699]

Ray, R., R. Eanes, and F. Lemoine. 2001. Constraints on energy dissipation in the earth's body tide from satellite tracking and altimetry Geophysical Journal International 144 471-480 [10.1046/j.1365-246x.2001.00356.x]

Ray, R. 2001. Inversion of oceanic tidal currents from measured elevations Journal of Marine Systems 28 1-18 [10.1016/S0924-7963(00)00081-6]

Chao, B., V. Dehant, R. Gross, et al. R. Ray, D. Salstein, M. Watkins, and C. Wilson. 2000. Space geodesy monitors mass transports in global geophysical fluids Eos Transactions of the American Geophysical Union 81 247-250

Bills, B., and R. Ray. 2000. Galilean satellite obliquities Journal of Geophysical Research 105 29277-29282 [10.1029/2000JE001248]

Egbert, G., and R. Ray. 2000. Significant dissipation of tidal energy in the deep ocean inferred from satellite altimeter data Nature 405 775-778 [10.1038/35015531]

Ray, R., B. Bills, and B. Chao. 1999. Lunar and solar torques on the oceanic tides Journal of Geophysical Research 104 (B8): 17653-17659 [10.1029/1999JB900165]

Ray, R. 1998. Spectral analysis of highly aliased sea-level signals Journal of Geophysical Research 103 (C11)24991-25003 [10.1080/01490419809388134]

Ray, R. 1998. Diurnal oscillations in atmospheric pressure at twenty-five small oceanic islands Geophysical Research Letters 25 3851-3854 [10.1029/1998GL900039]

Ray, R. 1998. Ocean self-attraction and loading in numerical tidal models Marine Geodesy 21 181-192 [10.1080/01490419809388134]

Shum, C. K., P. L. Woodworth, O. B. Andersen, et al. O. Francis, R. D. Ray, M. G. Schlax, D. Stammer, and C. C. Tierney. 1997. Accuracy assessment of recent ocean tide models Journal of Geophysical Research 102 (C11) 25173-25194 [10.1029/97JC00445]

Ray, R., and G. Egbert. 1997. The flux of tidal energy across latitude 60°S Geophysical Research Letters 24 543-546 [10.1029/97GL50316]

Ray, R., B. Chao, Z. Kowalik, and A. Proshutinsky. 1997. Angular momentum of Arctic Ocean tides Journal of Geodesy 71 344-350 [10.1007/s001900050102]

Ray, R., R. Eanes, and B. Chao. 1996. Detection of tidal dissipation in the solid earth by satellite tracking and altimetry Nature 381 595-597 [10.1038/381595a0]

Ray, R., and G. Mitchum. 1996. Surface manifestation of internal tides generated near Hawaii Geophysical Research Letters 23 2101-2104 [10.1029/96GL02050]

Chao, B., R. Ray, J. Gipson, and G. Egbert. 1996. Diurnal/semidiurnal polar motion excited by oceanic tidal angular momentum Journal of Geophysical Research 101 (B9): 20,151-20,163 [10.1029/96JB01649]

Chao, B., R. Ray, and G. Egbert. 1995. Diurnal/semidiurnal oceanic tidal angular momentum: Topex/Poseidon models in comparison with Earth's rotation rate Geophysical Research Letters 22 1993-1996 [10.1029/95GL01788]

Ray, R., S. Bettadpur, R. Eanes, and E. Schrama. 1995. Geometrical determination of the Love number h2 at four tidal frequencies Geophysical Research Letters 22 2175-2178 [10.1029/95GL01809]

Ray, R. 1995. Least squares solution of a linear, bordered, block-diagonal system of equations ACM Transactions on Mathematical Software 21 20-25 [10.1145/200979.200987]

Molines, J. M., C. Le Provost, F. Lyard, et al. R. Ray, C. Shum, and R. Eanes. 1994. Tidal corrections in the Topex/Poseidon geophysical data records Journal of Geophysical Research 99 24749-24760 [10.1029/94JC01959]

Ray, R., D. Steinberg, B. Chao, and D. Cartwright. 1994. Diurnal and semidiurnal variations in the Earth's rotation rate induced by oceanic tides Science 264 830-832 [10.1126/science.264.5160.830]

Ray, R. 1994. Tidal energy dissipation: observations from astronomy, geodesy, and oceanography in The Oceans (Ed: S Majumdar et al) Pennsylvania Academy of Science Easton 171-185

Cartwright, D., and R. Ray. 1994. On the radiational anomaly in the global ocean tide, with reference to satellite altimetry Oceanologica Acta 17 453-459

Ray, R. D., and D. E. Cartwright. 1994. Satellite altimeter observations of the Mf and Mm ocean tides, with simultaneous orbit corrections in Gravimetry and Space Techniques Applied to Geodynamics and Ocean Dynamics, Volume 82 69-78 [10.1029/GM082]

Schrama, E., and R. Ray. 1994. A preliminary tidal analysis of Topex/Poseidon altimetry Journal of Geophysical Research 99 24799-24808 [10.1029/94JC01432]

Ray, R. 1993. Global ocean tide models on the eve of Topex/Poseidon IEEE Transactions on Geoscience and Remote Sensing 31 355-364 [10.1109/36.214911]

Sanchez, B., R. Ray, and D. Cartwright. 1992. A Proudman-function expansion of the M2 tide in the Mediterranean Sea from satellite altimetry and coastal gauges Oceanologica Acta 15 325-337

Ray, R., and R. Hansen. 1992. Comment on A computer program to perform the upward continuation of potential field data between arbitrary surfaces Computers and Geosciences 18 619-623 [10.1016/0098-3004(92)90099-D]

Ray, R., C. Koblinsky, and B. Beckley. 1991. On the effectiveness of Geosat altimeter corrections International Journal of Remote Sensing 12 1979-1984 [10.1080/01431169108955231]

Ray, R., and C. Koblinsky. 1991. On the sea-state bias of the Geosat altimeter Journal of Atmospheric and Oceanic Technology 8 397-408 [10.1175/1520-0426(1991)008<0397:OTSSBO>2.0.CO;2]

Cartwright, D., and R. Ray. 1991. Energetics of global ocean tides from Geosat altimetry Journal of Geophysical Research 96 16897-16912 [10.1029/91JC01059]

Cartwright, D., and R. Ray. 1990. Observations of the Mf ocean tide from Geosat altimetry Geophysical Research Letters 17 619-622 [10.1029/GL017i005p00619]

Cartwright, D., and R. Ray. 1990. Oceanic tides from Geosat altimetry Journal of Geophysical Research 95 3069-3090 [10.1029/JC095iC03p0306]

Cartwright, D., and R. D. Ray. 1989. New estimates of oceanic tidal energy dissipation from satellite altimetry Geophysical Research Letters 16 73-76 [10.1029/GL016i001p00073]

Ray, R. 1987. On an elementary application of graph theory to a magnetic survey adjustment system Computers and Geosciences 13 (3): 287-292 [10.1016/0098-3004(87)90046-X]

Ray, R. 1985. Continuation by integral equation methods: a note on surface integration over a double layer Pure and Applied Geophysics 122 (5): 725-730 [10.1007/BF01101877]

Ray, R. 1985. Correction of systematic error in magnetic surveys: an application of ridge regession and sparse matrix theory Geophysics 50 1721-1731 [10.1190/1.1441862]

Soller, D., R. Ray, and R. Brown. 1982. A new global crustal thickness map Tectonics 1 125-149 [10.1029/TC001i002p00125]


Ray, R. D. 2018. Interactive comment on "Tidal variability in the Hong Kong region" by Devlin et al Ocean Science Discussions [10.5194/os-2018-62-SC1]

Ray, R. D. 1999. A global ocean tide model from Topex/Poseidon altimetry: GOT992 NASA/TM-1999-209478 (66pp)

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