Scott B. Luthcke has over 25 years of experience in space geodesy, satellite measurement modeling and remote sensing for Earth and Planetary science applications. He has numerous publications ranging from 1 cm precision orbit determination, to spaceborne laser altimeter calibration, to ice sheet and glacier mass balance from satellite gravimetry. Scott has been published in SCIENCE and has appeared on the Discovery Channel in the Naked Science special Earth from Above. He has been involved in the development, operations and science of numerous missions including: TOPEX/Poseidon, Jason-1&2, Shuttle Laser Altimeter, ICESat-1&2, DESDynI, Operation Ice Bridge, GRACE, and GEDI. Scott B. Luthcke is the recipient of the following notable individual awards: The 2010 Robert H. Goddard Award in Engineering Exceptional Achievement, The 2007 NASA Earth Science Exceptional Achievement Award, The 2006 Robert H. Goddard Award in Science Exceptional Achievement, the 2010 NASA Exceptional Achievement Medal in Science, the 2021 NASA Outstanding Leadership Medal, and most notably the 2014 William Nordberg Memorial Award for Earth Science Achievements.
Scott B Luthcke
(RSCH AST, SOLID EARTH GEOPHYSICAL STD)
| Email: | scott.b.luthcke@nasa.gov |
| Phone: | 301.614.6112 |
| Org Code: | 61A |
| Address: |
NASA/GSFC Mail Code 61A Greenbelt, MD 20771 |
| Employer: |
Brief Bio
Current Projects
GEDI Science Team Co-Investigator and Science Operations Center Lead
Remote Sensing
Global Ecosystems Dynamics Investigation
ICESat-II POD/PPD/Geolocation Lead
Cryosphere / Earth's Ice Cover
Ice, Cloud, and Land Elevation Satellite II
ICESat-2 Constraint Analysis and Monitoring System Lead
Cryosphere / Earth's Ice Cover
Ice Cloud and Land Elevation Satellite II
GRACE and GRACE-FO Science Team Member
Geophysics
Gravity Recovery and Climate Experiment (GRACE) and GRACE Folow On (GRACE-FO)
Positions/Employment
Research Geophysicist
NASA Goddard Space Flight Center - Greenbelt, MD
May 2022 - Present
Chief, Geodesy and Geophysics Laboratory
NASA Goddard Space Flight Center - Greenbelt, MD
September 2016 - April 2022
Associate Chief, Planetary Geodynamics Laboratory
NASA Goddard Space Flight Center - Greenbelt, MD
March 2013 - 2014
Research Geophysicist
NASA Goddard Space Flight Center - Greenbelt, MD
November 2000 - August 2016
Principal Scientist and Principal Systems Engineer
Raytheon ITSS formerly Hughes STX and formerly STX - Lanham, MD
1989 - 2000
Also, held the following positions: Senior Scientist and Programmer Analyst.
Education
1994 - M.S. Applied Physics, The Johns Hopkins University, Baltimore, MD
Professional Societies
American Geophysical Union
2000 - Present
Professional Service
- GEDI Science team member and Science Operations Center Lead
- ICESat-2 POD/PPD/Geolocation lead
- ICESat-2 Constraint Analysis and Monitoring System (CAMS) Lead
- GRACE & GRACE-FO Science Team member
- NASA Sea Level Change Team ( N-SLCT)
- International Ice Mass Balance Intercomparison Exercise team member
- Operation Ice Bridge Science Team member
- DESDynl-Lidar Deputy Project Scientist
- ICESat Science Team member
- LIVEx Mission Definition Team member
- NASA GSFC Leadership Alchemy- class of 2008
- Sea Level Inter-Disciplinary Science ( IDS) investigator
- Guest editor, Special Issue on Laser Altimetry, Journal of Geodynamics, Vol. 34, Oct. /Nov., 2002.
- NASA Vegetation Canopy Lidar (VCL) co-investigator
- Shuttle Laser Altimeter Team member
- TOPEX/ Poseidon Precision Orbit Determination Team member
- American Geophysical Union member
Awards
Selected Individual Awards:
- 2021 NASA Outstanding Leadership Medal
- 2014 William Nordberg Memorial Award for Earth Science Achievements
- 2010 GSFC Robert H. Goddard Exceptional Engineering Achievement
- 2010 NASA Exceptional Achievement Medal
- 2007 NASA Earth Science Exceptional Achievement
- 2006 Robert H. Goddard Exceptional Science Achievement
Other Professional Information
NASA GSFC Leadership Alchemy – class of 2008
Publications
Refereed
2023. "Evaluating and mitigating the impact of systematic geolocation error on canopy height measurement performance of GEDI." Remote Sensing of Environment 291 113571 [10.1016/j.rse.2023.113571] [Journal Article/Letter]
2022. "GEDI launches a new era of biomass inference from space." Environmental Research Letters 17 (9): 095001 [10.1088/1748-9326/ac8694] [Journal Article/Letter]
2022. "The Mass Change Designated Observable Study: Overview and Results." Earth and Space Science [10.1029/2022ea002311] [Journal Article/Letter]
2022. "Aboveground biomass density models for NASA’s Global Ecosystem Dynamics Investigation (GEDI) lidar mission." Remote Sensing of Environment 270 112845 [10.1016/j.rse.2021.112845] [Journal Article/Letter]
2021. "ICESat‐2 Constraint Analysis and Monitoring System (CAMS)." Earth and Space Science 8 (5): [10.1029/2020ea001497] [Journal Article/Letter]
2021. "Mass balance of the Antarctic ice sheet 1992–2016: reconciling results from GRACE gravimetry with ICESat, ERS1/2 and Envisat altimetry." Journal of Glaciology 67 (263): 533-559 [10.1017/jog.2021.8] [Journal Article/Letter]
2021. "ICESat‐2 Pointing Calibration and Geolocation Performance." Earth and Space Science 8 (3): [10.1029/2020ea001494] [Journal Article/Letter]
2021. "Performance of ICESat‐2 Precision Pointing Determination." Earth and Space Science e2020EA001478 [Full Text] [10.1029/2020EA001478] [Journal Article/Letter]
2021. "ICESat‐2 Precision Orbit Determination." Earth and Space Science 8 (4): [10.1029/2020ea001496] [Journal Article/Letter]
2021. "Fusing simulated GEDI, ICESat-2 and NISAR data for regional aboveground biomass mapping." Remote Sensing of Environment 253 112234 [10.1016/j.rse.2020.112234] [Journal Article/Letter]
2020. "Comparison of Vertical Surface Deformation Estimates Derived from Space‐based Gravimetry, Ground‐based GPS, and Model‐based Hydrologic Loading over Snow‐dominated Watersheds in the United States." Journal of Geophysical Research: Solid Earth 125 (e2020JB019432): [Full Text] [10.1029/2020jb019432] [Journal Article/Letter]
2020. "Biomass estimation from simulated GEDI, ICESat-2 and NISAR across environmental gradients in Sonoma County, California." Remote Sensing of Environment 242 111779 [10.1016/j.rse.2020.111779] [Journal Article/Letter]
2020. "Mass balance of the Greenland Ice Sheet from 1992 to 2018." Nature 579 233-239 [10.1038/s41586-019-1855-2] [Journal Article/Letter]
2020. "The Global Ecosystem Dynamics Investigation: High-resolution laser ranging of the Earth’s forests and topography." Science of Remote Sensing 1 100002 [10.1016/j.srs.2020.100002] [Journal Article/Letter]
2020. "Replacing GRACE/GRACE‐FO C30 with satellite laser ranging: Impacts on Antarctic Ice Sheet mass change." Geophysical Research Letters 47 (3): e2019GL085488 [10.1029/2019gl085488] [Journal Article/Letter]
2019. "The Ice, Cloud, and Land Elevation Satellite – 2 mission: A global geolocated photon product derived from the Advanced Topographic Laser Altimeter System." Remote Sensing of Environment 233 111325 [10.1016/j.rse.2019.111325] [Journal Article/Letter]
2019. "Correction to: Regularization and error characterization of GRACE mascons." Journal of Geodesy 93 (9): 1399-1399 [10.1007/s00190-019-01286-2] [Journal Article/Letter]
2019. "Improved Earth oblateness rate reveals increased ice sheet losses and mass‐driven sea level rise." Geophysical Research Letters 2019GL082929 [10.1029/2019gl082929] [Journal Article/Letter]
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] [Journal Article/Letter]
2019. "Regularization and error characterization of GRACE mascons." Journal of Geodesy [10.1007/s00190-019-01252-y] [Journal Article/Letter]
2019. "Improved forest height estimation by fusion of simulated GEDI Lidar data and TanDEM-X InSAR data." Remote Sensing of Environment 221 621-634 [10.1016/j.rse.2018.11.035] [Journal Article/Letter]
2018. "A Transfer Function Between Line-of-Sight Gravity Difference and GRACE Intersatellite Ranging Data and an Application to Hydrological Surface Mass Variation." Journal of Geophysical Research: Solid Earth 123 (10): 9186-9201 [10.1029/2018jb016088] [Journal Article/Letter]
2018. "Mass balance of the Antarctic Ice Sheet from 1992 to 2017." Nature 558 (7709): 219-222 [10.1038/s41586-018-0179-y] [Journal Article/Letter]
2018. "Global sea-level budget 1993--present." Earth System Science Data 10 (3): 1551--1590 [10.5194/essd-10-1551-2018] [Journal Article/Letter]
2017. "Mass evolution of Mediterranean, Black, Red, and Caspian Seas from GRACE and altimetry: accuracy assessment and solution calibration." J. Geodesy 91 (2): 195-206 [10.1007/s00190-016-0952-3] [Journal Article/Letter]
2017. "The Ice, Cloud, and land Elevation Satellite-2 (ICESat-2): Science requirements, concept, and implementation." Remote Sensing of Environment 190 260-273 [10.1016/j.rse.2016.12.029] [Journal Article/Letter]
2016. "Greenland Ice Sheet seasonal and spatial mass variability from model simulations and GRACE (2003-2012)." The Cryosphere 10 1259-1277 [10.5194/tc-10-1259-2016] [Journal Article/Letter]
2016. "Spatial and temporal Antarctic Ice Sheet mass trends, glacio-isostatic adjustment, and surface processes from a joint inversion of satellite altimeter, gravity, and GPS data." J. Geophys. Res. Earth Surf. 121 (2): 182-200 [10.1002/2015jf003550] [Journal Article/Letter]
2015. "Hybrid glacier Inventory, Gravimetry and Altimetry (HIGA) mass balance product for Greenland and the Canadian Arctic." Remote Sensing of Environment 168 24-39 [10.1016/j.rse.2015.06.016] [Journal Article/Letter]
2015. "Simultaneous solution for mass trends on the West Antarctic Ice Sheet." The Cryosphere 9 (2): 805-819 [10.5194/tc-9-805-2015] [Journal Article/Letter]
2014. "Gravimetry measurements from space." Remote Sensing of the Cryosphere 231-247 [10.1002/9781118368909.ch10] [Article in Book]
2014. "Accuracy assessment of global barotropic ocean tide models." Reviews of Geophysics 52 243-282 [10.1002/2014RG000450] [Journal Article/Letter]
2014. "Optimized signal denoising and adaptive estimation of seasonal timing and mass balance from simulated GRACE-like regional mass variations." Adv. Adapt. Data Anal. 06 (01): 1450003 [10.1142/s1793536914500034] [Journal Article/Letter]
2013. "Estimation of ICESat intercampaign elevation biases from comparison of lidar data in East Antarctica." Geophysical Research Letters 40 (21): 5698-5703 [10.1002/2013gl057652] [Journal Article/Letter]
2013. "The effect of geocenter motion on Jason-2 orbits and the mean sea level." Adv. Space Res. 51 (8): 1323—1334 [10.1016/j.asr.2012.06.004] [Journal Article/Letter]
2013. "Achieving accuracy requirements for forest biomass mapping: A spaceborne data fusion method for estimating forest biomass and LiDAR sampling error." Remote Sensing of Environment 130 153-170 [Journal Article/Letter]
2013. "Monthly crustal loading corrections for satellite altimetry." Journal of Atmospheric and Oceanic Technology 30 999-1005 [10.1175/JTECH-D-12-00152.1] [Journal Article/Letter]
2013. "Antarctica, Greenland and Gulf of Alaska land ice evolution from an iterated GRACE global mascon solution." Journal of Glaciology 216 613-631 [10.3189/2013JoG12J147] [Journal Article/Letter]
2013. "Analysis of a GRACE global mascon Solution for Gulf of Alaska Glaciers." J. Glac. 59 (217): 913-924 [10.3189/2013JoG12J197] [Journal Article/Letter]
2012. "Simulation study of a follow-on gravity mission to GRACE." Journal of Geodesy 86 (5): 319-335 [10.1007/s00190-011-0521-8] [Journal Article/Letter]
2012. "A Reconciled Estimate of Ice-Sheet Mass Balance." Science 338 (6111): 1183-1189 [10.1126/science.1228102] [Journal Article/Letter]
2010. "Solid Earth Applications of DESDynI Lidar." Proceedings of the 2010 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Honolulu, Hawaii, 25-30 July, 2010 [10.1109/IGARSS.2010.5652368] [Journal Article/Letter]
2010. "DESDynI lidar for solid earth applications." 2010 IEEE International Geoscience and Remote Sensing Symposium [10.1109/igarss.2010.5652368] [Proceedings]
2010. "Improving global mass flux solutions from Gravity Recovery and Climate Experiment (GRACE) through forward modeling and continuous time correlation." J. Geophys. Res. 115 (B11): B11403 [10.1029/2010JB007533] [Journal Article/Letter]
2010. "Understanding ice sheet mass balance: progress in satellite altimetry and gravimetry." J. Glac. 56 (200): [Journal Article/Letter]
2010. "Towards development of a consistent orbit series for TOPEX/Poseidon Jason-1 and Jason-2." Adv. Space Res. 46 1513-1540 [10.1016/j.asr.2010.05.007] [Journal Article/Letter]
2010. "Evaluating terrestrial water storage variations from regionally constrained GRACE mascon data and hydrological models over Southern Africa - preliminary results." International Journal of Remote Sensing 31 (14): 3899-3912 [10.1080/01431161.2010.483483] [Journal Article/Letter]
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] [Journal Article/Letter]
2010. "DORIS/SLR POD modeling improvements for Jason-1 and Jason-2." Adv. Space Res. 46 (12): 1541-1558 [Full Text] [10.1016/j.asr.2010.05.008] [Journal Article/Letter]
2010. "Regional gravity decrease after the 2010 Maule (Chile) earthquake indicates large-scale mass redistribution." Geophysical Reearch Letters 37 L23307 [10.1029/2010GL045449] [Journal Article/Letter]
2010. "Global mass flux solutions from GRACE: A comparison of parameter estimation strategies—Mass concentrations versus Stokes coefficients." J. Geophys. Res. Solid Earth 115 (B1): [Full Text] [10.1029/2009JB006546] [Journal Article/Letter]
2009. "Dynamics of surface water storage in the Amazon inferred from measurements of inter-satellite distance change." Geophysical Research Letters 36 L09403 [10.1029/2009GL037910] [Journal Article/Letter]
2009. "Glacier changes in Alaska: can mass-balance models explain GRACE mascon trends?." Annals of Glaciology 50 (50): 148-154 [10.3189/172756409787769753] [Journal Article/Letter]
2009. "Evaluation and validation of mascon recovery using GRACE KBRR data with independent mass flux estimates in the Mississippi Basin." J Geodesy 83 (9): 817-827 [10.1007/s00190-009-0301-x] [Journal Article/Letter]
2009. "A simulation study of multi-beam altimetry for lunar reconnaissance orbiter and other planetary missions ." J. Geodesy Vol 83 (8): 709-721 [Full Text] [10.1007/s00190-008-0285-y] [Journal Article/Letter]
2009. "Qualitative comparisons of global ocean tide models by analysis of intersatellite ranging data ." Journal of Geophysical Research-Oceans 114 C09017 [10.1029/2009JC005362] [Journal Article/Letter]
2009. "On the origins of Earth rotation anomalies: New insights on the basis of both "paleogeodetic'' data and Gravity Recovery and Climate Experiment (GRACE) data ." Journal of Geophysical Research-Solid Earth 114 [10.1029/2009JB006352] [Journal Article/Letter]
2009. "Assimilation of GRACE tide solutions into a numerical hydrodynamic inverse model." Geophysical Research Letters 36 L20609 [10.1029/2009GL040376] [Journal Article/Letter]
2009. "Glacier changes in Alaska: can mass-balance models explain GRACE mascon trends?." Annals of Glaciology 50 (50): 148-154 [Journal Article/Letter]
2008. "Assessing the Performance of 20-25m Footprint Waveform Lidar data Collected in ICESat Data Corridors in Greenland." Geophysical Research Letters 35 (24): [10.1029/2008GL035774] [Journal Article/Letter]
2008. "Validation of high-resolution GRACE mascon estimates of glacier mass changes in the St Elias Mountains, Alaska, USA, using aircraft laser altimetry." J Glaciol 54 (188): 778-787 [Journal Article/Letter]
2008. "Implications of postseismic gravity change following the great 2004 Sumatra-Andaman earthquake from the regional harmonic analysis of GRACE intersatellite tracking data." J Geophys Res 113 (B11413) [10.1029/2008JB005705] [Journal Article/Letter]
2008. "Greenland ice sheet surface temperature, melt and mass loss: 2000–06." Journal of Glaciology 54 (184): 81-93 [10.3189/002214308784409170] [Journal Article/Letter]
2008. "Localized analysis of satellite tracking data for studying time-variable Earth's gravity fields." J Geophys Res 113 ( 17): B06401 [10.1029/2007JB005218] [Journal Article/Letter]
2008. "Postseismic gravity change following the great 2004 Sumatra-Andaman earthquake from the regional harmonic analysis of GRACE inter satellite tracking data: Implication for the regional viscoelastic response." J Geophys Res 113 ( 13 ): B11413 [10.1029/2008JB005705] [Journal Article/Letter]
2008. "Recent glacier mass changes in the Gulf of Alaska region from GRACE mascon solutions." Journal of Glaciology 54 (188): 767-777 [10.3189/002214308787779933] [Journal Article/Letter]
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] [Journal Article/Letter]
2007. "Ocean tidal solutions in Antarctica from GRACE intersatellite tracking data." Geophysical Research Letters 34 L21607 [10.1029/2007GL031540] [Journal Article/Letter]
2006. "Recent Greenland Ice Mass Loss by Drainage System from Satellite Gravity Observations." Science 314 (5803): 1286-1289 [10.1126/science.1130776] [Journal Article/Letter]
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] [Journal Article/Letter]
2006. "Recent Greenland ice mass loss by drainage system from satellite gravity observations." Science 314 1286-1289 [10.1126/science.113077] [Journal Article/Letter]
2006. "Monthly spherical harmonic gravity field solutions determined from GRACE inter-satellite range-rate data alone." Geophys. Res. Lett. 33 (2): [Full Text] [10.1029/2005GL024846] [Journal Article/Letter]
2005. "Ice elevations and surface change on the Malaspina Glacier Alaska." Geophys Res Lett 32 (23): L23S01 [10.1029/2005GL023943] [Journal Article/Letter]
2005. "Calibration and reduction of ICESat geoloaction errors and the impact on ice sheet elevation change detection,." Geophys Res Lett VOL. 32 L21S05 [10.1029/2005GL023689] [Journal Article/Letter]
2005. "Resolving mass flux at high spatial and temporal resolution using GRACE intersatellite measurements." Geophys. Res. Lett. Vol. 32 ( 4): L04310 [10.1029/2004GL021908] [Journal Article/Letter]
2004. "Towards a Seamless Transition from TOPEX/Poseidon to Jason-1." Marine Geodesy 27 (3-4): 373-389 [10.1080/01490410490889148] [Journal Article/Letter]
2003. "The 1-centimeter Orbit: Jason-1 Precision Orbit Determination Using GPS, SLR, DORIS and Altimeter data." Marine Geodesy 26 (3-4): 399-421 [10.1080/01490410390256727] [Journal Article/Letter]
2002. "Introduction to Special Issue on Laser Altimetry." Journal of Geodynamics 34 (3-4): 343-345 [10.1016/S0264-3707(02)00091-1] [Journal Article/Letter]
2002. "Enhanced Geolocation of Spaceborne Laser Altimeter Surface Returns: Parameter Calibration from the Simultaneous Reduction of Altimeter Range and Navigation Tracking data." Journal of Geodynamics Vol. 34 (3-4): 447-475 [10.1016/S0264-3707(02)00047-9] [Journal Article/Letter]
2001. "Improvements in spaceborne laser altimeter data geolocation." Surveys in Geophysics 22 (5/6): 549-559 [10.1023/a:1015636721365] [Journal Article/Letter]
2000. "Satellite laser altimetry: on-orbit calibration techniques for precise geolocation." The Review of Laser Engineering 28 (12): 796-803 [10.2184/lsj.28.796] [Journal Article/Letter]
2000. "Spaceborne Laser Altimeter Pointing Bias Calibration From Range Residual Analysis." Journal of Spacecraft and Rockets Vol. 37 ( 3): 374-384 [10.2514/2.3571] [Journal Article/Letter]
1999. "The use of laser altimetry in the orbit and attitude determination of Mars Global Surveyor." Geophys. Res. Lett. 26 (9): 1191-1194 [10.1029/1999GL900223] [Journal Article/Letter]
1998. "Observations of the Earth's topography from the Shuttle Laser Altimeter (SLA): laser-pulse echo-recovery measurements of terrestrial surfaces." Physics and Chemistry of the Earth 23 1053-1068 [Full Text] [10.1016/S0079-1946(98)00145-1] [Journal Article/Letter]
1997. "Space shuttle precision orbit determination in support of SLA-1 using TDRSS and GPS tracking data." The Journal of the Astronautical Science 45 (1): 113-129 [Journal Article/Letter]
1997. "Enhanced Radiative Force Modeling of The Tracking and Data Relay Satellites." Journal of the Astronautical Sciences 45 (3): 349-370 [Journal Article/Letter]
1996. "An Assessment of TDRSS for Precise Orbit Determination." The Journal of the Astronautical Sciences 44 (1): 115-127 [Journal Article/Letter]
1995. "Precision orbit determination for TOPEX/Poseidon using TDRSS doppler tracking data." Advances in Space Research 16 (12): 89-92 [10.1016/0273-1177(95)98787-o] [Journal Article/Letter]
1995. "The temporal and spatial characteristics of TOPEX/POSEIDON radial orbit error." Journal of Geophysical Research 100 (C12): 25331 [10.1029/95jc01845] [Journal Article/Letter]
1994. " Radiative Force Model Performance for TOPEX/Poseidon Precision Orbit Determination." Journal of the Astronautical Sciences 42 (2): 220-246 [Journal Article/Letter]
1994. "Erratum-Modeling Radiation Forces Acting on Topex/Poseidon for Precision Orbit Determination." Journal of Spacecraft and Rockets 31 (3): 535-536 [10.2514/3.55671] [Journal Article/Letter]
1994. "A Geopotential Model From Satellite Tracking, Altimeter and Surface Gravity Data - GEM-T3." Journal of Geophysical Research 99 (B2): 2815-2839 [10.1029/93JB02759] [Journal Article/Letter]
1994. "Modeling radiation forces acting on Topex/Poseidon for precision orbit determination." Journal of Spacecraft and Rockets 31 (1): 99-105 [10.2514/3.26408] [Journal Article/Letter]
1994. "Gravity model development for TOPEX/POSEIDON: Joint Gravity Models 1 and 2." Journal of Geophysical Research 99 (C12): 24421 [10.1029/94jc01376] [Journal Article/Letter]
1994. "Precision orbit determination for TOPEX/POSEIDON." Journal of Geophysical Research 99 (C12): 24383 [10.1029/94jc01645] [Journal Article/Letter]
1993. "Expected orbit determination performance for the TOPEX/Poseidon mission." IEEE Transactions on Geoscience and Remote Sensing 31 (2): 333-354 [10.1109/36.214910] [Journal Article/Letter]
Non-Refereed
2022. "Coastal land change due to tectonic processes and implications for relative sea-Level rise in the Samoan Islands." [10.1002/essoar.10510212.1] [Proceedings]
2017. "Development of an Atom Interferometer Gravity Gradiometer for Earth Sciences." 48th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics, June 5–9, 2017, Sacramento, California 62 (8): [Full Text] [Other]
2013. "Revision of the Atmospheric Delay Correction for ICESat-2 Laser Altimeter Ranges." NASA/TM–2013- 217513 [Full Text] [Report]
2008. "ICESat, GRACE, and Time Varying Gravity: SLR Contributions and Applications." Proceedings of the 16th International Workshop on Laser Ranging, Poznan, Poland, Oct. 12-17, 2008 [Full Text] [Proceedings]
2008. "Sub-centimeter SLR precision with the SLRF2005/LPOD2005 network." Proceedings of the 16th International Workshop on Laser Ranging, Poznan, Poland, Oct. 12-17, 2008 [Full Text] [Proceedings]
2007. "The use of mascons to resolve time-variable gravity from GRACE." Dynamic Planet: Monitoring and Understanding a Dynamic Planet with Geodetic and Oceanographic Tools 130 (IAG Symposia): 231-236 [Article in Book]
2006. "13 years of TOPEX/Poseidon precision orbit determination and the 10-fold improvement in expected orbit accuracy." AIAA Paper 2006-6672, AIAA/AAS Astrodynamics Conference, 21–24 August 2006, Keystone, Colorado [Full Text] [Proceedings]
2004. "Laser pointing determination system for the geoscience laser altimeter on ICESat. Initial in-flight performance assessment." GUIDANCE AND CONTROL 2004 (27th Annual AAS Rocky Mountain Guidance and Control Conference, Breckenridge, Colorado, February 4-08, 2004), Advances in the Astronautical Sciences 118 607-621 [Proceedings]
2004. "Kinematic Point Positioning of a LEO With Simultaneous Reduced-Dynamic Orbit Estimation." Proceedings of the 17th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2004), Long Beach, CA, September 2004, 2667-2675 [Proceedings]
2003. "GPS-Based Precision Orbit Determination for a New Era of Altimeter Satellites: Jason-1 and ICESat." Proceedings of the 2003 Flight Mechanics Symposium NASA CP/2003-212246 [Full Text] [Proceedings]
2003. "ICESat Laser Altimeter Pointing, Ranging and Timing Calibration from Integrated Residual Analysis: A Summary of Early Mission Results." Proceedings of the 2003 Flight Mechanics Symposium, Oct. 28-30, 2003. NASA CP/2003-212246 [Full Text] [Proceedings]
2002. "Filtering Errors in LEO Trajectories Obtained by Kinematic GPS with Floated Ambiguities." Proceedings of the 15th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2002), Portland, OR, September 2002 1863-1871 [Proceedings]
2002. "Spaceborne laser Altimeter Instrument Parameter Calibration from Integrated Residual Analysis ." International Archives of Photogrammetry and Remote Sensing, Volume XXXIV-3/W4, Annapolis, Maryland, 22-24 Oct. 2001 81-83 [Full Text] [Proceedings]
2002. "Wide-Swath Imaging Lidar Development for Airborne and Spaceborne Applications ." International Archives of Photogrammetry and Remote Sensing, Volume XXXIV-3/W4, Annapolis, Maryland, 22-24 Oct. 2001 17-19 [Full Text] [Proceedings]
2001. "Precise orbit determination for GEOSAT Follow-On using Satellite Laser Ranging Data and intermission altimeter crossovers." Proceedings of the 2001 Flight Mechanics Symposium NASA/CP-2001-209986 377-392 [Full Text] [Proceedings]
2000. "Precise Orbit Determination for the GEOSAT Follow-On Spacecraft." Proceedings of the 12th International Workshop on Laser Ranging (ILRS), Nov. 13-17, 2000, Matera, Italy [Full Text] [Proceedings]
2000. "Pre-Launch Testing of GPS Receivers for Geodetic Space Missions." Proceedings of the 13th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2000), Salt Lake City, UT, September 2000 2009-2018 [Full Text] [Proceedings]
2000. "Orbit determination for Mars Global Surveyor during mapping." Proceedings of the AAS/AIAA Astrodynamics Meeting, Aug. 16-19, 1999, Girdwood, Alaska, Advances in the Astronautical Sciences 103 435-451 [Proceedings]
1999. "Application of the Shuttle Laser Altimeter in an accuracy assessment of GTOPO30, a global 1-kilometer Digital Elevation Model ." International Archives of Photogrammetry and Remote Sensing, Mapping Surface Structure and Topography by Airborne and Spaceborne Lasers 32 (3-W14): 81-88 [Full Text] [Proceedings]
1999. "Processing of shuttle laser altimeter range and return pulse data in support of SLA-02." International Archives of Photogrammetry and Remote Sensing, Mapping Surface Structure and Topography by Airborne and Spaceborne Lasers 32 (3-W14): 65-72 [Full Text] [Proceedings]
1999. "Precise orbit determination for the GEOSAT Follow-On Spacecraft." Proceedings of the 1999 Flight Mechanics Symposium NASA/CP-1999-209235 495-508 [Full Text] [Proceedings]
1999. "Precise orbit determination for Mars Global Surveyor during Hiatus and SPO." AAS/AIAA Spaceflight Mechanics Meeting, Feb. 3–7, 1999, Breckinridge, Colorado, Advances in the Astronautical Sciences 102 649-666 [Proceedings]
1998. "The Development of the Joint NASA GSFC and the National Imagery and Mapping Agency (NIMA) Geopotential Model EGM96." NASA/TP-1998-206861 575 pages [Full Text] [Report]
1996. "Precision orbit determination and gravity field improvement derived from TDRSS." Astrodynamics 1995 (AAS/AIAA Astrodynamics Meeting, Feb. 14–17, 1995, Halifax, Nova Scotia, Canada), Advances in the Astronautical Sciences 90 183-200 [Proceedings]
1995. "An assessment of TDRSS for precision orbit determination." SPACEFLIGHT MECHANICS 1995, Proceedings of the AAS/AIAA Spaceflight Mechanics Conference, Albuquerque, New Mexico, February 13-16, 1995 89 (Part 1-2): [Proceedings]