Philip W Dabney

Philip W Dabney

  • Instrument Scientist for Landsat 9
  • Additional Roles: ELECTRONICS ENGINEER
  • 301.614.5858 | 301.614.6744
  • NASA/GSFC
  • Mail Code: 618
  • Greenbelt , MD 20771
  • Employer: NASA
  • Brief Bio

    Philip W. Dabney received the Master of Science in Electro-Physics from the Department of Electrical Engineering (EE) at the University of Maryland, College Park and also holds Bachelor’s degrees in EE and Physics. He has over 27 years of experience in the conceptualization, development, applications, calibration, and operations of active and passive airborne prototype and spaceborne sensors.

    He is currently serving as the Instrument Scientist for: the Landsat-8, Landsat-9, and Sustainable Land Imaging (SLI) Missions; the Swath Imaging Multi-polarization Photon-counting Lidar (SIMPL); and several NASA R&D and Internal R&D (IRAD) projects.

     

    Previously, he served as: the Icesat-2/ATLAS Instrument Pre-launch Calibration and Validation Scientist; Principle Investigator for development of a Prototype Inter-planetary Asynchronous Laser Transponder; the Instrument Systems Engineer for the Shuttle Laser Altimeter-03, the photon-counting Multikilohertz Microlaser Altimeter (MMLA); Advanced Solid-state Array Spectroradiometer (ASAS); and Airborne Laser Polarization Sensor (ALPS).

    Additionally, he frequently provides Instrument Science support to mission and instrument concept studies involving lidar, thermal radiative, and multi/hyper-spectral reflected light imaging systems.

    Research Interests

    Remote Sensing Systems

    Remote Sensing Instrumentation for Applied Science, Remote Sensing Applications, Requirements Development, Instrument Concept & Development, Hyperspectral and Multispectral Remote Sensing, Laser & Passive Radiometry, Design of Electro-optical Imaging Systems, Instrument Systems Modeling & Optimization, Calibration and Characterization of Active and Passive Remote Sensing Systems, Precision Laser Ranging Applications, Data Analysis and Interpretation, Precision Epoch Time Recovery, Airborne Proof-of-concept Instruments and Field Operations, Radiative & Photon Counting Detectors, Laser Systems, High-performance Airborne Data-systems.

    Positions/Employment

    1/2003 - Present

    Instrument Scientist

    NASA-GSFC, Greenbelt, MD
    5/1988 - 1/2003

    AST, Electrical Engineer

    NASA-GSFC, Greenbelt, MD
    10/1987 - 5/1988

    Co-op Student Engineer

    NASA/GSFC, Greenbelt, MD
    8/1985 - 10/1987

    Physics & Electronics Lab Instructor/Teaching Assistant

    Columbia Union College, Takoma Park, Maryland

    Teaching Experience

    University Physics & Electronics Lab Instructor/Teaching Assistant 1985-1987

    Education

    1995 - M.S. Electro-Physics,
    University of Maryland
    1988 - B.S. Electrical Engineering,
    University of Maryland
    1988 - B.A. Physics,
    Columbia Union College

    Professional Societies

    American Geophysical Union (AGU) Photo-Optical Instrumentation Engineers (SPIE) International society of Electrical and Society of Electronic Engineers (IEEE), 1988 - Present

    Awards

    May 2013                Robert H. Goddard Award Exceptional Individual Achievement in Engineering

    May 2013      Robert H. Goddard Award Exceptional Team Achievement in Science

    September 2008 Center Director’s Team Recognition Award

    July 2008     Performance Award

    August 2007   Performance Award

    July 2006     Time off Award

    May 2005      Performance Award

    August 2004   Performance Award

    July 2004     Time off Award

    May 2003      Group Achievement Award

    April 2003    Career Promotion

    September 2002 Quality Increase

    May 2002      Performance Award

    July 2001     Quality Increase

    July 2000     Performance Award

    December 1999 Quality Increase

    June 1999     Performance Award

    December 1997 Performance Award

    September 1997 Quality Increase

    December 1996 Quality Increase

    December 1995 Performance Award

    September 1994 Career Promotion

    May 1994      Group Achievement Award

    April 1994    Quality Increase

    April 1993    Certificate of Recognition

    August 1992   Special Act or Service Award

    January 1992  Career Promotion

    July 1991     Special Act Award

    May 1991      Certificate of Recognition

    April 1991    Special Act or Service Award

    August 1990   Special Act or Service Award

    October 1990  Certificate of Outstanding Performance

    Certificate of Recognition

    Publications

    Refereed

    Herzfeld, U. C., T. M. Trantow, D. Harding, and P. W. Dabney. 2017. "Surface-Height Determination of Crevassed Glaciers—Mathematical Principles of an Autoadaptive Density-Dimension Algorithm and Validation Using ICESat-2 Simulator (SIMPL) Data." IEEE Transactions on Geoscience and Remote Sensing, 55 (4): 1874-1896 [10.1109/tgrs.2016.2617323]

    Markham, B. L., D. Jenstrom, J. G. Masek, et al. P. Dabney, J. A. Pedelty, J. A. Barsi, and M. Montanaro. 2016. "Landsat 9: status and plans." Earth Observing Systems XXI, [10.1117/12.2238658]

    Merkowitz, S. M., P. Dabney, J. C. Livas, et al. J. L. Mcgarry, G. A. Neumann, and T. W. Zagwodzki. 2007. "Laser Ranging for Gravitational, Lunar and Planetary Science." International Journal of Modern Physics D, 16: 2151 [Full Text (Link)] [10.1142/S0218271807011565]

    Powell, W., E. Hicks, M. Pinchinat, et al. P. Dabney, J. McGarry, and P. Murray. 2004. "Reconfigurable computing as an enabling technology for single-photon-counting laser altimetry." 2004 IEEE Aerospace Conference Proceedings (IEEE Cat. No.04TH8720), [10.1109/aero.2004.1368027]

    Russell, C. A., J. R. Irons, and P. Dabney. 1997. "Bidirectional reflectance of selected BOREAS sites from multiangle airborne data." J. Geophys. Res., 102 (D24): 29505-29516 [10.1029/96JD03880]

    Hall, D. K., J. L. Foster, J. Irons, and P. W. Dabney. 1993. "Airborne bidirectional radiances of snow-covered surfaces in Montana, USA." Annals of Glaciology, 17 (1): 35-40 [10.3198/1993AoG17-1-35-40]

    Non-Refereed

    Yu, A. W., D. J. Harding, and P. Dabney. 2016. "Laser transmitter design and performance for the slope imaging multi-polarization photon-counting lidar (SIMPL) instrument." Solid State Lasers XXV: Technology and Devices, Proceedings of SPIE 9726: [10.1117/12.2213005]

    Harding, D. J., P. Dabney, S. Valett, et al. A. Yu, A. Vasilyev, and A. Kelly. 2011. "Airborne Polarimetric, Two-Color Laser Altimeter Measurements of Lake Ice Cover: A Pathfinder for NASA’s ICESat-2 Spaceflight Mission." 2011 IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 3598-3601 [Full Text (Link)] [10.1109/IGARSS.2011.6050002]

    Markham, B. L., P. W. Dabney, D. Reuter, et al. K. J. Thome, J. R. Irons, J. A. Barsi, and M. Montanaro. 2011. "Landsat Data Continuity Mission Operational Land Imager Thermal In-frared Sensor performance." Proceedings of SPIE 8153: 81530D-81530D-7 [10.1117/12.895542]

    Harding, D. J., P. W. Dabney, and S. Valett. 2011. "Polarimetric, two-color, photon-counting laser altimeter measurements of forest canopy structure." International Symposium on Lidar and Radar Mapping 2011: Technologies and Applications, Proceedings of SPIE 8286: Nanjing, China, 10 [10.1117/12.913960]

    Dabney, P. W., D. J. Harding, J. B. Abshire, et al. T. E. Huss, G. F. Jodor, R. L. Machan, J. Marzouk, K. Rush, A. Seas, C. A. Shuman, X. Sun, S. Valett, A. Vasilyev, A. Yu, and Y. Zheng. 2010. "The Slope Imaging Multi-polarization Photon-counting Lidar: Development and performance results." Geoscience and Remote Sensing Symposium (IGARSS), 2010 IEEE International 653-656 [10.1109/IGARSS.2010.5650862]

    Abshire, J. B., D. J. Harding, X. Sun, et al. M. A. Krainak, T. Seas, and P. Dabney. 2007. "Pushbroom Laser Altimetry using Fiber Lasers and Photon Counting Detectors ." 2007 Conference on Lasers & Electro-Optics/Quantum Electronics and Laser Science Conference (CLEO/QELS 1-5: 1467-1468 [Full Text (Link)]

    Degnan, J. J., J. L. Mcgarry, T. W. Zagwodzki, et al. P. Dabney, J. Geiger, R. Chabot, C. Steggerda, J. Marzouk, and A. Chu. 2002. "Design and Performance of an Airborne Multikilohertz Photon-Counting Microlaser Altimeter." International Archives of Photogrammetry and Remote Sensing, Volume XXXIV-3/W4, Annapolis, Maryland, 22-24 Oct. 2001 9-16, ISBN: ISSN 0246-1840. [Full Text (Link)]

    Degnan, J. J., J. L. Mcgarry, T. W. Zagwodzki, et al. P. Dabney, J. Geiger, R. Chabot, C. Steggerda, J. Marzouk, and A. Chu. 2001. "Design and performance of a 3-D imaging, photon-counting, microlaser altimeter operating from aircraft cruise altitudes under day or night conditions." PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE) 4546: Bellingham, Washington, U.S.A.: 1-10, ISBN: 0-8194-4271-2. [10.1117/12.453978]

    Brief Bio

    Philip W. Dabney received the Master of Science in Electro-Physics from the Department of Electrical Engineering (EE) at the University of Maryland, College Park and also holds Bachelor’s degrees in EE and Physics. He has over 27 years of experience in the conceptualization, development, applications, calibration, and operations of active and passive airborne prototype and spaceborne sensors.

    He is currently serving as the Instrument Scientist for: the Landsat-8, Landsat-9, and Sustainable Land Imaging (SLI) Missions; the Swath Imaging Multi-polarization Photon-counting Lidar (SIMPL); and several NASA R&D and Internal R&D (IRAD) projects.

     

    Previously, he served as: the Icesat-2/ATLAS Instrument Pre-launch Calibration and Validation Scientist; Principle Investigator for development of a Prototype Inter-planetary Asynchronous Laser Transponder; the Instrument Systems Engineer for the Shuttle Laser Altimeter-03, the photon-counting Multikilohertz Microlaser Altimeter (MMLA); Advanced Solid-state Array Spectroradiometer (ASAS); and Airborne Laser Polarization Sensor (ALPS).

    Additionally, he frequently provides Instrument Science support to mission and instrument concept studies involving lidar, thermal radiative, and multi/hyper-spectral reflected light imaging systems.

    Publications

    Refereed

    Herzfeld, U. C., T. M. Trantow, D. Harding, and P. W. Dabney. 2017. "Surface-Height Determination of Crevassed Glaciers—Mathematical Principles of an Autoadaptive Density-Dimension Algorithm and Validation Using ICESat-2 Simulator (SIMPL) Data." IEEE Transactions on Geoscience and Remote Sensing 55 (4): 1874-1896 [10.1109/tgrs.2016.2617323]

    Markham, B. L., D. Jenstrom, J. G. Masek, et al. P. Dabney, J. A. Pedelty, J. A. Barsi, and M. Montanaro. 2016. "Landsat 9: status and plans." Earth Observing Systems XXI [10.1117/12.2238658]

    Merkowitz, S. M., P. Dabney, J. C. Livas, et al. J. L. Mcgarry, G. A. Neumann, and T. W. Zagwodzki. 2007. "Laser Ranging for Gravitational, Lunar and Planetary Science." International Journal of Modern Physics D 16 2151 [Full Text (Link)] [10.1142/S0218271807011565]

    Powell, W., E. Hicks, M. Pinchinat, et al. P. Dabney, J. McGarry, and P. Murray. 2004. "Reconfigurable computing as an enabling technology for single-photon-counting laser altimetry." 2004 IEEE Aerospace Conference Proceedings (IEEE Cat. No.04TH8720) [10.1109/aero.2004.1368027]

    Russell, C. A., J. R. Irons, and P. Dabney. 1997. "Bidirectional reflectance of selected BOREAS sites from multiangle airborne data." J. Geophys. Res. 102 (D24): 29505-29516 [10.1029/96JD03880]

    Hall, D. K., J. L. Foster, J. Irons, and P. W. Dabney. 1993. "Airborne bidirectional radiances of snow-covered surfaces in Montana, USA." Annals of Glaciology 17 (1): 35-40 [10.3198/1993AoG17-1-35-40]

    Non-Refereed

    Yu, A. W., D. J. Harding, and P. Dabney. 2016. "Laser transmitter design and performance for the slope imaging multi-polarization photon-counting lidar (SIMPL) instrument." Solid State Lasers XXV: Technology and Devices, Proceedings of SPIE 9726 [10.1117/12.2213005]

    Harding, D. J., P. Dabney, S. Valett, et al. A. Yu, A. Vasilyev, and A. Kelly. 2011. "Airborne Polarimetric, Two-Color Laser Altimeter Measurements of Lake Ice Cover: A Pathfinder for NASA’s ICESat-2 Spaceflight Mission." 2011 IEEE International Geoscience and Remote Sensing Symposium (IGARSS) 3598-3601 [Full Text (Link)] [10.1109/IGARSS.2011.6050002]

    Markham, B. L., P. W. Dabney, D. Reuter, et al. K. J. Thome, J. R. Irons, J. A. Barsi, and M. Montanaro. 2011. "Landsat Data Continuity Mission Operational Land Imager Thermal In-frared Sensor performance." Proceedings of SPIE 8153 81530D-81530D-7 [10.1117/12.895542]

    Harding, D. J., P. W. Dabney, and S. Valett. 2011. "Polarimetric, two-color, photon-counting laser altimeter measurements of forest canopy structure." International Symposium on Lidar and Radar Mapping 2011: Technologies and Applications, Proceedings of SPIE 8286 10 [10.1117/12.913960]

    Dabney, P. W., D. J. Harding, J. B. Abshire, et al. T. E. Huss, G. F. Jodor, R. L. Machan, J. Marzouk, K. Rush, A. Seas, C. A. Shuman, X. Sun, S. Valett, A. Vasilyev, A. Yu, and Y. Zheng. 2010. "The Slope Imaging Multi-polarization Photon-counting Lidar: Development and performance results." Geoscience and Remote Sensing Symposium (IGARSS), 2010 IEEE International 653-656 [10.1109/IGARSS.2010.5650862]

    Abshire, J. B., D. J. Harding, X. Sun, et al. M. A. Krainak, T. Seas, and P. Dabney. 2007. "Pushbroom Laser Altimetry using Fiber Lasers and Photon Counting Detectors ." 2007 Conference on Lasers & Electro-Optics/Quantum Electronics and Laser Science Conference (CLEO/QELS 1-5 1467-1468 [Full Text (Link)]

    Degnan, J. J., J. L. Mcgarry, T. W. Zagwodzki, et al. P. Dabney, J. Geiger, R. Chabot, C. Steggerda, J. Marzouk, and A. Chu. 2002. "Design and Performance of an Airborne Multikilohertz Photon-Counting Microlaser Altimeter." International Archives of Photogrammetry and Remote Sensing, Volume XXXIV-3/W4, Annapolis, Maryland, 22-24 Oct. 2001 9-16 [Full Text (Link)]

    Degnan, J. J., J. L. Mcgarry, T. W. Zagwodzki, et al. P. Dabney, J. Geiger, R. Chabot, C. Steggerda, J. Marzouk, and A. Chu. 2001. "Design and performance of a 3-D imaging, photon-counting, microlaser altimeter operating from aircraft cruise altitudes under day or night conditions." PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE) 4546 1-10 [10.1117/12.453978]

                                                                                                                                                                                            
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