Delwyn Moller

Dr. Delwyn K. Moller is a Senior Engineer at Remote Sensing Solutions, Inc. She received the Ph.D. degree in Electrical Engineering from the University of Massachusetts-Amherst, the M.E degree from University of Auckland, New Zealand and the B.E. degree from University of Auckland, New Zealand.

Since joining RSS, Dr. Moller has continued her development of novel remote sensing systems, including the development of a technique using a Ka-band Synthetic Aperature Radar for mapping ice surface topography. This system is designed to produce high-quality topographic maps providing essential information for glaciology. It was recently deployed to Greenland (aboard the NASA-Dryden GIII) in a successful field campaign. She has served as the Principal Investigator (PI) for an effort to develop a single-pass, single platform Interferometric Synthetic Aperature Radar (InSAR). The InSAR is designed for mapping the surface topography of glaciers and ice sheets at high spatial resolution and high vertical accuracy while operating independent of cloud cover.

Dr. Moller is currently leading the effort to develop a low-cost, Ka-band, multi-temporal and cross-track baselines radar sensor designed to fly on high altitude aircraft. This sensor will acquire phenomenology measurements (i.e. temporal, coherence, near-nadir scattering cross-section and vegetation attenuation) in support of the Surface Water Ocean Topography (SWOT) satellite mission which will address terrestrial fresh water hydrology and physical oceanography science questions.

Prior to joining RSS, Dr. Moller was a radar system engineer at NASA Jet Propulsion Lab, where she was involved in numerous radar remote-sensing projects. She was the cognizant engineer for system performance during the Shuttle Radar Topography Mission implementing mission critical analysis software. She was the PI on a task entitled "Designing the Next Generation Radar for Wetland and River Hydrology Monitoring" and was the PI on a Research and Techology Development task "Analysis of Along-Track Interferometric Synthetic Aperature Radar Data for the Retrieval of River Discharge". She was a co-recipient of the NASA Space Act award for "A Ka-Band Imaging Radar for Hazard Detection and Avoidance of Planetary Landers".

She has been a Co-Investigator on numerous tasks encompassing radar onboard processor design, spaceborne radar design for soil moisture retrieval and tower based experimental design. She has a comprehensive background in array design, and implemented a phased array real time digital beamformer using an array of digital signal processors. She has extensive experience in ground and airborne experimental design and fielding instrumentation. She has lead numerous radar system design and feasibility studies for measuring soil moisture, precipitation, ocean currents, ice-surface topography, surface water hydrology, snow depth, seismology and Terrestrial Planet Finder collision avoidance and landing radars.


Selected Articles

  • Moller, D., S. Hensley, G. Sadowy, C. Fisher, T. Michel, and M. Zawadzki, The Glacier and Land Ice Surface Topography Interferometer: "An airborne proof-of-concept demonstration of high-precision Ka-band single-pass elevation mapping", IEEE Transactions on Geoscience and Remote Sensing, Vol. 49, PP 827-842, Feb 2011, doi:10.1109/TGRS.2010.2057254.
  • Durand, M., K. M. Andreadis, D. E. Alsdorf, D. P. Lettenmaier, D. Moller, and M. Wilson, "Estimation of bathymetric depth and slope from data assimilation of swath altimetry into a hydrodynamic model," Geophys. Res. Lett., 35, L20401, doi:10.1029/2008GL034150, October 2008.
  • Bjerklie D., D.Moller, L.Smith, S.L.Dingman, "Estimating Discharge in Rivers Using Remotely Sensed Hydraulic Information," Journal of Hydrology, 309, pp 191-209, 2003.
  • Kim D., W.M. Moon, D. Moller, D. Imel, "Measurements of Ocean Surface Waves and Currents Using L- and C-Band Along-Track Interferometric SAR," IEEE Transactions on Geoscience and Remote Sensing, Vo1. 41, No. 12, 2003.
  • Moller D., P.D. Mourad, S.J. Frasier, "Field Observations of Radar Backscatter From the Ocean Surface Under Low Wind Speed Conditions," Journal of Geophysical Research, Vol. 105(C10), 24,059-24,069, 2000.
  • Moller D., S.J. Frasier, D.L. Porter, R.E. McIntosh, "Radar-derived Interferometric Surface Currents and their Relationship to Subsurface Current Structure," Journal of Geophysical Research, Vol. 103(C6), 12,839-12,852, 1998.

Peer-reviewed Conference

  • Sadowy G, B.Heavey, D. Moller, E. Rignot, M. Zawadzki, S. Rengarajan, "Technology Demonstration of Ka-band Digitally-Beamformed Radar for Ice Topography Mapping," IEEE Aerospace Conference, Big Sky Montana, 2007.
  • Moller D., E. Rodriguez, M. Moghaddam, J. Hoffman, "A Dual-low-frequency Radar for Sub-canopy and Deep Soil-moisture Measurements," 2003 IEEE Aerospace Conference, Big Sky Montana, 2003.
  • Pollard B., G. Sadowy, D. Moller, E. Rodríguez: "A Millimeter-wave Phased Array Radar for Hazard Detection and Avoidance on Planetary Landers," Proceedings of the IEEE Aerospace Conference, Big Sky MT, 2003.

Conference

  • Invited Paper: Moller D., B. Heavey, R. Hodges, S. Rengarajan, E. Rignot, G. Sadowy, M. Simard and M. Zawadzki, "The Application of Digital Beamforming Techniques to Enable Swath Mapping of Land Ice and Glacial Topography," IGARSS 2008, Boston.
  • Invited Paper: Moller D., B. Heavey, E. Rignot, G. Sadowy, M. Simard and M. Zawadzki, "A Novel Ka-band Digitally Beamformed Interferometric Synthetic Aperature Radar for Glacier and Ice-sheet Topographic Mapping: Concept and Technology Development," EUSAR 08, Friedrichshafen, Germany.
  • B. Heavey, D. Moller, G.Sadowy and J. Tanabe, "Technology Development of a Compact, Radar Digital Receiver," ESTC 08, University Park, Maryland.
  • Moller D., Gim, Y., B. Heavey, R. Hodges, S. Rengarajan, E. Rignot, F. Rogez, G. Sadowy, M. Simard, M. Zawadzki, "Technology Development of a Novel Ka-band Digitally-Beamformed Interferometric Radar With Application to Ice Topography Mapping”, NASA Science and Technology Conference, University Park Maryland, 2007.
  • Moller D., B. Heavey, R. Hodges, S. Rengarajan, E. Rignot, F. Rogez, G. Sadowy, M. Simard, M. Zawadzki, "The Glacier and Land Ice Surface Topography Interferometer (GLISTIN): A Novel Ka-band Digitally Beamformed Interferometer," ESTC ‘06 Conference, University Park, Maryland 2006.
  • Moller D., K.Aaron, Y.Gim, B.Heavey, R.Hodges, A.Nicolson, S.Rengarajan, E.Rignot, F.Rogez, G.Sadowy, M.Simard, M.Zawadzki, "An Interferometric Ka-band Synthetic Aperature Radar: A New Technique for Glacier and Ice-sheet Topography Mapping," Fall American Geophysical Union Meeting Abstract, 2006.
  • Rodriguez E., D. Moller, "Retrieving High Precision River Stages and Slopes From Space," Symposium: 15 Years of Progress in Radar Altimetry, Venice, Italy, 2006.
  • Rodriguez E., D. Moller, "Retrieving High Precision River Stages and Slopes From Space," American Geophysical Union Fall Meeting Abstract, 2005.
  • Moller D., B. Pollard, E. Rodriguez, "Coastline Monitoring from a Spaceborne Vector-ATI Radar: A Mission Concept," 2002 AIRSAR Earth Science and Application Workshop, Pasadena, CA 2002.
  • Moller D., Y. Lou, A. Chu, T.Miller, "PacRim II: A Review of AirSAR Operations and System Performance," Proc. International Geoscience and Remote Sensing Conference, Sydney, Australia, 2001.