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GLD100: The near-global lunar 100 m raster DTM from LROC WAC stereo image data

Scholten, Frank and Oberst, J. and Matz, K.-D. and Roatsch, Thomas and Wählisch, Marita and Speyerer, E. J. and Robinson, M. S. (2012) GLD100: The near-global lunar 100 m raster DTM from LROC WAC stereo image data. Journal of Geophysical Research, 117 (E3). Wiley. DOI: 10.1029/2011JE003926

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Official URL: http://onlinelibrary.wiley.com/doi/10.1029/2011JE003926/abstract

Abstract

We derived near-global lunar topography from stereo image data acquired by the Wide-angle Camera (WAC) of the Lunar Reconnaissance Orbiter Camera (LROC) system. From polar orbit tracks, the LROC WAC provides image data with a mean ground resolution at nadir of 75 m/pixel with substantial cross-track stereo overlap. WAC stereo images from the one-year nominal mission and the first months of the science mission phase are combined to produce a near-global digital terrain model (DTM) with a pixel spacing of 100 m, the Global Lunar DTM 100 m, or “GLD100.” It covers 79°S to 79°N latitudes, 98.2% of the entire lunar surface. We compare the GLD100 with results from previous stereo and altimetry-based products, particularly with the Lunar Orbiter Laser Altimeter (LOLA) altimetry, which is the current topographic reference for the Moon. We describe typical characteristics of the GLD100 and, based upon the comparison to the LOLA data set, assess its vertical and lateral resolution and accuracy. We conclude that the introduced first version of the stereo-based GLD100 is a valuable topographic representation of the lunar surface, complementary to the LOLA altimetry data set. Further improvements can be expected from continuative investigations.

Item URL in elib:https://elib.dlr.de/80828/
Document Type:Article
Title:GLD100: The near-global lunar 100 m raster DTM from LROC WAC stereo image data
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Scholten, FrankFrank.Scholten (at) dlr.deUNSPECIFIED
Oberst, J.Juergen.Oberst (at) dlr.deUNSPECIFIED
Matz, K.-D.Klaus-Dieter.Matz (at) dlr.deUNSPECIFIED
Roatsch, ThomasThomas.Roatsch (at) dlr.deUNSPECIFIED
Wählisch, MaritaMarita.Waehlisch (at) dlr.deUNSPECIFIED
Speyerer, E. J.School of Earth and Space Exploration, Arizona State University, Tempe, Arizona, USAUNSPECIFIED
Robinson, M. S.School of Earth and Space Exploration, Arizona State University, Tempe, Arizona, USAUNSPECIFIED
Date:March 2012
Journal or Publication Title:Journal of Geophysical Research
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:117
DOI :10.1029/2011JE003926
Publisher:Wiley
Status:Published
Keywords:The near-global lunar 100 m raster, DTM, LROC WAC stereo image data
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):R - Vorhaben Exploration des Sonnensystems
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Geodesy
Institute of Planetary Research > Planetary Geology
Deposited By: Beisembin, Bauyrzhan
Deposited On:22 Jan 2013 10:04
Last Modified:01 Dec 2018 19:49

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