LRO LOLA and Kaguya TC Color Hillshade 512ppd

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Title: LRO LOLA and Kaguya TC Color Hillshade 512ppd

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This is a colorized shaded-relief representation of the Lunar surface generated from the LOLA and Kaguya merged DEM product. The LOLA and Kaguya Teams have created an improved lunar digital elevation model (DEM) covering latitudes within ±60°, at a horizontal resolution of 512 pixels per degree (∼59 m at the equator) and a typical vertical accuracy ∼3 to 4 m. This DEM is constructed from ∼4.5×109 geodetically-accurate topographic heights from the Lunar Orbiter Laser Altimeter (LOLA) onboard the Lunar Reconnaissance Orbiter, to which we co-registered 43,200 stereo-derived DEMs (each 1×1 degree) from the SELENE Terrain Camera (TC) (∼1010 pixels total). After co-registration, approximately 90% of the TC DEMs show root-mean-square vertical residuals with the LOLA data of <5 m compared to ∼50% prior to co-registration. We use the co-registered TC data to estimate and correct orbital and pointing geolocation errors from the LOLA altimetric profiles (typically amounting to <10 m horizontally and <1 m vertically). By combining both co-registered datasets, we obtain a near-global DEM with high geodetic accuracy, and without the need for surface interpolation. We evaluate the resulting LOLA + TC merged DEM (designated as “SLDEM2015”) with particular attention to quantifying seams and crossover errors. The legend coveys the mapping colors to elevation values (meters) and map values are referred to a radius of 1737400 m.

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West_Bounding_Coordinate: -180.0000000

East_Bounding_Coordinate: 180.0000000

North_Bounding_Coordinate: 60.0000000

South_Bounding_Coordinate: -60.0000000

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