Carl J. Leuschen

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The equatorial Medusae Fossae Formation (MFF) is enigmatic and perhaps among the youngest geologic deposits on Mars. They are thought to be composed of volcanic ash, eolian sediments, or an ice-rich material analogous to polar layered deposits. The Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS) instrument aboard the Mars Express(More)
In 1991, NASA initiated a research program for testing airborne laser and radar altimeters for measuring surface elevation of the Greenland ice sheet in conjunction with a coordinated set of surface measurements for validating and interpreting satellite data sets. In 1993, the airborne program was expanded to include the University of Kansas airborne radio(More)
The Shallow Radar (SHARAD) on the Mars Reconnaissance Orbiter has imaged the internal stratigraphy of the north polar layered deposits of Mars. Radar reflections within the deposits reveal a laterally continuous deposition of layers, which typically consist of four packets of finely spaced reflectors separated by homogeneous interpacket regions of nearly(More)
Sea ice is generally covered with snow, which can vary in thickness from a few centimeters to >1m. Snow cover acts as a thermal insulator modulating the heat exchange between the ocean and the atmosphere, and it impacts sea-ice growth rates and overall thickness, a key indicator of climate change in polar regions. Snow depth is required to estimate sea-ice(More)
The Multi-Channel Coherent Radar D e p t h S o u n d e r (MCoRDS) system was developed by the Center for Remote Sensing of Ice Sheets (CReSIS) at the University of Kansas to map the thickness and underlying bed elevation for glaciers in Antarctica on the NASA Operation Ice Bridge (OIB) mission. Scientists believe that the lubricating effect of liquid water(More)
This is the final report on the project entitled “Validation of AMSR snow depth on sea ice retrievals using an airborne pulse radar.” This is a collaborative project between the Center for Remote Sensing of Ice sheets (CReSIS) at the University of Kansas and NASA Goddard Space Flight Center (GSFC). We designed and developed ultrawideband radars for(More)
Over the past few years, the interest in exploring Mars has grown, with several missions in the planning stages for the next decade. One motivating theme is the potential of discovering substantial sub-surface aqueous reservoirs. This paper outlines the simulation and development of a lightweight, low-power, ground-penetrating radar system intended for the(More)