Distribution of Hydrogen in the Near Surface of Mars: Evidence for Subsurface Ice Deposits

V. Boynton, W.; C. Feldman, W.; W. Squyres, S.; H. Prettyman, T.; Brückner, J.; G. Evans, L.; C. Reedy, R.; Starr, R.; R. Arnold, J.; M. Drake, D.; Englert, P.; E. Metzger, A.; Г. Митрофанов, И.; I. Trombka, J.; d’Uston, C.; Wänke, H.; Gasnault, O.; Hamara, D.; M. Janes, D.; L. Marcialis, R.; Maurice, S.; B. Mikheeva, I.; J. Taylor, G.; Tokar, R.; Shinohara, C.

doi:10.1126/science.1073722

Public

Distribution of Hydrogen in the Near Surface of Mars: Evidence for Subsurface Ice Deposits

Published in Science • Jul 5, 2002

Authors:

W. V. Boynton

W. C. Feldman

S. W. Squyres

Abstract

Using the Gamma-Ray Spectrometer on the Mars Odyssey, we have identified two regions near the poles that are enriched in hydrogen. The data indicate the presence of a subsurface layer enriched in hydrogen overlain by a hydrogen-poor layer. The thickness of the upper layer decreases with decreasing d...

Subject

Mars Exploration Program

Hydrogen

Geology

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