Strong water isotopic anomalies in the martian atmosphere: Probing current and ancient reservoirs-Reference-Cited by-同舟云学术

Strong water isotopic anomalies in the martian atmosphere: Probing current and ancient reservoirs

Published:2015-04-10 Issue:6231 Volume:348 Page:218-221
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Villanueva G. L.¹²,Mumma M. J.¹,Novak R. E.³,Käufl H. U.⁴,Hartogh P.⁵,Encrenaz T.⁶,Tokunaga A.⁷,Khayat A.⁷,Smith M. D.¹

Affiliation:

1. NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA.

2. Catholic University of America, Washington, DC 20064, USA.

3. Iona College, New Rochelle, NY 10801, USA.

4. European Southern Observatory, Munich, Germany.

5. Max Planck Institute for Solar System Research, Katlenburg-Lindau 37191, Germany.

6. Observatoire de Paris-Meudon, Meudon 92195, France.

7. University of Hawaii-Manoa, Honolulu, HI 96822, USA.

Abstract

Mapping Mars' water history We know the water cycle on Earth is complex. Neither is it simple on Mars. Infrared maps of water isotopes made by Villanueva et al. show the distribution of H 2 O and “semiheavy” water (HDO: deuterated water containing a mixture of hydrogen isotopes) across Mars. HDO enrichment varies with time and location; for example, irregular isotopic signals associate with different terrain features. The measurements also allow seasonal sublimation levels of the northern ice cap to be estimated and thus could be used to reveal past climate behavior. Science , this issue p. 218

Funder

NSF Research in Undergraduate Institutions

NASA Keck PI Data Award

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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