[meteorite-list] Valley Networks Suggest Ancient Snowfall On Mars

[Paul H.]

Valley Networks Suggest Ancient Snowfall On Mars
Science Daily, July 23, 2013
www.sciencedaily.com/releases/2013/07/130723155046.htm

Ancient Snowfall On Mars? Science 2.0, July 23rd 2013
http://www.science20.com/news_articles/ancient_snowfall_mars-116965

Scanlon, K. E., J. W. Head, J.-B. Madeleine, R. D. 
Wordsworth, and F. Forget, 2013, Orographic 
precipitation in valley network headwaters: Constraints 
on the ancient Martian atmosphere. Geophysical 
Research Letters, 2013; DOI: 10.1002/grl.50687
http://onlinelibrary.wiley.com/doi/10.1002/grl.50687/abstract

Yours,

Paul H.