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Luo W, Cang X, Howard AD. New Martian valley network volume estimate consistent with ancient ocean and warm and wet climate. Nat Commun. 2017;8:15766doi: 10.1038/ncomms15766.
Luo, W., Cang, X., & Howard, A. D. (2017). New Martian valley network volume estimate consistent with ancient ocean and warm and wet climate. Nature communications, 815766. https://doi.org/10.1038/ncomms15766
Luo, Wei, et al. "New Martian valley network volume estimate consistent with ancient ocean and warm and wet climate." Nature communications vol. 8 (2017): 15766. doi: https://doi.org/10.1038/ncomms15766
Luo W, Cang X, Howard AD. New Martian valley network volume estimate consistent with ancient ocean and warm and wet climate. Nat Commun. 2017 Jun 05;8:15766. doi: 10.1038/ncomms15766. PMID: 28580943; PMCID: PMC5465386.
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Nat Commun. 2017 Jun 05;8:15766. doi: 10.1038/ncomms15766.

New Martian valley network volume estimate consistent with ancient ocean and warm and wet climate.

Nature communications

Wei Luo, Xuezhi Cang, Alan D Howard

Affiliations

  1. Department of Geography, Northern Illinois University, Davis Hall 120, DeKalb, Illinois 60115, USA.
  2. Department of Environmental Sciences, University of Virginia, Charlottesville, Virginia 22904, USA.

PMID: 28580943 PMCID: PMC5465386 DOI: 10.1038/ncomms15766

Abstract

The volume of Martian valley network (VN) cavity and the amount of water needed to create the cavity by erosion are of significant importance for understanding the early Martian climate, the style and rate of hydrologic cycling, and the possibility of an ancient ocean. However, previous attempts at estimating these two quantities were based on selected valleys or at local sites using crude estimates of VN length, width and depth. Here we employed an innovative progressive black top hat transformation method to estimate them on a global scale based on the depth of each valley pixel. The conservative estimate of the minimum global VN volume is 1.74 × 10

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