Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2018 Oct 12;18(10):1221–1242. doi: 10.1089/ast.2018.1917

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© Yuk L. Yung et al., 2018; Published by Mary Ann Liebert, Inc.

This Open Access article is distributed under the terms of the Creative Commons License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.

PMC Copyright notice

FIG. 2. — (a) Mixing ratios of minor species in the atmosphere of Mars (Hu et al., 2012). (b) Simulation of CH₄ with a source of 75,000 t/year at the Martz crater at L_s = 80° and a lifetime of 1 month. Based on a model by Lefèvre and Forget (2009).