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Dalangtan Saline Playa in a Hyperarid Region on Tibet Plateau: I. Evolution and Environments
Since 2008, we have been studying a saline lake, Dalangtan (DLT) Playa, and its surroundings in a hyperarid region of the Qaidam Basin on the Tibetan Plateau as a potential Mars analog site. We describe the evolution of saline deposits in the Qaidam Basin (including DLT), based on investigative find...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Mary Ann Liebert, Inc., publishers
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6205091/ https://www.ncbi.nlm.nih.gov/pubmed/29792755 http://dx.doi.org/10.1089/ast.2018.1830 |
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author | Kong, Fanjing Zheng, Mianping Hu, Bin Wang, Alian Ma, Nina Sobron, Pablo |
author_facet | Kong, Fanjing Zheng, Mianping Hu, Bin Wang, Alian Ma, Nina Sobron, Pablo |
author_sort | Kong, Fanjing |
collection | PubMed |
description | Since 2008, we have been studying a saline lake, Dalangtan (DLT) Playa, and its surroundings in a hyperarid region of the Qaidam Basin on the Tibetan Plateau as a potential Mars analog site. We describe the evolution of saline deposits in the Qaidam Basin (including DLT), based on investigative findings accumulated over the course of 60 years of geological surveys. In addition, we report regional meteorological patterns recorded for the past 32 years along with meteorological station recorded data at DLT since 2012. Overall, the DLT area on the Tibetan Plateau has low atmospheric pressure, high ultraviolet radiation, low annual mean temperatures (T) but large seasonal and diurnal T cycles, and extremely low relative humidity, all of which bear some similarities with the equatorial region on Mars. In addition, salt types similar to those found on Mars, such as magnesium-sulfates, chlorides, and perchlorates, are found at the surface and subsurface in the DLT area (and the other two playas in the Qaidam Basin), thus supporting DLT as a Mars analog in terms of mineralogy and geochemistry. |
format | Online Article Text |
id | pubmed-6205091 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | Mary Ann Liebert, Inc., publishers |
record_format | MEDLINE/PubMed |
spelling | pubmed-62050912018-10-30 Dalangtan Saline Playa in a Hyperarid Region on Tibet Plateau: I. Evolution and Environments Kong, Fanjing Zheng, Mianping Hu, Bin Wang, Alian Ma, Nina Sobron, Pablo Astrobiology Research Articles Since 2008, we have been studying a saline lake, Dalangtan (DLT) Playa, and its surroundings in a hyperarid region of the Qaidam Basin on the Tibetan Plateau as a potential Mars analog site. We describe the evolution of saline deposits in the Qaidam Basin (including DLT), based on investigative findings accumulated over the course of 60 years of geological surveys. In addition, we report regional meteorological patterns recorded for the past 32 years along with meteorological station recorded data at DLT since 2012. Overall, the DLT area on the Tibetan Plateau has low atmospheric pressure, high ultraviolet radiation, low annual mean temperatures (T) but large seasonal and diurnal T cycles, and extremely low relative humidity, all of which bear some similarities with the equatorial region on Mars. In addition, salt types similar to those found on Mars, such as magnesium-sulfates, chlorides, and perchlorates, are found at the surface and subsurface in the DLT area (and the other two playas in the Qaidam Basin), thus supporting DLT as a Mars analog in terms of mineralogy and geochemistry. Mary Ann Liebert, Inc., publishers 2018-10-01 2018-10-12 /pmc/articles/PMC6205091/ /pubmed/29792755 http://dx.doi.org/10.1089/ast.2018.1830 Text en © Fanjing Kong et al., 2018; Published by Mary Ann Liebert, Inc. This Open Access article is distributed under the terms of the Creative Commons Attribution Noncommercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. |
spellingShingle | Research Articles Kong, Fanjing Zheng, Mianping Hu, Bin Wang, Alian Ma, Nina Sobron, Pablo Dalangtan Saline Playa in a Hyperarid Region on Tibet Plateau: I. Evolution and Environments |
title | Dalangtan Saline Playa in a Hyperarid Region on Tibet Plateau: I. Evolution and Environments |
title_full | Dalangtan Saline Playa in a Hyperarid Region on Tibet Plateau: I. Evolution and Environments |
title_fullStr | Dalangtan Saline Playa in a Hyperarid Region on Tibet Plateau: I. Evolution and Environments |
title_full_unstemmed | Dalangtan Saline Playa in a Hyperarid Region on Tibet Plateau: I. Evolution and Environments |
title_short | Dalangtan Saline Playa in a Hyperarid Region on Tibet Plateau: I. Evolution and Environments |
title_sort | dalangtan saline playa in a hyperarid region on tibet plateau: i. evolution and environments |
topic | Research Articles |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6205091/ https://www.ncbi.nlm.nih.gov/pubmed/29792755 http://dx.doi.org/10.1089/ast.2018.1830 |
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