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Natural and semi-natural land dynamics under water resource change from 1990 to 2015 in the Tarim Basin, China
Liu, Fang1; Yu, Zhuxiao2,3; Xu, Erqi2; Li, Dajing2,3; Zhang, Hongqi2; Qin, Yuanwei4
2021-08-01
Source PublicationENVIRONMENTAL RESEARCH LETTERS
ISSN1748-9326
Volume16Issue:8Pages:15
Corresponding AuthorZhang, Hongqi(zhanghq@igsnrr.ac.cn) ; Qin, Yuanwei(yuanwei.qin@ou.edu)
AbstractThe Tarim Basin is a typical arid area and has the world's most severe desertification of natural and semi-natural land due to limited water resources. However, knowledge about the impacts of changes in water resources on the spatio-temporal dynamics of natural and semi-natural land is still limited. We analyzed the spatio-temporal changes in natural and semi-natural land and the associations with desertification in the Tarim Basin during the period 1990-2015. We then investigated the changes in water resources and the consequent impacts on the spatio-temporal changes of natural and semi-natural land by integrating Gravity Recovery and Climate Experiment territorial water storage data and field observations. The results showed that a total area of 10.32 x 10(3) km(2) of natural and semi-natural land was converted to desert during the period 1990-2015. Desert vegetation type and saline type were the natural and semi-natural land types most sensitive to conversion to desert. The area of natural and semi-natural land decreased by 0.83% every year, and the proportion of desertified land was 34.79% on average during the period 2000-2010; this is less than for the period 1990-2000 (1.14% yr(-1) and 52.01%) due to increased availability of water resources from the water conveyance program. However, the rate of decrease of natural and semi-natural land area (0.93% yr(-1)) and the proportion of desertified land (58.88%) rose again during the period 2010-2015 due to the rapid decrease in water resources. During the period 2000-2015, the rate of loss of natural and semi-natural land area (7.89%) in the region with decreased water resources was about twice that in the region with increased water resources (3.88%), highlighting the critical role of water resources in maintaining natural and semi-natural land and slowing desertification.
Keywordnatural and semi-natural land desertification water resources remote sensing arid region
DOI10.1088/1748-9326/ac07d7
WOS KeywordVALIDATION DATA SET ; LOWER REACHES ; RIVER-BASIN ; RIPARIAN VEGETATION ; POPULUS-EUPHRATICA ; GROUNDWATER LEVEL ; NORTHWEST CHINA ; SPATIAL-PATTERN ; NW CHINA ; XINJIANG
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41671097]
Funding OrganizationNational Natural Science Foundation of China
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS SubjectEnvironmental Sciences ; Meteorology & Atmospheric Sciences
WOS IDWOS:000674713700001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/163702
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Hongqi; Qin, Yuanwei
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Univ Oklahoma, Dept Microbiol & Plant Biol, Norman, OK 73019 USA
Recommended Citation
GB/T 7714
Liu, Fang,Yu, Zhuxiao,Xu, Erqi,et al. Natural and semi-natural land dynamics under water resource change from 1990 to 2015 in the Tarim Basin, China[J]. ENVIRONMENTAL RESEARCH LETTERS,2021,16(8):15.
APA Liu, Fang,Yu, Zhuxiao,Xu, Erqi,Li, Dajing,Zhang, Hongqi,&Qin, Yuanwei.(2021).Natural and semi-natural land dynamics under water resource change from 1990 to 2015 in the Tarim Basin, China.ENVIRONMENTAL RESEARCH LETTERS,16(8),15.
MLA Liu, Fang,et al."Natural and semi-natural land dynamics under water resource change from 1990 to 2015 in the Tarim Basin, China".ENVIRONMENTAL RESEARCH LETTERS 16.8(2021):15.
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