Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1109/LGRS.2016.2616409 |
Effects of Evapotranspiration on Regional Land Surface Temperature in an Arid Oasis Based on Thermal Remote Sensing | |
Xiong, Yujiu1,2; Zhao, Shaohua3; Yin, Jing4; Li, Cheng5; Qiu, Guoyu5 | |
通讯作者 | Qiu, Guoyu |
来源期刊 | IEEE GEOSCIENCE AND REMOTE SENSING LETTERS
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ISSN | 1545-598X |
EISSN | 1558-0571 |
出版年 | 2016 |
卷号 | 13期号:12页码:1885-1889 |
英文摘要 | Evapotranspiration (ET) is crucial to arid and semiarid environments because it substantially affects the energy and water cycles. Based on the estimation of continuous ET from barren or sparsely vegetated areas, this letter investigated how ET affects the regional land surface temperature (LST) in the Shiyanghe river catchment area, a typical inland river catchment in Northwest China. ET was estimated during 2008-2011 using a three-temperature model and MODIS data sets. LST was retrieved from the MODIS product (MOD11A2). Results taken from transects that began in the oasis area and ended in the desert reveal that ET decreased, with the daily average ET in the oasis being approximately 1.4 mm larger than that in the desert. By contrast, the LST in the oasis was 8 K lower than that in the desert. Statistical results suggested that ET and LST showed a negative relationship (R-2 = 0.83). Further analysis showed that the correlation was strongly dependent on the water availability in barren or sparsely vegetated areas. It is concluded that in water-limited barren or sparsely vegetated regions, the negative correlation between ET and LST may provide alternative information for water management, such as identifying groundwater recharge in arid regions. |
英文关键词 | Evapotranspiration (ET) land surface temperature (LST) Moderate Resolution Imaging Spectroradiometer (MODIS) Shiyanghe river catchment thermal remote sensing three-temperature model (3T model) |
类型 | Article |
语种 | 英语 |
国家 | Peoples R China ; USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000403337100001 |
WOS关键词 | NORTHWEST CHINA ; 3-TEMPERATURE MODEL ; ENERGY-BALANCE ; CLIMATE-CHANGE ; TERRESTRIAL EVAPOTRANSPIRATION ; SOIL EVAPORATION ; UNITED-STATES ; TRANSPIRATION ; FLUXES ; VARIABILITY |
WOS类目 | Geochemistry & Geophysics ; Engineering, Electrical & Electronic ; Remote Sensing ; Imaging Science & Photographic Technology |
WOS研究方向 | Geochemistry & Geophysics ; Engineering ; Remote Sensing ; Imaging Science & Photographic Technology |
来源机构 | 北京大学 ; University of California, Davis |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/193522 |
作者单位 | 1.Sun Yat Sen Univ, Sch Geog & Planning, Dept Water Resources & Environm, Guangzhou 510275, Guangdong, Peoples R China; 2.Univ Calif Davis, Dept Land Air & Water Resources, Davis, CA 95616 USA; 3.Minist Environm Protect, Satellite Environm Ctr, Beijing 100094, Peoples R China; 4.Inst Water Resources & Hydropower Res, Beijing 100038, Peoples R China; 5.Peking Univ, Sch Environm & Energy, Shenzhen Engn Lab Water Desalinizat Renewable Ene, Shenzhen 518055, Peoples R China |
推荐引用方式 GB/T 7714 | Xiong, Yujiu,Zhao, Shaohua,Yin, Jing,et al. Effects of Evapotranspiration on Regional Land Surface Temperature in an Arid Oasis Based on Thermal Remote Sensing[J]. 北京大学, University of California, Davis,2016,13(12):1885-1889. |
APA | Xiong, Yujiu,Zhao, Shaohua,Yin, Jing,Li, Cheng,&Qiu, Guoyu.(2016).Effects of Evapotranspiration on Regional Land Surface Temperature in an Arid Oasis Based on Thermal Remote Sensing.IEEE GEOSCIENCE AND REMOTE SENSING LETTERS,13(12),1885-1889. |
MLA | Xiong, Yujiu,et al."Effects of Evapotranspiration on Regional Land Surface Temperature in an Arid Oasis Based on Thermal Remote Sensing".IEEE GEOSCIENCE AND REMOTE SENSING LETTERS 13.12(2016):1885-1889. |
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