Untangling the effects of climate change and land use/cover change on spatiotemporal variation of evapotranspiration over China
文献类型：期刊论文
| 作者 | Li, Xiaoyang1,2; Zou, Lei1; Xia, Jun1,3; Dou, Ming4; Li, Hongwei5; Song, Zhihong2,3 |
| 刊名 | JOURNAL OF HYDROLOGY
 |
| 出版日期 | 2022-09-01 |
| 卷号 | 612页码:13 |
| ISSN号 | 0022-1694 |
| 关键词 | Evapotranspiration Climate change Land use/land cover change PT-JPL model China |
| DOI | 10.1016/j.jhydrol.2022.128189 |
| 通讯作者 | Zou, Lei(zoulei@igsnrr.ac.cn) |
| 英文摘要 | Evapotranspiration (ET) is sensitive to environmental factors. Accurate assessment of ET and its response to changing environments have important scientific and practical significance. In the context of global climate change, China has experienced tremendous land use/land cover change (LUCC) processes, leaving its ET dynamics and influencing factors still to be determined. Here, the interannual variation and spatial distribution characteristics of ET over China from 2005 to 2020 were analyzed based on the Priestley-Taylor Jet Propulsion Laboratory (PT-JPL) model. Then the separate contributions of climate change and LUCC to ET variation were quantified by controlling the LUCC scenario of the PT-JPL model. Results indicated that the PT-JPL model could accurately capture the variation of ET. The average annual ET over China from 2005 to 2020 was 464.52 mm, displaying a slightly increasing trend (0.46 mm.yr(-1)). The regions of ET increase were mainly concentrated in southern, central, and northeastern China. Separating the contributions of climate change and LUCC to ET revealed that climate change has a more significant effect on ET than LUCC. Among the five climatic factors, the contributions of relative humidity and precipitation to ET variation in dry basins were greater than those in humid or high-altitude basins, while temperature, net radiation, and wind speed showed an opposite performance. Net radiation and temperature were identified as the most critical factors affecting ET on the national scale. According to China's LUCC data from 2005 to 2020, the area conversion between forestlands, grasslands, and croplands was more significant than that between other land cover types. Wetlands and forestlands corresponded to higher ET values among all land cover types, and conversion to other land cover types would cause a decrease in ET. This study can support policymaking to improve water use efficiency and optimize water resource management. |
| WOS关键词 | ENERGY-BALANCE ; PAN EVAPORATION ; SURFACE MODELS ; TRENDS ; FOREST ; PRECIPITATION ; STREAMFLOW ; CATCHMENT ; PRODUCTS ; DYNAMICS |
| 资助项目 | National Natural Science Founda- tion of China[42101043] ; National Natural Science Founda- tion of China[41890822] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA23040304] |
| WOS研究方向 | Engineering ; Geology ; Water Resources |
| 语种 | 英语 |
| 出版者 | ELSEVIER |
| WOS记录号 | WOS:000860595100001 |
| 资助机构 | National Natural Science Founda- tion of China ; Strategic Priority Research Program of the Chinese Academy of Sciences |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/185131]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Zou, Lei |
| 作者单位 | 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Wuhan Univ, State Key Lab Water Resources & Hydropower Engn Sc, Wuhan 430000, Peoples R China 4.Zhengzhou Univ, Sch Ecol & Environm, Zhengzhou 450001, Peoples R China 5.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Urumqi 830011, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Xiaoyang,Zou, Lei,Xia, Jun,et al. Untangling the effects of climate change and land use/cover change on spatiotemporal variation of evapotranspiration over China[J]. JOURNAL OF HYDROLOGY,2022,612:13. |
| APA | Li, Xiaoyang,Zou, Lei,Xia, Jun,Dou, Ming,Li, Hongwei,&Song, Zhihong.(2022).Untangling the effects of climate change and land use/cover change on spatiotemporal variation of evapotranspiration over China.JOURNAL OF HYDROLOGY,612,13. |
| MLA | Li, Xiaoyang,et al."Untangling the effects of climate change and land use/cover change on spatiotemporal variation of evapotranspiration over China".JOURNAL OF HYDROLOGY 612(2022):13. |
入库方式： OAI收割
来源：地理科学与资源研究所
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