| Validation of evapotranspiration and its long-term trends in the Yellow River source region | |
| Liu, Rong1; Wen, Jun1,2; Wang, Xin1; Wang, Zuoliang1 | |
| 刊名 | JOURNAL OF WATER AND CLIMATE CHANGE
 |
| 2017-09-01 | |
| 卷号 | 8期号:3页码:495-509 |
| 关键词 | evapotranspiration long-term trend reanalysis data sets Yellow River source region |
| ISSN号 | 2040-2244 |
| DOI | 10.2166/wcc.2017.134 |
| 通讯作者 | Wen, Jun(jwenen@lzb.ac.cn) |
| 英文摘要 | In this paper, the ground observations were compared to the ERA-Interim, NCEP-DOE AMIP-II Reanalysis, MODIS ET product, and emerging offline SEBS ET data sets in the Yellow River source region of the Tibet Plateau. In general, the slopes of linear least squares exhibit differences, with ERAInterim, NCEP-DOE, MOD16, and SEBS slopes of 0.88 +/- 0.05, 0.64 +/- 0.07, 0.66 +/- 0.17, and 1.24 +/- 0.97 respectively. ERA-Interim was found superior with ground observations to others; therefore, it provided a good representation of the study area. Based on the ERA-Interim ET product, the Sen's slope estimator and the Mann-Kendall (MK) test were applied to quantify the significance of the shifts in trends, while the moving t-test and MK test characterized abrupt changes. The results show that the Yellow River source region experienced a statistical increase in evapotranspiration (ET) in the northern part and a decrease in the southern part of the region from 1979 to 2014 at rates of approximately 1.65 and -0.50 mm/yr, respectively. The shift in the annual ET trend was more pronounced, and abrupt changes were detected in the 1980s. Precipitation was the most dominant factor affecting ET variation, whereas surface temperature was the least influential. |
| 收录类别 | SCI |
| WOS关键词 | ENERGY-BALANCE ; EDDY-COVARIANCE ; PAN EVAPORATION ; REANALYSIS DATA ; SATELLITE DATA ; MANN-KENDALL ; MODIS ; ALGORITHM ; CHINA ; BASIN |
| WOS研究方向 | Water Resources |
| WOS类目 | Water Resources |
| 语种 | 英语 |
| 出版者 | IWA PUBLISHING |
| WOS记录号 | WOS:000410849900010 |
| 内容类型 | 期刊论文 |
| URI标识 | http://www.corc.org.cn/handle/1471x/2557682 |
| 专题 | 寒区旱区环境与工程研究所 |
| 通讯作者 | Wen, Jun |
| 作者单位 | 1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Key Lab Land Surface Proc & Climate Change Cold &, Lanzhou 730000, Gansu, Peoples R China 2.Chengdu Univ Informat Technol, Plateau Atmosphere & Environm Key Lab Sichuan Pro, Coll Atmospher Sci, Chengdu 610225, Sichuan, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Rong,Wen, Jun,Wang, Xin,et al. Validation of evapotranspiration and its long-term trends in the Yellow River source region[J]. JOURNAL OF WATER AND CLIMATE CHANGE,2017,8(3):495-509. |
| APA | Liu, Rong,Wen, Jun,Wang, Xin,&Wang, Zuoliang.(2017).Validation of evapotranspiration and its long-term trends in the Yellow River source region.JOURNAL OF WATER AND CLIMATE CHANGE,8(3),495-509. |
| MLA | Liu, Rong,et al."Validation of evapotranspiration and its long-term trends in the Yellow River source region".JOURNAL OF WATER AND CLIMATE CHANGE 8.3(2017):495-509. |
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