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| Content Provider | Springer Nature Link |
|---|---|
| Author | Liang, Liqiao Li, Lijuan Zhang, Li Li, Jiuyi Li, Bin |
| Copyright Year | 2008 |
| Abstract | A non-dimensional relative sensitivity coefficient was employed to predict the responses of reference crop evapotranspiration (ET$_{0}$) to perturbation of four climate variables in Tao’er River Basin of the northeastern China. Mean monthly ET$_{0}$ and yearly ET$_{0}$ from 1961 to 2005 were estimated with the FAO-56 Penman-Monteith Equation. A 45-year historical dataset of average monthly maximum/minimum air temperature, mean air temperature, wind speed, sunshine hours and relative humidity from 15 meteorological stations was used in the analysis. Results show that: 1) Sensitivity coefficients of wind speed, air temperature and sunshine hours were positive except for those of air temperature of Arxan Meteorological Station, while those of relative humidity were all negative. Relative humidity was the most sensitive variable in general for the Tao’er River Basin, followed by sunshine hours, wind speed and air temperature. 2) Similar to climate variable, monthly sensitivity coefficients exhibit large annual fluctuations. 3) Sensitivity coefficients for four climate variables all showed significant trends in seasonal/yearly series. Also, sensitivity coefficients of air temperature, sunshine hours and wind speed all showed significant trends in spring. 4) Among all sensitivity coefficients, the average yearly sensitivity coefficient of relative humidity was highest throughout the basin and showed largest spatial variability. Longitudinal distribution of sensitivity coefficients for air temperature, relative humidity and sunshine hours was also found, which was similar to the distribution of the three climate variables. |
| Starting Page | 340 |
| Ending Page | 347 |
| Page Count | 8 |
| File Format | |
| ISSN | 10020063 |
| Journal | Chinese Geographical Science |
| Volume Number | 18 |
| Issue Number | 4 |
| e-ISSN | 1993064X |
| Language | English |
| Publisher | SP Science Press |
| Publisher Date | 2008-11-26 |
| Publisher Place | Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | reference crop evapotranspiration Penman-Monteith Equation sensitivity coefficient Tao’er River Basin Geography (general) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Earth and Planetary Sciences Geography, Planning and Development |
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