[1]LIU Lin,ZHANG Zhengyong,YAN Qiao.Spatiotemporal Changes of Potential Evaporation of the Northern Slope in Tianshan Mountains[J].Research of Soil and Water Conservation,2015,22(05):306-311.
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Spatiotemporal Changes of Potential Evaporation of the Northern Slope in Tianshan Mountains
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
22
Number of periods:
2015 05
Page number:
306-311
Column:
Public date:
2015-10-28
- Title:
- Spatiotemporal Changes of Potential Evaporation of the Northern Slope in Tianshan Mountains
- Keywords:
- potential evaporation; spatiotemporal pattern; the northern slope of the Tianshan Mountains; Penman-Monteith model
- CLC:
- P426.2
- DOI:
- -
- Abstract:
- Based on the daily data of 10 meteorological stations from 1960 to 2010, potential evapotranspiration was calculated using the Penman-Monteith Method recommended by FAO. The time changing trend of potential evaporation on the northern slope of Tianshan Mountains was analyzed. Using the method of spline under ArcGIS, the spatial distribution of potential evaporation was drawn in order to research regional difference. And the multivariate regression method was used to examine the dominant factor influencing potential evaporation. The results indicated that there was an increasing trend in general because the changing rate of annual potential evaporation varied at 1.291 mm/10 a; Annual potential evaporation declined since the 1960s, reached to the minimum in 1980s, gradually increased in later part of 1990s and the increase was significant; The potential evaporation decreased in summer, however, increased in other seasons especially in autumn (1.635 mm/10 a). The minimum temperature and average wind speed are the main factors affecting the potential evaporation on northern slope of Tianshan Mountains.
- References:
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1900-01-01