1960-2009年横断山区潜在蒸发量时空变化(英文)

被引：13

作者：

朱国锋 ^{[1
,2
]}

何元庆 ^{[1
,3
]}

蒲焘 ^{[3
]}

王旭峰 ^{[1
,2
]}

贾文雄 ^{[4
]}

李宗省 ^{[1
,2
]}

辛惠娟 ^{[1
,2
]}

机构：

[1] State Key Laboratory of Cryosphere Sciences, Yulong Snow Mountain Glaciers and Environmental Obser-vation Station, Cold and Arid Regions Environmental and Engineering Research Institute, CAS

[2] Graduate University of Chinese Academy of Sciences

[3] Research School of Arid Environment and Climate Change, Lanzhou University

[4] College of Geography and Environment Science, Northwest Normal

来源：

JournalofGeographicalSciences | 2012年 / 22卷 / 01期

关键词：

potential evapotranspiration; Spline interpolation; Penman-Monteith model; spatial and temporal variations; Hengduan Mountains;

D O I：

暂无

中图分类号：

P426.2 [蒸发与蒸散];

学科分类号：

摘要：

Based on the meteorological data of 20 stations in the Hengduan Mountains region during 1961-2009, the annual and seasonal variation of potential evapotranspiration was analyzed in combination with the Penman-Monteith model. With the method of Spline interpolation under ArcGIS, the spatial distribution of potential evapotranspiration was presented to research the regional difference, and the correlation analysis was used to discuss the dominant factor affecting the potential evapotranspiration. The results indicated that the an-nual potential evapotranspiration showed a decreasing tendency since the 1960s, especially from the 1980s to 1990s, while it showed an increasing tendency since 2000. Regional potential evapotranspiration showed a rate of -0.17 mm a?1. Potential evapotranspiration in north, middle and south of the Hengduan Mountains exhibited decreasing trends over the studied period, and its regional trend was on the decline from southwest to northeast.

引用

页码：71 / 85

页数：15

共 13 条

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