摘要
区域蒸散是陆面生态水文过程的关键环节,也是区域水资源管理和水循环研究的重要内容。因此,研究影响区域蒸散的因子具有十分重要的意义。该文从气候条件和不同下垫面条件对区域蒸散的影响进行了探讨。结果表明:区域蒸散量的大小受自然气候条件如风速、最高温度、相对湿度、日照时数的影响,其中在中国西北地区风速是首要影响因子;地形、土壤因素及土地利用/覆被状况均会对区域蒸散量产生影响。
Regional evapotranspiration（ET）is among the major components of the ecological processes and hydrological processes for land surface and is arguably the most important component of the water cycle and regional water resource management. so it＇s significant to research ET’s impact factor. The effects of climatic conditions and different underlying surface condition to regional ET were discussed The results showed that：（1）natural climate conditions such as wind speed,the highest temperature,relative humidity,sunshine time exert significant influences on regional ET,especially wind speed is the primary influence factors in northwest of china;（2）Regional ET is affected by topography,soil and land use/cover.
出处
《安徽农学通报》
2014年第22期32-33,共2页
Anhui Agricultural Science Bulletin
基金
宁夏大学科学研究基金资助项目(ZR1267)
关键词
区域蒸散
气候
地形
土地利用/覆被
Regional evapotranspiration
Climatic
Topography
Land use/cover
