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当前位置: 首页 > 文章 > 淮河流域潜在蒸散量的变化特征及其与气候因子的关系分析——以蚌埠市为例 安徽农业科学 2016,44 (29) 186-188
Position: Home > Articles > Variational Behavior of Potential Evapotranspiration in Huaihe River Basin and Its Relationship with Climate Factors——A Case Study in Bengbu City Journal of Anhui Agricultural Sciences 2016,44 (29) 186-188

淮河流域潜在蒸散量的变化特征及其与气候因子的关系分析——以蚌埠市为例

作  者：
姜敏;高磊
单  位：
南京大学环境规划设计研究院有限公司;江苏省测绘工程院
关键词：
淮河流域;潜在蒸散量;变化特征;气候因子;相关关系
摘  要：
[目的]探明淮河流域水分盈亏与气候的内在联系。[方法]以蚌埠市为例,利用FAO推荐的Penman-Monteith方法计算该地区2006—2015年逐日潜在蒸散量,分析潜在蒸散的年均、月均变化特征,以及与风速、降水量、日照时数、气温等气候因子旬平均值的关系。[结果]近10年蚌埠市潜在蒸散发接近多年平均降雨量,总体呈下降趋势,但近3年起伏较大;蒸散量年内分布不均,呈单峰型,夏季多、冬季少,与降雨期基本同步;气温和日照时数对潜在蒸散的影响最大,降雨量对其间接产生影响,而风速对其影响不大。[结论]该研究可为该地区缓解水资源供需矛盾、合理制定用水计划提供参考。
译  名：
Variational Behavior of Potential Evapotranspiration in Huaihe River Basin and Its Relationship with Climate Factors——A Case Study in Bengbu City
作  者：
JIANG Min;GAO Lei;Institute of Environmental Planning & Design Co.Ltd,Nanjing University;Survey Engineering Institute of Jiangsu Province;
关键词：
Huaihe River Basin;;Potential evapotranspiration;;Variation characteristics;;Climate factors;;Correlation
摘  要：
[Objective] The aim was to explore the intrinsic link between moisture and climate in Huaihe River Basin.[Method] With Bengbu City as an example,daily potential evapotranspiration during 2006- 2015 was calculated by Penman- Monteith method recommended by FAP.The annual,monthly variation features of potential evapotranspiration were analyzed,as well as its relationship with ten- day average of climate factors such as wind speed,precipitation,sunshine hours,temperature. [Result] The results showed that in recent 10 years,the potential evapotranspiration of Bengbu City was close to the average rainfall for many years,it had a downward trend in general but a big fluctuation in recent 3years; the distribution of evapotranspiration was uneven within a year,indicating a single peak type,more in summer and less in winter; temperature and sunshine duration had the greatest influence on the potential evapotranspiration,rainfall had an indirect effect and wind speed had little effect on potential evapotranspiration.[Conclusion]The study can provide reference for alleviating the contradiction between water supply and demand,formulating appropriate water use plan.

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