| Analysis of pan evaporation of Inner Mongolia in the Yellow River Basin |
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| DOI：10.7606/j.issn.1000-7601.2011.04.46 |
| Key Words: pan evaporation meteorological elements Yellow River Basin |
| Author Name | Affiliation | | CUI Ying | College of Water Conservancy and Civil Engineering, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China | | LIU Tingxi | College of Water Conservancy and Civil Engineering, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China | | DU Yanxia | Hydrological Survey Bureau of Bayannaoer City, Linhe, Inner Mongolia 010050, China |
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| Abstract: |
| The variation of 20 cm pan evaporation in Inner Mongolia in the Yellow River Basin was analyzed based on 20 cm pan evaporation data of 26 weather stations from 1959～2008 by using the method of climate tendency coefficient and climatic trend rate. The results showed that the average annual and average seasonal pan evaporation declined. But the variation of annual evaporation sequences of 26 weather stations was not completely consistent with average pan evaporation of the whole region, it was in fluctuation, and in which spring and summer were the majors. The meteorological elements had different performance in pan evaporation of different regions, “pan evaporation paradox” was not absolutely correct. |
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