Common Errors and Countermeasures for Evaporation Records in Strong Precipitation Weather
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Abstract:
The analysis of the evaporation records in July and August 2009 over Shandong Province indicate that the number of fault records in strong precipitation weather was up to 18.6, and the main reasons include that the observers’ understanding of the relevant observation stands was not correct, and that the checkers’ understanding of the stands was too inflexible, consequently making an arbitrary conclusion. Based on the evaporation data of Dezhou from 2000 to 2010 and the plain from 2008 to 2010 in strong precipitation weather, a comparison was conducted between before and after certain countermeasures being taking, and the results indicate that the liquid precipitation method by increasing the overflow barrel is best, but it is not applicable to solid precipitation; the covering method is simple, easy, suitable for both liquid and solid precipitation, but only suitable while there is an observer on duty. Therefore, appropriate measures should be taken according to the different natures of precipitation, to ensure the accuracy of evaporation records.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.