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气象:1989,15(1):22-27
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天山乌鲁木齐河源夏季降水观测中的动力损失及其修正
(1.中国科学院兰州冰川冻土研究所;2.中国科学院南京地理研究所)
Analysis and correction of wind effects on precipitation measurements at the head of Urumqi river during summer
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中文摘要: 本文论述雨量计观测降水中动力损失的概念及其影响因素。通过不同雨量计观测降水对比实验资料的分析,评价了不同降水形态下各种防风圈的防风作用;揭示雨量计捕捉降水率与降水时段平均风速的关系,建立修正方案,确定真实降水量,修正乌鲁木齐河源夏季降水观测中的动力损失量。
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Abstract:The concept of wind effects on precipitation measurements is intro-duced. Based on the comparative, measurements obtained with different , gauges, the efficiency of wind shields under, different precipitation conditions and the relationships between the capture rate of a gauge and the average wind speed are determined.With the correction of the errors caused by wind effects in precipitation measurements, relatively accurate values of summer precipitation at the observation point (43°06/N, 87°15'E; 3588m, a.s.l.) in the source area of Urumqi river is obtained.
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引用文本:
杨大庆,康尔泗,张寅生,姜彤,1989.天山乌鲁木齐河源夏季降水观测中的动力损失及其修正[J].气象,15(1):22-27.
,1989.Analysis and correction of wind effects on precipitation measurements at the head of Urumqi river during summer[J].Meteor Mon,15(1):22-27.