一体化型雨雪量计在不同降水条件下的比测分析

Comparative Analysis of Integrated Rain and Snow Gauge under Different Precipitation Conditions

摘要:

文章对2023年7月至2024年6月马尚水文站ZL-YX2020一体化型雨雪量计自计降水量数据与人工观测数据进行比测分析,结果表明:两种仪器降水日数比测合格率为98.5%,日降水量比测合格率为95.4%,月降水量比测合格率为100%,比测相关系数为0.999 9。分析比测误差主要由风吹导致的仪器振动及异物掉落产生的数据误判等因素引起。比测结果表明:ZL-YX2020一体化型雨雪量计仪器稳定性好,自计降水量数据准确度高,剔除异常数据后可将自计降水量数据应用于全年降水量的资料整编。

Abstract:

A comparative analysis was conducted on the self-recording precipitation data from the ZL-YX2020 integrated rain and snow gauge and manual observation data at Mashang Hydrological Station from July 2023 to June 2024. The results showed that the qualification rate of the two instruments in terms of precipitation days was 98.5%, the qualification rate of daily precipitation was 95.4%, the qualification rate of monthly precipitation was 100%, and the correlation coefficient of the comparison was 0.999 9. The analysis indicated that the comparison errors were mainly caused by instrument vibration due to wind and misjudgment of data caused by falling foreign objects. The comparison results showed that the ZL-YX2020 integrated rain and snow gauge has good stability and high accuracy of self-recording precipitation data. After eliminating abnormal data, the self-recording precipitation data can be applied to the data compilation of annual precipitation.