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首页> 外文期刊>Theoretical and applied climatology >Performance analysis of TRMM satellite in precipitation estimation for the Itapemirim River basin, Espirito Santo state, Brazil
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Performance analysis of TRMM satellite in precipitation estimation for the Itapemirim River basin, Espirito Santo state, Brazil

机译：巴西埃斯塔里塔斯河河畔近米尔河流域降水估算的TRMM卫星绩效分析

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摘要

Rainfall monitoring by using conventional rain gauges usually presents problems related to low pluviometric station densities, failures in historical series, difficult access to the precipitation station sites, and lack of people for operating equipment. In this context, remote sensing precipitation evaluation represents a useful alternative for rainfall characterization and precipitation volume determination. The present work analyzes the estimates of rainfall total values and indications of numbers of rainfall occurrence days by using data collected by the Tropical Rainfall Measuring Mission (TRMM) satellite for the Itapemirim River basin (Espirito Santo, Brazil). There were considered historical series corresponding to twenty (20) pluviometric stations and precipitation data produced by TRMM satellite (product 3B42, version 7) monitoring for a 25-km space network, for the period between 1998 and 2015. It is concluded that the values estimated for precipitation totals and rainfall occurrences for the study area are consistent, indicating that TRMM satellite monitoring may be an adequate alternative for the evaluation of precipitation characteristics in the Itapemirim basin and in other basins that present low rainfall monitoring station densities.
机译：使用传统的雨量仪的降雨监测通常会呈现与低位阻抗站密度有关的问题，历史系列的失败，难以进入降水站网站，以及缺乏用于操作设备的人。在这种情况下，遥感降水评估代表降雨表征和降水量测定的有用替代品。目前的工作通过使用由热带降雨测量使命（TRMM）卫星的数据收集的数据来分析降雨量总价值和迹象的估计数量的itapemirim河流域（Espirito Santo，Brazil）。考虑到1998年至2015年间的TRMM卫星（产品3B42，版本7）监测的TRMM卫星（产品3B42，版本7）监测的历史系列和由TRMM卫星（产品3B42，版本7）的降水数据，这是1998年至2015年期间的时间。值得注意的是估计用于研究区域的降水量和降雨事件是一致的，表明TRMM卫星监测可能是评估Itapemirim盆地和其他盆地的沉淀特性的适当替代方案，这些盆地呈现低降雨监测站密度。

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