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Assessment of TRMM 3B43 product for drought monitoring in Singapore

机译：评估新加坡TRMM 3B43干旱监测产品

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摘要

Drought is one of the most hazardous natural disasters for human beings and the environment. Using only rain gauge is insufficient to monitor the drought pattern effectively as it impacts large areas. This situation is more critical on small island countries, with limited rain gauges for monitoring drought pattern over the ocean regions. This study aims to assess the capability of Tropical Rainfall Measuring Mission (TRMM) Multisatellite Precipitation Analysis (TMPA) 3B43 product in monitoring drought in Singapore from 1998 to 2014. The Standardized Precipitation Index (SPI) at various time-scales is used for identifying drought patterns. Results show moderate to good correlations between TMPA-3B43 and rain gauges in the SPI estimations. Besides that, TMPA-3B43 exhibits a similar temporal drought behavior as the rain gauges. These findings indicate the TMPA 3B43 product as a very useful tool to study drought pattern over Singapore.
机译：干旱是人类和环境最危险的自然灾害之一。仅使用雨量计不足以有效监测干旱模式，因为它会影响大面积地区。对于小岛屿国家而言，这种情况更为严峻，因为雨量计有限，无法监测海洋区域的干旱情况。这项研究旨在评估1998年至2014年热带雨量测量任务（TRMM）多卫星降水分析（TMPA）3B43产品在新加坡监测干旱的能力。使用不同时间尺度的标准化降水指数（SPI）来识别干旱模式。结果显示，在SPI估算中，TMPA-3B43与雨量计之间存在中等至良好的相关性。除此之外，TMPA-3B43表现出与雨量计相似的暂时干旱行为。这些发现表明TMPA 3B43产品是研究新加坡干旱模式的非常有用的工具。

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  • 来源
  • 会议地点 Warsaw(PL)
  • 作者

    Mou Leong Tan; Vivien P. Chua; Kok Chooi Tan; K. Brindha;

  • 作者单位

    Geography Section, School of Humanities, Universiti Sains Malaysia, 11800 Penang, Malaysia,Department of Civil and Environmental Engineering, National University of Singapore, Singapore 117576, Singapore;

    Department of Civil and Environmental Engineering, National University of Singapore, Singapore 117576, Singapore;

    School of Physics, Universiti Sains Malaysia, 11800 Penang, Malaysia;

    Department of Civil and Environmental Engineering, National University of Singapore, Singapore 117576, Singapore;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Drought; Monitoring; TRMM; TMPA; 3B43; Precipitation; Singapore;

    机译：干旱;监控； TRMM; TMPA； 3B43;沉淀;新加坡;

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