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<p>PERSIANN-CCS-CDR is a global precipitation dataset with 0.04<sup>°</sup> spatial and 3 hourly temporal resolution starting from 1983. However, producing reliable information proved to be a challenging task, primarily due to inconsistencies in input data (e.g., inconsistencies between GridSat-B1 and CPC-4km). Recognizing the existence of these inconsistencies and to address the issues, we introduce the new version of PERSIANN-CCS-CDR, called PERSIANN-CCS-CDR V2.0, the new version consists of two sub-products with the same spatial-temporal properties but different input data and record period: 1) PERSIANN-CCS-CDR-B1, which uses the GridSat-B1 as input and is available since 1983, and 2) PERSIANN-CCS-CDR-CPC, which uses the CPC-4KM as input and is available since March 2000. This paper highlights the limitations of the previous version of PERSIANN-CCS-CDR, introduces PERSIANN-CCS-CDR V2.0, evaluates its performance, and provides guidance for future users on how to effectively utilize the new product.</p>

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A Global High-Resolution Precipitation Climate Record: PERSIANN-CCS-CDR Version 2.0

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年1月29日

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  • Mohammad Bolboli Zadeh,
  • Phu Nguyen,
  • Kuo-Lin Hsu,
  • Amir AghaKouchak,
  • Tu Thanh Ung,
  • Soroosh Sorooshian

摘要

PERSIANN-CCS-CDR is a global precipitation dataset with 0.04° spatial and 3 hourly temporal resolution starting from 1983. However, producing reliable information proved to be a challenging task, primarily due to inconsistencies in input data (e.g., inconsistencies between GridSat-B1 and CPC-4km). Recognizing the existence of these inconsistencies and to address the issues, we introduce the new version of PERSIANN-CCS-CDR, called PERSIANN-CCS-CDR V2.0, the new version consists of two sub-products with the same spatial-temporal properties but different input data and record period: 1) PERSIANN-CCS-CDR-B1, which uses the GridSat-B1 as input and is available since 1983, and 2) PERSIANN-CCS-CDR-CPC, which uses the CPC-4KM as input and is available since March 2000. This paper highlights the limitations of the previous version of PERSIANN-CCS-CDR, introduces PERSIANN-CCS-CDR V2.0, evaluates its performance, and provides guidance for future users on how to effectively utilize the new product.