Interannual Variabilities in the Onset and Demise of Rainy Season: Implications for Water Management

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成果类型：

期刊论文

作者：

Long, Yuannan;Zheng, Moruo;He, Huaiguang;Yan, Shixiong

通讯作者：

Long, YN

作者机构：

[Long, Yuannan; Zheng, Moruo; Long, YN; Yan, Shixiong] Changsha Univ Sci & Technol, Sch Hydraul & Environm Engn, Changsha 410114, Peoples R China.

[Long, Yuannan; Long, YN] Key Lab Dongting Lake Aquat Ecoenvironm Control &, Changsha 410114, Peoples R China.

[Long, Yuannan; Long, YN] Key Lab Water Sediment Sci & Water Disaster Preven, Changsha 410114, Peoples R China.

[He, Huaiguang] Hunan Inst Water Resources & Hydropower Res, Changsha 410007, Peoples R China.

通讯机构：

[Long, YN ] C

Changsha Univ Sci & Technol, Sch Hydraul & Environm Engn, Changsha 410114, Peoples R China.

Key Lab Dongting Lake Aquat Ecoenvironm Control &, Changsha 410114, Peoples R China.

Key Lab Water Sediment Sci & Water Disaster Preven, Changsha 410114, Peoples R China.

语种：

英文

关键词：

Onset and demise;Rainy season;Xiang River Basin;Cumulative rainfall deficit;Soil moisture

期刊：

Water Resources Management

ISSN：

0920-4741

年：

2023

卷：

期：

页码：

4933-4948

DOI：

10.1007/s11269-023-03589-8

基金类别：

This research was partially supported by the National Natural Science Foundation of China (52079010), Key Research & Development Plan of Hunan Province, China (2020SK2130), the Scientific Research Fund of Hunan Provincial Education Department, China (22A0206) and Water Conservancy Science and Technology Project of Hunan Province, China (XSKJ2021000-25).

机构署名：

本校为第一且通讯机构

院系归属：

水利工程学院

摘要：

This study examines potential changes in the summer rainy season of a watershed, using a cumulative rainy deficit curve to define the onset and demise of the rainy season. Historical daily rainfall data from 41 gauge stations within the Xiang River Basin in 1960-2017 were analyzed. Results indicate that the climatology of the onset date is Julian day 72 and the climatology of the demise date is Julian day 236. There is, however, a difference between the two segments, e.g., 1960-1989 and 1990-2017. The median rainy season duration in 1990-2017 is 138 days. This is larger than that of 1960-1989,...

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Interannual Variabilities in the Onset and Demise of Rainy Season: Implications for Water Management

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