[1]王小博,朱永清,吴宜进,等.不同植被下降雨类型对红壤坡地土壤侵蚀特征的影响[J].水土保持研究,2017,24(02):6-11.
　WANG Xiaobo,ZHU Yongqing,WU Yijin,et al.Effects of Rainfall Regimes on Soil Erosion on Red Soil Slopes Under Different Vegetation Types[J].Research of Soil and Water Conservation,2017,24(02):6-11.
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不同植被下降雨类型对红壤坡地土壤侵蚀特征的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 24 期数: 2017年02期 页码: 6-11 栏目: 出版日期: 2017-04-28
Title:
Effects of Rainfall Regimes on Soil Erosion on Red Soil Slopes Under Different Vegetation Types
作者:
王小博1, 朱永清2, 吴宜进1, 刘晴日1, 葛咏3, 吴曼4
1. 华中师范大学 地理过程分析与模拟湖北省重点实验室, 武汉 430079;
2. 长江水利委员会水土保持监测中心站, 武汉 430010;
3. 中国科学院 地理科学与资源研究所, 北京 100101;
4. 蔡甸区水土保持站, 武汉 430100
Author(s):
WANG Xiaobo1, ZHU Yongqing2, WU Yijin1, LIU Qingri1, GE Yong3, WU Man4
1. Key Laboratory for Geographical Process Analysis & Simulation, Hubei Province, CCNU, Wuhan 430079, China;
2. Soil and Water Conservation Monitoring Center, Changjiang Water Resources Commission, Wuhan 430010, China;
3. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101, China;
4. Caidian Station of Soil and Water Conservation, Wuhan 430100, China
关键词:
水土流失; 红壤坡面; 径流小区; 降雨类型; 植被类型
Keywords:
red soil slope; runoff plot; soil and water loss; rainfall regimes; vegetation type
分类号:
S157.1
摘要:
根据武汉市蔡甸区西湖流域径流小区记录的146场次降雨资料，研究了植被类型和降雨类型对红壤坡面产流量与土壤侵蚀量的影响。基于K均值分类，将当地降雨划分为A型降雨（中雨量、弱雨强、长历时和高频次）、B型降雨（极大雨量、极强雨强、短历时和低频次）、C型降雨（大雨量，强雨强、中等历时和低频次）和D型降雨（小雨量，弱雨强、短历时和高频次）四种雨型。发现裸地与果林地的产流输沙量大，水沙关系稳定，水土保持能力在各类侵蚀性降雨下均较弱，A雨型和C雨型是导致此类坡面土壤侵蚀的主要雨型。阔叶林、针叶林、牧草地和草坪地坡面的产流输沙量小，水沙关系不稳定，植被的水土保持能力总体较强，但是在B雨型下偏弱，B雨型和C雨型是导致此类坡面土壤侵蚀的主要雨型。
Abstract:
In order to understand the relationship between rainfall regimes, vegetation types and red soil erosion processes, collected measurements of 146 rainfall events in runoff plots on red soil slopes with different vegetation types in Xi Lake watershed, Caidian, Wuhan were analyzed. Based on K-means clustering, 146 rainfall events were classified into four rainfall regimes:regime A (medium amount, low intensity, long duration and high frequency of rainfall), regime B (extremely high amounts, extremely high intensity, short duration and low frequency of rainfall), regime C (high amounts, high intensity, medium duration and low frequency of rainfall) and regime D (low amounts, low intensity, short duration and high frequency of rainfall). Processes of soil erosion on the bare slope and the fruit-bearing forest slope had a large amount of runoff generation and sediment yield, a stable runoff-sediment relationship and weak capacity for water and soil conservation. More attention should be paid to rainfall regimes A and C in this type process. Processes of soil erosion on the broadleaved forest slope, coniferous forest slope, herbage slope and lawn slope had a small amount of runoff generation and soil erosion, an unstable runoff-sediment relationship and strong capacity for water and soil conservation under erosive rainfall except rainfall regimes B. More attention should be paid to rainfall regimes B and C in this type process.

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备注/Memo

收稿日期:2016-04-27;改回日期:2016-05-11。
基金项目:华中师范大学中央高校基本科研业务费项目（CCNU16JCZX09）；武汉市蔡甸区水务局西湖流域水土保持科技示范园科技支撑项目（2014040501）；嘉陵江上中游国家重点防治区水土流失动态监测遥感解译技术服务（YZJ2016-016）
作者简介:王小博(1995-),男,江苏南京人,本科生,研究方向:生态遥感与生态模拟。E-mail:wxbwxb1995@163.com
通讯作者:朱永清(1965-),男,湖北武汉人,博士,教授,主要从事水文水资源与土壤侵蚀方向研究。E-mail:1632294587@qq.com

更新日期/Last Update: 1900-01-01