[1]严丽,蒋碧,庄需印,等.黄土丘陵沟壑区人工草地减沙水代价分析[J].水土保持研究,2015,22(05):62-66.
　YAN Li,JIANG Bi,ZHUANG Xuyin,et al.Cost for Runoff and Sediment Control of Artificial Grassland at the Plot Scale in the Loess Hill and Gully Region[J].Research of Soil and Water Conservation,2015,22(05):62-66.
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黄土丘陵沟壑区人工草地减沙水代价分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 22 期数: 2015年05期 页码: 62-66 栏目: 出版日期: 2015-10-28
Title:
Cost for Runoff and Sediment Control of Artificial Grassland at the Plot Scale in the Loess Hill and Gully Region
作者:
严丽1, 蒋碧1, 庄需印1, 王飞2
1. 衢州市水利水电勘测设计有限公司, 浙江 衢州 324000;
2. 西北农林科技大学 中国科学院 水利部 水土保持研究所, 陕西 杨凌 712100
Author(s):
YAN Li1, JIANG Bi1, ZHUANG Xuyin1, WANG Fei2
1. Quzhou Design Co., Ltd. of Water Conservancy & Hrdropower, Quzhou, Zhejiang 324000, China;
2. Institute of Soil, Water Conservation, Northwest A & F University, Chinese Academy of Sciences, Ministry of Water Resources, Yangling, Shaanxi 712100, China
关键词:
黄土丘陵沟壑区; 人工草地; 减沙水代价; 径流; 泥沙
Keywords:
loess hill and gully region; artificial grass; cost of water and sediment control; runoff; sediment
分类号:
P333.4;S157.2
摘要:
以裸坡农地为对照，根据黄土丘陵沟壑区三大副区人工草地径流小区多年的观测资料，系统分析了黄土丘陵沟壑区人工草地减沙水代价（Rrs）特征及其与各影响因素之间的关系。结果表明：人工草地在不同地区其平均Rrs存在差异，且变化幅度较大，整体上丘陵沟壑第二副区大于第一副区和第三副区；不同牧草轮作下条播草木樨的Rrs最大，较自然草坡高25%，其Rrs表现为：条播草木樨 > 撒播苜蓿 > 草木樨 > 苜蓿 > 自然草坡；草田带状间轮作的Rrs表现为：草木樨/农作物 > 苜蓿/农作物，且草田带状间轮作的Rrs明显高于牧草轮作；人工草地Rrs与汛期降水量、侵蚀模数呈较好的指数反比关系，与最大30 min降雨强度（I30）呈线性反比关系。
Abstract:
The study was conducted to compare cost for water and sediment control (Rrs) of different artificial grasses based on perennially monitoring data of loess hill and gully region and the bare slope set as control. And then the characteristics of Rrs of artificial grass and the relations among various influence factors were systematically analyzed. The results showed that the average Rrs of the artificial grass were different in different regions and had large differences, the average Rrs of the artificial grass of the second sub-region of hill and gully area of the Loess Plateau is greater than the first and the third sub-regions; for different forage managements, Rrs of sweet clover rotation is 25% greater than that of the natural grass slope. The Rrs of forages decreased in the order: drilling Melilotus suaveolwna > broadcasting Medicago sativa > Melilotus suaveolwna > Medicago sativa > slope with natural grass. The Rrs of grass rotation decreased in the order: Melilotus suaveolwna > Medicago sativa and it was bigger than that of forage rotation; the Rrs of artificial grass and precipitation, soil erosion modulus presented the inverse exponential correlations, Rrs of grass measures and I30 showed the good inversely linear relationship.

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备注/Memo

收稿日期:2014-03-20;改回日期:2014-11-14。
基金项目:国家自然科学基金资助项目（41171420）；中国科学院重点部署项目（KZZD-EW-04-07-04）
作者简介:严丽(1985-),女,甘肃武威人,助理工程师,硕士研究生,主要从事水土保持方案编制、水土保持规划研究。E-mail:yl821629@126.com
通讯作者:王飞(1971-),男,陕西户县人,副研究员,硕士生导师,主要从事水土保持环境效应评价与流域管理研究。E-mail:wafe@ms.iswc.ac.cn

更新日期/Last Update: 1900-01-01