紫色土不同土地利用方式下降雨入渗试验研究

CORC > 成都山地灾害与环境研究所 > 中国科学院水利部成都山地灾害与环境研究所 > 成都山地所知识仓储（2009年以前）

	紫色土不同土地利用方式下降雨入渗试验研究
	傅斌; 王玉宽
刊名	水土保持研究
	2009-06-15
卷号	16 期号:3 页码:20-23
关键词	紫色土不同土地利用模拟降雨降雨入渗
其他题名	Rain Infiltration Experiment Study Under Different Land Use Types of Purple Soil
通讯作者	王玉宽
合作状况	其它
中文摘要	降雨入渗是坡面水文过程的重要环节。运用Norton型下喷式人工模拟降雨机,通过原位布置试验径流小区进行人工模拟降雨试验,探讨紫色土林地、草地和耕地的降雨入渗特征。结果表明,紫色土不同土地利用方式下降雨入渗过程差异显著。原状林地和原状草地的降雨入渗率随时间变化缓慢,耕地、处理林地和处理草地的降雨入渗率随时间变化剧烈。稳定入渗率在不同降雨强度下均呈现为原状林地>原状草地>耕地>处理草地>处理林地。对比不同土地利用方式下的入渗率差异并分析其原因,认为在土壤初始含水条件基本一致的情况下,影响紫色土原状林地和原状草地降雨入渗的主导因素是降雨强度和植被的水文功能,影响紫色土耕地、处理林地和处理草地降雨入渗的主导因素是降雨强度和土壤理化性质。
英文摘要	Rainfall infilt ration is important link of hydrology processes produced by nat ural rain on slope. This text uses Norton rever se jet artificial simulation of rainfall devices to investigate the rainfall infilt ra2 tion feature of forestland and grassland on p urple soil by simulated rainfall test on t he in2sit u runoff plot . The result s showed t hat t he rainfall infilt ration feat ures have significant difference among different land use types on p urple soil. The rainfall infilt ration of undisturbed forestland and undisturbed grassland changed slowly with time. The rainfall infilt ration of farmland , t reated forestland and t reated grassland varied a2 cutely wit h time. The stable infilt ration rate were undist urbed forestland > undisturbed grassland > farm2 land > t reated grassland > t reated forestland under different rainfall intensity. Comparing t he differences of rainfall filt ration rate of various land use and analyzing the reasons for t he differences , it was found that , under t he same initial soil moist ure condition , rainfall intensity and t he hydrologic f unction of vegetation were t he decisive factor s t hat affected the rainfall infilt ration rate of undist urbed forestland and undist urbed grassland of p urple soil . Rainfall intensity and soil physical and chemical properties were decisive factors that af2 fected the rainfall infiltration rate of farmland , treated forestland and treated grassland of purple soil.
资助信息	国家973计划项目(2007CB407206);国家自然科学基金项目(40771123)
语种	中文
公开日期	2010-08-31
内容类型	期刊论文
源URL	[http://ir.imde.ac.cn/handle/131551/1738]
专题	成都山地灾害与环境研究所_成都山地所知识仓储（2009年以前）成都山地灾害与环境研究所_山区发展研究中心
推荐引用方式 GB/T 7714	傅斌,王玉宽. 紫色土不同土地利用方式下降雨入渗试验研究[J]. 水土保持研究,2009,16(3):20-23.
APA	傅斌,&王玉宽.(2009).紫色土不同土地利用方式下降雨入渗试验研究.水土保持研究,16(3),20-23.
MLA	傅斌,et al."紫色土不同土地利用方式下降雨入渗试验研究".水土保持研究 16.3(2009):20-23.