Citation

The coupling effect of rainfall extremes and vegetation types on runoff and soil erosion in the loess hilly area, China

Abstract | Word Stems | Keywords | Association | Citation | Get this Document | Similar Titles



Abstract:

The main purpose of this article is to discuss the response of water erosion to vegetation under extreme rainfall events. Rainfall depth and maximal 30-min rainfall intensity were used to define extreme events and discussed their effects on water erosion in a semiarid loess hilly area in Dingxi, Gansu province, China. A total of thirteen extreme events were determined based on precipitation data from 1986 to 2005. Then, the effects of extreme rainfall on hydrological erosion under different vegetation types were analyzed. The following findings were uncovered. (1) Extreme rainfall were not only included those events with extremely high intensities, extreme events with lower intensities and long durations were also involved. Extreme rainfall occurs mostly during July and August. (2) Generally, extreme rainfall events caused more severe hydrological destruction than did common ones. The specific effect of each event on water erosion, however, become complex and uncertain due to the differences of rainfall variables, occurring time, frequency, vegetation dynamics and soil conditions. (3) Different types of vegetation had different hydrological sensitivities and responses to extreme rainfall events. The buffering capacity of different vegetation types on extreme events. in descending order was: sea buckthorn > wheatgrass > Chinese pine > alfalfa > spring wheat. In order to fight against soil erosion effectively, therefore, more special attention should be paid to the occurrence, distribution, dynamics and impacts of extreme rainfall. Shrubs such as sea buckthorn are greatly recommended as pioneer species on semiarid loess hilly areas. Steep cultivation should be avoided.
Convention
All Academic Convention can solve the abstract management needs for any association's annual meeting.
Submission - Custom fields, multiple submission types, tracks, audio visual, multiple upload formats, automatic conversion to pdf.Review - Peer Review, Bulk reviewer assignment, bulk emails, ranking, z-score statistics, and multiple worksheets!
Reports - Many standard and custom reports generated while you wait. Print programs with participant indexes, event grids, and more!Scheduling - Flexible and convenient grid scheduling within rooms and buildings. Conflict checking and advanced filtering.
Communication - Bulk email tools to help your administrators send reminders and responses. Use form letters, a message center, and much more!Management - Search tools, duplicate people management, editing tools, submission transfers, many tools to manage a variety of conference management headaches!
Click here for more information.

Association:
Name: SOIL AND WATER CONSERVATION SOCIETY
URL:
http://www.swcs.org


Citation:
URL: http://citation.allacademic.com/meta/p235390_index.html
Direct Link:
HTML Code:

MLA Citation:

Wei, Wei. "The coupling effect of rainfall extremes and vegetation types on runoff and soil erosion in the loess hilly area, China" Paper presented at the annual meeting of the SOIL AND WATER CONSERVATION SOCIETY, TBA, Tucson, Arizona, Jul 26, 2008 <Not Available>. 2013-12-14 <http://citation.allacademic.com/meta/p235390_index.html>

APA Citation:

Wei, W. , 2008-07-26 "The coupling effect of rainfall extremes and vegetation types on runoff and soil erosion in the loess hilly area, China" Paper presented at the annual meeting of the SOIL AND WATER CONSERVATION SOCIETY, TBA, Tucson, Arizona <Not Available>. 2013-12-14 from http://citation.allacademic.com/meta/p235390_index.html

Publication Type: Oral Presentation
Abstract: The main purpose of this article is to discuss the response of water erosion to vegetation under extreme rainfall events. Rainfall depth and maximal 30-min rainfall intensity were used to define extreme events and discussed their effects on water erosion in a semiarid loess hilly area in Dingxi, Gansu province, China. A total of thirteen extreme events were determined based on precipitation data from 1986 to 2005. Then, the effects of extreme rainfall on hydrological erosion under different vegetation types were analyzed. The following findings were uncovered. (1) Extreme rainfall were not only included those events with extremely high intensities, extreme events with lower intensities and long durations were also involved. Extreme rainfall occurs mostly during July and August. (2) Generally, extreme rainfall events caused more severe hydrological destruction than did common ones. The specific effect of each event on water erosion, however, become complex and uncertain due to the differences of rainfall variables, occurring time, frequency, vegetation dynamics and soil conditions. (3) Different types of vegetation had different hydrological sensitivities and responses to extreme rainfall events. The buffering capacity of different vegetation types on extreme events. in descending order was: sea buckthorn > wheatgrass > Chinese pine > alfalfa > spring wheat. In order to fight against soil erosion effectively, therefore, more special attention should be paid to the occurrence, distribution, dynamics and impacts of extreme rainfall. Shrubs such as sea buckthorn are greatly recommended as pioneer species on semiarid loess hilly areas. Steep cultivation should be avoided.

Get this Document:

Find this citation or document at one or all of these locations below. The links below may have the citation or the entire document for free or you may purchase access to the document. Clicking on these links will change the site you're on and empty your shopping cart.

Associated Document Available SOIL AND WATER CONSERVATION SOCIETY
Associated Document Available Access Fee All Academic Inc.


Similar Titles:
Relationship between farmland shelterbelts and water erosion in rolling-hill area of black soil region in Northeast China

A study of the effectiveness of teacher training in remote or rural areas in China

Estimation of Rainfall Erosivity for Soil Loss Prediction in China.


 
All Academic, Inc. is your premier source for research and conference management. Visit our website, www.allacademic.com, to see how we can help you today.