Next Article in Journal
Uncertainty Estimation and Evaluation of Shallow Aquifers’ Exploitability: The Case Study of the Adige Valley Aquifer (Italy)
Previous Article in Journal
Runoff Response to Climate Warming and Forest Disturbance in a Mid-Mountain Basin
Article Menu

Export Article

Open AccessArticle
Water 2015, 7(7), 3343-3366; doi:10.3390/w7073343

A Comparative Analysis of Runoff and Soil Loss Characteristics between “Extreme Precipitation Year” and “Normal Precipitation Year” at the Plot Scale: A Case Study in the Loess Plateau in China

1,2,3
,
1
,
1,3,* , 4
and
1,3
1
China Land Surveying and Planning Institute, Key Laboratory of Land Use, Ministry of Land and Resources, Beijing 100035, China
2
College of Forestry, Shanxi Agricultural University, Taigu, Shanxi 030801, China
3
College of Resources Science and Technology, Beijing Normal University, Beijing 100875, China
4
School of Geography, Beijing Normal University, Beijing 100875, China
*
Author to whom correspondence should be addressed.
Academic Editor: Miklas Scholz
Received: 21 April 2015 / Revised: 17 June 2015 / Accepted: 18 June 2015 / Published: 26 June 2015
View Full-Text   |   Download PDF [4988 KB, uploaded 26 June 2015]   |  

Abstract

The highest annual precipitation in Ansai during the past 60 years was observed in 2013. Studying the effects of such extreme annual precipitation on soil erosion can deepen similar research and help predict environmental damage under future extreme rainfall. We selected the runoff plots (area: 4 m × 10 m) of three land-use types: cultivated land (C), wild grassland (W) and switchgrass (S). We monitored corresponding indices in the “extreme year” (2013) and “normal year” (2010–2012). The results were as follows: (1) The rainfall parameters (rainfall amount, EI30, EI60) in the “extreme year” were all higher than those in the “normal year”, especially in July; (2) In July and August, the runoff and soil loss of cultivated land in the “extreme year” increased by 1492.5% and 538.2%, respectively, compared to those in the “normal year”. The silt content of sediment was the highest generally, but the sand content increased relatively in the “extreme year”; (3) The effect of rainfall on soil erosion was the smallest in W; (4) In the “extreme year”, the same EI30 generated more runoff and soil loss than those in the “normal year”. The high antecedent precipitation which would cause high antecedent soil moisture was one of the reasons. The threshold value (100 MJ·mm·ha−1·h−1) of EI30 related to extreme erosion risk was proposed. View Full-Text
Keywords: extreme rainfall; runoff; soil loss; nutrient loss; rainfall characteristics extreme rainfall; runoff; soil loss; nutrient loss; rainfall characteristics
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Feng, Q.; Guo, X.; Zhao, W.; Qiu, Y.; Zhang, X. A Comparative Analysis of Runoff and Soil Loss Characteristics between “Extreme Precipitation Year” and “Normal Precipitation Year” at the Plot Scale: A Case Study in the Loess Plateau in China. Water 2015, 7, 3343-3366.

Show more citation formats Show less citations formats

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Water EISSN 2073-4441 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top