Mechanism of contour hedgerow's control for non-point pollution in the semiarid region in Northwest Hebei Province

Z. Tang, Q. Cai, F. Xu, S. Li, Z. Wang

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Slope nutrient loss is an important type of non-point pollution. The mechanism of non-point pollution control by using plenty of natural observed data in Hilly Loess region in Northwest Hebei Province, as well as combating with the large-scale artificial simulation rainfall in the field slope was analyzed. The study results show that the critical slope length was 10 ∼ 15m on the condition of rainstorm, which led to the generation of rill and made the erosion amount went up obviously. The study show that the nutrient loss in sediment was the main type of non-point pollution, the contour hedgerow the process of non-point pollution by controlling the nutrient loss in sediment, then the study got the erosion control model of the contour hedgerow.

Original languageEnglish (US)
Pages (from-to)86-90
Number of pages5
JournalHuanjing Kexue/Environmental Science
Volume22
Issue number6
StatePublished - Nov 1 2001
Externally publishedYes

Fingerprint

hedgerow
nutrient loss
semiarid region
Nutrients
Pollution
pollution
Erosion
Sediments
rill
Pollution control
rainstorm
erosion control
pollution control
sediment
loess
Rain
erosion
rainfall
simulation
province

Keywords

  • Contour hedgerow
  • Non-point pollution
  • Semiarid region

ASJC Scopus subject areas

  • Environmental Science(all)

Cite this

Mechanism of contour hedgerow's control for non-point pollution in the semiarid region in Northwest Hebei Province. / Tang, Z.; Cai, Q.; Xu, F.; Li, S.; Wang, Z.

In: Huanjing Kexue/Environmental Science, Vol. 22, No. 6, 01.11.2001, p. 86-90.

Research output: Contribution to journalArticle

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