Study on non-point pollutions and impact factors of phosphorus loss by principal component analysis

Shiyang Li, Li Wang, Prasanta Kumar Kalita, Fang Ma

Research output: Contribution to journalArticlepeer-review

Abstract

In order to get a fully understanding of non-point pollution problem in rotation agricultural watershed at the central United States Illinois, USA, Principal component analysis (PCA) was used to do the water quality evaluation of the Little Vermilion River watershed. The PCA approach divided various factors that influence phosphorus transport into three principal components. The first component, botanical component, contained air temperature, cover phenotype, evapotranspiration, cover factor and dry mass factors. The second component contained precipitation and flow, which was defined as hydrologic component. The third component included tillage practices and nitrogen application, and was termed as anthropogenic component. The result showed that the hydrologic component impact phosphorus loss most than other components, especially for subsurface drainage water.

Original languageEnglish (US)
Pages (from-to)57-62
Number of pages6
JournalHarbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology
Volume48
Issue number2
DOIs
StatePublished - Feb 28 2016

Keywords

  • Non-point pollution
  • PCA
  • Phosphorus loss
  • Subsurface drainage system

ASJC Scopus subject areas

  • Engineering(all)

Fingerprint Dive into the research topics of 'Study on non-point pollutions and impact factors of phosphorus loss by principal component analysis'. Together they form a unique fingerprint.

Cite this