A study on the water quality of runoff from forest

Osami Kawara, Manabu Uehara, Kanako Ibaragi

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

The important non-point sources in Japan are urban areas, rice paddy fields and forest. The forest area in river basins occupies about 70 per cent. Furthermore, Japanese forest is usually on steep mountains. Therefore, pollutant loads from the forest cannot be ignored in Japan. In this study, we discuss the seasonal variations of water quality of runoff from forest, and of component runoffs, inter-surface runoff and groundwater runoff, based on observations and on the results separated by a numerical filter. The seasonal variations of water quality and four types of relations between water quality and flow rates of component runoffs were noted.

Original languageEnglish
Pages (from-to)93-98
Number of pages6
JournalWater Science and Technology
Volume39
Issue number12
DOIs
Publication statusPublished - Sep 2 1999
EventProceedings of the 1998 IAWQ 3rd International Conference on Diffuse Pollution - Edinburgh, UK
Duration: Aug 21 1998Sep 4 1998

Keywords

  • Component separation by a numerical filter
  • Forest
  • Observation
  • Water quality of runoff

ASJC Scopus subject areas

  • Environmental Engineering
  • Water Science and Technology

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