Water quality characteristics of forest rivers around Lake Biwa

S. Fujii; I. Somiya; H. Nagare; S. Serizawa

doi:10.2166/wst.2001.0282

Water quality characteristics of forest rivers around Lake Biwa

S. Fujii, I. Somiya, H. Nagare, S. Serizawa

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Forest river surveys were carried out at upper streams of several rivers in the Lake Biwa watershed to understand the water quality characteristics of the rivers, and to find out their relationships with forest features such as geographical, geological and vegetational data. The results showed: (1) Forests have some purification functions for nitrogen and organic matter, but become sources for most of ionic species. (2) Main mineral species in forest rivers are Ca²⁺, Mg²⁺ and Na⁺, HCO₃^-, CO₃^2-, Cl^-, SO₄^2- and SiO₂. (3) Loading from forests was 0.4-7 kg/km²/d for TN and 0.01-0.3 kg/km²/d for TP. (4) River quality reflects the properties of each forest, and is unique to the place, especially in ionic species such as Ca²⁺ and Cl^-. (5) A cluster analysis successfully categorized ionic components into several groups.

Original language	English
Pages (from-to)	183-192
Number of pages	10
Journal	Water Science and Technology
Volume	43
Issue number	5
DOIs	https://doi.org/10.2166/wst.2001.0282
Publication status	Published - 2001
Externally published	Yes

Keywords

Forests
Geological features
Ionic species
Lake Biwa
River loading
Vegetation

ASJC Scopus subject areas

Environmental Engineering
Water Science and Technology

Access to Document

10.2166/wst.2001.0282

Cite this

@article{f8043034d13d4769a4e3161cced562bb,

title = "Water quality characteristics of forest rivers around Lake Biwa",

abstract = "Forest river surveys were carried out at upper streams of several rivers in the Lake Biwa watershed to understand the water quality characteristics of the rivers, and to find out their relationships with forest features such as geographical, geological and vegetational data. The results showed: (1) Forests have some purification functions for nitrogen and organic matter, but become sources for most of ionic species. (2) Main mineral species in forest rivers are Ca2+, Mg2+ and Na+, HCO3-, CO32-, Cl-, SO42- and SiO2. (3) Loading from forests was 0.4-7 kg/km2/d for TN and 0.01-0.3 kg/km2/d for TP. (4) River quality reflects the properties of each forest, and is unique to the place, especially in ionic species such as Ca2+ and Cl-. (5) A cluster analysis successfully categorized ionic components into several groups.",

keywords = "Forests, Geological features, Ionic species, Lake Biwa, River loading, Vegetation",

author = "S. Fujii and I. Somiya and H. Nagare and S. Serizawa",

year = "2001",

doi = "10.2166/wst.2001.0282",

language = "English",

volume = "43",

pages = "183--192",

journal = "Water Science and Technology",

issn = "0273-1223",

publisher = "IWA Publishing",

number = "5",

}

TY - JOUR

T1 - Water quality characteristics of forest rivers around Lake Biwa

AU - Fujii, S.

AU - Somiya, I.

AU - Nagare, H.

AU - Serizawa, S.

PY - 2001

Y1 - 2001

N2 - Forest river surveys were carried out at upper streams of several rivers in the Lake Biwa watershed to understand the water quality characteristics of the rivers, and to find out their relationships with forest features such as geographical, geological and vegetational data. The results showed: (1) Forests have some purification functions for nitrogen and organic matter, but become sources for most of ionic species. (2) Main mineral species in forest rivers are Ca2+, Mg2+ and Na+, HCO3-, CO32-, Cl-, SO42- and SiO2. (3) Loading from forests was 0.4-7 kg/km2/d for TN and 0.01-0.3 kg/km2/d for TP. (4) River quality reflects the properties of each forest, and is unique to the place, especially in ionic species such as Ca2+ and Cl-. (5) A cluster analysis successfully categorized ionic components into several groups.

AB - Forest river surveys were carried out at upper streams of several rivers in the Lake Biwa watershed to understand the water quality characteristics of the rivers, and to find out their relationships with forest features such as geographical, geological and vegetational data. The results showed: (1) Forests have some purification functions for nitrogen and organic matter, but become sources for most of ionic species. (2) Main mineral species in forest rivers are Ca2+, Mg2+ and Na+, HCO3-, CO32-, Cl-, SO42- and SiO2. (3) Loading from forests was 0.4-7 kg/km2/d for TN and 0.01-0.3 kg/km2/d for TP. (4) River quality reflects the properties of each forest, and is unique to the place, especially in ionic species such as Ca2+ and Cl-. (5) A cluster analysis successfully categorized ionic components into several groups.

KW - Forests

KW - Geological features

KW - Ionic species

KW - Lake Biwa

KW - River loading

KW - Vegetation

UR - http://www.scopus.com/inward/record.url?scp=0035032338&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0035032338&partnerID=8YFLogxK

U2 - 10.2166/wst.2001.0282

DO - 10.2166/wst.2001.0282

M3 - Article

C2 - 11379131

AN - SCOPUS:0035032338

SN - 0273-1223

VL - 43

SP - 183

EP - 192

JO - Water Science and Technology

JF - Water Science and Technology

IS - 5

ER -

Water quality characteristics of forest rivers around Lake Biwa

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this