Effect of Nutrient Inputs on Water Quality Change and Phytoplankton Growth in Atsumi Bay

被引：1
|
作者：
Mahlil, Teuku [1 ,2 ,3 ]
Inoue, Takanobu [2 ,3 ]
Matsumoto, Yoshitaka [4 ]
Aoki, Shinichi [5 ]
Kato, Shigeru [2 ,3 ]
Yokota, Kuriko [2 ,3 ]
Rasul, Ernawaty [6 ]
Saga, Makoto [2 ,3 ]
机构：
[1] Univ Pertamina, Dept Environm Engn, Jalan Teuku Nyak Arief, Jakarta 12220, Indonesia
[2] Toyohashi Univ Technol, Dept Architecture, 1-1 Hibarigaoka,Tenpaku Cho, Toyohashi, Aichi 4418580, Japan
[3] Toyohashi Univ Technol, Dept Civil Engn, 1-1 Hibarigaoka,Tenpaku Cho, Toyohashi, Aichi 4418580, Japan
[4] Toyota Natl Coll Technol, Dept Civil Engn, 2-1 Eisei Cho, Toyota, Aichi 4718525, Japan
[5] Osaka Univ, Grad Sch Engn, Dept Civil Engn, 2-1 Yamadaoka, Suita, Osaka 5650871, Japan
[6] Minist Hlth Republ Indonesia, Environm Hlth Engn & Dis Control Off Makassar, Jalan Wijaya Kusuma Raya 29-31, Makassar 90224, South Sulawesi, Indonesia
来源：
JOURNAL OF ENGINEERING AND TECHNOLOGICAL SCIENCES | 2018年 / 50卷 / 04期
关键词：
Atsumi Bay; chlorophyll a; eutrophication; nitrogen; phosphorus; rainfall; Umeda River;
D O I：
10.5614/j.eng.technol.sci.2018.50.4.7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Eutrophication in an estuary occurs as an effect of the enrichment of nutrient inputs from rivers. This condition has become one of the most common environmental issues experienced around the globe and especially in Japan. Atsumi Bay is a eutrophic coastal area in Japan. The objective of this research was to analyze the influences of nutrient inputs from the Umeda River into Atsumi Bay on pre-and post-rainfall water quality conditions. This study was conducted from July to October 2010. The results showed a decrease of surface salinity after rainfall indicating that huge freshwater inputs had overlaid the surface layer of Atsumi Bay rather than the bottom layer. Moreover, post-rainfall conditions showed an increase of chlorophyll a as an effect of phytoplankton growth, followed by an increase of particulate nutrients. On the other hand, dissolved nutrients decreased due to uptake by phytoplankton and dilution by freshwater.
引用
收藏
页码：548 / 565
页数：18
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