A study on seasonal characteristics through long-term water quality monitoring in the Nakdong River Watershed

Byung-Seok KAL; Jaebeom Park; Seongmin Kim; Shin Sangmin; 장순자; 전민재

A study on seasonal characteristics through long-term water quality monitoring in the Nakdong River Watershed

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낙동강유역 장기 수질모니터링을 통한 계절적 특성분석 연구

Type: Academic journal

Author: Byung-Seok KAL ((주)다온솔루션) Jaebeom Park ((주)다온솔루션) Seongmin Kim (국립환경과학원 낙동강물환경연구소) Shin Sangmin (국립환경과학원 낙동강물환경연구소) 장순자 (국립환경과학원 낙동강물환경연구소) 전민재 (국립환경과학원 낙동강물환경연구소)

Journal: 한국습지학회 한국습지학회지 한국습지학회지 제24권 제4호 KCI Accredited Journals

Published: 2022.11

Pages: 301 - 311 (11page)

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A study on seasonal characteristics through long-term water quality monitoring in the Nakdong River Watershed

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The purpose of this study is to analyze the seasonal characteristics of water quality using long-term water quality monitoring data. Seasonal characteristics of water quality were analyzed using monitoring data from 34 tributaries where long-term monitoring was performed in the Nakdong River system, and average data analysis of water quality, coefficient of variation analysis, and trend analysis were performed for seasonal analysis. For seasonal analysis, average data analysis of water quality, coefficient of variation analysis, and trend analysis were performed. As a result of the evaluation of the coefficient of variation, tributaries were larger than main streams, and BOD, T-P, and TOC were larger in autumn and T-N were larger in spring. Trend analysis was analyzed using Mann-Kendall and Sen's Slope. BOD, T-N, and T-P tended to decrease, but TOC had a lot to increase. Through this study, it was possible to evaluate the availability of long-term water quality monitoring data and analyze seasonal characteristics, and to analyze the stabilization period of water quality and changes in pollutant sources for watershed management.

#장기 모니터링 #변동계수 #계절 분석 #Mann-Kendall 분석 #Long-term monitoring #Cofficient of variation #Seasonal Analysis #Mann-Kendall test

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