Characterization and source identification of organic matter in view of land uses and heavy rainfall in the Lake Shihwa, Korea
- Authors
- Lee, Yeonjung; Hur, Jin; Shin, Kyung-Hoon
- Issue Date
- Jul-2014
- Publisher
- Pergamon Press Ltd.
- Keywords
- Lake Shihwa; Organic matter; Stable isotope ratio; Synchronous fluorescence spectra; Multiple sources
- Citation
- Marine Pollution Bulletin, v.84, no.1-2, pp.322 - 329
- Indexed
- SCIE
SCOPUS
- Journal Title
- Marine Pollution Bulletin
- Volume
- 84
- Number
- 1-2
- Start Page
- 322
- End Page
- 329
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/22368
- DOI
- 10.1016/j.marpolbul.2014.04.033
- ISSN
- 0025-326X
- Abstract
- The characteristics and sources of organic matter in water of the Lake Shihwa, which receives inputs from rural, urban, and industrial areas, were evaluated by examining the biodegradable organic carbon concentration, fluorescence spectra, and carbon and nitrogen isotope ratios, especially during rainy season and dry season. The organic matter transported from rural areas was of refractory nature, while that of industrial origin decomposed rapidly. As compared to the dry season, the organic matter in the rainy season was characterized by a reduced labile fraction. During the dry season, the autochthonous organic matter dominated in the lake, however, the contributions of allochthonous organic sources by industrial and rural areas significantly increased at rainy season. This investigation revealed that the transport of organic matter of anthropogenic origin to the Lake Shihwa was mainly influenced by heavy rainfall. Moreover, each anthropogenic source could differently influence the occurrence of organic matter in water of the Lake Shihwa. (C) 2014 Elsevier Ltd. All rights reserved.
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