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논문 기본 정보

자료유형
학술저널
저자정보
I Chan Shin (University of Shiga Prefecture) Tetsuji Akatsuka (University of Shiga Prefecture) Hisayuki Azumi (University of Shiga Prefecture) Lan Ao (University of Shiga Prefecture) Nozomi Amahashi (University of Shiga Prefecture) Maki Oyagi (Yokkaichi University) Noriko Ishida (Environmental Engineering Aichi Institute of Technology) Naoshige Goto (University of Shiga Prefecture) Masahiro Maruo (University of Shiga Prefecture) Akihiko Yagi (Nagoya Women’s University) Yashshi Seike (Shimane University) Seung Hyun Lee (Nakdonggang National Institute of Biological Resources) Sung Ae Yoon (National Institute of Environmental Research) Jun Kil Choi (Sangji University) Young Woong Byeon (RDA) Byung Mo Lee (RDA) Osamu Mitamura (University of Shiga Prefecture) Kwang Jin Cho (National institute of Ecology)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제26권 제5호
발행연도
2021.10
수록면
79 - 88 (10page)

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초록· 키워드

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To determine the grain size distribution and chemical characteristics of bottom surface sediments in shallow brackish lagoons, we studied sediment samples collected from the entire horizontal lake area and in vertical profiles from three stations in Lakes Youngrang and Hwajinpo, on the eastern coast of Korea. Vertical and horizontal grain size distributions of the bottom sediments indicated predominantly sand- and silt in both lakes. The vertical distribution of C/N ratios ranged from 6.14 to 11.92 in Lake Youngrang, and 6.74 to 12.34 in Lake Hwajinpo. The horizontal distribution of C/N ratios in Lake Youngrang ranged from 6.1 to 17.6, whereas they ranged from 4.4 to 12.1 in Lake Hwajinpo. C/N ratios showed locally different responses to the origin of allochthonous (partial region) and autochthonous (entire region) organic materials. Horizontally, bottom sediment with low δ<SUP>13</SUP>C and high δ<SUP>15</SUP>N in Lake Youngrang were likely to be influenced by autochthonous organic material derived from primary production, and would be affected by N inputs from sources. In contrast, high δ<SUP>13</SUP>C and low δ<SUP>15</SUP>N sediments in Lake Hwajinpo were likely to be influenced by cyanobacteria.

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ABSTRACT
1. Introduction
2. Materials and methods
3. Results and Discussion
4. Conclusion
References

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