Characteristics of the brackish water zone using a MEIS system in the Nakdong River Estuary (NRE), Busan City, South Korea

Title
Characteristics of the brackish water zone using a MEIS system in the Nakdong River Estuary (NRE), Busan City, South Korea
Author(s)
Lee, Jun Ho; Woo, Han Jun; Jung, Hoi Soo
KIOST Author(s)
Lee, Jun Ho(이준호)Woo, Han Jun(우한준)Jung, Hoi Soo(정회수)
Publication Year
2020-06-26
Abstract
The Noksan Dam, built in 1934, blocks the flow of the West Nakdong River, and the Nakdong River Estuary (NRE) Dam (i.e. bank, dike, embankment, etc.) was completed between 1983 and 1987 to regulate the flow of the East Nakdong River. Beginning in May 2015, the MEIS has been run in real time (1-s intervals) and has made periodic marine observations (one to four times a year). The real-time data consist of two items and the periodic marine observation data consist of five items. The average surface layer and lower layer salinities were 2.9-18.2 and 12.4-32.5 psu, respectively, and the mean surface–bottom layer difference in April and July was about 13.8 psu. In the stratification index (SI) analysis, the main stream of the Nakdong River showed a distinctive “salt wedge estuary” showing stratification during both the ebb and flood. In addition, the topographic characteristics of the moat form (east of the Eulsukdo mud flat and in front of the water line on the right side of Eulsukdo Island) were expected to represent large changes in the waterside geological and water quality after full or partial opening in 2021 to 2022.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/21198
Bibliographic Citation
Goldschmidt2020, 2020
Publisher
European Association of Geochemistry and the Geochemical Society
Type
Conference
Language
English
Publisher
European Association of Geochemistry and the Geochemical Society
Related Researcher
Research Interests

Coastal Sedimentary Processes,Micropaleontology(Foraminifera and Pollen),Paleoenvironmental Reconstruction,연안퇴적작용,미고생물(유공충 및 화분),고환경 복원

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