Progress of a Marine Environmental Information System (MEIS) using Scientific data on Land– Sea Interaction in the Nakdong River Estuary, South Korea

Title
Progress of a Marine Environmental Information System (MEIS) using Scientific data on Land– Sea Interaction in the Nakdong River Estuary, South Korea
Author(s)
이준호; 우한준; 정갑식; 권재일
KIOST Author(s)
Jeong, Ji Hye(정지혜)Woo, Han Jun(우한준)Jeong, Kap Sik(정갑식)Kwon, Jae Il(권재일)
Publication Year
2018-10-10
Abstract
The Nakdong River in South Korea is a length of nearly 520 km with a drainage basin of around 26,000 km2 and is subject to natural erosion, sedimentation and various potential sources of human development, due to a number of anthropogenic factors, including relative water diversion, reservoir construction, and large river-estuary engineering. The Noksan floodgate, built in April 1934, blocks the flow of the West Nakdong River, and the Nakdon River Estuary Bank was completed in November 1987 to regulate flow from the Nakdong River. This study developed a marine environmental information system (MEIS) to understand the land– sea interaction and provide scientific data on the characteristics of the brackish water zone around the barrier islands. Beginning in May 2015, the MEIS was run in real time (1– 10 second intervals) and periodic marine observations (1– 4 times a year). The real-time data are largely obtained from closed circuit television (CCTV) and automatic weather stations (AWS) using 4th generation long-term evolution (4G LTE) communication at two stations in the Doyodeung barrier islands. To avoid discontinued measurement in real time, repairs caused by malfunction of equipments, quarterly preventive maintenances and daily monitoring of measured data were systematized. The scientific data include periodic observations of sediment distributions (N = 90), the characteristics of suspended sedimentactors, including relative water diversion, reservoir construction, and large river-estuary engineering. The Noksan floodgate, built in April 1934, blocks the flow of the West Nakdong River, and the Nakdon River Estuary Bank was completed in November 1987 to regulate flow from the Nakdong River. This study developed a marine environmental information system (MEIS) to understand the land– sea interaction and provide scientific data on the characteristics of the brackish water zone around the barrier islands. Beginning in May 2015, the MEIS was run in real time (1– 10 second intervals) and periodic marine observations (1– 4 times a year). The real-time data are largely obtained from closed circuit television (CCTV) and automatic weather stations (AWS) using 4th generation long-term evolution (4G LTE) communication at two stations in the Doyodeung barrier islands. To avoid discontinued measurement in real time, repairs caused by malfunction of equipments, quarterly preventive maintenances and daily monitoring of measured data were systematized. The scientific data include periodic observations of sediment distributions (N = 90), the characteristics of suspended sediment
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/23080
Bibliographic Citation
9th International Conference on Asian Marine Geology (ICAMG), pp.84, 2018
Publisher
9th
Type
Conference
Language
English
Publisher
9th
Related Researcher
Research Interests

Ocean Numerical Modelling,Physical Oceanography,Coastal processess,해양수치모델,물리해양학,연안과정

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