Remote Sensing Applications and Decision Support

Integrated change detection and temporal trajectory analysis of coastal wetlands using high spatial resolution Korean Multi-Purpose Satellite series imagery

[+] Author Affiliations
Hoang Hai Nguyen, Hien Tran, Minha Choi

Sungkyunkwan University, Environment and Remote Sensing Laboratory, Department of Water Resources, Graduate School of Water Resources, Suwon, Republic of Korea

Wooyeon Sunwoo

Sungkyunkwan University, Department of Water Resources, Graduate School of Water Resources, Suwon, Republic of Korea

Jong-hyuk Yi

Space Environment Laboratory, Inc., Seoul, Republic of Korea

Dongkyun Kim

Hongik University, School of Urban and Civil Engineering, Seoul, Republic of Korea

J. Appl. Remote Sens. 11(2), 026030 (Jun 12, 2017). doi:10.1117/1.JRS.11.026030
History: Received January 22, 2017; Accepted May 23, 2017
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Abstract.  A series of multispectral high-resolution Korean Multi-Purpose Satellite (KOMPSAT) images was used to detect the geographical changes in four different tidal flats between the Yellow Sea and the west coast of South Korea. The method of unsupervised classification was used to generate a series of land use/land cover (LULC) maps from satellite images, which were then used as input for temporal trajectory analysis to detect the temporal change of coastal wetlands and its association with natural and anthropogenic activities. The accurately classified LULC maps of KOMPSAT images, with overall accuracy ranging from 83.34% to 95.43%, indicate that these multispectral high-resolution satellite data are highly applicable to the generation of high-quality thematic maps for extracting wetlands. The result of the trajectory analysis showed that, while the variation of the tidal flats in the Gyeonggi and Jeollabuk provinces was well correlated with the regular tidal regimes, the reductive trajectory of the wetland areas belonging to the Saemangeum province was caused by a high degree of human-induced activities including large reclamation and urbanization. The conservation of the Jeungdo Wetland Protected Area in the Jeollanam province revealed that effective social and environmental policies could help in protecting coastal wetlands from degradation.

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© 2017 Society of Photo-Optical Instrumentation Engineers

Citation

Hoang Hai Nguyen ; Hien Tran ; Wooyeon Sunwoo ; Jong-hyuk Yi ; Dongkyun Kim, et al.
"Integrated change detection and temporal trajectory analysis of coastal wetlands using high spatial resolution Korean Multi-Purpose Satellite series imagery", J. Appl. Remote Sens. 11(2), 026030 (Jun 12, 2017). ; http://dx.doi.org/10.1117/1.JRS.11.026030


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