Dynamic analysis on coastline and sea reclamation in the region around Bohai based on remote sensing images

Xiangyang Liu; Zhiqiang Gao; Jicai Ning; Qingshui Lu

doi:10.1117/12.2058414

10 October 2014 Dynamic analysis on coastline and sea reclamation in the region around Bohai based on remote sensing images

Xiangyang Liu, Zhiqiang Gao, Jicai Ning, Qingshui Lu

Author Affiliations +

Proceedings Volume 9221, Remote Sensing and Modeling of Ecosystems for Sustainability XI; 92210U (2014) https://doi.org/10.1117/12.2058414
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

With 2 periods of standard false-color images as data sources, using remote sensing and GIS technology, dynamic change information extraction of the coastline and sea reclamation was completed in the region around Bohai through visual interpretation and artificial vectorization, and then this kind of information was studied deeply. The conclusions are as follows: 1) From 2000 to 2010, coastline of the region around Bohai shows an increasing trend, advancing to the sea rapidly; coastline change of the Beijing-Tianjin-Tangshan area is maximum; the advancing of coastlines of Liaoning and Shandong Province to the sea is obvious; human factors are key factors for the above change . 2) From 2000 to 2010, the sea reclamation area of the region around Bohai is rapidly increasing, the increase of Beijing-Tianjin-Tangshan region is the largest relatively and that of Shandong Province is the smallest; from the structure point of view, the area of sea reclamation for building ports is the largest and that of tideland reclamation is the smallest; different regions have different structures; social and natural factors together determine the evolution of sea reclamation. 3) To some extent, sea reclamation contributes to the increase in length of the coastline; different use types of sea reclamation have different influences on the coastline changes.

Citation Download Citation

Xiangyang Liu, Zhiqiang Gao, Jicai Ning, and Qingshui Lu "Dynamic analysis on coastline and sea reclamation in the region around Bohai based on remote sensing images", Proc. SPIE 9221, Remote Sensing and Modeling of Ecosystems for Sustainability XI, 92210U (10 October 2014); https://doi.org/10.1117/12.2058414

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