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Strategic Study of CAE >> 2019, Volume 21, Issue 6 doi: 10.15302/J-SSCAE-2019.06.010

Remote Sensing Application in China's Coastal Zones and Islands: Recent Progress and Some Suggestions

Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China

Funding project:中国工程院咨询项目“海洋强国战略研究2035”(2018-ZD-08);国家自然科学基金委员会重大项目“高强度扰动下大湾区海陆场景功能优化与综合调控”(41890854) Received: 2019-07-20 Revised: 2019-10-12

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Abstract

To summarize the recent achievements and problems of remote sensing application in China’s coastal zones and islands, this study reviews a quantity of typical studies selected from the last decade in a space order of “offshore land area–intertidal zone–offshore waters–island”. Classical remote sensing in land cover change and coastline dynamics is still the research hotspots. With China’s rapid economic development and urbanization, coastal environmental problems become serious. Remote sensing is increasingly applied into research on land subsidence, seawater intrusion, intertidal ecosystem monitoring, mariculture, red tide, and island reef sovereign evidence, which strongly supports China’s ocean strategies. However, the acquirement of remote sensing data still depends largely on foreign satellites; the update frequency of the remote sensing data is low; and different disciplines in this field are often isolated. We propose to promote fusion of multisource data and different disciplines, and ultimately realize high-precision, automatic, and regular monitoring supported by cloud computing at both national and regional levels.

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