Song, Yang; Li, Dong; Hou, Xiyong
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发表期刊JOURNAL OF COASTAL RESEARCH
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ISSN0749-0208
2020-03
卷号36期号:2页码:261-275
关键词SEA-LEVEL RISEFRACTAL ANALYSISCLIMATE-CHANGERIVER DELTACOASTAL EROSIONMEKONG DELTARED-RIVERIMPACTSCONSERVATIONTRANSPORT
研究领域Environmental Sciences; Geography, Physical; Geosciences, Multidisciplinary
DOI10.2112/JCOASTRES-D-19-00018.1
产权排序[Song, Yang; Li, Dong; Hou, Xiyong] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Shandong, Peoples R China; [Song, Yang] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Song, Yang; Li, Dong; Hou, Xiyong] Chinese Acad Sci, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai Inst Coastal Zone Res, Yantai 264003, Shandong, Peoples R China
通讯作者Hou, Xiyong(xyhou@yic.ac.cn)
作者部门海岸带信息集成与综合管理实验室
英文摘要Based on multitemporal Landsat images covering the entire coastal zone, a visual interpretation method was adopted to extract the coastlines of mainland Southeast Asia (MSA) in 2000 and 2015 referencing Google Earth images and global distribution of mangrove data. Coastline structures, coastline fractal dimensions, coastline change rates, and patterns of land-sea interchange were analyzed to reveal the spatial-temporal characteristics of mainland coastline changes in the 21st century. The results showed that (1) during the past 15 years, the length and percentage of natural coastline decreased from 15,440.24 km (83.33%) to 14,909.75 km (78.91%) and artificial coastlines increased at an average growth rate of 29.04% from 3088.79 to 3985.89 km; (2) the fractal dimensions of most areas in MSA tended to increase under interference driven by human activities, and the coastline morphology became more complex overall; (3) coastlines had obvious evolution, in which 18.54% of the coastline advanced toward the sea and 11.25% retreated toward land at average rates of +20.36 and -15.41 m.a(-1), respectively; and (4) the number of patches representing land-sea interchange reached 6607 so that the net land expansion area was 534.25 km(2) and among these regions, those larger than 1 km(2) accounted for only a small percentage (2.54%) of the total number but 79.41% of the total area. These hot spots were mainly concentrated in Myanmar, followed by Vietnam and Malaysia. Overall, the coastline of MSA was characterized by rapid artificial growth but still had a high percentage of naturalization. When it comes to developing the marine economy and addressing the ecological risk, the intensity of utilization and hardening of the coastline will likely increase.
文章类型Article
资助机构Strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDA19060205]; National Natural Science Foundation of China (Belmont Forum Collaborative Research Action on Scenarios of Biodiversity and Ecosystem Services, NSFC-BF/IGFA) [31461143032]
收录类别SCI
语种英语
关键词[WOS]SEA-LEVEL RISE; FRACTAL ANALYSIS; CLIMATE-CHANGE; RIVER DELTA; COASTAL EROSION; MEKONG DELTA; RED-RIVER; IMPACTS; CONSERVATION; TRANSPORT
研究领域[WOS]Environmental Sciences & Ecology; Physical Geography; Geology
WOS记录号WOS:000516577400006
引用统计
文献类型期刊论文
条目标识符http://ir.yic.ac.cnhttp://ir.yic.ac.cn/handle/133337/25078
专题中科院海岸带环境过程与生态修复重点实验室_海岸带信息集成与战略规划研究中心
中科院海岸带环境过程与生态修复重点实验室
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Shandong, Peoples R China;
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
3.Chinese Acad Sci, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai Inst Coastal Zone Res, Yantai 264003, Shandong, Peoples R China
推荐引用方式
GB/T 7714Song, Yang,Li, Dong,Hou, Xiyong. Characteristics of Mainland Coastline Changes in Southeast Asia during the 21st Century[J]. JOURNAL OF COASTAL RESEARCH,2020,36(2):261-275.
APASong, Yang,Li, Dong,&Hou, Xiyong.(2020).Characteristics of Mainland Coastline Changes in Southeast Asia during the 21st Century.JOURNAL OF COASTAL RESEARCH,36(2),261-275.
MLASong, Yang,et al."Characteristics of Mainland Coastline Changes in Southeast Asia during the 21st Century".JOURNAL OF COASTAL RESEARCH 36.2(2020):261-275.
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