Li, D; Tang, C
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发表期刊JOURNAL OF COASTAL CONSERVATION
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ISSN1400-0350
2019-08
卷号23期号:4 SI页码:829-841
关键词Morphological changeAdmiralty chartsCoastlineLand reclamationQinzhou Bay
研究领域Biodiversity Conservation; Environmental Sciences; Marine & Freshwater Biology; Water Resources
DOI10.1007/s11852-018-0600-6
产权排序[Li, Dong; Tang, Cheng; Hou, Xiyong; Zhang, Hua] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, 17 Chunhui Rd, Yantai 264003, Shandong, Peoples R China; [Li, Dong] Univ Chinese Acad Sci, Beijing, Peoples R China
通讯作者Tang, Cheng(ctang@yic.ac.cn); Zhang, Hua(hzhang@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Morphological change in the Qinzhou Bay (QZB), southwest China, has been studied, using bathymetric charts and remote sensing data. Historical admiralty charts were digitized and analyzed in a Geographical Information System (GIS) environment to provide quantitative estimates of underwater topography changes for exploring the accretion-erosion characteristics from 1960s to 2010s. Multi-temporal satellite images have been used to analyze the coastline developments. The results showed that the bathymetry and coastline of QZB changed dramatically in recent decades. The subaqueous area decreased by about 8% in the study area during the last 50 years, mainly due to coastal land reclamation. The average growth rate of the coastlines was 2.07 km/yr. between 1978 and 2013 with natural curvy coastlines being replaced by straighter artificial shorelines. During the period from 1960s to 1990s, the evolution of QZB was mainly governed by natural factors with slight deposition or erosion in the deep troughs. From 1990s to 2010s, intensive large-scale human activities, such as port building, channel dredging and artificial island construction became the main causes affecting morphological changes in the QZB. Approximately half of the underwater terrain had undergone significant changes (greater than +/- 0.5 m), and the proportion of deposition area accounting for 32.26% of the subaqueous area, about twice more than erosion area. Large scale reclamation projects have made dramatic negative impact on coastal natural ecosystem. Integrated coastal zone management need to be carried out to maintain the balance between economic development and ecological health.
文章类型Article; Proceedings Paper
资助机构National Key Basic Research Program of China (973)National Basic Research Program of China [2015CB453301]; Strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDA11020305]; Key Deployment Project of Chinese Academy of Sciences [KZZD-EW-14]
收录类别SCI
语种英语
关键词[WOS]LONG-TERM EVOLUTION; MERSEY ESTUARY; RIVER ESTUARY; CHANNEL; EQUILIBRIUM; RECLAMATION; TRENDS; IMPACT; MAP; UK
研究领域[WOS]Biodiversity Conservation; Environmental Sciences; Marine & Freshwater Biology; Water Resources
WOS记录号WOS:000486267200009
引用统计被引频次:3[WOS][WOS记录][WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cnhttp://ir.yic.ac.cn/handle/133337/24888
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_海岸带环境过程实验室
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, Key Lab Coastal Zone Environm Proc & Ecol Remedia, 17 Chunhui Rd, Yantai 264003, Shandong, Peoples R China;
2.Univ Chinese Acad Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714Li, D,Tang, C,Hou, XY,et al. Morphological changes in the Qinzhou Bay, Southwest China[J]. JOURNAL OF COASTAL CONSERVATION,2019,23(4 SI):829-841.
APALi, D,Tang, C,Hou, XY,&Zhang, H.(2019).Morphological changes in the Qinzhou Bay, Southwest China.JOURNAL OF COASTAL CONSERVATION,23(4 SI),829-841.
MLALi, D,et al."Morphological changes in the Qinzhou Bay, Southwest China".JOURNAL OF COASTAL CONSERVATION 23.4 SI(2019):829-841.
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