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Land-Use Changes and Human Driving in and Near the Yangtze River Delta from 1995-2015

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We analyzed the characteristics and trends of land-use change in and near the coastal zone of the Yangtze River Delta (YRD) during five periods (1995,2000 2005,2010,and 2015) using remotely sensed Landsat imagery.Using automatic supervised classification combined with visual interpretation,we obtained land-use information for five study areas (Nantong,Shanghai,Jiaxing,Ningbo,and Zhoushan).Significant land-use changes have occurred in this area between 1995 and 2015,characterized in particular by large reductions in cultivated land and rapid increases in urbanized land.In addition,land reclamation was very active in this period as an effective supplement to the increased demand for land development:since 1995,1622 km2 of land was reclaimed from near-coastal regions in the study area.This increase in urbanization was jointly driven by population,economic,transportation,and policy factors.Urban areas expanded from the center outward in concentric rings,with infrastructure guiding the radial expansion of development along transportation corridors,thus forming a network of connections.Due to the influence of national land regulation policies,the expansion rate of development in the YRD gradually diminished after 2010.This indicates that the area's resource and environmental carrying capacity has reached a saturation stage in which urbanization has transitioned from broad and incremental expansion to the intensive use of land resources.

land usecoastal zoneYangtze River Deltaland-use changeremote sensing technologyreclamationdriving mechanisms

LI Meina、YIN Ping、DUAN Xiaoyong、LIU Jinqing、QIU Jiandong、PHUNG Van Phach

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Key Laboratory of Marine Environmental Geology, Ministry of Natural Resources, Qingdao Institute of Marine Geology, Qingdao 266071, China

Laboratory for Marine Geology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266061, China

College of Earth Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China

Institute of Marine Geology and Geophysics, Vietnam Academy of Science and Technology, Hanoi 10000, Vietnam

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This study was supported by China-ASEAN maritime cooperation fund:Comparative Study of Holocene Sedimentary Evolution of the YanChina Geological Survey Projectand the National Natural Science Foundation of Chinaand the National Natural Science Foundation of ChinaWe also want to thank the editor and the reviewers

No.DD20160145Nos.4170607441506107

2018

中国海洋大学学报(自然科学英文版)
中国海洋大学

中国海洋大学学报(自然科学英文版)

CSTPCDCSCDSCI
影响因子：0.268
ISSN：1672-5182
年,卷(期)：2018.17(6)
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