Land-Use Changes and Human Driving in and Near the Yangtze River Delta from 1995–2015
| Autor: | Xiaoyong Duan, Ping Yin, Jinqing Liu, Jiandong Qiu, Van Phach Phung, Meina Li |
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| Rok vydání: | 2018 |
| Předmět: |
Delta
education.field_of_study 010504 meteorology & atmospheric sciences Land use business.industry Population 0211 other engineering and technologies Ocean Engineering 02 engineering and technology Oceanography 01 natural sciences Land reclamation Urbanization Environmental science Carrying capacity Land development Land use land-use change and forestry business Water resource management education 021101 geological & geomatics engineering 0105 earth and related environmental sciences |
| Zdroj: | Journal of Ocean University of China. 17:1361-1368 |
| ISSN: | 1993-5021 1672-5182 |
| DOI: | 10.1007/s11802-018-3735-z |
| Popis: | 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. |
| Databáze: | OpenAIRE |
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