Journal
JOURNAL OF CLEANER PRODUCTION
Volume 256, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2020.120361
Keywords
Urban growth boundary; Complex ecological environment; Dual-environmental evaluation; Cellular automata; Future land use simulation model; Ecological protection
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Funding
- National Key R&D Program of China [2017YFA0604404]
- National Natural Science Foundation of China [41671398, 41871318]
- Science and Technology Project of Department of Nature Resources of Guangdong Province [GDZRZYKJ2020007]
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Urban growth boundaries are an efficient tool for protecting non-urban land uses from being dominated by urban sprawl and can promote sustainable urban development. Previous studies have explored the use of a cellular automata simulation and its visualization products in delimiting future UGBs. However, existing CA-UGB delineation models lack a transcendental component for ecological evaluation and are difficult to apply to areas with complex ecological environments or heterogeneous resource endowments. Therefore, this paper introduces an innovative model by coupling the dual-environmental evaluation and the Future Land-use Simulation CA model for delimiting future UGBs. To prioritize ecological protection, some intermediate products of the DEE are processed as pivotal components in the CA simulations. Strict urban simulation constraints are also applied in the FLUS model to meet the DEE regulations and prioritize ecological protection. This model was implemented to plan future UGBs in Chungking, China. After quantifying and comparing the proposed UGB scheme with other UGB delineations of Chungking by using various landscape metrics, the DEE-UGBs show a stronger ability to manage urban patches via aggregation with the simultaneous reconciliation of contradictions among land uses. (C) 2020 Elsevier Ltd. All rights reserved.
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