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首页> 外文期刊>GeoJournal >Urban growth boundaries delineation coupling ecological constraints with a growth-driven model for the main urban area of Chongqing, China
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Urban growth boundaries delineation coupling ecological constraints with a growth-driven model for the main urban area of Chongqing, China

机译：城市成长边界与中国重庆主要城区生长驱动模型的耦合耦合生态制约因素

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As an effective tool for achieving urban "smart growth", urban growth boundaries (UGBs) have received broad attention and application worldwide. In this study, the main urban area of Chongqing is used as a study area to explore the methods of UGBs delineation in mountainous cities. First, starting from the perspectives of basic farmland protection, ecological security, disaster prevention and safety, and topographic limitation, nine constraint factors were selected to comprehensively delineate a rigid, inviolable UGB. Second, in the context of urban growth demand and construction suitability, 22 human activity and natural condition factors that affect changes in urban land use were selected to construct a Markov-future land use simulation (FLUS) model for predicting land use changes occurring by 2020, thereby delineating an elastic UGB in 2020. The following results were obtained. The future land use simulation results based on the Markov-FLUS model were comparatively favorable, with the mean kappa coefficient reaching 0.8455. To ensure the sustainable development of the main urban area of Chongqing Municipality, the area protected by the rigid UGB should be mainly distributed in the "four mountains and two rivers" conservation area for a longer time, with an area of up to 3654.97 km(2), accounting for 66.86% of the total main urban area. In 2020, the area of the elastic UGB for the main urban area of Chongqing is recommended to be 971.44 km(2), accounting for 17.78% of the total main urban area. In this way, urban growth management strategies that are mainly based on a rigid UGB and complemented by an elastic UGB can be promoted in the planning and management of mountainous cities.
机译：作为实现城市“智能增长”的有效工具，城市增长界限（UGBS）受到了广泛的关注和全球应用。在这项研究中，重庆主要城区被用作探索山区城市UGBS描绘的方法。首先，从基本农田保护，生态安全，防灾和安全和地形限制开始，选择了九种约束因素，以全面描绘刚性，不可侵犯的UGB。其次，在城市增长需求和建设适应性的背景下，选择了影响城市土地利用变化的人类活动和自然条件因素，建设马尔可夫 - 未来的土地利用模拟（FLUS）模型，用于预测2020年发生的土地利用变化从而划定了2020年的弹性UGB。获得以下结果。基于Markov-Flus模型的未来土地利用仿真结果相对良好，平均κ系数达到0.8455。为确保重庆市主要城市地区的可持续发展，由刚性UGB保护的面积应主要分布在“四个山区和两条河流”保护区，延长时间，面积高达3654.97公里（ 2），占主要城市地区总数的66.86％。 2020年，重庆主要城市地区弹性UGB的面积建议是971.44公里（2），占主要城市地区总数的17.78％。通过这种方式，主要基于刚性UGB并由弹性UGB补充的城市增长管理策略可以在山区城市的规划和管理中促进。

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