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Journal of Natural Resources, Volume. 35, Issue 3, 601(2020)

Conflict analysis and system optimization of urban ecological space

Wei-zhong SU1,*... Li-ya MA1,2, Shuang CHEN1 and Gui-shan YANG1 |Show fewer author(s)
Author Affiliations
  • 1Key Laboratory of Watershed Geographic Sciences, Nanjing Institute of Geography and Limnology, CAS, Nanjing 210008, China
  • 2College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
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    AbstractGet PDF(in Chinese)
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    The study area

    Fig. 1. The study area

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    Urabn ecological spaces in 1992

    Fig. 2. Urabn ecological spaces in 1992

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    Urban channels and catchments imperviousness IR

    Fig. 3. Urban channels and catchments imperviousness IR

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    Urban ecological conflict areas and flood areas

    Fig. 4. Urban ecological conflict areas and flood areas

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    Urban ecological space system optimization

    Fig. 5. Urban ecological space system optimization

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    • Table 1. Contributing factor of flooding areas

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      Table 1. Contributing factor of flooding areas

      因素城市空间布局生态空间变化产流变化汇流速度变化汇流方向变化内涝类型系统优化目标
      将军路北一带西侧上游低密度规划但实际中高密度建设局部占用、人工化改造产流增加,沿线量大西侧上游地势差大、来水迅速自然流向改变,新的平行式路径沿线起伏,排水设计能力预期不足排水不畅,倒灌沿线小区提升上游调蓄渗透功能,自身排水路径 扩容
      佛城路西一带北侧上游低密度规划但实际中高密度建设局部占用、人工化改造产流增加,沿线量大北侧上游地势差大且为人工渠道,来水迅速自然流向改变,新的平行式路径沿线起伏,排水设计能力预期不足排水不畅,倒灌沿线小区提升上游调蓄渗透功能,自身排水路径 扩容
      将军路南一带中高密度开发且布局在许多低洼地区局部占用产流较大,下游集中汇流迅速且集中自然流向改变,地势梯度明显,影 响小下游排水不畅排水能力提升,排水管渠/泵站格局优化
      牛首河一带沿线上下游布局密度都高上游通道人工化,下游低洼占用产流量大,上下游均大上游人工渠道来水迅速,下游坡缓流速慢流向集中低洼,受秦淮河洪水回流的顶托下游受纳水体排洪压力大河流上下游生态调蓄功能格局整体优化
      九龙湖区一湖城市空间分布散大量占用产流增加,分布分散流速缓流向紊乱排水不畅,产生倒灌控制城市开发,增加储存空间
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    Wei-zhong SU, Li-ya MA, Shuang CHEN, Gui-shan YANG. Conflict analysis and system optimization of urban ecological space[J]. Journal of Natural Resources, 2020, 35(3): 601

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    Paper Information

    Received: Jan. 2, 2019

    Accepted: --

    Published Online: Sep. 25, 2020

    The Author Email: SU Wei-zhong (wzsu@niglas.ac.cn)

    DOI:10.31497/zrzyxb.20200308

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