Journal of East China Normal University(Natural Science) >

2021 , Vol. 2021 >Issue 4: 17 - 25

DOI: https://doi.org/10.3969/j.issn.1000-5641.2021.04.003

Water Pollution Control and Treatment

Discussion on LID index model construction framework and its graphical application

  • Meiyin QIAN ,
  • Kai YANG ,
  • Sheng XIE ,
  • Lei DING ,
  • Lu XU ,
  • Ying CHEN
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  • 1. Shanghai Key Laboratory for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai　200241, China
    2. Shanghai Institute of Pollution Control and Ecological Security, Shanghai　200092, China
    3. Shanghai Municipal Engineering Design Institute (Group)Co. Ltd., Shanghai　200092, China

Received date: 2020-11-16

  Online published: 2021-07-23

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Abstract

In this paper, we propose the concept of “LID (low impact development) Index” and “LID Runoff Reduction Efficiency” based on an analysis of runoff cutting efficiency for different LID technical measures. A map was designed to help quickly select the appropriate LID facility and its proportions according to the pollution reduction target in a built-up area. It shows that when the‘LID index’ increases, surface runoff and pollutants exhibit a similar exponential function form; the larger the LID index, the lower the “LID runoff reduction efficiency”. The model data is easy to obtain and flexible, rendering potential applications worthy of exploration.

Key words： LID; runoff pollution; sponge city

Cite this article

Meiyin QIAN , Kai YANG , Sheng XIE , Lei DING , Lu XU , Ying CHEN . Discussion on LID index model construction framework and its graphical application[J]. Journal of East China Normal University(Natural Science), 2021 , 2021(4) : 17 -25 . DOI: 10.3969/j.issn.1000-5641.2021.04.003

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