A study on coordinate relationship between economic and logistics demand based on improved elastic coefficient

Wei, Zhenlin; Han, Xu; Ji, Shouwen; Wang, Chuantao

doi:10.1109/iclsim.2010.5461219

Cited by 1 publication

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“…In this study, the elastic coefficient was used to analyze the response of runoff, runoff peak, and pollutants to changes in precipitation. It is defined as follows [54]:…”

Section: Evaluation Indexmentioning

confidence: 99%

Impacts of Rainstorm Characteristics on Runoff Quantity and Quality Control Performance Considering Integrated Green Infrastructures

et al. 2022

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Green infrastructure (GI) has been implemented globally to mitigate the negative effects of urbanization. GI also regulates the urban runoff process and reduces non-point source pollution by intercepting initial runoff pollution and stormwater storage. In this paper, the impacts on GI were quantified and analyzed, considering eight designed storms with a 24 h duration and eight others with a 2 h duration with the combination of two characteristics (return period and peak time). The runoff process and reduction effect of pollutants were simulated for GI combinations (green roofs, vegetative swale, bio-retention units, and permeable pavement) using the Storm Water Management Model, taking the Dongshan campus of Shanxi University as an example case study. The results show that the GI combination can reduce runoff, suspended solids (SS), and chemical oxygen demand (COD). For short- and long-duration rainstorms, the average reduction rates of runoff, SS, and COD were 39.7%, 38.8%, and 39.6%, and 36.5%, 31.7%, and 32%, respectively, indicating its better effectiveness for short-duration storms. The GI’s effect was more sensitive during the short-duration storms owing to the greater absolute value of the 2 h elastic coefficients versus that of the 24 h, and the best reduction effect was observed with a rainfall peak coefficient of 0.1. These results provide a scientific reference for GI planning and implementation under a changing climate in the future.

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“…In this study, the elastic coefficient was used to analyze the response of runoff, runoff peak, and pollutants to changes in precipitation. It is defined as follows [54]:…”

Section: Evaluation Indexmentioning

confidence: 99%