PMID: 11317903Apr 25, 2001Paper

Factors affecting the performance of stormwater treatment wetlands

Water Research
J N CarletonH E Post

Abstract

Data from 35 studies on 49 wetland systems used to treat stormwater runoff or runoff-impacted surface waters were examined and compared in order to identify any obvious trends that may aid future stormwater treatment wetland design efforts. Despite the intermittent nature of hydrologic and pollutant inputs from stormwater runoff, our analysis demonstrates that steady-state first-order plug-flow models commonly used to analyze wastewater treatment wetlands can be adapted for use with stormwater wetlands. Long-term pollutant removals are analyzed as functions of long-term mean hydraulic loading rate and nominal detention time. First-order removal rate constants for total phosphorus, ammonia, and nitrate generated in this fashion are demonstrated to be similar to values reported in the literature for wastewater treatment wetlands. Constituent removals are also demonstrated via regression analyses to be functions of the ratio of wetland area to watershed area. Resulting equations between these variables can be used as preliminary design tools in the absence of more site-specific details, with the understanding that they should be employed cautiously.

Citations

Dec 18, 2009·Ecological Applications : a Publication of the Ecological Society of America·Todd BenDorMartin W Doyle
Mar 7, 2014·Journal of Environmental Management·Chih-Yu Wang, David J Sample
Oct 7, 2010·Journal of Environmental Sciences (China)·Jonghwa HamHyung-Chul Kim
Mar 15, 2016·Environmental Science and Pollution Research International·Qianyu HangZeying Hou
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Dec 29, 2020·Journal of Environmental Management·Sujit A EkkaWilliam F Hunt
Jul 30, 2021·Environmental Technology·Qiang ZhouShilin Du

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