Hydrologic attributes of selected green infrastructures.
Abstract
Like several other cities in the U.S., Syracuse, NY faces legal and environmental challenges from combined sewer overflow events that impair Onondaga lake, making it unsuitable for aquatic biota and recreational activities. The Onondaga County Department of Water Environment Protection (OCDWEP) made efforts to improve the water quality of Onondaga lake and its tributaries through a stormwater management initiative known as "SaveTheRain (STR)". The primary goal of this program is to capture and reduce large volumes of surface runoff through a resilient approach that involves upgrading the existing gray infrastructure and retrofitting green infrastructures (GI). More than 200 GI projects involving a wide array of technologies have been installed by the OCDWEP.
Although GI technology has been considered as a solution for stormwater abatement and water quality improvement, it GI has limited acceptance due to uncertainty over short- and long-term performance. This field-based study compares high resolution, in-situ stage measurements of four types of GI: rain gardens, bioretention basins, infiltration trenches, and porous pavement surfaces to assess runoff retention efficacy through physical measurements. A retrospective comparison of current data with an extensive database from 2014 collected at the same sites will be presented to clarify how GI performance has changed over the period since initial GI placement.- Publication:
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AGU Fall Meeting Abstracts
- Pub Date:
- December 2019
- Bibcode:
- 2019AGUFM.H13I1786R
- Keywords:
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- 0412 Biogeochemical kinetics and reaction modeling;
- BIOGEOSCIENCES;
- 0414 Biogeochemical cycles;
- processes;
- and modeling;
- BIOGEOSCIENCES;
- 1871 Surface water quality;
- HYDROLOGY;
- 1880 Water management;
- HYDROLOGY