详情

Determining Downstream Ecological Impacts of Sediment Derived from Bridge Construction

项目名称：	Determining Downstream Ecological Impacts of Sediment Derived from Bridge Construction
摘要：	Sediment release from bridge construction may change the sediment regime of the receiving streams, causing habitat degradation downstream of bridges. One of TxDOT's responsibilities is to address potential effects on aquatic species listed under the federal Endangered Species Act. As sedentary, bottom-dwelling filter feeders, mussels are susceptible to habitat destabilization activities such as bridge construction. Several Texas freshwater mussel species are expected to be added to list of the U.S. Endangered Species Act. To date, guidelines for determining the areas within streams that are likely to be impacted by bridge construction are not well supported by empirical data. Nor is a predictive model available to quantify such effects, and to provide information required for habitat suitability assessment. University researchers will develop a predictive tool and validate its performance in the field. The objectives of this project are to: 1) develop a predictive model that can be used to estimate the quantity, size, and accumulation depths of sediment derived from bridge construction; 2) evaluate the model predictions of a bridge construction site by collecting field data; 3) obtain the FHWA Technology Readiness Level 7; and 4) create educational materials, user manuals, and demonstrative videos, to train the TxDOT’s workforce.
状态：	Active
资金：	313569
资助组织：	Federal Highway Administration<==>Texas Department of Transportation
项目负责人：	Adediwura, Jade
执行机构：	University of Texas at Arlington
开始时间：	20190901
预计完成日期：	20220331
主题领域：	Bridges and other structures；Construction；Environment