Determination of evapotranspiration in SCM's using a weighing lysimeter
An experimental approach
| Author(s): | John Hickman, Dominik Schneider, Bridget M. Wadzuk, Robert Traver |
|---|---|
| Proceedings Title: | World Environmental and Water Resources Congress 2010 - Challenges of Change |
| Start Page: | 3990 |
| Conference Location: | Providence, RI |
| Abstract: | Current stormwater control measures (SCMs) often require significant land area in order to achieve the SCM goals of reduced peak outflows and water quality enhancement. Land area requirements can be reduced through more efficient technology gained by further understanding the water budgets associated with SCMs. For instance, evapotranspiration (ET) is a little understood portion of any SCM water budget, but may yield substantial volume reduction in a SCM when viewed from a longer term perspective. Research is currently being conducted at Villanova University to determine the ET occurring in a bioinfiltration basin, stormwater wetland, and green roof. This paper delineates the experimental setup to quantify ET in various SCMs. The experimental setup uses a weighing lysimeter, where the inflow, outflow, and infiltration are measured to determine the ET in three different SCMs. Additionally, preliminary experimental results are compared to potential ET as calculated by the Penman and Penman-Monteith equations. |
| End Page: | 3999 |
| Conference Dates: | May 16 - May 20, 2010 |
| Subjects: |
Soil surveys
Budget control Engineering geology Evapotranspiration Experiments Lysimeters Snow and ice removal Storm sewers Water pollution Water quality Water supply Weighing |
| Digital Object Identifier: | 10.1061/41114(371)406 |
| Link to Full Text: | Full Text |
