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dc.contributor.authorTowler, Brett William
dc.contributor.authorCahoon, Joel
dc.contributor.authorStein, Otto R.
dc.identifier.citationTowler BE, Cahoon JE, Stein OR, "Evapotranspiration crop coefficients for cattail and bulrush," J Hydrol Eng, 2004 9(3):235-239en_US
dc.description.abstractAccurate estimates of evapotranspiration from constructed wetlands are required to establish design flow estimates and to assess the effectiveness of wetland water quality amelioration. Water consumption by two wetland plant species, Typha latifoilia (broadleaf cattail) and Scoenoplectus acutus (hardstem bulrush), was measured in a greenhouse for eight months. Measurements of actual evapotranspiration (ETC) from replicates of both plant treatments were related to potential evaporation (ET0) as approximated by evaporation from saturated gravel beds. Ratios of ETC to ETO used to develop crop coefficients (KC) for each plant species. The relationship between cattail ETC/ET0 and the ratio of vegetative to open water surface area (SV/S0) agreed with previous investigations. A linear relationship was used to account for advective energy fluxes due to peripheral canopy area. Cattail crop coefficients were scaled according to this relationship. The resulting scaled crop coefficient curve may be transferable to constructed wetlands of a known SV/S0.en_US
dc.titleEvapotranspiration crop coefficients for cattail and bulrushen_US
mus.citation.journaltitleJournal of Hydrologic Engineeringen_US
mus.identifier.categoryEngineering & Computer Scienceen_US
mus.relation.collegeCollege of Engineeringen_US
mus.relation.departmentCenter for Biofilm Engineering.en_US
mus.relation.departmentChemical & Biological Engineering.en_US
mus.relation.departmentChemical Engineering.en_US
mus.relation.universityMontana State University - Bozemanen_US
mus.relation.researchgroupCenter for Biofilm Engineering.en_US

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