Index Catalog // ScholarsArchive@OSU

Calibration of a theoretically derived relationship between pan evaporation and evapotranspiration

Creator:: Salgado, Eduardo A.
Abstract:: Theoretical derivations to describe pan evaporation, E[subscript p], and evapotranspiration, ET[subscript r], were developed based on a flow equation expressed as the product of the driving force for vapor between the evaporative surface and a plane of reference times a conductivity coefficient of vapor through air. Under the assumptions of...
Resource Type:: Dissertation
Full Text:: observations for Coshocton, Ohio, Davis, California, and Kimberly, Idaho, was available for testing the

Analysis of evapotranspiration for various climatic regimes using geostatistics

Creator:: Nuss, Jeffery L.
Abstract:: Research was conducted to determine the applicability of using the theory of regionalized variables or geostatistics in characterizing the spatial variability of reference evapotranspiration (ETr) over various climatic regimes for the state of Oregon. The state was divided into five climatic regions based on topographic features and local meteorological conditions:...
Resource Type:: Masters Thesis
Full Text:: regimes using geostatistics AN ABSTRACT OF THE THESIS OF Jeffery L. Nuss for the degree of Master of

Use of MIKE SHE for estimation of evapotranspiration in the Sprague River Basin

Creator:: Shakya, Suva R.
Abstract:: MIKE SHE is a fully distributed, physically-based hydrologic model that can simulate water movement over and under the Earth's surface. Evapotranspiration (ET) is one of the components of this model. MIKE SHE uses a modification of the Kristensen -Jensen (1975) method to calculate actual ET. This method is based on...
Resource Type:: Masters Thesis
Full Text:: rates were calculated based on AgriMet reference ET which uses the Kimberly Penman (Wright, 1982

Collection and analysis of evaporative flux data for various climates

Creator:: Katul, Gabriel
Abstract:: Daily evaporative flux and meteorological data from three sites were collected and analyzed. Analysis included evaluation of several reference evapotranspiration estimating methods which were theoretically based on distinct physical laws. The estimating methods included pan evaporation, energy-based Priestly-Taylor, and combination methods with and without biological adjustments. The data set represented...
Resource Type:: Masters Thesis
Full Text:: Characteristics and Climate 42 3.1.1 Davis Experimental Site 42 3.1.2 Kimberly Experimental Site 43 3.1.3

Land treatment system design with system parameter optimization support model

Creator:: Hagimoto, Yutaka
Abstract:: Increasing costs for wastewater treatment provide incentives to evaluate system alternatives, especially among small communities with limited financial resources. Land treatment systems with hybrid poplar tree plantations are becoming increasingly popular as one such alternative in the Pacific Northwest. Land treatment systems are made up of a complex dual system:...
Resource Type:: Dissertation
Full Text:: estimated leachate nitrate concentration of 8.80 mgN/L. The poplar tree plantation is characterized by the

Estimated plant water use and crop coefficients for drip-irrigated hybrid polars

Creator:: Gochis, David J.
Abstract:: Estimations of plant water use can provide great assistance to growers, irrigators, engineers and water resource planners. This is especially true concerning the introduction of a new crop into irrigated agriculture. Growing hybrid poplar trees for wood chip stock and veneer production under agronomic practices is currently being explored as...
Resource Type:: Masters Thesis
Full Text:: Kimberly, Idaho for his review and suggestions. The sharing of his experience has been immeasurable. I

Analysis of a hydrologic balance model and Penman-Monteith evapotranspiration estimating methods

Creator:: Carrijo, Osmar Alves
Abstract:: The major objectives of this study were an evaluation of the Meteorological Office Rainfall and Evaporation Calculation System (MORECS) evapotranspiration (ET) model using the Penman-Monteith equation and comparison of the MORECS and measured surface resistance. Meteorological, soil and plant parameters were measured in an alfalfa field over two growing seasons....
Resource Type:: Dissertation
Full Text:: /(E L)] (1 + rs/ra) The psychrometric constant is defined as (Cuenca, 1989; Brutsaert, 1982), 7

Basin-wide distributed modeling of hydrologic responses to irrigation management in the Wood River Basin, Klamath County, OR

Creator:: Owens, Joshua M.
Abstract:: The Wood River Basin lies upstream of Upper Klamath Lake, the main reservoir of the USBR Klamath Irrigation Project that provides irrigation water to 210,000 acres of downstream land. Water allocation became a contentious issue in 2001 when drought led to curtailment of irrigation deliveries to the Klamath Irrigation Project...
Resource Type:: Masters Thesis

Multivariate geostatistical analysis of evapotranspiration and elevation for various climatic regimes in Oregon

Creator:: Martinez-Cob, Antonio
Resource Type:: Dissertation
Full Text:: (Medicago sativa L.) as the refer- ence crop and is given as (Burman et al., 1983) "... the upper limit or

Application of geostatistics to regional evapotranspiration

Creator:: Amegee, Kodjo Y.
Abstract:: Regionalized variable analysis has been used to study a number of meteorological and hydrological variables including precipitation (Delhomme and Delfinier, 1973), streamfiow (Villeneuve et al., 1979) and hydraulics of groundwater aquifers (Gambolati and Volpi, 1979). In the research work reported in this thesis, an attempt was made to characterize the...
Resource Type:: Dissertation
Full Text:: data from the USDA Snake River Water Conservation Laboratory at Kimberly, Idaho. The FAO-modified

ScholarsArchive@OSU

Calibration of a theoretically derived relationship between pan evaporation and evapotranspiration

Analysis of evapotranspiration for various climatic regimes using geostatistics

Use of MIKE SHE for estimation of evapotranspiration in the Sprague River Basin

Collection and analysis of evaporative flux data for various climates

Land treatment system design with system parameter optimization support model

Estimated plant water use and crop coefficients for drip-irrigated hybrid polars

Analysis of a hydrologic balance model and Penman-Monteith evapotranspiration estimating methods

Basin-wide distributed modeling of hydrologic responses to irrigation management in the Wood River Basin, Klamath County, OR

Multivariate geostatistical analysis of evapotranspiration and elevation for various climatic regimes in Oregon

Application of geostatistics to regional evapotranspiration

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