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Full-Text Articles in Engineering

Nonparametric Stochastic Generation Of Daily Precipitation And Other Weather Variables, Rajagopalan Balaji May 1995

Nonparametric Stochastic Generation Of Daily Precipitation And Other Weather Variables, Rajagopalan Balaji

All Graduate Theses and Dissertations

Traditional stochastic approaches for synthetic generation of weather variables often assume a prior functional form for the stochastic process, are often not capable of reproducing the probabilistic structure present in the data, and may not be uniformly applicable across sites. In an attempt to find a general framework for stochastic generation of weather variables, this study marks a unique departure from the traditional approaches, and ushers in the use of data-driven nonparametric techniques and demonstrates their utility.

Precipitation is one of the key variables that drive hydrologic systems and hence warrants more focus . In this regard, two major aspects of ...


Evaluation Of Synthetic Unit Hydrograph Techniques For Utah Probable Maximum Flood Determinations, Ashraf Mohammed Shammet May 1995

Evaluation Of Synthetic Unit Hydrograph Techniques For Utah Probable Maximum Flood Determinations, Ashraf Mohammed Shammet

All Graduate Theses and Dissertations

Every dam must be capable of safely passing a predetermined flood magnitude. For high-hazard dams, it is a common practice to require that this flood be the Probable Maximum Flood (PMF). The determination of the PMF starts with the determination of the Probable Maximum Precipitation (PMP). We used the generalized estimates of the PMP as outlined in Hydrometeorological Report (HMR) 49. In this study we used the storm event model approach to convert the PMP into PMF. Different synthetic unit hydrograph (SUH) techniques were then used in the conversion process. The Soil Conservation Service (SCS) curve number method was used ...


Lake Evaporation: A Model Study, Jumah Amayreh May 1995

Lake Evaporation: A Model Study, Jumah Amayreh

All Graduate Theses and Dissertations

Reliable evaporation data are an essential requirement in any water and/or energy budget studies. This includes operation and management of both urban and agricultural water resources. Evaporation from large, open water surfaces such as lakes and reservoirs may influence many agricultural and irrigation decisions. In this study evaporation from Bear Lake in the states of Idaho and Utah was measured using advanced research instruments (Bowen Ratio and Eddy Correlation). Actual over-lake evaporation and weather data measurements were used to understand the mechanism of evaporation in the lake, determine lake-related parameters (such as roughness lengths, heat storage, net radiation, etc ...