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Articles 61 - 70 of 70

Full-Text Articles in Physical Sciences and Mathematics

Reports Of 1971 Progress Volume 1 Central Studies, U.S. International Biological Program Jan 1972

Reports Of 1971 Progress Volume 1 Central Studies, U.S. International Biological Program

Progress reports

No abstract provided.


Reports Of 1971 Progress Volume 4 Terrestrial Process Studies, U.S. International Biological Program Jan 1972

Reports Of 1971 Progress Volume 4 Terrestrial Process Studies, U.S. International Biological Program

Progress reports

No abstract provided.


Reports Of 1971 Progress Volume 2 Terrestrial Validation Studies Part I. Methodological, U.S. International Biological Program Jan 1972

Reports Of 1971 Progress Volume 2 Terrestrial Validation Studies Part I. Methodological, U.S. International Biological Program

Progress reports

No abstract provided.


Assimilation, Metabolism And Growth Of Utah Chub, Gila Atraria, F.C. Cheng, R.L. Wallace, T.C. Bjornn, C. Macphee Jan 1972

Assimilation, Metabolism And Growth Of Utah Chub, Gila Atraria, F.C. Cheng, R.L. Wallace, T.C. Bjornn, C. Macphee

Progress reports

No abstract provided.


Relationships Of Infiltration Characteristics To Parameters Describing The Hydraulic Properties Of Soils, Roland W. Jeppson Jan 1972

Relationships Of Infiltration Characteristics To Parameters Describing The Hydraulic Properties Of Soils, Roland W. Jeppson

Reports

No abstract provided.


Water Management Research In Arid And Sub-Humid Lands Of Less Developed Countries: Fifth Annual Progress Report, Utah State University Jan 1972

Water Management Research In Arid And Sub-Humid Lands Of Less Developed Countries: Fifth Annual Progress Report, Utah State University

Reports

No abstract provided.


Water Resources Planning To Satisfy Growing Demand In An Urbanizing Agricultural Region, Thomas C. Anderson Jan 1972

Water Resources Planning To Satisfy Growing Demand In An Urbanizing Agricultural Region, Thomas C. Anderson

Reports

Although it is condeded that an adequate supply of water is essential to economic growth and development, what constitutes an "adequate" supply is often controversial and difficult to determine. The problem can be solved by applying basin economic concepts: determining the value of water be estimating its supply and demand. This report demonstrates one method for doing this. The theory of the demand for irrigation water and its empirical application are discussed. An example problem based on data from one of the sub-regions of the study area (the Jordan River Basin of Utah) is presented to illustrate the method. The …


Studies To Develop And Investigate An Inverse Formulation For Numerically Solving Three-Dimensional Free Surface Potential Fluid Flows, Roland W. Jeppson Jan 1972

Studies To Develop And Investigate An Inverse Formulation For Numerically Solving Three-Dimensional Free Surface Potential Fluid Flows, Roland W. Jeppson

Reports

An inverse formulation is developed for solving three-dimensional potential fluid flows which considers the magnitudes of the cartesian coordinates x, y, and z as the dependent variables in the space defined by the potential function and two mutually orthogonal stream surface functions whose intersection defines the physical space streamlines. This formulation reverses the usual role of the variables. In this inverse space irregular boundaries, with unknown position in the physical space, such as free surfaces become plane boundaries, and the space of most potential flow problems is a parallelepiped. The basin partial differential equations resulting from this formulation are nonlinear …


The Hydraulics Of Waste Stabilization Ponds, Gary Z. Watters Jan 1972

The Hydraulics Of Waste Stabilization Ponds, Gary Z. Watters

Reports

The treatment efficiency of waste stabilization ponds depends primarily on the biological factors of type of waste and organic loading. However, the biological activity in a pond is greatly influenced by the environmental conditions of temperature, wind, sunlight, and the hydraulic flow patterns. In the past little attention has been given to the hydraulic characteristics of waste stabilization ponds such as the gross flow patterns within stabilization ponds as affected by the shape of the pond or lagoon, the presence of dead spaces, and positioning of inlets and outlets and the degree of density stratification. These hydraulic flow characteristics will …


The Great Salt Lake And Utah's Water Resources , Utah Water Research Laboratory Jan 1972

The Great Salt Lake And Utah's Water Resources , Utah Water Research Laboratory

Reports

Introduction: It is appropriate to introduce these proceedings with a brief description of this history and objectives of the American Water Resources Association (AWRA). Quoting from a recent information borchure published by the AWRA, it is a non-profit, scientific organization that was incorporated in the State of Illinous in March, 1964, with headquarters in Urbana, Illinois. A major factor in the establishment of the AWRA was the need for an organization to encourage and foster interdisciplinary communication between professionals of diverse backgrounds working on all aspects of water resources problems. The principal objectives of AWRA are stated briefly as follows: …