A Laboratory Comparison Of Field Techniques For Measurement Of The Liquid Water Fraction Of Snow PDF Download
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Author | : Harold S. Boyne |
Publisher | : |
Total Pages | : 16 |
Release | : 1990 |
Genre | : Dielectric measurements |
ISBN | : |
Download A Laboratory Comparison of Field Techniques for Measurement of the Liquid Water Fraction of Snow Book in PDF, ePub and Kindle
The amount and distribution of liquid water in a snow cover is important for assessing its mechanical strength, meltwater generation and meltwater transmission. It also has a profound effect on the performance of active and passive remote sensing systems operating in the microwave and millimeter wave regions of the electromagnetic spectrum. New methods of measuring liquid water have been reported that show considerable promise. This report describes tests of measurement equivalence, in which are compared the three absolute methods of freezing calorimetry, alcohol calorimetry and dilution. Also compared are a capacitance snow moisture meter and one of the absolute methods. All comparisons were made in a laboratory coldroom using homogeneous snow with a mass liquid water content that varied from 0 to 14%. The comparisons show that the methods are equivalent and that the experimental errors associated with the measurements are consistent with what is expected from an error analysis of each method. However, the operational achievement of equivalence depends strongly on a variety of factors such as sample size, mixing of snow and working fluid, and operator skill. Keywords: Alcohol calorimetry tests; Dielectric snow moisture meter; Dilution tests; Freezing calorimetry tests; Laboratory tests; Liquid water fraction; Meltwater; Remote sensing; Snow cover; Snow liquid water fraction; Snow measurement; Snowmelt; Wet snow. (EDC).
Author | : |
Publisher | : |
Total Pages | : 16 |
Release | : 1990 |
Genre | : Arctic regions |
ISBN | : |
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Author | : |
Publisher | : |
Total Pages | : 228 |
Release | : 1993 |
Genre | : Arctic regions |
ISBN | : |
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Author | : David R. DeWalle |
Publisher | : Cambridge University Press |
Total Pages | : 482 |
Release | : 2008-07-03 |
Genre | : Science |
ISBN | : 1139471600 |
Download Principles of Snow Hydrology Book in PDF, ePub and Kindle
Principles of Snow Hydrology describes the factors that control the accumulation, melting and runoff of water from seasonal snowpacks over the surface of the earth. The book addresses not only the basic principles governing snow in the hydrologic cycle, but also the latest applications of remote sensing, and techniques for modeling streamflow from snowmelt across large mixed land-use river basins. Individual chapters are devoted to climatology and distribution of snow, snowpack energy exchange, snow chemistry, ground-based measurements and remote sensing of snowpack characteristics, snowpack management, and modeling snowmelt runoff. Many chapters have review questions and problems with solutions available online. This book is a reference book for practicing water resources managers and a text for advanced hydrology and water resources courses which span fields such as engineering, earth sciences, meteorology, biogeochemistry, forestry and range management, and water resources planning.
Author | : |
Publisher | : |
Total Pages | : 994 |
Release | : 1995 |
Genre | : Aeronautics |
ISBN | : |
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Author | : |
Publisher | : |
Total Pages | : 12 |
Release | : 1991 |
Genre | : Cold regions |
ISBN | : |
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Author | : |
Publisher | : |
Total Pages | : 976 |
Release | : 1990 |
Genre | : Highway engineering |
ISBN | : |
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Author | : |
Publisher | : |
Total Pages | : 626 |
Release | : 1995 |
Genre | : Science |
ISBN | : |
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Author | : E M. Morris |
Publisher | : |
Total Pages | : |
Release | : 1981 |
Genre | : |
ISBN | : |
Download Field measurement of the liquid water content of snow Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 884 |
Release | : 1990 |
Genre | : Highway engineering |
ISBN | : |
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