Measurement of the Vapor Pressure of Soil Moisture with Mercury Manometer Tensiometers at Air Temperatures Below 0C (Messung der Bodenwasserspannung mit Hg-Manometer-Tensiometern bei Lufttemperaturen unter 0C),
COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER N H
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A method for tensiometer measurements of soil moisture tension at air temperatures below 0C is described. A column of decahydronaphthalin decalin, density 0.89 forms the hydraulic connection between the water in the tensiometer ceramic cell and the Hg-manometer. Experimental results and some restrictions of the method especially the necessary solar radiation protection are discussed.
- Hydrology, Limnology and Potamology
- Soil Mechanics
- Test Facilities, Equipment and Methods