1936
DOI: 10.1097/00010694-193612000-00001
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A New Method for Determining the Porosity of the Soil

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Cited by 33 publications
(9 citation statements)
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“…Pore‐size distribution was measured by using ceramic pressure plates (Richards 1947, 1948). The air porosity at 10 kPa matric suction (pF2) was determined with an air pycnometer (Torstensson & Eriksson 1936), and the total porosity was determined as the sum of air porosity and volumetric water content at 10 kPa matric suction. Fifteen, 22 and 30% volumetric soil moisture content represents soil water potentials of approximately −0·33, −0·04 and −0·005 MPa, respectively (Fig.…”
Section: Methodsmentioning
confidence: 99%
“…Pore‐size distribution was measured by using ceramic pressure plates (Richards 1947, 1948). The air porosity at 10 kPa matric suction (pF2) was determined with an air pycnometer (Torstensson & Eriksson 1936), and the total porosity was determined as the sum of air porosity and volumetric water content at 10 kPa matric suction. Fifteen, 22 and 30% volumetric soil moisture content represents soil water potentials of approximately −0·33, −0·04 and −0·005 MPa, respectively (Fig.…”
Section: Methodsmentioning
confidence: 99%
“…The resistance of the soil to the air causes a back pressure, which is then read off the pressure gauge, and recorded. Air permeameters have been discussed by Torstensson and Erickson (1936) …”
Section: Air Permeametermentioning
confidence: 99%
“…Many gas pycnometers reported in the literature loose accuracy from improper selection of construction materials; either the material is thermally too conductive, or too flexible (Torstensson and Eriksson, 1936;Stevens, 1938;Kummer and Cooper, 1945;Page, 1947;Russell, 1949). Flexible materials tend to yield error due to deformation of the system, which is assumed to have a constant volume.…”
Section: Previous Workmentioning
confidence: 99%