Determination of Soil Water Content from Terrestrial Gamma Radiation Measurements
Title | Determination of Soil Water Content from Terrestrial Gamma Radiation Measurements PDF eBook |
Author | H. S. Loijens |
Publisher | |
Pages | |
Release | 1980 |
Genre | |
ISBN |
The Measurement of Soil Moisture and Density by Neutron and Gamma-ray Scattering
Title | The Measurement of Soil Moisture and Density by Neutron and Gamma-ray Scattering PDF eBook |
Author | Donald Jenks Belcher |
Publisher | |
Pages | 28 |
Release | 1950 |
Genre | Gamma rays |
ISBN |
The Use of Radioactive Material for the Measurement of Water Content and Density of Soil
Title | The Use of Radioactive Material for the Measurement of Water Content and Density of Soil PDF eBook |
Author | Robert Horonjeff |
Publisher | |
Pages | 128 |
Release | 1954 |
Genre | Soils |
ISBN |
Density and Moisture Content Measurements by Nuclear Methods
Title | Density and Moisture Content Measurements by Nuclear Methods PDF eBook |
Author | Robin P. Gardner |
Publisher | |
Pages | 56 |
Release | 1967 |
Genre | Radioactive gages |
ISBN |
Sources of error that have been identified on the gamma-ray soil density gauge are: (1) sensitivity to local density variations, especially at the soil surface, (2) sensitivity to soil composition, and (3) inaccurate calibration techniques. An attempt was made to solve these problems by developing for each gauge calibration models that enable stable and homogenous non-soil standards to be used for calibration. Calibration standards and calibration models for each gauge were found and tested. In the process of developing and testing the new nuclear gauge calibration model, the dual-gauge principal of compensating these gauges for variations in soil composition was discovered. The air-gap method of using this principal is explained and was optimized by using the calibration model developed in the current study.
Movement of Soil Water as Inferred from Moisture Content Measurements by Gamma Ray Absorption
Title | Movement of Soil Water as Inferred from Moisture Content Measurements by Gamma Ray Absorption PDF eBook |
Author | Albert Hayden Ferguson |
Publisher | |
Pages | 134 |
Release | 1959 |
Genre | Gamma rays |
ISBN |
Determining Water Content and Bulk Density of Soil by Gamma Ray Attenuation Methods
Title | Determining Water Content and Bulk Density of Soil by Gamma Ray Attenuation Methods PDF eBook |
Author | E. S. B. Ferraz |
Publisher | |
Pages | 68 |
Release | 1979 |
Genre | Soil moisture |
ISBN |
Methods of Measuring Soil Moisture in the Field
Title | Methods of Measuring Soil Moisture in the Field PDF eBook |
Author | Arnold Ivan Johnson |
Publisher | |
Pages | 36 |
Release | 1962 |
Genre | Hydrology |
ISBN |
Evaluates methods for measuring soil moisture and describes the equipment used.