Method for evaluating moisture tensions of soils using spectral

Details Method for evaluating moisture tensions of soils using spectral Method for evaluating moisture tensions of soils using spectral

1980-04-10

1982-01-12

Smith, Alfred E.

Radiant energy

Geological testing or irradiation

With sampling

250339, G01V 500, G01J 100

Patent

active

043107583

ABSTRACT:
A method is disclosed which permits evaluation of soil moisture utilizing remote sensing. Spectral measurements at a plurality of different wavelengths are taken with respect to sample soils and the bidirectional reflectance factor (BRF) measurements produced are submitted to regression analysis for development therefrom of predictable equations calculated for orderly relationships. Soil of unknown reflective and unknown soil moisture tension is thereafter analyzed for bidirectional reflectance and the resulting data utilized to determine the soil moisture tension of the soil as well as providing a prediction as to the bidirectional reflectance of the soil at other moisture tensions.

REFERENCES:
patent: 3524062 (1970-08-01), Rocoplan et al.
patent: 3532883 (1970-10-01), Dresia et al.
patent: 4146788 (1979-03-01), Mirkin et al.

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