Airborne Gamma Ray Spectrometer Surveying |
Contents
SURVEY METHODOLOGY | 15 |
PRODUCTS IN NATURAL RADIOELEMENT MAPPING | 53 |
SEARCHING FOR RADIOACTIVE OBJECTS | 71 |
Copyright | |
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Common terms and phrases
AGRS airborne gamma ray aircraft background atmospheric radon attenuation coefficients barometric calculated calibration pads Chernobyl Chernobyl accident client Compton scattering cosmic and aircraft cosmic ray Counts/s data acquisition decay products described in Section detected detector package detector volume determined digital data electronic emitting energy window equation fallout fiducial field computer flight line flight path flown flying height gamma radiation gamma ray spectrometer Gävle Geological gridded ground concentrations ground level exposure high energy IAEA instruments level exposure rate line spacing low energy magnetometer man-made mbar method monitor natural radioelement mapping nuclear nuclides P.O. Box plotted potassium procedure processing produced profiles pulse radar altimeter radioactive radon background radon components sample source check statistical noise stripped count rates stripping ratios subtracted system sensitivities tapes temperature test strip Th window thorium three radioelements total count window unit spectra upward looking detectors uranium values window count rates