FREE ATMOSPHERE NO2 ABSOLUTE INTEGRAL CONCENTRATIONS REMOTE MEASUREMENT DEVELOPMENT WITH DAN-2 SPECTRORADIOMETER

摘要

Presented results of testing a developing equipment DAN-2, allowing remote define gas components in atmosphere with the or dioxide nitrogen. Experimental shown that under tilted corners of flexing , forming from the surface of the Land it is necessary to enter an additional calibring factors , connected with the solar spectrum transformation in atmosphere. When the DAN-2 remote spectroradiometer is operated for integral measurement of the content of minor atmospheric gases [3-6] it is often needed to use different types of the surface for calibration. This is connected, first of all, with enhancement of DAN-2 capabilities, for example, for indoor operation in extended room, for operation under the cloudy conditions, when calibration to the clear sky becomes impossible, for operation in coal strip mines, under urban conditions, etc. Different types of the surface used for calibration may significantly distort the reference spectrum, and this may lead to ambiguous results.