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ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa
CURRENT PROBLEMS IN REMOTE SENSING OF THE EARTH FROM SPACE

  

Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2018, Vol. 15, No. 4, pp. 225-235

Retrieval of integrated water vapor content of the atmosphere over the ocean using MTVZA-GY (Meteor-M No. 2) data

E.V. Pashinov 1 
1 Space Research Institute RAS, Moscow, Russia
Accepted: 10.07.2018
DOI: 10.21046/2070-7401-2018-15-4-225-235
Availability of vertical and horizontal polarization channels at frequencies of 23.8 and 18.7 GHz in the MTVZA-GY instrument allows applying polarization difference technique to retrieve the integrated water vapor content of the atmosphere. Similar techniques have been already developed for AMSR-E instrument. The paper proposes an adaptation of such a technique described in (Deeter, 2007) for MTVZA-GY data. It has required additional investigation and deriving new coefficients for the regression relation. A good correlation between the results of the calculations by the obtained regression relation and weather balloon data has been demonstrated. Also, an analysis showed a good correlation of the calculations based on MTVA-GY data and the GMI product provided by Remote Sensing Systems. Evaluation of the results of integrated water vapor content retrieval using the developed technique indicates the possibility of measurement with a relative error of less than 10 % in the range of 10 to 60 mm.
Keywords: remote sensing, integrated water vapor content, MTVZA-GY, microwave sounding, retrieving
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