ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa


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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