Application of satellite observations for assessment of regional hydrological and hydrogeological risks

Heading: 
Study of the Earth from Space
1Kostyuchenko, Yu.V, 2Kopachevsky, IM, 3Solovyov, DM, 4Yushchenko, MV, 5Akymenko, PO
1State institution «Scientific Centre for Aerospace Research of the Earth of the Institute of Geological Sciences of the National Academy of Sciences of Ukraine», Kyiv, Ukraine
2State institution «Scientific Centre for Aerospace Research of the Earth of the Institute of Geological Science of the National Academy of Sciences of Ukraine», Kyiv, Ukraine
3State institution «Scientific Centre for Aerospace Research of the Earth Institute of Geological Science National Academy of Sciences of Ukraine», Kyiv; Marine Hydrophysical Institute Ukrainian National Academy of Sciences, Sevastopol
4State institution «Scientific Centre for Aerospace Research of the Earth of the Institute of Geological Sciences of the National Academy of Sciences of Ukraine», Kyiv, Ukraine
5Aerospace Company of Ukraine, Kyiv,Ukraine
Kosm. nauka tehnol. 2011, 17 ;(6):19-29
https://doi.org/10.15407/knit2011.06.019
Publication Language: Ukrainian
Abstract: 
We discuss a procedure for the calculation of the hydrological and hydrogeological risk assessment with the use of remote sensing methods. A model for the propagation of dangerous processes is proposed and a procedure for satellite image decoding as well as for analyzing spectral indicators is developed on the basis of the model. Regional distributions of climatic parameters for the observational period are analyzed and key factors of impact are identified. The changes in values of the spectral indices are determined which can be used as information indicators of dangerous processes. We propose an equation to determine the stress probability from a set of spectral characteristics. A method for the assessment of the integrated risk associated with hydrological and hydrogeological hazards is developed.
Keywords: information indicators, satellite observations, spectral indices
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