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, 2014, Vol. 11, No. 1, pp. 182-189

Application of multitemporal satellite data for the control of artificial reservoirs' coast condition

S.М. Borzov1 , O.P. Bikineeva2 
1 Institute of Automation and Electrometry, Novosibirsk, Russia
2 Novosibirsk State University, Novosibirsk, Russia
Traditionally, the water objects coasts monitoring problem is solved using distance measurements from defined points up to the edge of eroded coast with interpolation of measurement results. The paper is devoted to research of a possibility to use high resolution satellite images for control and forecasting of the process of artificial reservoirs coasts destruction. A monitoring method based on estimations of the inclination angle of a coastal zone bottom by defining the water-land border position on several images received during one season at various water-levels of a basin, is offered. The basic stages of processing are: orthorectification of images, classification, definition of a water-land border, estimation of the inclination angle of bottom and representation of results of the analysis as a map of coast steepness. Efficiency of key procedures of the developed algorithm is shown by the example of processing images of the Novosibirsk water basin from SPOT 4 of 22.05.08 (water level 273 cm) and 8.08.08 (water level 596 cm). It is shown that the analysis of the specified images with spatial resolution of 20 m allows estimating the bottom inclination angle in the coastal zone in the range of 0,5–10 degrees. This range is enough to classify various sites of the coastal line by their damageability (typical inclination angles of artificial reservoirs coasts is about 2–3 degrees).
Keywords: processing of satellite images, change detection, control of coasts destruction.
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