5 October 2017 Application of SAR data for seasonal monitoring of floating reed islands dynamic in Srebarna Lake
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Abstract
The aim of this paper is seasonal monitoring of floating reed islands dynamic in Srebarna Lake (Bulgaria), using SAR data. In order to study the seasonal dynamic of floating reed islands (such as absolute and relative movement) the only opportunity which provides high-tech methods based on space remote sensing was used. Sensors by suitable parameters for data registration for this type of unsystematic landscape units were used. SAR data (Synthetic Aperture) are powerful high-tech tool for monitoring from the ground objects. SAR data images are privileged to register data at any time of the day or night and in adverse weather conditions, which are the main limiting factor in optical images. Seasonal monitoring of floating reed islands using SAR data was performed - winter - when the water in the lake is frozen, then a relative movement of these islands was observed, spring - melting snow cover and rising water level in the Danube River and Srebarna Lake was observed, when the water level is raised. Obtained results give a quantitative assessment of the ecological dynamics of these types of specific habitats in Srebarna Lake. They show the movement of the islands through the seasons in the period of six mounts, the changes in their shape and size. Regular seasonal monitoring of the floating reed islands dynamic is very important for their preservation as a specific habitat.
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Iva Ivanova, Iva Ivanova, Roumen Nedkov, Roumen Nedkov, Denitsa Borisova, Denitsa Borisova, } "Application of SAR data for seasonal monitoring of floating reed islands dynamic in Srebarna Lake", Proc. SPIE 10428, Earth Resources and Environmental Remote Sensing/GIS Applications VIII, 104280M (5 October 2017); doi: 10.1117/12.2278542; https://doi.org/10.1117/12.2278542
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