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MULTI-WAVELENGTH AIRBORNE LASER SCANNING AND MULTISPECTRAL UAV-BORNE IMAGING. ABILITY TO DISTINGUISH SELECTED HYDROMORPHOLOGICAL INDICATORS

Goraj, M.; Karsznia, K.; Sikorska, D.; Hejduk, L.; Chormanski, J.
Abstract:
The Water Framework Directive obliges the member states of the European Union to monitor the state and ecological potential of water bodies. The assessment is based on physicochemical indicators, biological elements and hydromorphological conditions. As part of the hydromorphological conditions assessment, the following is taken into account: spatial layout of the watercourse, water depth, bottom substrate, as well as the presence, spatial and species structure of aquatic and riparian plant communities. Considering current technological conditions including the availability of low-cost unmanned aerial vehicles (UAV), lightweight passive multispectral cameras, as well as multi-wavelength airborne laser scanning (MW-ALS). It is possible to identify some indicators of the hydromorphological state in a more objectified and representative way than traditional route observations. As part of the conducted tests, reference measurements of selected parameters were made: water depth, leaf area index (LAI), chlorophyll content (CC). MW-ALS acquisition have been prepared in coregistration with UAV flights. This paper presents the results of the regression and accuracy analysis of selected quantities used for the hydromorphological status assessment based on the remote sensing active and passive technologies.
SGEM Research areas:
Year:
2018
Type of Publication:
In Proceedings
Keywords:
hydromorphology; water quality; remote sensing
Volume:
18
SGEM Book title:
18th International Multidisciplinary Scientific GeoConference SGEM2018
Book number:
1.5
SGEM Series:
International Multidisciplinary Scientific GeoConference-SGEM
Pages:
359-366
Publisher address:
51 Alexander Malinov blvd, Sofia, 1712, Bulgaria
SGEM supporters:
Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
Period:
3 – 6 December, 2018
ISBN:
978-619-7408-72-0
ISSN:
1314-2704
Conference:
18th International Multidisciplinary Scientific GeoConference SGEM2018, 3 – 6 December, 2018
DOI:
10.5593/sgem2018V/1.5/S02.045
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