Bertalan szabo

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LATERAL EROSION MONITORING
ALONG A SOUTHERN SECTION OF
SAJÓ (SLANÁ) RIVER
László Bertalan – Gergely Szabó PhD.
Department of Physical Geography and Geoinformatics
University of Debrecen
UAV4 Conference, Brno – Budkovice Airport - 11.05.2015.

Channel morphometry
analysis
Archive military aerial
photographs
• 1951
• 1956
• 1975
• 1988
Topographic maps
• 1:10.000 (1980)
Ortophotos
• 2000
• 2005
• 2011
Spatio-temporal analysis of Sajó River

1 – Not regulated section; 2 – Regulated section
Natural and Anthropogenic changes
HD72/EOV

Low-cost UAV measurements
• DJI Phantom 2 UAV
• GoPro Hero 3+ camera
• Trimble S9
2 cm RTK-GPS for GCP
• Agisoft Photoscan
stereophotogrammetry
processing software

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Bertalan szabo

1. LATERAL EROSION MONITORING ALONG A SOUTHERN SECTION OF SAJÓ (SLANÁ) RIVER László Bertalan – Gergely Szabó PhD. Department of Physical Geography and Geoinformatics University of Debrecen UAV4 Conference, Brno – Budkovice Airport - 11.05.2015.

2. Location of Sajó (Slaná) River

3. Channel morphometry analysis Archive military aerial photographs • 1951 • 1956 • 1975 • 1988 Topographic maps • 1:10.000 (1980) Ortophotos • 2000 • 2005 • 2011 Spatio-temporal analysis of Sajó River

4. Changes in the centerline

5. 1 – Not regulated section; 2 – Regulated section Natural and Anthropogenic changes HD72/EOV

6. Low-cost UAV measurements • DJI Phantom 2 UAV • GoPro Hero 3+ camera • Trimble S9 2 cm RTK-GPS for GCP • Agisoft Photoscan stereophotogrammetry processing software

7. Sample areas for UAV measurements

8. Sample area 1.

10.

11. 5,11 m 5,88 m

12.

13. Sample area 2-3.

14.

15.

16. HD72/EOV

17. HD72/EOV

18. Next step: volume estimation from DSM

19. Next step: volume estimation from DSM