Estimating Stream Bank and Bed Erosion and Deposition with Innovative and Traditional Methods

Paschalis Koutalakis, Georgios Gkiatas, Michael Xinogalos, Valasia Iakovoglou, Iordanis Kasapidis, Georgios Pagonis, Anastasia Savvopoulou, Konstantinos Krikopoulos, Theodoros Klepousniotis and George N. Zaimes ()
Additional contact information
Paschalis Koutalakis: Geomorphology, Edaphology and Riparian Areas Lab (GERi Lab), Department of Forestry and Natural Environment Science, International Hellenic University, University Campus, 1st km Dramas-Mikrohoriou, 66100 Drama, Greece
Georgios Gkiatas: Geomorphology, Edaphology and Riparian Areas Lab (GERi Lab), Department of Forestry and Natural Environment Science, International Hellenic University, University Campus, 1st km Dramas-Mikrohoriou, 66100 Drama, Greece
Michael Xinogalos: Astrolabe Engineering, Miaouli 26, 14671 Néa Erithraía, Attiki, Greece
Valasia Iakovoglou: Geomorphology, Edaphology and Riparian Areas Lab (GERi Lab), Department of Forestry and Natural Environment Science, International Hellenic University, University Campus, 1st km Dramas-Mikrohoriou, 66100 Drama, Greece
Iordanis Kasapidis: Geomorphology, Edaphology and Riparian Areas Lab (GERi Lab), Department of Forestry and Natural Environment Science, International Hellenic University, University Campus, 1st km Dramas-Mikrohoriou, 66100 Drama, Greece
Georgios Pagonis: Geomorphology, Edaphology and Riparian Areas Lab (GERi Lab), Department of Forestry and Natural Environment Science, International Hellenic University, University Campus, 1st km Dramas-Mikrohoriou, 66100 Drama, Greece
Anastasia Savvopoulou: Geomorphology, Edaphology and Riparian Areas Lab (GERi Lab), Department of Forestry and Natural Environment Science, International Hellenic University, University Campus, 1st km Dramas-Mikrohoriou, 66100 Drama, Greece
Konstantinos Krikopoulos: Geomorphology, Edaphology and Riparian Areas Lab (GERi Lab), Department of Forestry and Natural Environment Science, International Hellenic University, University Campus, 1st km Dramas-Mikrohoriou, 66100 Drama, Greece
Theodoros Klepousniotis: Geomorphology, Edaphology and Riparian Areas Lab (GERi Lab), Department of Forestry and Natural Environment Science, International Hellenic University, University Campus, 1st km Dramas-Mikrohoriou, 66100 Drama, Greece
George N. Zaimes: Geomorphology, Edaphology and Riparian Areas Lab (GERi Lab), Department of Forestry and Natural Environment Science, International Hellenic University, University Campus, 1st km Dramas-Mikrohoriou, 66100 Drama, Greece

Land, 2024, vol. 13, issue 2, 1-29

Abstract: Understanding the contributions of stream bank and bed erosion will allow us to implement the most effective management practices. The objective of this study was to assess different methods to measure bank and bed erosion at different scales, specifically the watershed, reach and plot. Innovative and traditional methods were utilized. At the watershed scale, indices based on free satellite images were used. For the reach scale, indices were used, but the images with higher accuracy were purchased and captured by unmanned aerial vehicles (UAVs). At the plot scale, erosion pins, cross-sections and laser scanning were applied. The watershed scale analysis showcased “hot spots”. These “hot spots” were reaches vulnerable to erosion and deposition. The indices of the purchased images were applied to these “hot spots” and allowed us to narrow the length of the reaches where UAV flights took place. These flight images located where erosion and deposition occurred. Finally, at the plot scale, laser scanning provided more detailed and accurate data at a greater scale compared to the traditional methods. The implementation of these methods allows us to find the areas vulnerable to erosion and deposition. These are the areas where nature-based solutions should be implemented to effectively mitigate erosion problems.

Keywords: watershed scale; reach scale; plot scale; satellite images; unmanned aerial vehicles; laser scanning (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2024
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