Investigation of Flood Management and Mitigation Measures in Ungauged NATURA Protected Watersheds

The aim of this study is to investigate the flood management and mitigation measures in ungauged NATURA protected watersheds. The examined watersheds are located in one the most European significant NATURA areas (Prespa Natural Park North Greece). SCS-CN model was applied to perform the hydrological...

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Main Authors: Aristeidis Kastridis, Georgios Theodosiou, Georgios Fotiadis
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Hydrology
Subjects:
Online Access:https://www.mdpi.com/2306-5338/8/4/170
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author Aristeidis Kastridis
Georgios Theodosiou
Georgios Fotiadis
author_facet Aristeidis Kastridis
Georgios Theodosiou
Georgios Fotiadis
author_sort Aristeidis Kastridis
collection DOAJ
description The aim of this study is to investigate the flood management and mitigation measures in ungauged NATURA protected watersheds. The examined watersheds are located in one the most European significant NATURA areas (Prespa Natural Park North Greece). SCS-CN model was applied to perform the hydrological modeling for extreme rainfalls of 50, 100 and 1000 return periods. Extensive field research was conducted to record all the hydrotechnical works of the study area, to evaluate their current condition and measure the respective hydraulic characteristics. The results of the hydrological modeling showed that the flood danger in the study area is generally low. However, almost the half of the hydrotechnical works could not discharge the high and medium probability (50 and 100 years) peak flows. The main causes are the extremely dense riparian vegetation that has been developed on the banks and the thalweg of the riverbeds and in some cases the inappropriate dimensioning of the technical works. The intense development of the riparian vegetation, has increased the roughness coefficient and reduced the dimensions and discharge capability of the technical works, while NATURA restrictions and regulations may be limiting any logging and trimming activities within the streams, especially in priority habitat types. Special Ecological Evaluation studies and educating the public about the necessity of the flood control measures and impact, could provide a framework for a thorough discussion about the flood management in NATURA areas.
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spelling doaj.art-95d97947662e4759adb2dde9e679f1d02023-11-23T08:39:35ZengMDPI AGHydrology2306-53382021-11-018417010.3390/hydrology8040170Investigation of Flood Management and Mitigation Measures in Ungauged NATURA Protected WatershedsAristeidis Kastridis0Georgios Theodosiou1Georgios Fotiadis2Laboratory of Mountainous Water Management and Control, School of Forestry and Natural Environment, Aristotle University of Thessaloniki, 54124 Thessaloniki, GreeceSchool of Forestry and Natural Environment, Aristotle University of Thessaloniki, 54124 Thessaloniki, GreeceSchool of Forestry and Management of Natural Environment, Agricultural University of Athens, 75 Iera Odos St., 11855 Athens, GreeceThe aim of this study is to investigate the flood management and mitigation measures in ungauged NATURA protected watersheds. The examined watersheds are located in one the most European significant NATURA areas (Prespa Natural Park North Greece). SCS-CN model was applied to perform the hydrological modeling for extreme rainfalls of 50, 100 and 1000 return periods. Extensive field research was conducted to record all the hydrotechnical works of the study area, to evaluate their current condition and measure the respective hydraulic characteristics. The results of the hydrological modeling showed that the flood danger in the study area is generally low. However, almost the half of the hydrotechnical works could not discharge the high and medium probability (50 and 100 years) peak flows. The main causes are the extremely dense riparian vegetation that has been developed on the banks and the thalweg of the riverbeds and in some cases the inappropriate dimensioning of the technical works. The intense development of the riparian vegetation, has increased the roughness coefficient and reduced the dimensions and discharge capability of the technical works, while NATURA restrictions and regulations may be limiting any logging and trimming activities within the streams, especially in priority habitat types. Special Ecological Evaluation studies and educating the public about the necessity of the flood control measures and impact, could provide a framework for a thorough discussion about the flood management in NATURA areas.https://www.mdpi.com/2306-5338/8/4/170flood generationhydrotechnical workshydrological modelingriparian vegetationSCS-CN model
spellingShingle Aristeidis Kastridis
Georgios Theodosiou
Georgios Fotiadis
Investigation of Flood Management and Mitigation Measures in Ungauged NATURA Protected Watersheds
Hydrology
flood generation
hydrotechnical works
hydrological modeling
riparian vegetation
SCS-CN model
title Investigation of Flood Management and Mitigation Measures in Ungauged NATURA Protected Watersheds
title_full Investigation of Flood Management and Mitigation Measures in Ungauged NATURA Protected Watersheds
title_fullStr Investigation of Flood Management and Mitigation Measures in Ungauged NATURA Protected Watersheds
title_full_unstemmed Investigation of Flood Management and Mitigation Measures in Ungauged NATURA Protected Watersheds
title_short Investigation of Flood Management and Mitigation Measures in Ungauged NATURA Protected Watersheds
title_sort investigation of flood management and mitigation measures in ungauged natura protected watersheds
topic flood generation
hydrotechnical works
hydrological modeling
riparian vegetation
SCS-CN model
url https://www.mdpi.com/2306-5338/8/4/170
work_keys_str_mv AT aristeidiskastridis investigationoffloodmanagementandmitigationmeasuresinungaugednaturaprotectedwatersheds
AT georgiostheodosiou investigationoffloodmanagementandmitigationmeasuresinungaugednaturaprotectedwatersheds
AT georgiosfotiadis investigationoffloodmanagementandmitigationmeasuresinungaugednaturaprotectedwatersheds