PROJEKT FRISCO1 ANG CROSS-BORDER HARMONIZED COMPREHENSIVE FLOOD RISK REDUCTION STUDY FOR THE SOTLA RIVER BASIN abstract INTERREG V-A Slovenia–Croatia 2014–2020 Cooperation Programme Project: FRISCO 1 – Cross-border Harmonised Slovenian-Croatian Flood Risk Reduction – Non-structural Measures Objective: The FRISCO1 project – Technical assistance in the elaboration of a comprehensive study in the flood risk reduction for the Sotla cross-border basin Documentation type: CROSS- BORDER HARMONIZED COMPREHENSIVE FLOOD RISK REDUCTION STUDY FOR THE SOTLA RIVER BASIN ABSTRACT June 2019 INTERREG V-A Slovenia–Croatia 2014–2020 Cooperation Programme Project: FRISCO 1 – Cross-border Harmonised Slovenian-Croatian Flood Risk Reduction – Non-structural Measures Objective: The FRISCO1 project – Technical assistance in the elaboration of a comprehensive study in the flood risk reduction for the Sotla cross-border basin Documentation type: CROSS- BORDER HARMONIZED COMPREHENSIVE FLOOD RISK REDUCTION STUDY FOR THE SOTLA RIVER BASIN ABSTRACT June 2019 TABLE OF CONTENTS 1 INTRODUCTORY PRESENTATION OF THE FRISCO 1 PROJECT.............................. 4 2 CROSS-BORDER STUDY OF COMPREHENSIVE FLOOD RISK MANAGEMENT OF THE SOTLA RIVER .......................................................................................................................5 2.1 THE PROGRAMME ................................................................................................................... 5 2.2 THE PROJECT ............................................................................................................................ 6 2.3 THE SUBJECT ............................................................................................................................ 6 2.4 THE SPONSOR .......................................................................................................................... 6 2.5 THE CONTRACTOR ................................................................................................................... 6 2.6 THE TASK MONITORING AND MANAGEMENT .......................................................................... 7 2.7 THE PURPOSE AND OBJECTIVES OF THE STUDY ........................................................................ 7 2.8 THE PURPOSE AND OBJECTIVE OF THE SUMMARY OF THE CROSS-BORDER HARMONISED STUDY IN FLOOD RISK REDUCTION OF THE SOTLA ............................................................................... 7 3 SUMMARY OF CROSS-BORDER HARMONISED STUDY IN FLOOD RISK REDUCTION OF THE SOTLA.....................................................................................................................8 3.1 ANALYSIS OF THE CURRENT SITUATION.................................................................................... 8 3.1.1 COLLECTION AND ANALYSIS OF EXISTING DATA ................................................................ 8 3.1.2 DESCRIPTION OF THE CURRENT SITUATION ...................................................................... 8 3.1.2.1 General description of the Sotla river basin .............................................................................. 8 3.1.2.2 Area of the Sotla river basin relevant for the FRISCO 1 project .................................................. 9 3.1.2.3 Geographical description of the relevant area......................................................................... 10 3.1.2.4 Climatic features .................................................................................................................... 10 3.1.2.5 Soil ......................................................................................................................................... 10 3.1.2.6 The water environment .......................................................................................................... 10 3.1.2.7 Nature.................................................................................................................................... 11 3.1.2.8 Cultural Heritage .................................................................................................................... 12 3.1.2.9 The Population ....................................................................................................................... 12 3.1.2.10 The Economy.......................................................................................................................... 12 3.1.2.11 The spatial use ....................................................................................................................... 13 3.1.2.12 The current state of the environment ..................................................................................... 13 3.1.3 THE HYDROLOGICAL ANALYSIS ....................................................................................... 13 3.1.3.1 Description of starting points and used data ........................................................................... 13 3.1.3.2 Setting up a hydraulic model .................................................................................................. 14 TABLE OF CONTENTS 1 INTRODUCTORY PRESENTATION OF THE FRISCO 1 PROJECT.............................. 4 2 CROSS-BORDER STUDY OF COMPREHENSIVE FLOOD RISK MANAGEMENT OF THE SOTLA RIVER .......................................................................................................................5 2.1 THE PROGRAMME ................................................................................................................... 5 2.2 THE PROJECT ............................................................................................................................ 6 2.3 THE SUBJECT ............................................................................................................................ 6 2.4 THE SPONSOR .......................................................................................................................... 6 2.5 THE CONTRACTOR ................................................................................................................... 6 2.6 THE TASK MONITORING AND MANAGEMENT .......................................................................... 7 2.7 THE PURPOSE AND OBJECTIVES OF THE STUDY ........................................................................ 7 2.8 THE PURPOSE AND OBJECTIVE OF THE SUMMARY OF THE CROSS-BORDER HARMONISED STUDY IN FLOOD RISK REDUCTION OF THE SOTLA ............................................................................... 7 3 SUMMARY OF CROSS-BORDER HARMONISED STUDY IN FLOOD RISK REDUCTION OF THE SOTLA.....................................................................................................................8 3.1 ANALYSIS OF THE CURRENT SITUATION.................................................................................... 8 3.1.1 COLLECTION AND ANALYSIS OF EXISTING DATA ................................................................ 8 3.1.2 DESCRIPTION OF THE CURRENT SITUATION ...................................................................... 8 3.1.2.1 General description of the Sotla river basin .............................................................................. 8 3.1.2.2 Area of the Sotla river basin relevant for the FRISCO 1 project .................................................. 9 3.1.2.3 Geographical description of the relevant area......................................................................... 10 3.1.2.4 Climatic features .................................................................................................................... 10 3.1.2.5 Soil ......................................................................................................................................... 10 3.1.2.6 The water environment .......................................................................................................... 10 3.1.2.7 Nature.................................................................................................................................... 11 3.1.2.8 Cultural Heritage .................................................................................................................... 12 3.1.2.9 The Population ....................................................................................................................... 12 3.1.2.10 The Economy.......................................................................................................................... 12 3.1.2.11 The spatial use ....................................................................................................................... 13 3.1.2.12 The current state of the environment ..................................................................................... 13 3.1.3 THE HYDROLOGICAL ANALYSIS ....................................................................................... 13 3.1.3.1 Description of starting points and used data ........................................................................... 13 3.1.3.2 Setting up a hydraulic model .................................................................................................. 14 3.1.3.3 Precipitation analysis .............................................................................................................. 15 3.1.3.4 Calibration of the hydrological model ..................................................................................... 16 3.1.3.5 Results of hydrological modelling ..........................................................................................