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Karty na yazvimostta8 en
Karty na yazvimostta8 en
Karty na yazvimostta8 en
Karty na yazvimostta8 en
Karty na yazvimostta8 en
Karty na yazvimostta8 en
Karty na yazvimostta8 en
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Karty na yazvimostta8 en

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  • 1. Програма за ТГС по ИПП България – Сърбия Flood vulnerability assessment and mapping in upper Nishava BasinTheoretical formulationsVulnerability - characteristic of a system that describes its potential to be damaged.Vulnerability can be considered a combination of sensitivity and value.Vulnerability is characterized by three dimensions: economic, social andenvironmental.The economic dimension of vulnerability is the risk for the production, its distributionand consumption.The social dimension of vulnerability recognizes the vulnerability of people.The emphasis is on thecoping capacity. Particularly vulnerable are the poor societies.The environmental dimension of vulnerability recognizes the ecosystem orenvironmental vulnerability or fragility. In case of environmental vulnerability, it isimportant to understand how the various natural systems / ecosystems cope with andrecover from various dangers.Basis for flood vulnerability mappingAs a basis for vulnerability mapping can be used cadastral maps of settlements,agricultural cadastre maps, images from Google Earth and ortho-images ofpotentially flooded areas. Fig.1 EUROPEAN UNION Bulgaria – Serbia IPA Cross-border Programme “Assessment of flood risk – a base for sustainable development in upper part of Nishavacatchment” Page 1
  • 2. Програма за ТГС по ИПП България – СърбияFig. 1. Cadastral map pf Gradine district, Republic of SerbiaFig.2. Orthophoto of Dimitrovgrad Town, Republic of Serbia EUROPEAN UNION Bulgaria – Serbia IPA Cross-border Programme “Assessment of flood risk – a base for sustainable development in upper part of Nishavacatchment” Page 2
  • 3. Програма за ТГС по ИПП България – СърбияFig.3. Image of Google Earth and potential flooding zones /Gradine district, Republicof Serbia /To obtain the most accurate map of potential flood areas we need to correlatedifferent sources such as Google Earth images and a cadastral map EUROPEAN UNION Bulgaria – Serbia IPA Cross-border Programme “Assessment of flood risk – a base for sustainable development in upper part of Nishavacatchment” Page 3
  • 4. Програма за ТГС по ИПП България – СърбияFig. 4 Combination of lanscape image of Google Earth and a cadastral map, Gradinedistrict, Republic of SerbiaVulnerability mappingFirst step – determination of the land use categories located in potentially floodhazardous zoneFive main categories are detemined:1. urbanized; 2. agricultural; 3. forest; 4. protected areas; 5. harmed areas. Ineach of these areas the law defines the specific purpose of land regulation statingthat it sets out detailed development plans (DDP). The five territorial types aredescribed on the basis of from CORINE 2006 information.Step two – determination of vulnerability ratio of the objects in first, second and thirdcategory for: - road infrastructure - technical infrastructure - constructions EUROPEAN UNION Bulgaria – Serbia IPA Cross-border Programme “Assessment of flood risk – a base for sustainable development in upper part of Nishavacatchment” Page 4
  • 5. Програма за ТГС по ИПП България – Сърбия - living estates and mixed building and social infrastructure - hydrotechnical infrastructure - production activities - cultural monuments - green areas Flood vulnerability mapping in upper Nishava Basin /to Dimitrovgrad Town/Figure 5. Vulnerability map of upper Nishava Basin (Google Earth image) EUROPEAN UNION Bulgaria – Serbia IPA Cross-border Programme “Assessment of flood risk – a base for sustainable development in upper part of Nishavacatchment” Page 5
  • 6. Програма за ТГС по ИПП България – Сърбия Figure 6 land use categories in potentially flooded areas (Corine 2006database) EUROPEAN UNION Bulgaria – Serbia IPA Cross-border Programme “Assessment of flood risk – a base for sustainable development in upper part of Nishavacatchment” Page 6
  • 7. Програма за ТГС по ИПП България – Сърбия Figure 7 Detailed vulnerability assessment (based on cadastral map ofDimitrovgrad Town , Gradishte district region) Vulnerability ratio Степента на уязвимост от наводнения в потенциалнозаливаемите площи е представена на Фиг.8. ................... EUROPEAN UNION Bulgaria – Serbia IPA Cross-border Programme “Assessment of flood risk – a base for sustainable development in upper part of Nishavacatchment” Page 7

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