THE ISONZO SOČA. Workshop on Transboundary Water Cooperation in Central and Western Europe. Eastern Alps District.

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Delilah Simmons
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1 relator: PhD Geologist Alberto Cisotto THE ISONZO SOČA RIVER BASIN Eastern Alps District (NE Italy W Slovenia) Workshop on Transboundary Water Cooperation in Central and Western Europe Budapest Hungary 8-10 February 2011

2 ISONZO BASIN MANAGEMENT PLAN Trenta Valley 955m asl ( Soča River ) 140 km ( ) W Slovenia 34 % Panzano Gulf North Adriatic Sea 66 % GEOMORPHOLOGY Gradient: Total area: 3430 km 2 Italia 1,15 km 2 (34%) Slovenia 2,25 km 2 (66%) Tributaries Torre River sub-basin basin (Natisone & Iudrio R) R.) Idrijca & Vipacco rivers Overview Status & Pressures Management Conclusions 2/11

3 HYDROLOGY precipitation (mm/y) Alpine Prealpine Hills Plain river discharge Discharge characteristics Discharge Period of time or date Q av 172 m 3 /s _ Pieris Gauging Q max 4400 m 3 /s station Q min m 3 /s 3 August Monthly Avg Discharge [m 3 /s] M.Piuma gauging station n d g f m a m g l a s o n d g Overview Status & Pressures Management Conclusions 3/11

$karstic & fractured$ aquifer: Cretaceous

4 IDRO-GEOLOGY: water bodies GROUNDWATER porous system aquifer: clastic alluvial (gravel and sands) of Isonzo river (Quaternary Age) Workshop on Transboundary Water karstic & fractured aquifer: Cretaceous carbonatic rock, Timavo River Overview Status & Pressures Management Conclusions 4/11

5 QUALI- & QUANTITATIVE STATUS SURFACE and GROUND WATER MONITORING NETWORK Overview Status & Pressures Management Conclusions 5/11

6 WATER and LAND USES DAMS Salcano artificial regulation of floods Sottosella, Canale, Crosis RIVER WITHDRAWLS energy and industrial use agricoltural use LAND & COVER USE Forests 49% Cropland 44% Urban 6% Waterbodies 0,7% Workshop on Transboundary Water Overview Status & Pressures Management Conclusions 6/11

7 Workshop on Transboundary Water PROBLEMS and d PRESSURES TRANSBOUNDARY PROBLEMS PRESSURES: Conflicts relating to IT SLO different water resource use Quality and quantity of the water status Natural origin IDRJA Hg MINE Antropic origin ORGANIC MATTER from Nova Gorica wastewater discharge SALCANO DAM NORTH ADRIATIC Overview Status & Pressures Management Conclusions 7/11

8 Salcan Dam In Slovenian territory Overview Status & Pressures Management Conclusions 8/11

9 INSTITUTIONAL FRAMEWORK Permanent Italian Slovenian Commision for Hydro-economy MANAGEMENT PLAN - TRANSBOUNDARY PROJECTS - COOPERATION The Isonzo Basin: which authorities are interested in? ITALY Focal Points 2000/60 SLOVENY Ministries of Foreign Affairs and Alto adriatico ARPA - Regional National Civil Environment and River Basin Agency for the Ministry for Défense Protection of Land Authority Environment Environment and Sea Protection Friuli-Venezia Giulia Region Isonzo Plan Bonifica Consortium ISPRA - Institute Environmental Regional Civil Prefecture and Protection and Défense local Municipalities Research Gorizia Prefecture and local Municipalities Provincia of Gorizia ARSO Environment Agency Overview Status & Pressures Management Conclusions 9/11

10 FINAL CONSIDERATION Eastern Alps Hydrographic District Management Plan has individuated IT-SLO Permanent Commission for Hydro-Economy like - official public organism to discuss transboundary water problems (art. 3 of WFD 2000/60) The first step of the commission (april 2010) was to define a expert group with the consign of: - set out a road map for implementation of 1ST ITALIAN-SLOVENIAN ISONZO COMMON MANAGEMENT PLAN Overview Status & Pressures Management Conclusions 10/11

11 In the future.. IT-SLO Permanent Commis. for Hydro-economy has established a technical committee to plan a cross-border monitoring network will be operational in 2015 (data of the first review of the management plan) Overview Status & Pressures Management Conclusions 11/11

12 relator: PhD Geologist Alberto Cisotto Thank you for your attention relator: address: PhD Geologist Alberto Cisotto Workshop on Transboundary Water Cooperation in Central and Western Europe Budapest Hungary 8-10 February 2011

13 IMPACT & RESPONCES TARGETS common understanding and comparability of methods exchange of informations and available data interactive characterization of water bodies status and monitoring (chemical, ecological and quantitative) integrated assessment methods by the definition of expert working group. Overview Status & Pressures Management Conclusions 13/11

14 EUROPE Workshop on Transboundary Water IMPACT & RESPONCES Economic Cooperation - Osimo 1975 Dir. 2000/60/CE other than Dir. 76/160/CEE and 2006/7/CE (bathing waters) ITALY DLgs 152/2006 L 13/2009 SLOVENY Overview Status & Pressures Management Conclusions 14/11

15 WATER and LAND USES DAMS Salcano artificial regulation of floods Sottosella, Canale, Crosis RIVER DRAWINGS energy and industrial use agricolture waterneeds LAND & COVER USE Forests 40% Cropland 45% Grassland 6% Workshop on Transboundary Water Actual water need ha Gross waterneeds Volumes Daily Flood Gross waterneed [mm/7days /ha] [ l/ha ] [ l/s ] [m 3 / s ] 50,0 mm ,0 l/ha 0,827 l/s 8,267 m 3 /s Overview Status & Pressures Management Conclusions 15/11

16 Pressioni: Idria carta di inquin HG?? Overview Status & Pressures Management Conclusions 16/11

THE ISONZO SOČA RIVER BASIN

relator: PhD Geologist Alberto Cisotto e-mail: alberto.cisotto@adbve.it www.adbve.it THE ISONZO SOČA RIVER BASIN Eastern Alps District (NE Italy W Slovenia) Workshop on Transboundary Water Cooperation