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Budapest – Hungary 8-10 February 2011
Workshop on Transboundary Water Cooperation in Centraland Western Europe
relator: PhD Geologist Alberto Cisotto
e-mail: [email protected]
THE ISONZO – SOČA
RIVER BASIN
Eastern Alps District
(NE Italy – W Slovenia)
www.adbve.it
Workshop on Transboundary Water Cooperation in Central and Western Europe
Overview Status & Pressures Management Conclusions 2/11
ISONZO BASINISONZO BASIN
Trenta Valley 955m asl (“Soča River”) W Slovenia
↓ 140 km (99 + 41)
Panzano Gulf North Adriatic Sea
GEOMORPHOLOGY • Gradient: 23 � 6 � 2 ‰• Total area: 3430 km2
� Italia 1,15 km2 (34%)� Slovenia 2,25 km2 (66%)
• Tributaries� Torre River sub-basin (Natisone & Iudrio R.)� Idrijca & Vipacco rivers
66 %34 %
Idrijca river
Workshop on Transboundary Water Cooperation in Central and Western Europe
Overview Status & Pressures Management Conclusions 3/11
� precipitation (mm/y)
� river
discharge
Pieris Gauging station
HYDROLOGY HYDROLOGY
Discharge characteristics
DischargePeriod of time
or date
Qav 172 m3/s _
Qmax 4400 m3/s 1925-1953
Qmin 12.1 m3/s 3 August 1904
Alpine Prealpine Hills Plain
2400-3100 2000-2500 1400-1800 1000-1400
Workshop on Transboundary Water Cooperation in Central and Western Europe
Overview Status & Pressures Management Conclusions 4/11
HYDROHYDRO--GEOLOGY: GEOLOGY:
water bodieswater bodies
GROUNDWATER
• porous system aquifer: clastic alluvial (gravel and sands) of Isonzo river (Quaternary Age)
• karstic & fractured aquifer: Cretaceous carbonatic rock, Timavo River
Workshop on Transboundary Water Cooperation in Central and Western Europe
Overview Status & Pressures Management Conclusions 5/11
QUALIQUALI-- & QUANTITATIVE STATUS& QUANTITATIVE STATUSSURFACE and GROUND WATER MONITORING NETWORK
Workshop on Transboundary Water Cooperation in Central and Western Europe
Overview Status & Pressures Management Conclusions 6/11
WATER WATER and and LAND USESLAND 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 Cooperation in Central and Western Europe
Overview Status & Pressures Management Conclusions 7/11
PROBLEMS and PRESSURESPROBLEMS and PRESSURES
TRANSBOUNDARY PROBLEMS� Conflicts relating to IT – SLO different
water resource use� Quality and quantity of the water status
PRESSURES:
Natural origin
� IDRJA Hg MINE
Antropic origin
� ORGANIC MATTER from Nova Gorica wastewater discharge
� SALCANO DAM
NORTH ADRIATIC
Workshop on Transboundary Water Cooperation in Central and Western Europe
Overview Status & Pressures Management Conclusions 8/11
Salcan DamSalcan Dam
In In
SlovenianSlovenian
territory territory
Workshop on Transboundary Water Cooperation in Central and Western Europe
Overview Status & Pressures Management Conclusions 9/11
The Isonzo Basin: which authorities are interested in?
ITALY SLOVENYMinistries of
Foreign Affairs andEnvironment and Protection of Land and Sea
Alto adriatico River Basin Authority
ARPA - Regional Agency for the Environment Protection
Ministry for Environment
National Civil Défense
ARSO –Environment Agency
Friuli-Venezia Giulia Region
ISPRA - Institute Environmental Protection and Research
Regional Civil Défense
…Prefecture and local Municipalities
Isonzo Plan BonificaConsortium
Gorizia Prefecture and local Municipalities
Provincia of Gorizia …
“Focal Points” 2000/60
Permanent Italian Slovenian Commision for Hydro-economy
MANAGEMENT PLAN MANAGEMENT PLAN - TRANSBOUNDARY PROJECTS TRANSBOUNDARY PROJECTS - COOPERATIONCOOPERATION
INSTITUTIONAL FRAMEWORKINSTITUTIONAL FRAMEWORK
Workshop on Transboundary Water Cooperation in Central and Western Europe
Overview Status & Pressures Management Conclusions 10/11
FINAL CONSIDERATIONFINAL 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”
Workshop on Transboundary Water Cooperation in Central and Western Europe
Overview Status & Pressures Management Conclusions 11/11
In the futureIn 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)
Budapest – Hungary 8-10 February 2011
Workshop on Transboundary Water Cooperation in Centraland Western Europe
relator: PhD Geologist Alberto Cisotto
e-mail address: [email protected]
relator: PhD Geologist Alberto Cisotto
e-mail: [email protected]
Thank you for your attention
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