Preliminary Version Of Surface Water and Groundwater ...
Transcript of Preliminary Version Of Surface Water and Groundwater ...
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Preliminary VersionOf
Surface Water and GroundwaterResources Government Plan
(Preliminare di Piano Stralcio per il governo della risorsa idrica superficiale e sotterranea)
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REFERENCES FOR WATER RESOURCES PLANNING
Planning process for water resources has been based on italian laws:
L. 183/89 (soil defense)
L. 36/94 (water use)
D. Lgs. 152/99 (water protection from pollution risk)
and on Water Framework Directive 2000/60/CE (WFD).
The WFD has been transposed into italian legislation with the law D.Lgs. 152/06.
On the basis of D.P.S.I.R. methodology, Basin Authority has made a preliminar individuation of determinant and pressure systems, and nowis going to complete D.P.S.I.R. application.
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PRELIMINARY VERSION OF SURFACE WATER AND GROUNDWATER RESOURCES GOVERNMENT PLAN
Planning activities
SURFACE WATERGROUNDWATER
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PLANNING PROCESS:FLOW CHART
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STATUS(IMPACTS)
PRESSURESPHYSICAL SYSTEM
PLANNING PROCESS:FLOW CHART
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First step of planning activities consisted in definition of physical system features for GROUNDWATERS and SURFACE WATERS.Description of physical system required analysis of followingthemes:
geology and hydrogeologymain groundwater bodiesmain natural and artificial surface water bodies, hydrology and climatology (rain, temperature,
evapotraspiration, flow, etc.)hydraulics (morphology, River Functional Index)
PRELIMINARY VERSION OF SURFACE WATER AND GROUNDWATER RESOURCES GOVERNMENT PLAN
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GEOLOGICAL MAP
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GEOLOGICAL CROSS SECTIONS OFFUCINO PLAIN
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HYDROGEOLOGICAL MAP
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HYDROGEOLOGICAL CROSS SECTIONS OFFUCINO PLAIN
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MAIN GROUNDWATER BODIES MAP
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RIVER NETWORK AND RELATED SUB-BASINS
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Potential pollutant loads
Water requirement
Main water exploitation points
Main interregional water resources transfers
Wastewater discharge points and treatment plants
Land use map
Urbanization map
PRESSURES
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POTENTIAL POLLUTANT LOADS
BOD5 N total
P total
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WATER REQUIREMENT
Drinking water
Breading water Industrial water
Irrigation water
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MAIN WATER EXPLOITATION POINTS
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MAIN INTERREGIONAL WATER RESOURCES TRANSFERS
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WASTEWATER DISCHARGE POINTS AND TREATMENT PLANTS
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LAND USE MAP
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URBANIZATION MAP
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STATUS(IMPACTS)
water balance
minimum stream flow (deflusso minimo vitale)
groundwater and surface water quality
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WATER BALANCE
Water balance is pointed to define a strategy for government of water resources, and to guarantee a sustenaible uses.Aim of water balance is:
to quantify hydrologic cycle componentsto quantify water exploitationto identify new resourcesto provide informations for studies at local scaleto plan future exploitation based on water demand
Water balance has been computed referring to:• natural conditions: input and output volumes are referred to naturalcondition without considering resources exploitation. • uses: input and output volumes are computed including resourcesexploitation, present and future water demand, and minimunstreamflow.
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SIMPLIFIED MODEL FOR HYDROLOGIC ACCOUNT
PEvapotraspirazione reale
ΔWVolume immagazzinato
Sottobacino idrograficoo idro-struttura
VuVe
Precipitazioni
ET
Volume uscenteVolume
entrante
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WATER BALANCE CALCULATING POINTS
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MINIMUM STREAM FLOW (Deflusso Minimo Vitale)
Minimum Stream Flow for biological life (Deflusso Minimo Vitale) is the flow value to guarantee preservation of river ecosystem.Fondamental parameters:
natural: hydrology, hydrogeology, river ecosystemhuman: river geometry modification, pollutant loads.
There are many methods to compute DMV. Usually they are based on hydrologic and environmental variables.
Basin Authority used:hydrological-environmental method, computes DMV using
geomorphologic and hydrologic parametrs coupled with environmental factorexperimental method of microhabitat, computes DMV using environmental
conditions fit for water life.
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DMV computed withhydrological - enviromental method
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WATER QUALITY Surface water quality and enviromental level map
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WATER QUALITY Groundwater qualitymap: chemical level
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MONITORING NETWORK Groundwater
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MONITORING NETWORK Surface water
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SPECIFIC PROGRAM FOR WATER RESOURCES MANAGEMENT
Basin Authority elaborated two special program focused on water resources management:
Quality and quantity monitoring network for groundwaterand surface water in Volturno basin
Program for groundwater and surface water resourcesmanagement in Fucino Plain.
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MONITORING NETWORK LAYOUT DESIGNED FOR VOLTURNO BASIN
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FUCINO PLAIN: DATA COLLECTION FOR GROUNDWATER AND SURFACE
WATER PROTECTION PROGRAM
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FUCINO PLAIN: field investigations
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ACTIVITIES FOR WFD IMPLEMENTATION
Basin Authority is involved in implementation process of WFD, and its technical staff realised report document required in art. 5.The report provides an analysis of Liri-Garigliano and Volturno basincharacteristics, and undertakes an impact review of human activity on the status of waters in accordance with the requirements of art. 5. Report contains:
a characterization of water bodies, including a preliminarindividuation of heavily modified water bodies
a review pressures and impacts and identify sites at risk of not meeting the environmental objective of ‘good status’
a register of Protected Areas
All informations used to realise report derive from Water Resources Government Plan elaborated by Basin Authority.
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SURFACE WATER BODIES AT RISK MAP
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PROTECTED AREAS
LEGENDA