linking economic accounts to the river basin based on: “integrated river basin accounting in the...
DESCRIPTION
WFD and Hybrid Accounts WFD: increase in demand for water-related dataWFD: increase in demand for water-related data Use Hybrid Accounts which provide information onUse Hybrid Accounts which provide information on - Intensity of water use by branches of industry - Intensity of water use by branches of industry - The physical flows of supply of water services - The physical flows of supply of water services - Production costs of water services - Production costs of water services - Environmental taxes related to water - Environmental taxes related to water -at National and River Basin levelTRANSCRIPT
Linking Economic Accounts Linking Economic Accounts to the River Basinto the River Basin
based on: “based on: “Integrated river basin accounting in the Netherlands and Integrated river basin accounting in the Netherlands and the European Water Framework Directive” (Brouwer et al, Statistical the European Water Framework Directive” (Brouwer et al, Statistical
J. of the UNECE 22 2005)J. of the UNECE 22 2005)
OutlineOutline
• Water Framework Directive and Hybrid Water Framework Directive and Hybrid accountsaccounts
• How to link the Regional Economic How to link the Regional Economic Accounts to the River BasinsAccounts to the River Basins
• Country experiencesCountry experiences• NetherlandsNetherlands• SwedenSweden• AustraliaAustralia
WFD and Hybrid AccountsWFD and Hybrid Accounts• WFD: increase in demand for water-related data WFD: increase in demand for water-related data • Use Hybrid Accounts which provide Use Hybrid Accounts which provide
information on information on - Intensity of water use by branches of - Intensity of water use by branches of
industryindustry - The physical flows of supply of water services- The physical flows of supply of water services - Production costs of water services- Production costs of water services - Environmental taxes related to water- Environmental taxes related to water
- at National and River Basin levelat National and River Basin level
Dutch River BasinsDutch River Basins
• As Rhine covers 70% of Dutch territory is split-up 4 sub-regions: North, East, West and Centre
River Basins vs Regional River Basins vs Regional Economic AccountsEconomic Accounts
Regional Economic AccountsRegional Economic Accounts• 12 Provinces12 Provinces• 40 Administrative Regions or COROP40 Administrative Regions or COROP
• Each COROP region consists of several Each COROP region consists of several municipalitiesmunicipalities
• 512 Municipalities512 Municipalities
• Regional accounts are at COROP levelRegional accounts are at COROP level• Focus on the production process in each unit, in Focus on the production process in each unit, in
the various regionsthe various regions
Assigning Regional Accounts to Assigning Regional Accounts to River Basins (1)River Basins (1)
ECONOMIC DATAECONOMIC DATA• 23 Regional Accounts fall directly within a specific River Basin23 Regional Accounts fall directly within a specific River Basin• Other 17 overlap: economic data allocated based on estimated percentage of Other 17 overlap: economic data allocated based on estimated percentage of
employees working in a specific River Basinemployees working in a specific River Basin• Reason: no economic data available at individual company levelReason: no economic data available at individual company level
Method:Method:• Identify specific branches of industry in these COROPsIdentify specific branches of industry in these COROPs• Identify number of employees in these branchesIdentify number of employees in these branches• Identify municipalities where these business units are locatedIdentify municipalities where these business units are located• If municipalities fall into 2 River Basins: Postal codesIf municipalities fall into 2 River Basins: Postal codes• If single postal code falls into 2 River Basins: business units and If single postal code falls into 2 River Basins: business units and
employees are allocated based on area of the postal code falling in that employees are allocated based on area of the postal code falling in that River BasinRiver Basin
Assigning Regional Accounts to Assigning Regional Accounts to River Basins (2)River Basins (2)
EMISSION DATAEMISSION DATA• Supplied by Regional Emission Registration (level Supplied by Regional Emission Registration (level
of individual plants)of individual plants)• If location of activity does not correspond with If location of activity does not correspond with
location of emission source, emissions are location of emission source, emissions are allocated to location of activityallocated to location of activity
WATER DATA (ABSTRACTION AND WATER DATA (ABSTRACTION AND RETURNS)RETURNS)
• National Water Survey conducted every 5 years National Water Survey conducted every 5 years • 7500 businesses7500 businesses
SwedenSwedenWATER DATA (ABSTRACTION AND RETURNS)WATER DATA (ABSTRACTION AND RETURNS)• Allocation of 289 municipality data to 8 River Basins, using GIS Allocation of 289 municipality data to 8 River Basins, using GIS
(Geographical information system)(Geographical information system)• 119 entirely within specific River Basin119 entirely within specific River Basin• 165 intersected with only minor part 165 intersected with only minor part oror all major urban areas all major urban areas
located within a River Basinlocated within a River Basin• 5 were disaggregated based on population percentages in urban 5 were disaggregated based on population percentages in urban
areasareas
• Survey on Manufacturing industry and Municipal Waste Water Survey on Manufacturing industry and Municipal Waste Water Treatment Plants leading to data for 114 drainage basinsTreatment Plants leading to data for 114 drainage basins
• Abstracted water for own use by households not connected to the Abstracted water for own use by households not connected to the public network estimated using real estate register + 189 litre/daypublic network estimated using real estate register + 189 litre/day
AustraliaAustraliaAGRICULTURAL WATER USEAGRICULTURAL WATER USE• Area-weighted-concordance method used to provide Area-weighted-concordance method used to provide
estimates on agricultural use at River Basin levelestimates on agricultural use at River Basin level• Agricultural census provides estimates on irrigated area by Agricultural census provides estimates on irrigated area by
type of crop (hectares)type of crop (hectares)• Calculate water use per hectare per cropCalculate water use per hectare per crop• Calculate Total Agricultural Water Use per Statistical Calculate Total Agricultural Water Use per Statistical
Local AreaLocal Area• Compare maps of Statistical Local Areas and River Compare maps of Statistical Local Areas and River
Basins: allocate water use based on percentage of Basins: allocate water use based on percentage of overlap of SLA with RBoverlap of SLA with RB
Comparison of approachesComparison of approaches
• COROP (NL) vs COROP (NL) vs municipality level (Sweden) vs municipality level (Sweden) vs Statistical Local Area (AUS)Statistical Local Area (AUS)
• Employees (NL) vs Employees (NL) vs inhabitants (Sweden) vs inhabitants (Sweden) vs area (AUS)area (AUS)
Different country-specific circumstancesDifferent country-specific circumstances
Results (Netherlands)Results (Netherlands)
50%
8%
10%
5%
21%
3%
3%
Rhine west Rhine mid Rhine east Rhine north Meuse Scheldt Ems
• Distribution of economic value added generated Distribution of economic value added generated in the various river basins in the Netherlandsin the various river basins in the Netherlands
GDP and environmental GDP and environmental indicators: national (NL)indicators: national (NL)
80
85
90
95
100
105
110
115
120
125
130
1996 1997 1998 1999 2000 2001
wastewaternutrientsheavy metalsGDP
• Suggests that water is used in a more efficient way
GDP and environmental GDP and environmental indicators: SCHELD River Basin indicators: SCHELD River Basin (NL)(NL)
60
70
80
90
100
110
120
130
140
1996 1997 1998 1999 2000 2001
wastewaternutrientsheavy metalsGDP
Water use in 2001 (NL)Water use in 2001 (NL)
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
tapwater sweetgroundwater
brackishgroundwater
sweet surfacewater
saltsurfacewater
SCHELD
MEUSE
EEMS
MID
EAST
NORD
WEST
Confidentiality (NL)Confidentiality (NL)• It concerns economic data and water flow dataIt concerns economic data and water flow data• Rules:Rules:
• Sector should consist of at least 3 or more companiesSector should consist of at least 3 or more companies• The largest company cannot employ more than 75% of The largest company cannot employ more than 75% of
employees in a specific regionemployees in a specific region• Largest company in a specific branch of industry cannot Largest company in a specific branch of industry cannot
employ more than 70% of total freshwater in that regionemploy more than 70% of total freshwater in that region• In terms of representation: confidentiality problems are In terms of representation: confidentiality problems are
solved by presenting two sectors togethersolved by presenting two sectors together
Example: Water use per River Basin per sector only compiled Example: Water use per River Basin per sector only compiled for 2 largest River Basins due to confidentiality reasonsfor 2 largest River Basins due to confidentiality reasons