The Dutch system of Water Accounts NAMWA The Dutch system of Water Accounts Sjoerd Schenau CBS...
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Transcript of The Dutch system of Water Accounts NAMWA The Dutch system of Water Accounts Sjoerd Schenau CBS...
NAMWA
The Dutch system of Water AccountsThe Dutch system of Water Accounts
Sjoerd Schenau
CBS (Statistics Netherlands)
National Accounts
Contents
1. 1. IntroductionEnvironmental accounting
2. 2. NAMWANAMWAScope and methods
3. 3. Current state of the artCurrent state of the art
The Dutch NAMWA and applications
4. 4. International workInternational work
What is NAMWA?What is NAMWA?
National Accounting Matrix including National Accounting Matrix including Water Accounts (NAMWA)Water Accounts (NAMWA)
Environmental accountingEnvironmental accounting
System of National Accounts (SNA)System of National Accounts (SNA)
National Accounts:
1. Detailed description of the national economy:
accounts, balance sheets
2. Key aggregate macroeconomic indicators (GDP, NI etc.)
based on internationally agreed definitions, accounting rules: SNA’93, ESA
Wa
ECONOMY ENVIRONMENT
What is environmental accounting ?
Environmental accounts
• The environmental accounts are a statistical framework that describe the relation between the economy and the environment
• The environmental accounts are composed in all EU member states according to the same rules
• In the environmental accounts pollutants are allocated to the different indutsries (NACE) and households
National Accounts
Social statistics Environmental statistics
Environmental accounting !!!!
Defenitions of Environmental accounting (SEEA)
Satelite account of the National Accounts The environmental acocunts are made according to the definitions of National accounts
Resident principle
Environmental – economic analyses
Emissions abroad are included !!
Environmental accounts
– Air emission accounts– Energy accounts– Material flow accounts– subsoil accounts– Waste accounts– Land use accounts– Water emission accounts– Water asset accounts– Water flow accounts
Work on NAMWA in the Work on NAMWA in the NetherlandsNetherlands
• Based on an experimental NAMWA published Based on an experimental NAMWA published in 1996in 1996
• Collaboration between RIZA and Statistics Collaboration between RIZA and Statistics NetherlandsNetherlands
• 2002: Extension of original NAMWA2002: Extension of original NAMWA• 2003-2005: further extension: addition of 2003-2005: further extension: addition of
more pollutants, more detail for river basinsmore pollutants, more detail for river basins
Scale: National and River BasinsScale: National and River Basins
Economic parameters
– National: overview of the expenses (vertical) and receipts (horizontal) with specific attention to water (waterboards, sewage taxes etc.)
– Regional: production, use, value added, number of employees per industry
NAMWA : the matrixNAMWA : the matrix
Account nr 1-10 11 12 13 14
1-10NAM (economic); mln Euros
11Water balance; mln m3
12 Emission balance; kg
13Water balance; mln m3
14 Emission balance; kg
Distribution of economic value added generated in the various river basins in the Netherlands
50%
8%
10%
5%
21%
3%
3%
Rhine west Rhine mid Rhine east Rhine north Meuse Scheldt Ems
Economic production 1996-2000
80
90
100
110
120
130
140
1996 1997 1998 1999 2000
nationaal
rijnwest
rijnmidden
rijnnoord
rijnoost
Emission accounts
– National en regional emission registration
– overview of the production and absorption of emissions by the industries
– 78 substances: o.a. P, N, heavy metals, pesticides etc.
Origin of pollutants
P N Heavy metals Waste water
Consumers x x x x x x x x
Producers–Agriculture–Fisheries–Mining–etc
x
x
x
x
x
x
x
x
x x x x x
x x x x x
x x x x x
x x x x x
x
x
x
x
Input from abroad x x x x x x x x
Total x x x x x x x x
Destination of pollutants
P N Heavy metals Waste water
Absorption x x x x x x x x
Export abroad x x x x x x x x
Env. indicators–eutrophication–Waste water–Heavy metals
x x
x x x x x
x
Total x x x x x x x x
Distribution emissions over the industries (2000)
0%
20%
40%
60%
80%
100%
As Cd Cr Cu Hg Pb Ni Zn P N
other
transport
environmental services
industry
agriculture
households
GDP and environmental indicators: national
80
85
90
95
100
105
110
115
120
125
130
1996 1997 1998 1999 2000 2001
wastewater
nutrients
heavy metals
GDP
GDP and environmental indicators : SCHELD
60
70
80
90
100
110
120
130
140
1996 1997 1998 1999 2000 2001
wastewater
nutrients
heavy metals
GDP
Water accounts
• Water survey from the CBS (national and regional)
• every 5 years
• production and use of fresh water (ground-, surface- en drinking water) per NACE
Use of water in 2001
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
tapwater sweetgroundwater
brackishgroundwater
sweet surfacewater
saltsurfacewater
SCHELD
MEUSE
EEMS
MID
EAST
NORD
WEST
Results so far
• National NAMWA for 1996 t/m 2003
• Regional NAMWA for 1996 t/m 2002
Usefulness of NAMWA for WFD (1)Usefulness of NAMWA for WFD (1)
NAMWA provides a NAMWA provides a consistentconsistent integrated economic- integrated economic- environmental accounting framework which providesenvironmental accounting framework which provides
information about:information about:
- 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 levelat National and River Basin level
Usefulness of NAMWA for WFD (2)Usefulness of NAMWA for WFD (2)
Hence NAMWA provides indicators about:Hence NAMWA provides indicators about:
- Extent and relative significance of - Extent and relative significance of
water serviceswater services
- Extent and relative significance of - Extent and relative significance of
water usewater use
- Cost recovery- Cost recovery
- Application of Polluter Pays Principle- Application of Polluter Pays Principle
Future workFuture work
• NAMWA as a regular ‘product’ from NAMWA as a regular ‘product’ from
2002 onwards2002 onwards
• Calculate data for 1990-1995Calculate data for 1990-1995
• Waterbalance every yearWaterbalance every year
• Composition of indicatorsComposition of indicators
• Publication of the data (also on the Publication of the data (also on the
internet)internet)