Compilation of emission inventories

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Compilation of emission inventories

• The situation in the Netherlands
• Special Session of the UNCEEA on Climate Change
• (New York, 25 June 2008 - afternoon)

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Content

• The Dutch Pollutant transfer and Emission
  Register (PRTR)
• From the emission register to the environmental
  accounts
• Bridge tables

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Dutch Pollutant transfer and Emission Register
(PRTR)

• Contains annual emission data on more than 350
  pollutants to air, soil and water
• Covers the whole process of
• collection, processing and reporting of emission
  data in the Netherlands
• Emissions of diffuse as well as point sources
  are collected in one central database

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Organisation
Coordinated by the Netherlands Environmental
Assessment Agency (MNP) on behalf of the Ministry
of Housing, Spatial Planning and the Environment
(VROM) and the Ministry of Transport, Public
Works and Water Management (VenW).
Co-operation of number of institutes

• VROM
• TNO
• Statistics Netherlands
• MNP
• LEI
• RWS/RIZA

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Objectives

• Annual monitoring of emissions to air, water and
  soil
• Annual monitoring of waste
• Environmental policy progress reporting
• Official emission data transmissions to national
  and international bodies
• Dissemination of emission data to the public and
  for research (dispersion modellers)

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Tasks

• Storage of all emission data in one central
  database
• Analysis of emission data with respect to
  pollutant, target sector, environmental theme and
  location
• Assessment of structural trends based on
  subsequent inventory years and identifying
  consequences for environmental policy

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Operational procedures

• Collection and processing of emission data are
  based on predefined technical guilelines
  standard protocols.
• For specfic areas, experts from participating
  organisations are represented in so-called task
  forces.
• Formal agreement is based on general consensus
  (polder model no leading institute)
• After intensive checking, data are authorized
  and stored in the central database
• Subsequently, diffuse sources are spatially
  allocated (GIS)

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Components

• More than 350 pollutants
• Selected by following international reporting
  obligations

• Kyoto Protocol,
• The Water Framework Directive,
• The 'European Pollution Release and
• Transfer Register' (E-PRTR)
• Various UN and EU obligations

• Some observed components are particularly
  relevant for national environmental policies

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Emission sources (I)

• The emission sources are categorized according to
  the following
• (sub) sectors, relevant to environmental
  policies
• Agriculture
• Chemical industry
• Construction
• Consumers
• Energy production
• Refineries
• Sewage and wastewater treatment
• Trade and services
• Transport and Waste disposal
• Other industries
• Nature
• Other

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Emission sources (II)

• Point sources Geographically located, measured
  or calculated (per individual factory or
  installation, e.g. refineries, power plants)
• 2) Diffuse sources Geographically unlocated
  (only for relevant pollutants, e.g. fine dust,
  water pollutants) (e.g. agriculture or road
  traffic)

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Compartments

• The emission register addresses five so-called
  compartments
• Air (emission to air)
• Air IPCC (for polIutatants subject to IPPC
  reportings)
• Soil (emissions to soil, including depositions)
• Water (to sewage and surface water)
• Load to surface water (net to surface water,
  after water purification)

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Sources of data in the central database
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Emission calculations

• Reported point sources
• Gross up system upscaling to national level
  using production per industrial sector
• Non industrial sources
• Emission Activity level x Emission factor
  (EAEF)
• Data on Activities are based on national
  statistics. Emission factors are based on
  measurements and calculations of a model or (the
  international) literature.

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Dimensions of emissions in the central database
12 sectors
X 5
5 x 5 km
350
1990 - 2007
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From emission register to the environmental
accounts

• Classification sector ? NACE 2-digit
• Adding international transport by residents
• Subtracting foreign transport on inland territory

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Classification of industries (I)

• Emission register Sources classified by sectors
  industry, agriculture, energy suppliers,
  sometimes NACE-coding is present
• Environmental accounts
• Classification by NACE 2-digit, following the
  standard National accounts tables by industry,
  breakdown by 58 industries households (2) 60
  activities

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Classification of industries (II)

• Allocating emissions to nace-codes by using
  additional sources
• Some examples
• Heating (combustion of gas) all services
  monetary data on gas use from national accounts
• Agriculture e.g. agriculture statistics, land
  use data, production of manure
• Specific (water) emissions by industry labour
  force data or business surveys

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Classification of industries (III)

• Mobile sources in emission register no
  allocation to NACE present in the Emission
  Register
• ? Monetary data on fuel consumption from National
  accounts are used to distribute emissions from
  mobile sources to industries

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Adding international transport

• Adding emissions by transport by residents
  abroad
• Substracting emissions by non-residents on
  national territory

Sources transport statistics, National account
data
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Three definitions for CO2 emissions

1. According to IPCC
2. Actual emissions
3. According to environmental accounts

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(1) IPCC definitions

• Emission from the national territory
• Short cyclic CO2 (combustion of biomass) is
  excluded
• Transport emissions are calculated according to
  the total of supplied motorfuels, regardsless the
  location where the consumption of fuels occurs
• Emissions from International transport are
  excluded
• No temperature correction

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(2) Actual emissions

• The actual emissions from the national territory

• Transport emissions from the national
  territory,
• regardless where the fuel was obtained
• All CO2 emission caused by human activites are
• included (short cyclic CO2)
• International transport only emissions within
• national boundaries
• No temperature correction

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(3) environmental accounts, NA based definition

• Emissions calculated according to actual
  emissions and resident principle
• Adding emissions by residents in ROW
• Substracting emissions by non-residents on
  national territory

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Bridge table
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Greenhouse gas emissions in the Netherlands
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Structural decomposition analyses greenhouse gas
emissions