Air emissions accounts by NACE Rev. 2 activity (env_ac_ainah_r2)

National Reference Metadata in Single Integrated Metadata Structure (SIMS)

Compiling agency: Statistics Norway


Eurostat metadata
Reference metadata
1. Contact
2. Metadata update
3. Statistical presentation
4. Unit of measure
5. Reference Period
6. Institutional Mandate
7. Confidentiality
8. Release policy
9. Frequency of dissemination
10. Accessibility and clarity
11. Quality management
12. Relevance
13. Accuracy
14. Timeliness and punctuality
15. Coherence and comparability
16. Cost and Burden
17. Data revision
18. Statistical processing
19. Comment
Related Metadata
Annexes (including footnotes)
 



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1. Contact Top
1.1. Contact organisation

Statistics Norway

1.2. Contact organisation unit

Section for energy, environmental and transport statistics

1.5. Contact mail address


2. Metadata update Top
2.1. Metadata last certified 30/09/2020
2.2. Metadata last posted 30/09/2022
2.3. Metadata last update 30/09/2022


3. Statistical presentation Top
3.1. Data description

Air emissions accounts (AEA) record flows of gaseous and particulate materials emitted into the atmosphere as a result of economic activity.

AEA are a subset of environmental-economic accounts. They offer a detailed breakdown for 64 emitting economic activities (NACE), plus households, as defined in the national accounts of EU countries. They are aligned with economic statistics and GDP. These features make them suitable for integrated environmental-economic analyses and modelling – for example of 'carbon footprints' and climate-change modelling scenarios.

National Statistical Institutes (NSI) submit AEA to Eurostat through a mandatory annual data collection. The data collection includes an electronic questionnaire and this quality report.

 

3.2. Classification system

The AEA dataset has the following dimensions:

1)           Air pollutant/Activity: Emissions to air of the following gaseous and particulate substances are collected (greenhouse gases, air pollutants):

Carbon dioxide without emissions from biomass (CO2),

Carbon dioxide from biomass (Biomass CO2)*,

Carbon dioxide from road traffic, without emissions from biomass (CO2_ROAD),

Nitrous oxide (N2O), Methane (CH4),

Perfluorocarbons (PFCs),

Hydrofluorocarbons (HFCs),

Sulphur hexafluoride (SF6) including nitrogen trifluoride (NF3),

Nitrogen oxides (NOx),

Nitrogen oxides from road traffic (NOx_ROAD),

Non-methane volatile organic compounds, (NMVOC),

Non-methane volatile organic compounds from road traffic (NMVOC_ROAD),

Carbon monoxide (CO),

Particulate matter < 10μm (PM10),

Particulate matter < 10μm from road traffic (PM10_ROAD),

Particulate matter < 2,5μm (PM2,5),

Particulate matter < 2,5μm from road traffic (PM2,5_ROAD),

Sulphur dioxide (SO2),

Ammonia (NH3)

2)           Geopolitical entity: EU Member States, EFTA Countries, Candidate Countries etc.

3)           Economic activities: include 64 production activities (classified by NACE rev.2 A*64), and households’ consumption (3 sub-classes).

4)           Time: reference year for which air emissions are reported

5)           Unit: tonnes and thousand tonnes

3.3. Coverage - sector

The data refer to national economies as defined in the system of national accounts. Greenhouse gases and air pollutants emitted by resident units representing the national economy are covered.

3.4. Statistical concepts and definitions

Conceptually AEA belong to the international system of environmental economic accounting (SEEA-Central Framework). Furthermore, AEA is one of several physical modules of Eurostat's programme on European environmental economic accounts. It is covered by Regulation (EU) No.691/2011 on European environmental economic accounts.

AEA are closely related to concepts and definitions of national accounts. Most notably, they follow the residence principle, i.e. they record emissions related to resident unit's activities, regardless where those occur geographically.

Further methodological guidelines are provided in various publications by Eurostat (see Eurostat website > Environment > Methodology, heading: 'Air emissions accounts').

3.5. Statistical unit

Data refer to emissions by resident economic units in the sense of SEEA CF 2012 and National Accounts (ESA), including households.

3.6. Statistical population

The national economy is as defined in SEEA CF 2012 and National Accounts (ESA), i.e. all economic activities undertaken by resident units.

3.7. Reference area

The reference area is the economic territory as defined in SEEA CF 2012 and National Accounts (ESA). A unit is said to be a resident unit of a country when it has a centre of economic interest in the economic territory of that country, that is, when it engages for an extended period (1 year or more) in economic activities in that territory.

By following this residence principle, the Air Emission Accounts record emissions from resident units' activities, regardless where they occur. This is the main conceptual difference to emission inventories for greenhouse gases (UNFCCC) and air pollutants (CLRTAP).

3.8. Coverage - Time

2008 - 2021

3.9. Base period

Not applicable because AEA are not reported as indices.


4. Unit of measure Top

The unit of measure is tonnes or thousand tonnes.

F-gases (HFC, PFC, SF6 and NF3) are reported in tonnes of CO2 equivalents.

SOX are reported in tonnes of SO2 equivalents, and NOX are reported in tonnes of NO2 equivalents.


5. Reference Period Top

The data refer to calendar years.


6. Institutional Mandate Top
6.1. Institutional Mandate - legal acts and other agreements

Air emissions accounts (AEA) are legally covered by Regulation (EU) 691/2011on European Environmental Economic Accounts.

6.2. Institutional Mandate - data sharing

Not applicable at national level.


7. Confidentiality Top
7.1. Confidentiality - policy

Norwegian Statistics act 21.06.2019 § 10

7.2. Confidentiality - data treatment

C19 includes C20 and C21 for confidentiality reasons


8. Release policy Top
8.1. Release calendar

Yes

8.2. Release calendar access

Calendar - SSB

8.3. Release policy - user access

3 months prior to release


9. Frequency of dissemination Top

Data are disseminated annually.


10. Accessibility and clarity Top
10.1. Dissemination format - News release

https://www.ssb.no/en/natur-og-miljo/forurensning-og-klima/statistikk/utslipp-til-luft

 

10.2. Dissemination format - Publications

https://www.ssb.no/en/natur-og-miljo/forurensning-og-klima/statistikk/utslipp-til-luft

10.3. Dissemination format - online database

https://www.ssb.no/en/statbank/list/klimagassn

10.3.1. Data tables - consultations

https://www.ssb.no/en/statbank/list/klimagassn

10.4. Dissemination format - microdata access

Not applicable

10.5. Dissemination format - other

Not applicable

10.5.1. Metadata - consultations

Not applicable

10.6. Documentation on methodology

Based on Manual for air emissions accounts - Products Manuals and Guidelines - Eurostat (europa.eu)

10.6.1. Metadata completeness - rate

Not applicable

10.7. Quality management - documentation

Not applicable


11. Quality management Top
11.1. Quality assurance

As described in the Norwegian NIR and IIR

11.2. Quality management - assessment

As described in the Norwegian NIR and IIR


12. Relevance Top
12.1. Relevance - User Needs

Not applicable

12.2. Relevance - User Satisfaction

Not applicable

12.3. Completeness

Emissions for the years 2008 to 2021 is reported.

12.3.1. Data completeness - rate

Not applicable; To ensure comparability, this will be calculated and provided by EUROSTAT in the European quality report using a standardised method.


13. Accuracy Top
13.1. Accuracy - overall

See Annex 1.



Annexes:
Annex 1
13.2. Sampling error

Not applicable because data are not based on a sample survey.

13.2.1. Sampling error - indicators

Not applicable because data are not based on a sample survey.

13.3. Non-sampling error

Not applicable.

13.3.1. Coverage error

Not applicable.

13.3.1.1. Over-coverage - rate

Not applicable.

13.3.1.2. Common units - proportion

Not applicable.

13.3.2. Measurement error

Not applicable.

13.3.3. Non response error

Not applicable.

13.3.3.1. Unit non-response - rate

Not applicable.

13.3.3.2. Item non-response - rate

Not applicable.

13.3.4. Processing error

Not applicable.

13.3.5. Model assumption error

Not applicable.


14. Timeliness and punctuality Top
14.1. Timeliness

Emissions from Norwegian economic activity, by industry and pollutant is released at www.ssb.no 11 months after the last year in the time series.

 

14.1.1. Time lag - first result

Not applicable.

14.1.2. Time lag - final result

Not applicable.

14.2. Punctuality

Emissions from Norwegian economic activity, by industry and pollutant  for the time series 1990 to 2021 was released at www.ssb.no 11 months after the last year in the time series.

14.2.1. Punctuality - delivery and publication

Good


15. Coherence and comparability Top
15.1. Comparability - geographical

AEA are compiled according to harmonised guidelines provided by Eurostat and hence comparable across European countries reporting AEA to Eurostat.

15.1.1. Asymmetry for mirror flow statistics - coefficient

Not applicable.

15.2. Comparability - over time

See Annex 2.



Annexes:
Annex 2
15.2.1. Length of comparable time series

Not applicable; To ensure comparability, this will be calculated and provided by EUROSTAT in the European quality report using a standardised method.

15.3. Coherence - cross domain

As desribed in 15.3.1 and 15.3.2

15.3.1. Coherence - sub annual and annual statistics

Not applicable, because AEA data are annual.

15.3.2. Coherence - National Accounts

Yes

15.4. Coherence - internal

Not applicable


16. Cost and Burden Top

Substantial


17. Data revision Top
17.1. Data revision - policy

Not applicable

17.2. Data revision - practice

Not applicable; To ensure comparability, this will be calculated and provided by EUROSTAT in the European quality report using a standardised method.

17.2.1. Data revision - average size

Not applicable; To ensure comparability, this will be calculated and provided by EUROSTAT in the European quality report using a standardised method.


18. Statistical processing Top
18.1. Source data

Activity data from diverse national and international statistics

18.2. Frequency of data collection

Annually

18.3. Data collection

Mostly based on other statistics released at Statistics Norway

18.4. Data validation

Data are compared with previous years, both on a detailed level and on aggregated level.

18.5. Data compilation

As describibed in 18.5.1 to 18.5.4

18.5.1. Imputation - rate

Not applicable.

18.5.2. Method used to allocate emissions to economic activities

NACE

18.5.3. Method used to determine and distribute road transport emissions

NACE

18.5.4. Adjustments for residence principle

No adjustments for the resident principle are made for land transport due to the assumtion that Norwegians travel equaly amount abroad by land transport as forreigners travel by land transport in Norway. No adjustments are made for fishing abroad due to lack of information of how much fuel is used abroad.

We do adjust for the resident principle for Norwegian companies that have aviation and navigation as their industry, due to information on how much fuel is purchased and used aboroad. We also have information on how much foreign aviation and navigation companies use bunker in Norway and in international transport.

 

 

18.6. Adjustment

Not applicable

18.6.1. Seasonal adjustment

Not applicable.


19. Comment Top


Related metadata Top


Annexes Top