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Transcript
Challenges in adjusting statistical
systems to support analysis of climate
change
Meeting of climate change related statistics for producers and
users
19-20 November 2012, Geneva
Leo Kolttola
Introduction
Large part of the necessary data for analysing climate
change is already available in the statistical systems.
 These data need to be developed further to fit the needs of
climate analysis since they were not originally designed for
that purpose.
 We need to identify where improvements to the statistical
system are required

Leo Kolttola
20/11/2012
2
Current state
National statistical system
 statistical organisations and units within a country that
jointly collect, process and disseminate official statistics
on behalf of national government.
 National statistical office
 usually has the coordination role of the system
 Most statistical offices provide basic data on economic
activity for ghg-inventories
 About one quarter take part in the inventory calculations
 Measurement of the state of climate and the direct impact
of climate change is largely based on sources outside the
official statistical system

Leo Kolttola
20/11/2012
3
Statistical infrastructure
Tools that support the operation of a statistical system
(ABS)
 Examples: computer systems, metadata repositories,
legislation, standards and classifications, frameworks and
information development plans.
 In addition, the organizational structure and resources,
quality assurance and guidelines as well as cooperation
networks have a great influence on statistical work.

Leo Kolttola
20/11/2012
4
Legislation
A balance between the need to collect and use
demographic and sensitive information and the need to
protect respondent and provider identity.
 As the data needs related to climate change are very
detailed confidentiality poses a particular challenge.
 geo-referenced data
 microdata

Leo Kolttola
20/11/2012
5
Standards
Standards refer to a comprehensive set of statistical and
methodological concepts and definitions used to achieve
uniform treatment of statistical issues across time and
space.
 Comparability and coherence are important are particularly
important where data is obtained from multiple sources and
have to be combined or where outputs are used in a wide
variety of contexts.

Leo Kolttola
20/11/2012
6
Statistical classifications
The classifications currently used in the national statistical
systems do not fully incorporate the requirements of
producing climate change related statistics. There are also
differences in the classifications used in the greenhouse
gas emission inventories and those used by national
statistical offices.
 All of the related classifications (such as ISIC, CPC, SITC,
COFOG, COICOP, etc.), can be adapted to include new
aspects.

Leo Kolttola
20/11/2012
7
Frameworks
A framework is a set of assumptions, concepts, principles
values and practices that underpin statistical collections in
particular areas of interest.
 the System of Environmental-Economic Accounts
(SEEA)
 the UN Framework for the development of environment
statistics (FDES)
 FDES considers the links between data needed for
monitoring climate change and existing environmental
statistics
 The UNFCCC and IPCC reporting guidelines form an
information framework for the greenhouse gas emission
inventory data.

Leo Kolttola
20/11/2012
8
Statistical methods and computer systems
Much of climate change related statistics is very closely
related to spatial information e.g. meteorological data and
population in danger of floods.
 Spatial statistics often require highly complicated and
sophisticated methods, for instance spatial interpolation.
 Climate change related statistics might require adoption or
development of new statistical models or methods not used
in the national statistical system otherwise.

Leo Kolttola
20/11/2012
9
Organizational structures and production resources
Production resources of new areas of statistics are
naturally relatively small.
 Standardisation of production processes could enable
some re-allocation of resources to new areas
 Existing data could be re-sorted to match many of the new
data needs with limited additional costs.
 Cross-sectional statistics may pose challenges to the
structure and functioning of statistical organizations.

Leo Kolttola
20/11/2012
10
Quality assurance and guidelines
Criteria for official statistics:
 Fundamental Principles of Official Statistics (UN)
 International Statistical Institute’s Declaration on
Professional Ethics
 The European Statistics Code of Practice
 The UNFCCC reporting guidelines and the IPCC guidelines
for national greenhouse gas emission inventories and
IPCC:
 Good Practice Guidance (GPG)
 Uncertainty Management in National GHG Inventories
 Good practice guidance for land use, land-use change
and forestry (LULUCF)

Leo Kolttola
20/11/2012
11
Knowledge
Climate change involves complex interactions between
systems, is multi-disciplinary in nature and anchored
largely in the natural sciences
 Spatial statistics often use highly sophisticated methods
 The substantive knowledge in climate issues is spread
around many different agencies, ministries and research
institutes
 Statisticians need training

Leo Kolttola
20/11/2012
12
Cooperation networks
The information needed is scattered across a variety of
national and international organisations.
 With regard to cross-sectional data close cooperation and
networking with other organizations are a necessity.
 Meeting the data needs of emission inventories requires:
 cooperation throughout the statistical system and
 other producers of climate information as well as
 strong engagement with users.
 Greater interaction between statistical offices and
environmental and energy agencies is also needed.

Leo Kolttola
20/11/2012
13