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INPUT to GEO Task Force meeting 11 April 2007 Global Climate Observing System (GCOS)

This document highlights the recent milestones achieved by GCOS in support of the UNFCCC, as well as its role within the Global Earth Observation System of Systems (GEOSS). It emphasizes the importance of GCOS in providing climate information for development decisions and adaptation to climate variability and change.

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INPUT to GEO Task Force meeting 11 April 2007 Global Climate Observing System (GCOS)

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  1. INPUT to GEO Task Force meeting 11 April 2007 Global Climate Observing System (GCOS) Gilles Sommeria and Stephan Bojinski, GCOS Secretariat

  2. GCOS Recent Milestones • GCOS 2nd Adequacy Report in Support of the UNFCCC (2003): identified gaps and deficiencies in observing systems for climate • GCOS Implementation Plan in Support of the UNFCCC (2004) : the roadmap for the global climate observing system in the next 5-10 years (in situ, space-based, models, institutions, agents) • September 2006: Publication of GCOS-107 “Systematic Observation Requirements for Satellite-based Products for Climate” (‘Satellite Supplement’ to GCOS IP) • October/November 2006: Publication by Space Agencies (CEOS): “Satellite Observation of the Climate System”; as a response to space component of GCOS IP • 2000-2006: 10 regional workshops and action plans followed by pilot effort to incorporate climate information into development decisions in Africa (Addis Ababa meeting in April 2006 leading to ClimDevAfrica programme)

  3. GCOS and GEOSS • GCOS was conceived as a “System of Systems” for the observation of global aspects of climate • It is based on the established atmospheric, oceanic and terrestrial observing systems of its sponsors, and benefits from observational and research programmes of countries and institutions • It is considered as the climate component of GEOSS • GCOS aims at satisfying most, ultimately all observation needs of the ‘Climate SBA’ • GCOS should ultimately satisfy most climate observation needs of all SBAs

  4. GCOS in GEOSS 10 year PlanGEOSS • Supports GCOS Implementation Plan • Promotes completion of existing observing systems • Facilitates exchange and access to data • Facilitates development of new observing systems • Supports development and provision of integrated climate products • Supports compliance with GCOS Climate Monitoring Principles and WMO data reporting guidelines.

  5. GCOS contribution to GEO tasks • Three major contributions to climate SBA (with partner organisations) - Sustained reprocessing and reanalysis of the climate record (Cl-06 01) - Key climate observations in response to GCOS IP: Space-based (Cl 06-02), Terrestrial (Cl-06 03), Cryosphere (Cl-06 05), Ocean (Cl 06 06) - (Obs. Support to Seamless Weather and Climate Prediction System, Cl 07 P1) • Participation in cross-cutting activities: - US-06-01: identifying critical Earth observation priorities common to many GEOSS SBAs - US-07-02: Inter-institutional coordination towards achieving the Millennium Development Goals - US-07-03: Integration of environmental risk management into development processes - DA-07-03: CEOS Constellations

  6. Message for Ministerial (1) • GEO has provided support and visibility to the GCOS IP among its members, and a number of actions have progressed as planned (to be detailed as suitable) • Special mention should be made of thefruitful cooperation between GCOS and space agencies under CEOS and CGMS, leading to - the CEOS Response to GCOS IP and its incorporation in the CEOS Implementation Plan for Space-Based Observations for GEOSS - the concept under WMO leadership of a Global Network of Regional Specialized Satellite Centres for climate monitoring • GCOS has an important role to play in the provision of climate information for development decisions and adaptation to climate variability and change • Support at ministerial level is necessary to achieve a number of priority actions from GCOS IP following guidelines from the Gleneagles 2005 “Plan of Action” (as detailed below)

  7. Message for Ministerial (2)(actions which require specific support) • Sollicit ministerial support for a number of priority actions from CEOS strategic plan, jointly defined between CEOS, GCOS and GEOSec, and which serve a number of SBAs • Sollicit ministerial support for ClimDevAfrica: a commitment from EC would be particularly appropriate and welcome. This action is in line with the GEO capacity building objective and its support to developing nations • Sollicit ministerial support for the implementation or reinforcement of in situ observing systems:among the priorities, one could mention for example the ocean observing system which presently relies heavily on research funding, and the baseline surface radiation network,( this message should be consolidated before final formulation).

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