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    Archived pages: 10 . Archive date: 2012-12.

  • Title: QA4EO
    Descriptive info: .. skip to:.. page content.. |.. links on this page.. site navigation.. footer (site information).. subglobal1 link.. subglobal2 link.. subglobal3 link.. subglobal4 link.. subglobal5 link.. subglobal6 link.. subglobal7 link.. subglobal8 link.. Home.. QA4EO Explained.. Workshops.. Documentation.. Resources.. Contact.. Providing guidance on the quality assurance of Earth  ...   QA4EO Workshop on 'Providing Harmonised Quality Information in Earth Observation Data by 2015.. ' took place from 18th - 20th October 2011.. The workshop agenda, participants and presentations are available.. here.. Please visit the.. Documentation page.. for the latest versions of the QA4EO framework and guidelines..

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  • Title: QA4EO Background
    Descriptive info: Home.. QA4EO Explained.. Documentation.. Resources.. Contact.. QA4EO has been endorsed by CEOS as a contribution to facilitate the GEO vision for a Global Earth Observation System of Systems (GEOSS).. The aim of GEOSS is to deliver comprehensive.. and timely knowledge / information products worldwide to meet the needs of its nine societal benefit areas.. This can only be achieved through the synergistic use of data derived from a variety of sources (satellite, airborne and in situ) and the coordination of the resources and efforts of the GEO members.. To accomplish this vision, starting from a system of disparate systems that were built for a multitude of applications, requires the establishment of an internationally coordinated operational framework to facilitate interoperability and harmonisation.. The success of this  ...   manner, CEOS (the space arm of GEO), through discussion with calibration and validation experts from around the world, established QA4EO to facilitate interoperability of GEO systems.. QA4EO is based on the adoption of guiding principles, which are implemented through a set of key operational guidelines derived from best practices, for implementation by the GEO community.. Although these guidelines were originally developed to meet the needs of the space community, they have been written with the aid of national metrology institutes of the UK and the USA and, where appropriate, are based on best practices of the wider non-EO community.. They should therefore be readily adoptable by all GEO communities as a top-level framework that can subsequently be translated and implemented to serve each specialist need..

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  • Title: QA4EO Workshop
    Descriptive info: Workshops.. Recent.. 2011 - QA4EO Workshop on 'Providing Harmonised Quality Information in Earth Observation Data by 2015', Harwell, UK (18th - 20th October).. 2009 - QA4EO Workshop on 'Facilitating Implementation: Guiding Principles', Antalya, Turkey (29th September - 1st October).. 2008 - GEO/CEOS Workshop on Quality Assurance of Calibration Validation Processes: Establishing an Operational Framework', Gaithersburg, USA (6th - 8th May).. 2007 - GEO / CEOS Workshop on 'Quality Assurance of Calibration and Validation Processes', Geneva, Switzerland (2nd - 4th October)..

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  • Title: QA4EO Documentation
    Descriptive info: A short QA4EO user guide has been produced to provide background into QA4EO and how one would start implementing it.. Download your.. copy of the QA4EO GUIDE here.. The Quality Assurance Framework for Earth Observation consists of seven distinct key guidelines linked through an overarching document - the.. QA4EO PRINCIPLES.. Guideline.. QA4EO-QAEO-GEN-DQK-002.. ( A guide to content of a documentary procedure to meet the Quality Assurance requirements of GEO ) is essentially the core requirement for QA4EO.. If processes are carried out in full compliance of this fundamental guide, a user can have confidence in any resultant output.. provides the template to guide the user through the process, aided by the other six key guidelines for specific technical details, but in principle this guide provides all the information needed to be compliant.. In considering issues of interoperability and international harmonisation within any specific GEO community it is often helpful to start with a review of generic activities and from these define key requirements that drive the QA process.. For example, in the space sector all derived information products originate from a measurement made by a satellite sensor.. Thus, a set of key activities for every sensor could be defined for implementation  ...   to reference standards in support of Quality.. Assurance requirements of QA4EO.. QA4EO-QAEO-GEN-DQK-004.. A guide to comparisons organisation, operation and analysis to establish measurement equivalence to underpin the Quality Assurance requirements of QA4EO.. QA4EO-QAEO-GEN-DQK-005.. A guide to establishing validated models, algorithms and.. software to underpin the Quality Assurance requirements of QA4EO.. QA4EO-QAEO-GEN-DQK-006.. A guide to expression of uncertainty of measurements.. QA4EO-QAEO-GEN-DQK-007.. A guide to establishing quantitative evidence of traceability to underpin the Quality Assurance requirements of QA4EO.. Other more community-specific QA4EO procedures (.. currently all in draft form.. ) are as follows:.. QA4EO-WGCV-IVO-CLP-001.. Use of the Moon for in-flight calibration stability monitoring.. QA4EO-WGCV-IVO-CLP-002.. Protocol for the CEOS WGCV Comparison of techniques/instruments used for surface IR radiance/brightness temperature measurements.. QA4EO-WGCV-IVO-CLP-003.. A procedure for establishing a land-based reference standard test-site.. QA4EO-WGCV-IVO-CLP-004.. A best practise guide to land test-site characterisation.. QA4EO-WGCV-IVO-CLP-005.. Guidelines for the identification and set-up of new systems complying with requirements for satellite ocean color applications.. QA4EO-WGCV-IVO-CLP-006.. Methodologies that should be applied to determine immersion factors for both radiance and irradiance underwater sensors.. QA4EO-WGCV-IVO-CLP-007.. Absolute Calibration using Rayleigh Scattering.. QA4EO-WGCV-IVO-CLP-008.. Protocol for the CEOS WGCV pilot Comparison of techniques/instruments used for vicarious calibration of land surface imaging through a ground reference standard test site..

    Original link path: /documentation.html
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  • Title: QA4EO Documentation
    Descriptive info: QA4EO User Guide.. QA4EO Concept.. Presentation (.. pdf.. ).. QA4EO Poster Flyer.. Poster (.. ).. Flyer (.. Presentations.. QA4EO presentation made at GEO-VII, Istanbul, Turkey - 16 November 2011.. QA4EO Special Session at IGARSS 2009 - July 2009.. Presentation on QA4EO to the GSICS Executive meeting  ...   CEOS WGCV plenary, Ilhabela, Brazil - 27 May 2009.. Presentation on QA4EO at the IAF GEOSS Subcommittee Meeting - 17 March 2009.. Logos and Graphics.. jpeg (2529 x 900 pixels, 130kb).. png (4797 x 900 pixels, 713kb.. png (426 x 90, 26kb).. png ( 3000, 480, 1Mb)..

    Original link path: /resources.html
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  • Title: QA4EO Documentation
    Descriptive info: For more information on QA4EO please contact the CEOS WGCV Secretariat (Carrie Jucht) at.. cjucht@usgs.. gov..

    Original link path: /contacts.html
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  • Title: QA4EO Workshop
    Descriptive info: QA4EO Workshop on Providing Harmonised Quality Information in Earth Observation Data by 2015.. A QA4EO workshop on Providing Harmonised Quality Information in Earth Observation Data by 2015 was chaired by the.. Group on Earth Observations (GEO).. and hosted by RAL Space in Harwell, Oxfordshire UK from Tuesday 18 October - Thursday 20 October 2011.. 2011 Workshop Meeting Minutes.. 2011 Workshop Participants.. Outline Agenda.. Tues 18 Oct 11.. Wed 19 Oct 11.. Thurs 20 Oct 11.. Morning.. Setting the scene.. Case study 2: Atmosphere Climate Change.. Way forward: Developing a strategy roadmap.. Afternoon.. Case study 1: Forest Carbon Tracking.. Case study 3: Biodiversity.. GEO and QA4EO (Yasukini Okubo, GEO) - 1.. 5Mb pdf.. European Environment Agency perspectives (Jaqueline McGlade, EEA) - 9.. 3Mb pdf.. US Environment Protection Agency perspectives (Gary Foley, EPA) - 0.. 5Mb pdf.. IEEE and QA4EO (Irwin Alber, IEEE) - 0.. 8Mb pdf.. Status of QA4EO activities (Nigel Fox, NPL) - 2.. 2Mb pdf.. QA4EO and long term data preservation (Bojan Bojkov, ESA) - 2.. 1Mb pdf.. Metadata model - experience  ...   and uncertainty quantification (Marcel van Oijen, Centre for Ecology Hydrology, Edinburgh) - 3.. 9Mb pdf.. Case study 2: Atmosphere and climate change.. Remote sensing Level 2+ data quality: NASA overview (Greg Leptoukh, NASA) - 1.. Quality Indicators in GSICS Satellite Inter-Calibration Products.. (Jerome Lafeuille, WMO) - 2.. 0Mb pdf.. QA4EO and the Remote Sensing of Atmospheric Composition.. (Jean Christopher Lambert, BIRA) - 2.. 6Mb pdf.. Confronting Climate Models with Earth Observation Data.. (Peter Braesicke, University of Cambridge) - 5.. Quality and the GMES Atmospheric Service (Anne De Rudder, BIRA) - 1.. Overview of Quality Requirements in Global Biodiversity Monitoring.. (Samy Gaiji, GBIF) - 9.. Land Cover Validation (Joanne Nightingale, NASA) - 3.. Impact of Uncertainty on the Digital Observatory of Protected Areas, including eHabitat (Jon Olaf Skoien, JRC, ISPRA) - 3.. Robustness of Systematic Conservation Planning Tools to Different Types of Error and Especially to Multiple Interacting Uncertainties.. (Lucy Bastin, University of Aston) - 5.. 4Mb pdf.. Way forward: Developing a strategy and roadmap.. Developing a strategy and roadmap - 0.. 1Mb pdf..

    Original link path: /workshop_harwell11.html
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  • Title: QA4EO Workshop
    Descriptive info: QA4EO Workshop on Facilitating Implementation.. A QA4EO workshop on facilitating implementation to the GEO community was hosted by TUBITAK-UZAY in Antalya,Turkey from Tuesday 29 September - Thursday 01 October 2009.. The workshop was chaired by the.. and was organised by the Committee on Earth Observation Satellites (CEOS)'s.. Working Group on Calibration and Validation (WGCV).. and.. GSICS (Global Space-based Inter-calibration System).. 2009 Workshop Meeting Minutes.. 2009 Workshop Executive Summary.. Tues 29 Sept 09.. Wed 30 Sept 09.. Thurs 01 Oct 09.. QA4EO: Facilitating Implementation The bigger picture.. QA4EO: Facilitating Implementation within satellite communities.. QA4EO: Facilitating Implementation within the Societal Benefit Areas.. QA4EO: Facilitating Implementation within wider communities.. QA4EO: Facilitating Implementation The way forward.. Welcome and introduction from TÜB TAK UZAY (Asl Aytaç, Vice Director, TÜB TAK UZAY) - 6Mb pdf.. GEO QA4EO (Rob Koopman, GEO) - 17Mb pdf.. QA4EO and the WIGOS (WMO Integrated Global Observing System) framework (Jerome Lafeuille, WMO) - 4.. The importance of traceability for climatology (Serhat Sensoy, DMI) - 2..  ...   (Hugh Mortimer, RAL) - 2.. 8Mb pdf.. Tuz Gölü test site (Selime Gürol, TÜB TAK UZAY) - 2.. Calibration Validation for KOMPSAT in KARI (Dong-Han Lee, KARI) - 3.. Global Space-based Inter-Calibration System (GSICS) the Product Acceptance Procedure (Bob Iacovazzi, NOAA) - 0.. 3Mb pdf.. DMC International Imaging Ltd (DMCii) prototype demonstration (Steve Mackin, DMCii) - 0.. Commission for Instruments and Methods of Observation (CIMO) best practices and standards in the context of QA4EO (John Nash, UK Met Office, President of CIMO) - 2.. Quality Assurance in the Global Atmospheric Watch (Oksana Tarasova, WMO) - 4.. WMO Information System (WIS) data management best practices standards (David Thomas, WMO) - 0.. Data Quality management in Numerical Weather Prediction (Niels Bormann, ECMWF) - 2.. Quality Indicators for Societal Benefit (Irwin Alber, IEEE) - 3.. 7Mb pdf.. The role of QA4EO within NASA s SBA-oriented joint projects (Steve Ungar, NASA) - 16.. 6Mb pdf.. Calibration / Validation issues in Forest Carbon Tracking (Rob Koopman, GEO) - 1..

    Original link path: /workshop_turkey09.html
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  • Title: QA4EO Workshop
    Descriptive info: GEO/CEOS Workshop on Quality Assurance of Calibration Validation Processes: Establishing an Operational Framework.. A QA4EO workshop on establishing an operational framework was hosted by National Institute of Standards and Technology (NIST) in Gaithersburg, Maryland, USA from Tuesday 6 May - Thursday 8 May 2008.. 2008 Workshop Meeting Minutes.. Tues 06 May 08.. Wed 07 May 08.. Thurs 08 May 08.. Welcome Introduction.. Harmonisation.. Implementation.. Updates.. Data Policy.. Conclusion Wrap-up.. Inroduction (Raju Datla, NIST).. Welcome (Katherine Gebbie, Director, NIST) - 0.. CEOS (Changyong Cao, WGCV Chair) - 0.. 2Mb pdf.. GEO (Michael Rast, GEO Secretariat) - 2.. Guest presentation (Tom Armstrong, Head of Climate Change, USGS).. Part 1 (2.. 4Mb pdf)..  ...   - 0.. Cal/Val sites (Gregory Stensaas, USGS) - 1.. Satellite and.. in situ.. data access (Bojan Bojkov, NASA) - 0.. Harmonisation of quality information (Pascal Lecomte, ESA) - 0.. Actions and guidelines (Marie-Claire Greening, GC/ESA) - 0.. Report from WGCV taskforce to address governance for Cal/Val processes / guidelines (Stephen Mackin, DMCii) - 0.. Workshop objectives and implementation (Pascal Lecomte, ESA) - 0.. Harmonization.. Guest speaker (Jeffery Morisette, NASA) - 2.. Guest speaker (David LLewelyn-Jones, University of Leicester) - 0.. 9Mb pdf.. Data policy.. Guest speaker (Mark Schoeberl, NASA) - 0.. Guest speaker (Pasky Pascual, EPA).. Guest speaker (Irwin Alber, IEEE) - 0.. Conclusions Wrap-up.. Wrap-up (Stephen Ungar, NASA) - 6..

    Original link path: /workshop_washington08.html
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  • Title: QA4EO Workshop
    Descriptive info: GEO/CEOS Workshop on Quality Assurance of Calibration Validation Processes: Guiding Principles.. A workshop on Quality Assurance of Calibration and Validation Processes was hosted by the GEO Secretariat in Geneva, Switzerland from 2 - 4 October 2007.. 2007 Workshop Meeting Minutes.. Tues 02 Oct 07.. Wed 03 Oct 07.. Thurs 04 Oct 07.. Cal/Val data access.. Harmonisation of.. quality information.. Cal/Val Site Characterisation Classification.. Methodology and guidelines for Cal/Val.. Wrap up future.. Welcome Introduction.. Welcome introduction (Jose Achache, ESA / GEO Secretariat)..  ...   (Gregory L Stensaas, USGS / WGCV Member) - 0.. Satellite and in situ Cal/Val data access.. Satellite and in situ Cal/Val data access (Bojan Bojkov, NASA).. - 1.. Methodology and guidelines for Cal/Val (Nigel Fox, NPL / IVOS subgroup chair).. - 0.. Cal/Val portal (Philippe Goryl, ESA Carsten Brockmann, Brockmann Consult) - 0.. Harmonisation of Quality Information.. Harmonisation of quality information (Pascal Lecomte, ESA / WGCV vice chair) - 0.. Wrap up and Future.. Wrap up (Steve Ungar, NASA) - 0..

    Original link path: /workshop_geneva07.html
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    Archived pages: 10