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European Climate Assessment: Indicators and Trends in Temperature and Precipitation Extremes

This document presents the European Climate Assessment (ECA) led by Albert Klein Tank at KNMI in the Netherlands. It focuses on the use of climate indicators, analyzing trends in temperature and precipitation across Europe and the Middle East. Key topics include the methodology of the ECA project, examples of trend maps for near-future projections, and concluding remarks on the state of climate data, addressing data gaps and quality control issues. The report uses a new daily dataset comprising 144 temperature and 152 precipitation series, highlighting the homogeneity and trends in climate extremes.

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European Climate Assessment: Indicators and Trends in Temperature and Precipitation Extremes

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Presentation Transcript

  1. X E C A C 2000 European Climate Assessment Pisa, 16 October 2000 Albert Klein Tank KNMI, the Netherlands

  2. Aim at WMO Region VI (Europe and Middle East) • Note: EUMETNET/ECSN = 18 out of 48 countries

  3. Guide • ECA-project approach • Use of climate indicators • Trend map examples • (Near) future • Concluding remarks

  4. Indicators based on: 144 daily temperature series 152 daily precipitation series

  5. Use of climate indicators E.g. • Tx • ETR/DTR • Id • Tx10/Tx90 • Wd/Su/Csu • HWFI

  6. Trend map examples

  7. (Near) future • Text drafting: • New daily data set of surface air temperature and precipitation observations for European Climate Assessment • Homogeneity of the ECA temperature data • Trends in indicators for temperature and precipitation extremes • ???

  8. Concluding remarks • Additional data gathering (still gaps)and processing required • Discussion on daily series QC /homogeneity issues ( Janet Wijngaard) • Follow-up in ECD-project ( Aryan van Engelen)

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