{
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    {
      "description": "All indicators are derived from the daily bias-corrected climate data of the ISIMIP3b input datasets and are organized into two groups. The first five are directly calculated from daily mean and maximum 2 m air temperature and daily precipitation, respectively. The remaining four indicators are derived from the Canadian Forest Fire Weather Index (FWI), produced by Yi-Ling Hwong (IIASA) and kindly provided to PIK. Currently, the FWI-based indicators cover only the historical period from 1974 onwards and the baseline period for two of these FWI-based indicators is set to 1974\u20132004. In a future update, we plan to extend the historical time series back to 1851 and apply 1851\u20131900 as the baseline consistently for all indicators. All data is reduced by masking the marine areas. Detailed descriptions of all indicators are provided below, where each list item corresponds to the variable name used in the dataset.<br>\u26ab\ufe0e temp-annual-max (TXx): Annual maximum temperature<br>\u26ab\ufe0e temp-variability (TV): Temperature Variability<br>\u26ab\ufe0e pr-annual-max (Rx1day): Maximum over the year of the 1-day precipitations<br>\u26ab\ufe0e pr-extreme-99-9: Extreme Daily Precipitation Annual Sum (above 99.9th percentile of baseline period daily data)<br>\u26ab\ufe0e pr-wetdays-gt1mm (W): Number of wet days > 1mm precipitation<br>\u26ab\ufe0e fwi (FWI): Canadian Fire Weather Index (FWI)<br>\u26ab\ufe0e fwi-annual-max (FWIXx): Maximum of the daily FWI over the year<br>\u26ab\ufe0e fwi-ndays-extreme (FWIxd): Number of days with extreme fire weather above 95th percentile of 1974-2004 baseline<br>\u26ab\ufe0e fwi-avg-seasonal (FWISA): Annual Maximum of Seasonal Average of Fire Weather Index (90 days running mean)<br>\u26ab\ufe0e fwi-season-length (FWILS): Number of days for which the FWI is above the mean of minimum and maximum of the FWI over the reference period 1974-2004 for this single ensemble member<br>These datasets have been created within the SPARCCLE project framwork as Deliverable D2.1 (https://sparccle.eu/).<br>Version 1.1. of this dataset extends all four FWI-based indicators to span the period from 1851 to 2100. The two FWI-based indicators, which were previously calculated relative to the base period of 1974\u20132004, now reflect the change relative to the base period of 1851\u20131900. In addition, the underlying daily FWI data itself have been included.",
      "descriptionType": "Abstract"
    }
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        "northBoundLatitude": 89.5,
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    {
      "citation": "Quilcaille, Y., Batibeniz, F., Ribeiro, A. F. S., Padr\u00f3n, R. S., and Seneviratne, S. I.: Fire weather index data under historical and shared socioeconomic pathway projections in the 6th phase of the Coupled Model Intercomparison Project from 1850 to 2100, Earth Syst. Sci. Data, 15, 2153\u20132177, 2023, https://doi.org/10.5194/essd-15-2153-2023",
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      "citation": "Stefan Lange, Matthias B\u00fcchner (2020): ISIMIP3b bias-adjusted atmospheric climate input data (1.1). ISIMIP Repository. https://doi.org/10.48364/ISIMIP.842396.1",
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    {
      "citation": "Bash Script for producing the first set of indicators based directly on cilmate data https://gitlab.pik-potsdam.de/ISIMIP/climate-extremes-indicators-sparccle",
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    {
      "citation": "FWI_CMIP6 on GitHub https://github.com/yquilcaille/FWI_CMIP6",
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      "citation": "B\u00fcchner, Matthias; Mengel, Matthias; Hwong, Yi-Ling (2025): Climate Extremes Indicators. Version 1.0. ISIMIP Repository. (Dataset). https://doi.org/10.48364/ISIMIP.196458.",
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