Item talk:Q319204
From geokb
{
"DOI": {
"doi": "10.5066/p13ov6gy",
"identifiers": [],
"creators": [
{
"name": "Jay R Alder",
"nameType": "Personal",
"affiliation": [
"United States Geological Survey"
],
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"schemeUri": "https://orcid.org",
"nameIdentifier": "https://orcid.org/0000-0003-2378-2853",
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],
"titles": [
{
"title": "CMIP6-LOCA2 threshold and extreme event metric projections from 1950-2100 for the Contiguous United States"
}
],
"publisher": "U.S. Geological Survey",
"container": {},
"publicationYear": 2024,
"subjects": [
{
"subject": "Climatology"
}
],
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"dates": [],
"language": null,
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"descriptions": [
{
"description": "Projections of extreme event metrics and threshold exceedances are produced by analyzing the Climate Model Intercomparison Program Phase 6 Localized Constructed Analogs (CMIP6-LOCA2) data set. The primary daily temperature and precipitation data are summarized to 36 annual metrics and 4 monthly metrics. This data set includes output from 27 GCMs for the period 1950-2100 under ssp245, ssp370, and ssp585 scenarios for the Contiguous United States with partial coverage in Mexico and Canada. To support climate research within and outside the Department of Interior these data are distributed in a variety of formats: individual model grids for all years, gridded climatologies (1961-1990, 1971-2000, 1981-2010, 1991-2020, and Global Warming Levels +1.5 \u00b0C, +2.0 \u00b0C, +3.0 \u00b0C), and time series spatially averaged to United States county and watershed boundaries (HUC8 from the Watershed Boundary Dataset). Ensemble averages are provided for the Weighted Multi-Model Mean (WMMM) and Multi-Model Mean (MMM) where appropriate. Many of the threshold exceedance variables stem from the Climdex project (https://www.climdex.org), which predominately uses metric units. Additional English-based thresholds were included to support Department of Interior research.\n\nThere are 72 simulations in total (ssp245=24, ssp370=23, ssp585=25). While the CMIP6-LOCA2 data set supports multiple realizations per model; one realization per model is provided herein (predominately r1i1p1f1, except when this realization was not available). Users interested in the source downscaled temperature and precipitation files are referred to the data set home page: https://loca.ucsd.edu.\n\nThe 27 included GCMs are:\nACCESS-CM2, ACCESS-ESM1-5, AWI-CM-1-1-MR, BCC-CSM2-MR, CESM2-LENS, CNRM-CM6-1, CNRM-CM6-1-HR, CNRM-ESM2-1, CanESM5, EC-Earth3, EC-Earth3-Veg, FGOALS-g3, GFDL-CM4, GFDL-ESM4, HadGEM3-GC31-LL, HadGEM3-GC31-MM, INM-CM4-8, INM-CM5-0, IPSL-CM6A-LR, KACE-1-0-G, MIROC6, MPI-ESM1-2-HR, MPI-ESM1-2-LR, MRI-ESM2-0, NorESM2-LM, NorESM2-MM, TaiESM1\n\nThe 40 included variables are:\n\n\n\nvariable\nname\nunits\nfrequency\n\n\nCDD\nConsecutive Dry Days\ndays\nannual\n\n\nCWD\nConsecutive Wet Days\ndays\nannual\n\n\nDTR\nDaily temperature range\n\u00b0C\nannual\n\n\nFD\nFrost Days\ndays\nannual\n\n\nGDD10\nGrowing degree days, base 10 \u00b0C\n\u00b0C d\nannual\n\n\nGDD5\nGrowing degree days, base 5 \u00b0C\n\u00b0C d\nannual\n\n\nGSL\nGrowing season length\ndays\nannual\n\n\nID\nIce Days\ndays\nannual\n\n\nPRCPTOT\nAnnual total wet-day PR\nmm\nannual\n\n\nR10mm\nNumber of heavy rain days\ndays\nannual\n\n\nR1in\nAnnual days with total precipitation > 1 inch\ndays\nannual\n\n\nR1mm\nNumber of rain days\ndays\nannual\n\n\nR20mm\nNumber of very heavy rain days\ndays\nannual\n\n\nR2in\nAnnual days with total precipitation > 2 inch\ndays\nannual\n\n\nR3in\nAnnual days with total precipitation > 3 inch\ndays\nannual\n\n\nR40mm\nAnnual count of days when PRCP \u2265 40mm\ndays\nannual\n\n\nR95p\nAnnual total PRCP when RR > 95th percentile\nmm\nannual\n\n\nR95pDAYS\nDays when RR > 95th percentile\ndays\nannual\n\n\nR95pTOT\nContribution to total precipitation from very wet days\n%\nannual\n\n\nR99p\nAnnual total PRCP when RR > 99th percentile\nmm\nannual\n\n\nR99pDAYS\nDays when RR > 99th percentile\ndays\nannual\n\n\nR99pTOT\nContribution to total precipitation from extremely wet days\n%\nannual\n\n\nRx1day\nMaximum 1-day precipitation\nmm\nannual\n\n\nRx5day\nMaximum consecutive 5-day precipitation\nmm\nannual\n\n\nSDII\nDaily PR intensity\nmm/day\nannual\n\n\nSU\nSummer days\ndays\nannual\n\n\nTNn\nMinimum value of daily minimum temperature\n\u00b0C\nmonthly\n\n\nTNx\nMaximum value of daily minimum temperature\n\u00b0C\nmonthly\n\n\nTR\nTropical nights\ndays\nannual\n\n\nTX90p\nPercentage of days when TX > 90th percentile\n%\nannual\n\n\nTX90pDAYS\nNumber of days when TX > 90th percentile\ndays\nannual\n\n\nTX95p\nPercentage of days when TX > 95th percentile\n%\nannual\n\n\nTX95pDAYS\nNumber of days when TX > 95th percentile\ndays\nannual\n\n\nTXge100F\nTX of greater than or equal to 100 \u00b0F\ndays\nannual\n\n\nTXge105F\nTX of greater than or equal to 105 \u00b0F\ndays\nannual\n\n\nTXge110F\nTX of greater than or equal to 110 \u00b0F\ndays\nannual\n\n\nTXge90F\nTX of greater than or equal to 90 \u00b0F\ndays\nannual\n\n\nTXge95F\nTX of greater than or equal to 95 \u00b0F\ndays\nannual\n\n\nTXn\nMinimum value of daily maximum temperature\n\u00b0C\nmonthly\n\n\nTXx\nMaximum value of daily maximum temperature\n\u00b0C\nmonthly\n\n\n\n",
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"created": "2024-03-29T02:58:09Z",
"registered": "2024-03-29T02:58:09Z",
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"updated": "2024-03-29T02:58:13Z"
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