Downscaled gcm data portal. 1 Using the PCIC data portal website to obtain PCIC data.
Downscaled gcm data portal. * Original GCM output for .
Downscaled gcm data portal 05. Stars. The previous version, v20220512, has been removed from the archive. 4) for 4 scenarios in decadal averages from 2020 through 2080. Briefly, one dataset uses the 6-km (1/16th degree) daily product of Livneh et al. These 95 SD GCM simulations were previously statistically downscaled using the bias-corrected, spatially disaggregated methodology (Wood et al. Jan 20, 2020 · (a) Baseline data, (b) future data for 2050s (2040–2069 average), (c) delta or anomaly by 2050s, (d) delta or anomaly by 2050s with GCM centroids (points) overlaid, (e) 30 arc-s interpolated Nov 4, 2021 · Data acquisition. GPL-3. For commercial access to the data, send requests to Andy Jarvis at the International Center for Tropical Agriculture (CIAT). The two products we produced use different training data. netCDF - Get more detail on the netCDF documentation from UCAR here. Apr 9, 2018 · Percent of the 95 SD GCM simulations used in this study that replicate historical climatic conditions for (a)-(c) CMIP3 and (d)-(f) CMIP5 at HRUs across the CONUS using a significance level of 0. ClimateNA desktop package has an interactive interface for single-location and multiple-location process. 8 watching Forks. The easiest to use portal may be CIAT website for downscaled GCMs where the Decision and Policy Analysis (DAPA) program has posted statistically downscaled future climate models (IPCC v. For CHELSA CMIP5, monthly rainfall data for 1979 - 2009, were downloaded, along with monthly projections of future rainfall from each model, time period, and scenario. e. Dec 18, 2024 · GCM data. Spatial Downscaling Methods. Before applying the downscaling method, all data (GCM & PRISM) are interpolated to a common 1-degree grid. Data Source The data presented in this portal is derived from the dynamically-downscaled climate projections over Canada at a resolution of 50 km under RCP4. MACA Data Portal: netCDF. Michael Jul 3, 2023 · The NASA Earth Exchange (NEX) Global Daily Downscaled Projections (GDDP) dataset, or NEX-GDDP-CMIP6, was created to assist the science community in conducting studies of climate change impacts at local to regional scales and to enhance public understanding of possible future climate patterns at the spatial scale of individual towns, cities, and watersheds. 9th percentile value), primarily in summer in a band extending from the Gulf of California northwards through … Continue reading Although dynamical downscaling improves GCM information at a fine scale, systematic bias in GCM is prorogated to downscaled results. surface rainfall). g. 2004; Maurer et al. Canada Climate Change Data Portal (hereinafter, Canada CCDP) provides technical and non-technical users with easy and intuitive access to the latest climate data in Canada. 92) in Murray, although this was still considerably better than the GCMs. In addition, RCM itself may produce bias, which can be corrected using statistical methods. The statistical models or algorithms used in this approach are first calibrated using historical (observed) data of both coarse predictors (reanalysis) and local predictands for a representative climatic period (usually a few decades) and then applied to new (e. Therefore, a tool named Climate Data Bias Corrector was developed to Jun 1, 2023 · Global climate model (GCM) data in native resolution were downloaded from the Coupled Model Intercomparison Project 5 (CMIP5) data portal on the Lawrence Livermore National Laboratory (LLNL) node of the Earth System Grid Federation (ESGF) [14]. 2 ERA5 reanalysis. Wilby and Wigley placed meteorological downscaling techniques into four categories: [ 6 ] regression methods, weather pattern-based approaches, stochastic weather generators, which are all statistical downscaling methods, and limited Models that simulate ecosystems at local to regional scales require relatively fine resolution climate data. Used formats are NetCDF (for GCM outputs), ESRI-GRID (for WorldClim and final downscaled data), and ESRI-ASCII grids for providing standard and easy-of-use outputs The Climate Change Knowledge Portal (CCKP) provides global data on historical and future climate, vulnerabilities, and impacts. Convert GCM units to more common units: May 27, 2019 · The use of global and regional climate models has been increasing in the past few decades, in order to analyze the future of natural resources and the socio-economic aspects of climate change. GCM or RCM -simulated humidity, and local scale observed humidity. This relationship is developed by assessing locally observed data and correlating it with GCM or RCM output. In the Search block enter your choice and then click the “Search” button. Dynamical Downscaling. 5. However, downscaling of GCM outputs is often required due to their coarse spatial and temporal resolution. Aug 8, 2016 · Users should acknowledge CCAFS as the source used in the creation of any reports, publications, new data sets, derived products, or services resulting from the use of this data set. 6, RCP 4. 0, and RCP 8. . , future or retrospective) global predictors (GCM outputs) to obtain the Figure 1: Regions of Canada used for downscaled GCM subset selection. As an effective downscaling method, stochastic weather generators can reproduce daily sequences with statistically similar The ESGF maintains a global system of federated data centers that allow access to the largest archive of climate data world-wide. The data have been originally downloaded from the IPCC data portal and re-processed using an spline interpolation algorithm of the Sep 11, 2023 · The downscaled (0. 44 degree data, which has by far the largest GCM-RCM downscaled data available), CORDEX-Adjust if you want bias-corrected data (smaller GCM-RCM dataset). In the latter case, it is not the downscaling procedure that makes future projection more uncertain; rather, it is indicative of higher variability associated with The NASA Earth Exchange Global Daily Downscaled Projections (NEX-GDDP) dataset is comprised of downscaled climate scenarios for the globe that are derived from the General Circulation Model (GCM) runs conducted under the Coupled Model Intercomparison Project Phase 5 (CMIP5) and across two of the four greenhouse gas emissions scenarios known as Jan 7, 2022 · This study assessed the performance of 21 general circulation models (GCMs) from National Aeronautics Space Administration (NASA) Earth Exchange Global Daily Downscaled Projections (NEX-GDDP) dataset and bias-corrected outputs of 13 Coupled Model Inter-comparison Project, Phase 6 (CMIP6) GCMs in reproducing precipitation, minimum temperature and maximum temperature over a tropical river basin #Global Climate Model (GCM) Output. The NEX-GDDP-CMIP6 dataset is comprised of global downscaled climate scenarios derived from the General Circulation Model (GCM) runs conducted under the Coupled Model Intercomparison Project Phase 6 (CMIP6) and across two of the four "Tier 1" greenhouse gas emissions scenarios known as Shared Socioeconomic Pathways (SSPs). 2. These reanalyses are generated by assimilating surface station observations from across Dec 20, 2019 · The NEX-GDDP data are statistically downscaled and bias corrected, and can be downloaded from the Climate Model Data Services (CMDS) portal (ftp://ftp. , 2018 ). 25 ∘ resolution, so the bias-adjusted data are coarser and, by construction, less extreme than the downscaled data. CanESM5, CESM2, and EC-Earth3 are considered ‘hot models’ because they exhibit Sep 30, 2023 · Each ensemble is filtered to ensure: (1) parent GCMs are available in at least two ensembles, (2) downscaled outputs for each GCM are available for at least 3 Shared Socioeconomic Pathways (SSPs Data downscaled using the scaling factor or bias correction methods can then be used in impact models (e. In addition, derived simulations of surface hydrology are provided. The portal contains complete spatial downscaled datasets from the Intergovernmental Panel on Climate Change (IPCC) Third, Fourth and Fifth Assessment Reports, while providing MarkSim pattern-scaled data and resources. In this portal, GCM forecasts (seasonal-to-decadal and climate change) are downscaled to local stations or uniform Sep 12, 2016 · 2024-09-22: A new version of the LOCA2 North American precipitation data set has been released: version v20240915. nccs. Global Downscaled Data Downscaled global CMIP3 GCM output are served here . For Lab 5, we will be using statistically downscaled data for 26 CMIP6. Much of this data for the U. Geo Data Portal Tutorial, OPeNDAP Tutorial: data arrays within software (R, python, MATLAB) program. For each downscaled GCM, 31 climate indices have been calculated (). 4 is followed. The climate indices include 27 Climdex indices established by the Expert Team on Climate Change Detection and Indices (ETCCDI) Reference 13 and 4 additional indices that are slightly modified from the Climdex indices. 5 with resolution at 1/8 ° (12 km). May 6, 2023 · The Bias Correction and Spatial Disaggregation (BCSD) method is adopted to bias-correct monthly GCM simulations using observation data, then subsequently temporally disaggregate them into daily data. Jul 28, 2014 · Downscaled CMIP3 and CMIP5 Climate and Hydrology Projections : “Downscaled” (finer-resolution) versions of monthly and daily temperature and precipitation from most of the GCM simulations in the PCMDI CMIP3 and CMIP5 archives, for CONUS, using two downscaling methods. nc) format. Last update: Fri Jun 9 12:12:10 2023 +0000 (444a736) In Lab 4 (Sec. Some broad features emerge in Fig. MODIS NASA Earth Exchange (NEX) Downscaled Climate Projections (NEX-DCP30) NEX-DCP30 is a set of high resolution, bias-corrected climate change projections that can be used to evaluate climate change impacts on processes that are sensitive to finer-scale climate gradients and the effects of local topography on climate WorldClim and full GCM timeseries are freely available in the internet, whilst all other calculations are carried out by means of Geographic Information Systems (GIS) software. Many methods exist that downscale the native resolution output from global climate models (GCM) to finer resolutions. Val Bennington, Dr. In addition, because the BCSD method does not explicitly adjust the trends (the slopes, in particular) in climate variables produced by GCMs, we extract the large-scale climate trends from the GCM data. Downscaled GCM Data Portal License. We also used the ECMWF's ERA5-Land and ERA5 single-level data available for 1981–present (Muñoz-Sabater et al. Rotate grid and set latitude and longitude values to standard WGS84 geographic coordinate system. A GCM model data explorer and stochastic synthetic weather generator tool aimed at regional evaluation of GCM model performance and the production of downscaled temperature and precipitation time-series datasets. 4–0. Our bias correction method decomposes GCM and reanalysis data Sep 18, 2015 · However, output data from GCMs are at coarse scales (i. 5, RCP 6. 2. 25 degrees x 0. , 2018 ; Yu et al. GCM data were downloaded to the NASA High-End Computing Capability (HECC) platform and all subsequent CCAFS-Climate is the data portal for downscaled global and regional climatic data of the Climate Change, Agriculture and Food Security Research Program of the CGIAR. How to Access the Data . Jul 11, 2024 · The downscaled CESM dataset (DSCESM) is archived in the World Data Center for Climate (WDCC) portal at three temporal resolutions (daily, monthly and monthly climatology) for current (2006–2015 The NASA NEX-GDDP dataset is comprised of downscaled climate scenarios for the globe that are derived from the General Circulation Model (GCM) runs conducted under the Coupled Model Intercomparison Project Phase 5 (CMIP5, see Taylor et al. Used formats are NetCDF (for GCM outputs), ESRI-GRID (for WorldClim and final downscaled data), and ESRI-ASCII grids for providing standard and easy-of-use outputs to potential users of the data. Values are maximum near-surface temperature. ∗ T aiESM1 is only analyzed over the historical interval (and not the future interval) for the raw GCM due to data availability . 4-0S and SSP5-8. 3. Comparing all the basins, the downscaled data showed a lower correlation (0. Statistically downscaled GCM climate The SD simulations from 95 GCMs were used in this analysis (38 from CMIP3 and 57 from CMIP5). VSDS, SDS, MDS, LDS and VLDS denote the very short, short, medium, long and very long dry spells, respectively. To download this information manually, follow the steps below. The CF convention 1. The relationship is then subsequently used on the GCM data to obtain the local variables from the GCM output. The goal of cmip6 is to provide a straightforward way to download the NASA NEX-GDDP-CMIP6 downscaled climate projection data, either globally or by specifying an area of interest (aoi). The NEX-GDDP dataset is comprised of downscaled climate scenarios for the globe that are derived from the General Circulation Model (GCM) runs conducted under the Coupled Model Intercomparison Project Phase 5 (CMIP5) and across two of the four greenhouse gas emissions scenarios known as Representative Concentration Pathways (RCPs). Statistically downscaled future climate projections from IPCC assessment reports. Example: downscaling GCM data to PRISM climatology. The caution is that the projected future climate variables are not bias-corrected (shifted so that the GCM-simulated recent values match the observations) as with downscaled data. This is in equation (1) as x and y. Explore them via Country and Watershed views. Moving the slider to the right shows sample output from the MRI-ESM2-0 climate model at a ~125 km resolution. 25 degrees (approximately 25 km x 25 km) resulting in a data archive size of more than 11TB (1TB = 1012 Bytes). 1. 0 license Activity. 2007) to 1/88 grids across the CONUS (Bureau of where σ T, REF and σ o, REF represent the standard deviation in the reference period of the daily GCM output and observations, respectively. gov CCAFS-Climate is the data portal for downscaled global and regional climatic data of the Climate Change, Agriculture and Food Security Research Program of the CGIAR. hydrological models, which can estimate future runoff). S. 4 forks Report repository Releases Used formats are NetCDF (for GCM outputs), ESRI-GRID (for WorldClim and final downscaled data), and ESRI-ASCII grids for providing standard and easy-of-use outputs to potential users of the data. 2012) and across two of the four greenhouse gas emissions scenarios known as … Since these adjustments are GCM dependent, the resulting indices could have a wider spread when computed from downscaled data as compared to those directly computed from GCM output. 12 Lab exercise 5: Using Downscaled GCM Data. The data format is in NetCDF (. Jul 11, 2024 · Hence, this dataset was used to evaluate the downscaled GCM data. The grid points of the GCM may not match with the station location. In that sense, we kept the relative change in the model projections, but Dec 9, 2024 · and ST AR-ESDM downscaled data. GeoTIFF - Learn how to work with geotiff data in this lesson. Climate indices. Here, the data at the GCM grid point, nearest to the station at which historical data is available is considered. NASA NEX-DCP30 is a statistically downscaled 30 arcsecond resolution climate dataset widely used for climate change impact studies in the conterminous USA (CONUS), but On ESGF is data for CORDEX “Phase 1” (0. In the latter case, it is not the downscaling procedure that makes future projection more uncertain; rather, it is indicative of higher variability associated with Downloading Data. Yafang Zhong, and Dr. It provides global and regional future high-resolution climate datasets based on Global Circulation Model (GCM) projections Climate change downscaled data portal provided by CIAT and CCAFS. A wide range of downscaled (that is, higher resolution data) created from the outputs of a wide range of GCMs. Jun 9, 2023 · Sec. RegCM runs driven by CanESM2 and HadGEM2-ES are conducted by Xander Wang, RegCM runs driven by GFDL-ESM2M are conducted by Chen Lu, and PRECIS runs driven by HadGEM2-ES are conducted by projections is downscaled at a spatial resolution of 0. GFDL scientists are engaged in diverse efforts to apply, improve, and develop downscaling approaches. is also served by the USGS Geo Data Portal, along with many other data sets, both of observations and downscaled climate projections. For more info see the The CLIMGEN model; Downscaling Tyndall document . Downscaling can be accomplished in a number of ways. See full list on nccs. To overcome these limitations, GCM output must be translated (or downscaled) to local scales for modeling and value-added decision-making. This can be resolved by removing the bias of GCM data before downscaling. atmospheric pressure at 1000 m) and local surface climate variables (e. The precipitation data from the NEX-GDDDP have significantly utilized in many hydro-climatological studies around the world ( Raghavan et al. The following GCMs from CMIP6 are downscaled in GARD-LENS: CESM2-LE 38,39, CanESM5 40, and EC-Earth3 41. * Original GCM output for Jun 2, 2022 · We describe the latest version of the NASA Earth Exchange Global Daily Downscaled Projections (NEX-GDDP-CMIP6). Covers the majority of important climate variables. PCIC provides an intuitive point-and-click map for accessing the downscaled GCM data. 3 stars Watchers. For tas, the downscaled data, compared to GCMS, show a higher correlation in all the basins (Fig. 1 Using the PCIC data portal website to obtain PCIC data. First and foremost, although GCM experiments are conducted at sub-hourly time scales, given the massive data flow, only a subset of variables at aggregated temporal scales are recorded (usually Jan 11, 2024 · The raw, cleaned GCM data are at the original resolution of the GCM output and bias-adjusted GCM data are at a 1 ∘ resolution, whereas the downscaled data are at a 0. Dec 12, 2023 · For climate change downscaling, we use the CMIP6 data, which provides the latest GCM simulations including voluminous global gridded model data over the historical period of 1950–2014 and four The NEX-GDDP-CMIP6 dataset is comprised of global downscaled climate scenarios derived from the General Circulation Model (GCM) runs conducted under the Coupled Model Intercomparison Project Phase 6 (CMIP6) and across two of the four "Tier 1" greenhouse gas emissions scenarios known as Shared Socioeconomic Pathways (SSPs). Data files comply with the NetCDF format, version 4 compressed with zlib deflation, using the NetCDF 4 classic data model. Dynamical downscaling This method, also known as regional climate modelling (RCM) simulates local climate using output from a GCM as input to a high-resolution climate model. , 2021) at the Copernicus Climate Change Service portal. Feb 9, 2018 · Downscaled GCM data from the CMIP5 BCCA dataset were used, which provided the meteorological conditions under four potential climate change scenarios: RCP 2. MODEL SUBSETS (CMIP5) The 12 GCMs listed in the Table below capture 90% of the range of projected changes in temperature and precipitation in all seasons for a suite of indices of extremes under RCP4. Nov 19, 2021 · Tabular (txt and csv) - Learn how to work with txt and csv data in this lesson. These have been processed using the same spline methodology as Worldclim and are available from Data Resolution: 1 km. The NEX-GDDP-CMIP6 dataset is comprised of global downscaled climate scenarios derived from the General Circulation Model (GCM) runs conducted under the Coupled Model Intercomparison Project Phase 6 (CMIP6, see Thrasher et al. 5) for the future (2015 CCAFS-Climate is the data portal for downscaled global and regional climatic data of the Climate Change, Agriculture and Food Security Research Program of the CGIAR. where σ T, REF and σ o, REF represent the standard deviation in the reference period of the daily GCM output and observations, respectively. CCAFS GCM DATA PORTAL Jun 9, 2023 · 11. A requirement for any statistically downscaled product is historical data, or training data, that GCM output is bias corrected to. We used the monthly data derived from the CMIP6 historical experiment and future scenarios of SSP245 and SSP585 31. The statistically downscaled model data accurately replicate the observed distributions of meteorological variables over the contemporary period, but underestimate fire danger extremes in some models. Climate change downscaled datasets Downscaled GCM Data Portal The datasets contained in this website are part of the International Centre for Tropical Agriculture (CIAT) climate change downscaled data, developed in the Decision and Policy Analysis (DAPA) program. The GDP provides easy access to large-scale datasets, such as gridded climate and land use data in the NetCDF or Raw Global Climate Model (GCM) and downscaled temperature data side-by-side for an example summer day in the 2080s. Data. CCAFS GCM DATA PORTAL 2014 Apr 16, 2015 · Users are prohibited from any commercial, non-free resale, or redistribution without explicit written permission from CCAFS or the data-developing institutions. 25°) daily data from the 18 GCMs for each of the seven climatological variables (Table 2) and three SSP scenarios (SSP2-4. 5 (Cannon, 2015). Under each climate scenario, both mean and extreme fire danger are expected to increase. The α and β values are estimated based on a historic time period and are used to derive downscaled future climate projections. 2022) and across two of the four "Tier 1" greenhouse gas emissions scenarios known as Shared Socioeconomic Pathways … To address this problem many workers have downscaled GCM output. 5, SSP5-3. red = no data available. CMIP6 GCM projections (not downscaled; dashed line) and Uccle observations (solid line) are given as a reference. CHELSA CMIP5 and CMIP6 future rainfall projections were downloaded from the CHELSA website. nasa. This document provides a basic description of the implementation of the BCSD method as applied in the downscaling of the CMIP5 GCM data. The high-resolution downscaled datasets are comparatively analyzed against OBS and GCM data over China for the testing period spanning from 2005 to 2014. These reanalyses are generated by assimilating surface station observations from across Much of this data for the U. The data can be accessed through the USGS GeoData Portal (GDP). Access synthesized Country Profiles to gain deeper insights into climate risks and adaptation actions. CCAFS GCM DATA PORTAL It allows users to choose a method of statistical downscaling and produce high-resolution predictions either using as predictands (target data), observational datasets already mounted on the server or data uploaded by the user. Jan 20, 2020 · Using the full present-day monthly time-series from the GCM (Sect 0), we thus calculated 30-year means as a baseline (1961–1990), for each GCM and variable. UW-RegCM4 Dynamically Downscaled Data Set Climate Model Report Card Model Name: University of Wisconsin (UW) Dynamically Downscaled Data using Regional Climate Model version 4 (RegCM4) coupled to a 1-D Lake Model Developers: Abdus Salam International Centre for Theoretical Physics (RegCM4) and Dr. Standardize GCM and PRISM data. Users should acknowledge CCAFS as the source used in the creation of any reports, publications, new data sets, derived products, or services resulting from the use of this data set. For example, some approaches use observed weather data to describe relationships between larger-scale climate variables (e. Data are downloaded either from the NCCS THREDDS Data Catalog if an aoi is specified (using the NetCDF Subset Service) or the official NASA NEX-GDDP-CMIP6 AWS Aug 8, 2016 · Users should acknowledge CCAFS as the source used in the creation of any reports, publications, new data sets, derived products, or services resulting from the use of this data set. GFDL Research. 5 and RCP8. This sets North as the top of the grid and converts original lat/long values from 0°-360° to -180° -180°. Note that this bias-correction procedure for the GCM output could be applied to correct both the historical and future periods. Global Downscaled Data Old downscaled global CMIP3 GCM output are served here . Jun 21, 2021 · WG downscales the ensemble as a whole, resulting in only one data point. The new data addresses a 5-10% weaknesses in extreme precipitation values (~99. However, these climate model outputs can be quite biased, which makes it challenging to use them directly for analysis purpose. There are large biases in precipitation for the Mountain West in precipitation; all of the GCMs show much more precipitation in recent decades than actually occurred. Jun 2, 2022 · The main benefit of this approach is to make the data output more consistent with history while obtaining higher resolution data and can effectively avoid the local bias problem of the global GCM Deliverables can be customized for specific applications or research targets defined by research partners such as USGS Climate Science Centers and Regional Landscape Cooperatives Deliverables : Data Products and Web Services: Climate data summarized for the GeoSpatial Fabric for CONUS PRISM, DAYMET, GSD(Maurer), and BCSD for CMIP3 and CMIP5 Sep 12, 2023 · Since these adjustments are GCM dependent, the resulting indices could have a wider spread when computed from downscaled data as compared to those directly computed from GCM output. 4). Downscaled GCM Data Portal The datasets contained in this website are part of the International Centre for Tropical Agriculture (CIAT) climate change downscaled data, developed in the Decision and Policy Analysis (DAPA) program. gov/). 10) we applied GCM-derived change factors to our observed data as a rudimentary form of downscaling, and removing the bias in the model projections. For example “CORDEX” Jun 8, 2016 · Three options were developed for accessing the downscaled climate data generated by the algorisms implemented in ClimateNA: 1) ClimateNA desktop package; 2) ClimateNA Map; and 3) a GIS raster data portal. (2013) from 1950-2011 that also incorporates the Canadian portion of the Downscaled GCM Portal. Custom properties. CCAFS-Climate is the data portal for downscaled global and regional climatic data of the Climate Change, Agriculture and Food Security Research Program of the CGIAR. While the use of the repositories of downscaled climate models is generally recommended, because the data tends to be available in more convenient and easily applied form, and the data has generally been curated in some way that simplifies choices of scenario and model selection, in some situations obtaining global climate model output directly may be Oct 5, 2022 · This is the case in dynamical downscaling (also known as regional climate modeling), where not every GCM can/should be downscaled for several reasons. Figure 1, for example, illustrates how a series of nested atmospheric models of increasing resolution were applied to study the linkage between large-scale climate change drivers and North Atlantic Hurricane frequency, intensity, and associated rainfall Projections of future global average annual precipitation and temperature for A1B scenarios from downscaled tyndall data. How do you get MACA v2 data? There are several different options for downloading MACA v2 data including: Through the MACA v2 Data portal Dec 18, 2024 · The downscaled data cover the coterminous United States (CONUS), extending from approximately 24-50 degrees North and 235–294 degrees East. For more info see the Downscaling Global Circulation Model Outputs: The Delta Method (PDF) document. In addition to the lower correlation, the GCMs show a higher SD and cRMSE than the Sep 12, 2013 · The accuracy of statistically downscaled general circulation model (GCM) simulations of daily surface climate for historical conditions (1961–99) and the implications when they are used to drive hydrologic and stream temperature models were assessed for the Apalachicola–Chattahoochee–Flint River basin (ACFB). How-to guidance: Design-Your-Own-CSV: none, but straightforward MACA Data Portal: In multiple tabs across top menu Geo Data Portal Tutorial: This “tool” is itself a guide to accessing the MACA data through the USGS Oct 24, 2024 · Comparison of downscaled and GCM data. The archive contains downscaled historical and future projections for 1950–2100 Mar 24, 2021 · The dataset includes both historical data representing conditions from 1981-2005 and future projections representing conditions from 2006 -2099. It provides global and regional future high-resolution climate datasets based on Global Circulation Model (GCM) projections under defined greenhouse gas emission scenarios. MATLAB (excel extension available) can be used to read and process the GCM datasets. 100-300 km) resulting in significant biases in regions of complex climate such as the Northwestern US making direct application of such data intractable. Mar 23, 2020 · Global Climate Models (GCMs) can provide essential meteorological data as inputs for simulating and assessing the impact of climate change on catchment hydrology. It is important to note that all of the CHELSA CMIP5 data only The data presented in this portal is derived from the dynamically-downscaled climate projections over China at a resolution of 50 km under RCP4. quyfeoxvivqedmtbtdihkdsvwpfgcpxfddhlcatontbbjobsdlpopmo