This archive contains scripts and outputs from Charney et al. 2016 Ecology Letters. ################ SUBFOLDER NAMED "R Scripts" ################ Contains all scripts used in modeling for this paper, written for R Statistical Software, v3.1.0. CharneyFutureForestGrowth_script.R is the working script for most analyses tree_ring_script_10.R is the working script for fitting the relationship between detrended and raw growth rates FFDM_functions_38.R is the source file with functions called by the working scripts ################ SUBFOLDERS NAMED "100percent_runs" ################ These folders contain outputs from iterations where all 100% of the input tree ring observation data were used. ################ SUBFOLDERS NAMED "50percent_runs" ################ These folders contain outputs from iterations where random 50% subsets of the input tree ring observation data were used. Files contain a 3-digit number indicating the iteration, such as "006" or "029" meaning the 6th and 29th iteration for that particular configuration. ################ SUBFOLDERS NAMED "individual_GCMs" ################ These folders contains a parallel set of projections for individual general circulation models. Contents of all other folders are based on ensemble means. File structure and naming conventions within the "individual_GCMs" folder parallel that of the other folders, except that file names are preceded by the name of the climate model. ################ SUBFOLDER NAMED "WUE_analyses" ################ These folders contains a parallel set of projections for models with simulated increases in water use efficiency by adjusting future precipitation layers. Files in this folder contain a suffix indicating the percent of future precipitation used. For example, "_precip100" is the baseline, with 100% precipitation, whereas "_precip200" is 200% of precipitation (e.g. 100% increase, or multiplied by 2). If no such suffix is present for files in this folder (this is true for files in the 100percent_runs and 50percent_runs subfolders), then the precipitation increase was equal to the full effect assuming precip increases in proportion to CO2 (1:1). These amounts are 142, 172, 188, and 237 for RCPs 2.6, 4.5, 6.0 and 8.5, respectively. ################ SUBFOLDER NAMED "WUEsteps_runs" ################ This subfolder contains projections where we stepped through WUE levels at 1% intervals, instead of just using the 1:1 upper limit relationship between WUE and CO2. ################ SUBFOLDERS NAMED "predictions_growth" ################ In these folders are predictions of future tree growth rates CONTENT: "Rasters" subfolders contains GeoTiffs with the following projection: +proj=longlat +datum=WGS84 +no_defs +ellps=WGS84 +towgs84=0,0,0 and spatial extent: xmin : -164 xmax : -58 ymin : 16 ymax : 69 "Figures" subfolders contains plotted figures based on the contents of the "rasters" and "SDrasters" folders. Within each subfolder are two tables: "breaks_table.csv" and "SDbreaks_table.csv," which give the cutoffs for the color values used in the figures. Note that the numbers in the legend on the figure give the means of these break values. NAMING CONVENTIONS: Subfolders are designated by Representative Concentration Pathways (RCP) climate scenario. The first part of a file name is "growthChange" growthChange files give the predicted change in growth for the focal parametierzation, designated in the rest of the filename by: PredictionYears_NumberOfZones.tif PredictionYears: what time period (half century) are we predicting to NumberOfZones: how many climate response zones were allowed Raster files then have 3 layers, corresponding to: Fh: using historic zone configuration for perturbation function Ff: using future zone configuration for perturbation function FhFf: using the mean of Fh and Ff projections Figure files are split into 3 separate files according to those 3 layers, with the suffix "_Fh", "_Ff" or "_FhFf". ################ SUBFOLDERS NAMED "predictions_zones" ################ In these folders are predictions of future climate responze zones CONTENT: Folders contain projections based on ensemble climate forecasts. These folders are labeled by the number of climate response zones, and files are named for the climate scenario and the half-century for which projections are made, based on the mean climate over the half century. For example: '4zones/SOMprediction_rcp45_2001_2050.tif' Contains a map with 4 climate zones predicted for the average climate of the period 2001-2050 under RCP 4.5. "individual_GCMs" folder contains projections based on individual general circulation models. Naming content and naming convention is parallel to the other 8 folders, except that file names contain the the name of the individual climate model just before the RCP. For example: 'individual_GCMs/13nodes/SOMprediction_ACCESS1-0_rcp45_2051_2099.tif' Contains a map with 13 climate zones predicted for the average climate of the period 2001-2050 under RCP 4.5 based on the "ACCESS1-0" climate model. The files are GeoTiffs with the following projection: +proj=longlat +datum=WGS84 +no_defs +ellps=WGS84 +towgs84=0,0,0 and spatial extent: xmin : -164 xmax : -58 ymin : 16 ymax : 69 ################ SUBFOLDER NAMED "zonal_summary_tables" ################ Tables in this folder contain statistics about the climate zones predicted under various scenarios. These are cell-based statistics (as in, how many raster cells in each zone, how many switch zones, etc). File naming convention is: summary_NumberOfZones_RCPscenario.csv See 'READ ME.txt' in subfolder for more details.