`hectordata` inputs: Reduced Complexity Model Intercomparison (RCMIP) Phase 1 Emissions and Concentrations

The attached data was downloaded on April 30, 2020 from https://www.rcmip.org/.  These data have no formal citation or DOI.  Since we use this specific version as inputs to the `hectordata` R package (https://github.com/JGCRI/hectordata), we offer these as an archived resource.  The `hectordata` package is used to prepare the inputs used in the simple climate model Hector (https://github.com/JGCRI/hector).

The datasets contained were listed as "Version 4.0.0, 31st December 2019" for both Emissions and Concentrations.  Units are described in the files.