############################################################################## # ISLSCP II GPPDI, Net Primary Productivity (NPP) Class B Point Data # ############################################################################## File Name(s) ------------ This data set contains a single comma delimited ASCII data file, "gppdi_point_npp.csv". This file contains above-ground, below-ground, and total Net Primary Production (NPP) in gCm-2yr-1 for 2363 point measurements compiled from literature with associated ancillary information (see below for a full description). A copy of an ORNL Technical Memorandum is also provided with this data set which contains additional information, "NPP_TM196.pdf". ############################################################################## ASCII File Format ------------------ All of the files in the ISLSCP Initiative II data collection are in the ASCII, or text format. The data file "gppdi_point_npp.csv" has a total of 2364 rows and 22 columns all separated by a single comma. Both numerical and text fields are included as described below. A value of -999 denotes a missing numerical value. N/A means that a particular text field was not available. File Contents: ------------- MEAS_ID: Unique measurement ID number (n=2363). SITE_ID: Site ID number (n=2363). LAT_DD: Latitude of the site in decimal degrees, rounded to two decimal places. Southern latitudes are negative (n=2363). LONG_DD: Longitude of the site in decimal degrees, rounded to two decimal places. Western longitudes are negative (n=2363). LAT_OLD: Original latitude of the site in decimal degrees, as reported in the references. Southern latitudes are negative (n=2363). LONG_OLD: Original longitude of the site in decimal degrees, as reported in the references. Western longitudes are negative (n=2363). ELEV_GIV: Elevation for the site in meters, as reported in the references (n=1174). ELEV_DEM: Elevation in meters extracted from the terrainbase 1km resolution global DEM (n=2346). SITE_OLD: Site identifier as reported in the references (n=1438). SOURCE: Source of the NPP data: name or code (n=2363). COUNTRY: Country name where study site is/was located (n=2363). BIOMENEW: Assigned Biome, species, or vegetation type (n=2363). SUBBIOME: Sub Biome, e.g., conifer, deciduous (n=1465). VEG_TYPE: Vegetation type as reported in the references (n=1399). SPECIES: Dominant vegetation species (n=1425). TEMP_ANN: Average Annual Temperature in degrees as reported in the references (n=607). PREC_ANN: Total Annual Precipitation in mm as reported in the references (n=787). ANPP_C: Aboveground NPP in gC/m2/year (n=1484). BNPP_C: Belowground NPP in gC/m2/year (n=601). TNPP_C: Total NPP in gC/m2/year (n=1486). REFERENC: Reference for the NPP value (n=2358). YEAR_REF: Year of publication for the reference (n=861). ##############################################################################