Variable ,Description,Unit
site_id,AmeriFlux site ID,CC-XXX
igbp,"International Geosphere–Biosphere Programme (IGBP) ecosystem classifications, provided in the site general information",predefined options
fpt_dominant_land_cover,Dominant land cover type within the footprints. Land cover type is based on the NLCD and Canadian Land Cover products.,predefined options (Table S2)
ecoregion.key,"Level-I North American Ecoregion, merged into 6 subgroups",predefined options
terrain,"Slope and/or relief of the site, provided in the site general information",predefined options
rslayer,"Is the EC measurement within roughness sublayer, assuming ~1.5 aerodynamic canopy height",TRUE/FALSE
fpt_wgt_day_percentage,"Average of the footprint weighted percentages of the dominant land cover type, composited from all avaiable daytime footprint climatology",percentage (0-1)
fpt_wgt_day_percentage.q250,"First quartile of the footprint weighted percentages of the dominant land cover type, composited from all avaiable daytime footprint climatology",percentage (0-1)
fpt_wgt_day_percentage.q750,"Third quartile of the footprint weighted percentages of the dominant land cover type, composited from all avaiable daytime footprint climatology",percentage (0-1)
LSP_<target_area>_percentage,Percentage of the dominant land cover type in the specified target area.,percentage (0-1)
LSP_<target_area>_day_representativeness,Footprint-to-area representativeness based on daytime footprint climatology and specified target area. ,predefined options
fpt_wgt_day_percentage,"Average of the footprint weighted percentages of the dominant land cover type, composited from all avaiable daytime footprint climatology",percentage (0-1)
fpt_wgt_day_percentage.q250,"First quartile of the footprint weighted percentages of the dominant land cover type, composited from all avaiable daytime footprint climatology",percentage (0-1)
fpt_wgt_day_percentage.q750,"Third quartile of the footprint weighted percentages of the dominant land cover type, composited from all avaiable daytime footprint climatology",percentage (0-1)
LSP_<target_area>_night_representativeness,Footprint-to-area representativeness based on nighttime footprint climatology and specified target area. ,predefined options