"varnames","vardesc"
"site","site name"
"pit","pit number (digit) - most sites have only one, but some have two"
"depth","depth range for sample (cm)"
"rep","identifies replicate samples at a given depth"
"sample_id","identifier for specific soil sample at a given depth"
"porosity","porosity as a % of total soil volume"
"vwc_5","volumetric water content (%) at a tension of 5 J/kg"
"vwc_10","volumetric water content (%) at a tension of 10 J/kg"
"vwc_33","volumetric water content (%) at a tension of 33 J/kg"
"vwc_100","volumetric water content (%) at a tension of 100 J/kg"
"vwc_300","volumetric water content (%) at a tension of 300 J/kg"
"vwc_1500","volumetric water content (%) at a tension of 1500 J/kg"
"particle_density","particle density (g/m$^3$)"
"bulk_density","bulk density (g/cm$^{3}$) of the coarse fraction"
"k_sat","saturated hydraulic conductivity (cm/hr)"
"campbell_b","Campbell's b parameter"
"air_entry_value","air entry tension (J/kg)"
"aeration_porosity_5","aeration porosity (% of soil volume) at a tension of 5 J/kg"
"aeration_porosity_10","aeration porosity (% of soil volume) at a tension of 10 J/kg"
"aws_cap","difference between field capacity and wilting point (% by volume)"
"sample_date","date sample was taken"
"lab","laboratory that performed the analysis"
"comments","any additional information"