lat:long_name = "latitude" ;
		lon:long_name = "longitude" ;
		w:long_name = "latitude weights" ;
		lev:long_name = "hybrid level at midpoints (1000*(A+B))" ;
		hyam:long_name = "hybrid A coefficient at layer midpoints" ;
		hybm:long_name = "hybrid B coefficient at layer midpoints" ;
		ilev:long_name = "hybrid level at interfaces (1000*(A+B))" ;
		hyai:long_name = "hybrid A coefficient at layer interfaces" ;
		hybi:long_name = "hybrid B coefficient at layer interfaces" ;
		time:long_name = "time" ;
		date:long_name = "current date (YYYYMMDD)" ;
		datesec:long_name = "current seconds of current date" ;
		time_bnds:long_name = "time interval endpoints" ;
		ndbase:long_name = "base day" ;
		nsbase:long_name = "seconds of base day" ;
		nbdate:long_name = "base date (YYYYMMDD)" ;
		nbsec:long_name = "seconds of base date" ;
		mdt:long_name = "timestep" ;
		ndcur:long_name = "current day (from base day)" ;
		nscur:long_name = "current seconds of current day" ;
		co2vmr:long_name = "co2 volume mixing ratio" ;
		ch4vmr:long_name = "ch4 volume mixing ratio" ;
		n2ovmr:long_name = "n2o volume mixing ratio" ;
		f11vmr:long_name = "f11 volume mixing ratio" ;
		f12vmr:long_name = "f12 volume mixing ratio" ;
		sol_tsi:long_name = "total solar irradiance" ;
		nsteph:long_name = "current timestep" ;
		ALKNIT:long_name = "ALKNIT concentration" ;
		AODVISdn:long_name = "Aerosol optical depth 550 nm, day night" ;
		BCARY:long_name = "BCARY concentration" ;
		BENZENE:long_name = "BENZENE concentration" ;
		BIGALD:long_name = "BIGALD concentration" ;
		BIGALD1:long_name = "BIGALD1 concentration" ;
		BIGALD2:long_name = "BIGALD2 concentration" ;
		BIGALD3:long_name = "BIGALD3 concentration" ;
		BIGALD4:long_name = "BIGALD4 concentration" ;
		BIGALK:long_name = "BIGALK concentration" ;
		BIGENE:long_name = "BIGENE concentration" ;
		C2H2:long_name = "C2H2 concentration" ;
		C2H4:long_name = "C2H4 concentration" ;
		C2H5OH:long_name = "C2H5OH concentration" ;
		C2H6:long_name = "C2H6 concentration" ;
		C3H6:long_name = "C3H6 concentration" ;
		C3H8:long_name = "C3H8 concentration" ;
		CH2O:long_name = "CH2O concentration" ;
		CH3CHO:long_name = "CH3CHO concentration" ;
		CH3CN:long_name = "CH3CN concentration" ;
		CH3COCH3:long_name = "CH3COCH3 concentration" ;
		CH3COCHO:long_name = "CH3COCHO concentration" ;
		CH3COOH:long_name = "CH3COOH concentration" ;
		CH3OH:long_name = "CH3OH concentration" ;
		CH3OOH:long_name = "CH3OOH concentration" ;
		CH4:long_name = "CH4 concentration" ;
		CHBR3:long_name = "CHBR3 concentration" ;
		CO:long_name = "CO concentration" ;
		CRESOL:long_name = "CRESOL concentration" ;
		DMS:long_name = "DMS concentration" ;
		GLYOXAL:long_name = "GLYOXAL concentration" ;
		H2O:long_name = "water vapor concentration" ;
		H2O2:long_name = "H2O2 concentration" ;
		HCN:long_name = "HCN concentration" ;
		HCOOH:long_name = "HCOOH concentration" ;
		HNO3:long_name = "HNO3 concentration" ;
		HO2:long_name = "HO2 concentration" ;
		HO2NO2:long_name = "HO2NO2 concentration" ;
		HONITR:long_name = "HONITR concentration" ;
		HYAC:long_name = "HYAC concentration" ;
		ISOP:long_name = "ISOP concentration" ;
		ISOPNITA:long_name = "ISOPNITA concentration" ;
		ISOPNITB:long_name = "ISOPNITB concentration" ;
		MACR:long_name = "MACR concentration" ;
		MEK:long_name = "MEK concentration" ;
		MPAN:long_name = "MPAN concentration" ;
		MTERP:long_name = "MTERP concentration" ;
		MVK:long_name = "MVK concentration" ;
		M_dens:long_name = "invariant density" ;
		N2O:long_name = "N2O concentration" ;
		N2O5:long_name = "N2O5 concentration" ;
		NH3:long_name = "NH3 concentration" ;
		NH4:long_name = "NH4 concentration" ;
		NO:long_name = "NO concentration" ;
		NO2:long_name = "NO2 concentration" ;
		NO3:long_name = "NO3 concentration" ;
		NOA:long_name = "NOA concentration" ;
		O3:long_name = "O3 concentration" ;
		O3S:long_name = "O3S concentration" ;
		OH:long_name = "OH concentration" ;
		ONITR:long_name = "ONITR concentration" ;
		PAN:long_name = "PAN concentration" ;
		PBZNIT:long_name = "PBZNIT concentration" ;
		PHENOL:long_name = "PHENOL concentration" ;
		PM25:long_name = "PM2.5 concentration" ;
		PM25_SRF:long_name = "surface PM2.5 concentration" ;
		PS:long_name = "Surface pressure" ;
		Q:long_name = "Specific humidity" ;
		SO2:long_name = "SO2 concentration" ;
		T:long_name = "Temperature" ;
		TERPNIT:long_name = "TERPNIT concentration" ;
		TOLUENE:long_name = "TOLUENE concentration" ;
		TROP_P:long_name = "Tropopause Pressure" ;
		U:long_name = "Zonal wind" ;
		V:long_name = "Meridional wind" ;
		XYLENES:long_name = "XYLENES concentration" ;
		Z3:long_name = "Geopotential Height (above sea level)" ;
		bc_a1:long_name = "bc_a1 concentration" ;
		bc_a4:long_name = "bc_a4 concentration" ;
		dst_a1:long_name = "dst_a1 concentration" ;
		dst_a2:long_name = "dst_a2 concentration" ;
		dst_a3:long_name = "dst_a3 concentration" ;
		ncl_a1:long_name = "ncl_a1 concentration" ;
		ncl_a2:long_name = "ncl_a2 concentration" ;
		ncl_a3:long_name = "ncl_a3 concentration" ;
		num_a1:long_name = "num_a1 concentration" ;
		num_a2:long_name = "num_a2 concentration" ;
		num_a3:long_name = "num_a3 concentration" ;
		pom_a1:long_name = "pom_a1 concentration" ;
		pom_a4:long_name = "pom_a4 concentration" ;
		so4_a1:long_name = "so4_a1 concentration" ;
		so4_a2:long_name = "so4_a2 concentration" ;
		so4_a3:long_name = "so4_a3 concentration" ;
		soa_a1:long_name = "summation of species mass mixing ratios" ;
		soa_a2:long_name = "summation of species mass mixing ratios" ;