Attribute_Name	ORDER	Storage_Type	Measurement_Scale	Number_Type	UNITS	DESCRIPTION	CODES
year	1	a	date-time	n/a	nominalYear	1997 to 2001	
doy	2	a	date-time	n/a	nominalDay	day of the year	
species	3	a	nominal	n/a	dimensionless	grass species	B=bouteloua gracilis P=Pascopyrum smithii S=Stipa comata
co2trt	4	a	nominal	n/a	dimensionless	see reference	C=unchambered plots; A=ambient CO2 chambered plots; H=720ppm CO2 chambered plots
rep	2	a	nominal	n/a	dimensionless	field block	1,2,3
msrco2	6	a	nominal	n/a	dimensionless	code for target measurement CO2	see analysis variable for actual concentration
lf area	7	f	ratio	real	squareCentimeters	leaf area inside the cuvette	
lfwt	8	f	ratio	real	gram	leaf dry weight inside cuvette	
analysis	9	f	ratio	real	micromolePerMole	exiting cuvette CO2 conc.	
cuvtemp	10	f	ratio	real	celsius	measured cuvette temperature	
vpout	11	f	ratio	real	millibar	exiting cuvette vapor pressure	
stomresis	12	f	ratio	real	centimetersPerSecond	stomatal resistance	
stomcond	13	f	ratio	real	molePerMeterSquaredPerSecond	stomatal conductance	
assim	14	f	ratio	real	micromolePerMeterSquaredPerSecond	leaf assimilation rate	
ci	15	f	ratio	real	micromolePerMole	intercellular CO2	
ci/ca	16	f	ratio	real	dimensionless	ratio inter to extracellular CO2	
transpir	17	f	ratio	real	micromolePerMeterSquaredPerSecond	Transpiration rate	
assim/wt	18	f	ratio	real	micromolePerGramPerSecond	assimilation of a leaf dry weight basis	
