AN006

Attributes in entity 9: Conservative gas tracer releases		Details
1. DBCODE Definition: Database Code Domain: enum
2. ENTITY Definition: Entity number Units: number Domain: range (minimum = 9.  maximum = 9.)
3. SITEID Definition: Abbreviation assigned to each study site Domain: place
4. SAMPLEDATE Definition: Date sample collected Units: date as date type Domain: range (minimum = May 14 2003  maximum = Feb 23 2006)
5. SAMPLEPERIOD Definition: Standard period of sample collection relative to isotope and/or tracer addition Domain: enum
6. TRACER_GAS Definition: Type of gas used as tracer Domain: enum
7. TRACER_SOLUTE Definition: Dye and/or anion used for conservative tracer Domain: enum
8. RELEASETIME Definition: Time sample collected relative to start of tracer addition Units: number of minutes of time Domain: range (minimum = -60.  maximum = 573.)
9. DISTANCE_TRACERS Definition: Distance of sample station from tracer addition point Units: meters Domain: range (minimum = -996.  maximum = 1343.)
10. SPC Definition: Specific conductance of stream water during sampling Units: micro siemens per centimeter Domain: range (minimum = 0.8  maximum = 1207.0)
11. TEMPERATURE_STREAM Definition: In-stream water temperature during sampling Units: degrees Celsius Domain: range (minimum = 10.0  maximum = 36.0)
12. TRACER_SOLUTECONC Definition: Concentration of dissolved conservative solute tracer at sample time & location Units: milligrams per liter Domain: range (minimum = 0.000  maximum = 650.649)
13. MEAN_GC_GASVALUES Definition: Average of gas chromatography measurements of tracer gas peak area Units: number Domain: range (minimum = 0.  maximum = 143800896.)
14. NUMBER_GC_GASVALUES Definition: Number of samples analyzed for gas tracer Units: number Domain: range (minimum = 0.  maximum = 12.)
15. NOTES Definition: Notes from sites or metadata coordinator Domain: freetext