AN006

Attributes in entity 3: Concentrations of dissolved chemical species & 15N label of nitrogen species (15N Solutes)		Details
1. DBCODE Definition: Database Code Domain: enum
2. ENTITY Definition: Entity number Units: number Domain: range (minimum = 3.  maximum = 3.)
3. SITEID Definition: Abbreviation assigned to each study site Domain: place
4. SAMPLE_DATETIME Definition: Date sample collected Units: date as datetime type Domain: range (minimum = Jul 9 1943 1:00PM  maximum = Jul 9 2023 1:00PM)
6. SAMPLEPERIOD Definition: Standard period of sample collection relative to isotope and/or tracer addition Domain: enum
7. STATION Definition: Sample collection station Domain: enum
8. DISTANCE Definition: Distance of sample station from isotope addition point; negative values are upstream Units: meters Domain: range (minimum = -10.  maximum = 1872.)
9. TEMPERATURE_STREAM Definition: In-stream water temperature during sampling Units: degrees Celsius Domain: range (minimum = 8.0  maximum = 49.0)
10. NO3_N_1 Definition: Nitrate-nitrogen, replicate 1 Units: micrograms per liter Domain: range (minimum = -0.2  maximum = 24203.2)
11. NO3_N_2 Definition: Nitrate-nitrogen, replicate 2 Units: micrograms per liter Domain: range (minimum = 0.4  maximum = 389.0)
12. NH4_N Definition: Ammonium-nitrogen Units: micrograms per liter Domain: range (minimum = 0.0  maximum = 5658.0)
13. TDN Definition: Total dissolved nitrogen (filtered sample) Units: micrograms per liter Domain: range (minimum = 3.4  maximum = 6300.0)
14. DON Definition: Dissolved organic nitrogen Units: micrograms per liter Domain: range (minimum = -569.0  maximum = 2940.0)
15. SRP Definition: Soluble reactive phosphorus-phosphate Units: micrograms per liter Domain: range (minimum = 0.0  maximum = 585.0)
16. TSP Definition: Total soluble phosphorus (filtered sampled) Units: micrograms per liter Domain: range (minimum = 0.0  maximum = 890.0)
17. DOC Definition: Dissolved organic carbon Units: milligrams per liter Domain: range (minimum = 0.007  maximum = 52.000)
18. SPC Definition: Specific conductance of stream water during sampling Units: micro siemens per centimeter Domain: range (minimum = 10.0  maximum = 731.0)
19. TRACER_SOLUTECONC Definition: Concentration of dissolved conservative solute tracer at sample time & location Units: milligrams per liter Domain: range (minimum = 0.000  maximum = 61.600)
20. D15N_NH4 Definition: del 15N of ammonium Units: permil Domain: range (minimum = -16.6  maximum = 795.1)
21. D15N_TDN Definition: del 15N of total dissolved nitrogen Units: permil Domain: range (minimum = -14.0  maximum = 655.5)
22. D15N_NO3_1 Definition: del 15N of nitrate, replicate 1 Units: permil Domain: range (minimum = -17.0  maximum = 37042.0)
23. D15N_NO3_2 Definition: del 15N of nitrate, replicate 2 Units: permil Domain: range (minimum = -9.8  maximum = 43082.4)
24. INITIALSAMPLESIZE_15NO3 Definition: Initial volume boiled down to 100 mL for 15NO3 analysis Units: liters Domain: range (minimum = 0.001  maximum = 3.000)
25. INITIALSAMPLESIZE_15TDN Definition: Initial volume boiled down to 100 mL for TD15N analysis Units: liters Domain: range (minimum = 0.070  maximum = 1.110)
26. NOTES Definition: Notes from sites or metadata coordinator Domain: freetext