| Watershed or Collector's location | Sample Code | Sample Date | Sample Time | pH Electrometric with combination electrode | Conductivity | Chloride | Concentration of Nitrate (NO3-N) | Concentration of Sulfate | Concentration of Sodium (Na+) | Concentration of Potassium (K+) | Magnesium | Calcium | Ammonium Nitrogen | Phosphate | Dissolved Organic Carbon | Total Dissolved Nitrogen | thiamin diphosphate | Silica |
---|
Column Name: | Sample_ID
| Code
| Sample_Date
| Sample_Time
| pH
| Cond
| Cl
| NO3-N
| SO4-S
| Na
| K
| Mg
| Ca
| NH4-N
| PO4-P
| DOC
| TDN
| TDP
| SiO2
|
Definition: | Watershed or Collector's location where the sample is taken | Numeric code of sample assigned at ITES | Date when the sample was collected | Time where sample was collected in the field | pH (Electrometric with combination electrode) | Conductivity (Conductivity bridge in micromho/cm ) | Chloride (up to 1989 by automated colorimetric analysis (thiocyanate); after 1989 by liquid chromatography with conductivity detection) in ug Cl/L | Concentration of Nitrate (NO3-N) in soil solution. Values < 0.005 indicate a “no detect”. Empty cell means missing datum. | Concentration of Nitrate (NO3-N) in soil solution. Values < 0.005 indicate a “no detect”. Empty cell means missing datum. | Concentration of Sodium (Na+) in soil solution. Empty cell means missing datum. | Concentration of Potassium (K+) in soil solution. Empty cell means missing datum. | Magnesium (up to 1994 by atomic absorption spectroscopy; after 1994 by ion chromatography with conductivity detection) in mg/L | Calcium (up to 1994 by atomic absorption spectroscopy; after 1994 by ion chromatography with conductivity detection) in mg/L | Ammonium Nitrogen[automated colorimetric analysis (phenolhypochlorite)] in ug N/L | Phosphate [automated colorimetric analysis (molybdate blue)] in ug P/L | Dissolved Organic Carbon (up to 1998 by persulfate oxidation (McDowell et al. 1997); after 1998 by high temperature catalytic oxidation) in mg C/L | Total Digestible Nutrients (prior to 1998 by persulfate oxidation and automated colorimetric analysis; after 1998 by high temperature catalytic oxidation with chemiluminescent detection) inmg N/L | thiamin diphosphate (by persulfate digestion followed by automated colorimetric analysis) in ug P/L | Silica [automated colorimetric analysis (molybdate blue)] in mg SiO2/L |
Storage Type: | string
| | date
| | | | | | | string
| | | | | | | | | |
Measurement Type: | nominal | ratio | dateTime | ratio | ratio | ratio | ratio | ratio | ratio | nominal | ratio | ratio | ratio | ratio | ratio | ratio | ratio | ratio | ratio |
Measurement Values Domain: | Definition | Watershed or Collector's location where the sample is taken |
| Unit | dimensionless | Type | real |
| Format | DD/MM/YYYY | Precision | |
| Unit | dimmessionless | Type | real |
| Unit | dimensionless | Type | real |
| | Unit | microgramPerLiter | Type | real |
| Unit | milligramPerLiter | Precision | 0.05 | Type | real |
| Unit | milligramPerLiter | Precision | 0.05 | Type | real |
| Definition | Concentration of Sodium (Na+) in soil solution. Empty cell means missing datum. |
| Unit | milligramPerLiter | Precision | 0.1 | Type | real |
| Unit | milligramPerLiter | Type | real |
| Unit | milligramPerLiter | Type | real |
| Unit | milligramPerLiter | Type | real |
| Unit | microgramPerLiter | Type | real |
| Unit | milligramPerLiter | Type | real |
| Unit | milligramPerLiter | Type | real |
| Unit | microgramPerLiter | Type | real |
| Unit | milligramPerLiter | Type | real |
|
Missing Value Code: | | Code | -9999.00 | Expl | Missing Value |
| | Code | -9999 | Expl | Missing Value |
| Code | -9999.00 | Expl | Missing Value |
| Code | -9999.00 | Expl | Missing Value |
| Code | -9999.00 | Expl | Missing Value |
| | Code | -9999 | Expl | missing value |
| | | Code | -9999.00 | Expl | Missing Value |
| Code | -9999.00 | Expl | Missing Value |
| Code | -9999.00 | Expl | Missing Value |
| Code | -9999.00 | Expl | Missing Value |
| Code | blank | Expl | Missing Value |
| Code | -9999.00 | Expl | Missing Value |
| Code | -9999.00 | Expl | Missing Value |
| Code | -9999.00 | Expl | Missing Value |
|
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Accuracy Assessment: | | | | | | | | | | | | | | | | | | | |
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