1999 Nutrients Data Tom Johengen UM CILER 734-741-2203 Tom.Johengen@noaa.gov 99046DAT.txt surv-1999-046 99067DAT.txt surv-1999-067 99095DAT.txt surv-1999-095 99116DAT.txt surv-1999-116 99154DAT.txt surv-1999-154 99210DAT.txt surv-1999-210 99229DAT.txt surv-1999-229 99254DAT.txt surv-1999-254 99292DAT.txt surv-1999-292 99347DAT.txt surv-1999-347 Data type: Particulate and dissolved nutrients, suspended solids on discrete water samples 1) Total suspended material (TSM): gravimetric, GF-F filters 2) Total Phosphorus (TP) : molybdate/ascorbic acid method on AutoAnalyzer II, after persulfate digestion 3) Total Dissolved Phosphorus (TDP) : molybdate/ascorbic acid method on AutoAnalyzer II, after persulfate digestion of 0.2 uM filtered samples 4) Particulate Phosphorus (PP) : molybdate/ascorbic acid method on AutoAnalyzer II, after combustion, boiling HCL extraction of particles retained on a GFF filter 5) Bioavailable Phosphorus (AVP) : molybdate/ascorbic acid method on AutoAnalyzer II, after NaOH digestion of particles retained on 0.2 uM nucleopore filter 6) Particulate Silica (PSiO2) : molybdate/ascorbic acid method on AutoAnalyzer II, after NaOH digestion of particles retained on 0.2 uM nucleopore filter 7) Soluble Reactive Phosphorus (SRP) : molybdate/ascorbic acid method on AutoAnalyzer II, of 0.2 uM filtered samples 8) Nitrate + Nitrite (NO3): cadium reduction method on AutoAnalyzer II, of 0.2 uM filtered samples 9) Ammonium (NH4): phenol method on AutoAnalyzer II, of 0.2 uM filtered samples 10) Soluble Reactive Silica (SiO2): molybdate/ascorbic acid method on AutoAnalyzer II of 0.2 uM filtered samples 11) Chloride (Cl): ferric thicyanate method on AutoAnalyzer II of 0.2 uM filtered samples 12) Particulate Organic Carbon (POC): Carlo Erba CHN elemental analyzer 13) Particulate Organic Nitrogen (PON): Carlo Erba CHN elemental analyzer OP # (text) Year (yr) DOY (day) Time (GMT) Latitude (deg) Latitude (min) Longitude (deg) Longitude (min) Station (text) Depth (m) Sample ID (text) Secchi (m) TSM (mg/l) TP (ugP/l) TDP (ugP/l) PP (ugP/l) PSiO2 (mg/L) NO3 (ugN/l) NH4 (ugN/l) SRP (ugP/l) SiO2 (mg/l) Cl (mg/l) POC (mg/l) PON (mg/l) CHL (ug/l)