Marine water quality monitoring
Parameters
Marine water quality monitoringParameters |
|
| parameter | abbr | unit | profile | discrete sample | method(s) | comment |
|---|---|---|---|---|---|---|
| Beam_c@670 nm | Beam_c | m^-1 |  | | calculated, @670 nm | |
| Chlorophyll a | Chla | ug/L |  | | Lorenzen, 1966 | as of 7/1/99; SM10200H3 before |
| Conductivity | Cond | umhos | | | unknown | |
| Density | Density | sigma-t | | | calculated, UNESCO 1983 | |
| Dissolved Oxygen | DO | mg/L | | | membrane sensor | Beckman 11/1/89-10/2/01; SBE after; various before |
| Dissolved Oxygen-Saturation | DOSat | % | | | calculated | |
| Enterococci | Entero | #/100ml | | | EPA 1600 | Manchester Lab |
| Fecal Coliform | FC | #/100ml | | | SM16-909C | Manchester Lab |
| Ammonia-un-ionized | NH3UN | mg/L | | | calculated, EPA | |
| Ammonium (dissolved) | NH4(uM)D | uM | | | Slawyk and Mac Isaac, | Univ. Washington Ocean Lab |
| Ammonium-Ammonia (dissolved) | NH43D | mg/L | | | dissolved SM4500NH3H | Manchester Lab |
| Ammonium as N (total) | NH4T | mg/L | | | total SM4500NH3H | Manchester Lab |
| Nitrite (dissolved) | NO2(uM)D | uM | | | UNESCO 1994 | Univ. Washington Ocean Lab |
| Nitrite-Nitrate (dissolved) | NO23D | mg/L | | | dissolved SM4500NO3I | Manchester Lab |
| Nitrate-Nitrite as N (total) | NO23T | mg/L | | | total SM4500NO3I | Manchester Lab |
| Nitrite (dissolved) | NO2D | mg/L | | | dissolved EPA 353.2 | Manchester Lab |
| Nitrite (total) | NO2T | mg/L | | | total EPA 353.2 | Manchester Lab |
| Nitrate (dissolved) | NO3(uM)D | uM | | | UNESCO 1994 | Univ. Washington Ocean Lab |
| Ortho-Phosphate (dissolved) | OPD | mg/L | | | dissolved SM4500PG | Manchester Lab |
| Ortho-Phosphate (total) | OPT | mg/L | | | total SM4500PG | Manchester Lab |
| pH | pH | pH | | | SeaBird SBE18 sensor | since 11/1/89 |
| Pheopigments | Pheo | ug/L | | | Lorenzen, 1966 | as of 7/1/99; SM10200H3 before |
| Ortho-Phosphate (dissolved) | PO4(uM)D | uM | | | UNESCO 1994 | Univ. Washington Ocean Lab |
| Total Phosphorus | PT | mg/L | | | SM4500PI | Manchester Lab |
| Salinity | Salinity | PSU | | | SeaBird SBE conductivity cell | PSS-78 since 11/1/89; various before (unit PPT) |
| Secchi Depth | Secchi | m | | | 30-cm white disk | since 10/1/92; 20-cm white-black before |
| Silicate (SIOH4) (dissolved) | SiOH4(uM)D | uM | | | UNESCO 1994 | Univ. Washington Ocean Lab |
| Temperature, water | Temp | deg C | | | SeaBird SBE thermistor | since 11/1/89 |
| Total Organic Carbon | TOC | mg/L | | | unknown | |
| Turbidity (historical) | Turbidity | unknown units | | | unknown | |
| Light Transmission | Xmiss_25cm | % | | | transmissometer | SeaTech 11/1/89-10/2/01; WetLabs after |
| Xmiss_Uncorr | % | | | SeaTech sensor, uncalibrated |
Units
| abbr | description |
|---|---|
| #/100ml | number per hundred milliliters |
| % | percent |
| deg C | degrees Celsius (Centigrade) |
| m | meters |
| m^-1 | per meter |
| mg/L | milligrams per liter |
| pH | pH units |
| PSU | Practical Salinity Unit (~ equal to part per thousand) |
| sigma-t | sigma-t = (density (kg/m3) - 1 )* 1000 |
| ug/L | micrograms per liter |
| uM | micro molar |
| umhos | micro mhos (mho = 1/ohm = 1 Siemen) |