| Seawater properties and biogeochemical parameters of bottom boundary layer samples collected aboard the R/V Oceanus during ten cruises from 2017-2019 from the Oregon shelf and slope. | silicate
| Silicate |
| Alkalinity and dissolved inorganic carbon (DIC) from sea water samples collected at coral reefs from equatorial central Pacific in 1973, 2012, 2015, and 2018 | Silicate, SiO4
| Silicate |
| Hydrographic, nutrient, and carbonate system data from R/V Janan cruises in the Arabian Gulf in December 2018 and May 2019 | Silicate (SiO4)
| Silicate |
| Phytoplankton and nutrients from R/V Sagar Kanya, R/V Sagar Sampada SK256, SS263, SS273, SS286 in the N. Arabian Sea from 2009-2011 (Arabian Sea Noctiluca project) | silicate concentration
| SiO4 |
| Bacterial and viral cell counts, and nutrients from 5 cruises on the R/V Hugh R. Sharp in Delaware and Chesapeake Bays, 2014-2016 (Coastal Bacterial Growth Rates project) | Silicate concentration
| SiO4 |
| Benthic fluxes collected in August 2018 and July 2019 in northern Gulf of Mexico shelf on R/V Pelican | sediment silicate (SiO4) flux
| SiO4_flux |
| Benthic macroalgal and water column carbon uptake rates in an experimental chamber, Maunalua, O’ahu, Hawai’i, 2015-2016 | Silicate concentration of water inside the benthic chamber at the beginning of the experiment.
| silicate_pre |
| Niskin bottle data from R/V Pelagia 64PE325 in the subtropical Atlantic from October 2010 (Basin-scale Protists project) | silica
| Si |
| Hydrographic Data: temperature, salinity, nutrients from Niskin bottle samples from R/V Thomas G. Thompson cruises in the Arabian Sea in 1995 (U.S. JGOFS Arabian Sea project) | silicate (silicic acid/reactive silica)
| SiO4 |
| Bottle sample data and water processing samples from CTD casts from the first cruise of SPIROPA project, R/V Neil Armstrong cruise AR29, to the New England Shelfbreak in April 2018. | Silicate concentration
| Si |
| Chemical and biological data from CTD Niskin bottle samples from RVIB Nathaniel B. Palmer NBP1201 in the Ross Sea from 2011-2012 (PRISM-RS project) | silicate concentration
| SiO4 |
| Bottle sample data from CTD casts from the second cruise of SPIROPA project, R/V Ronald H. Brown cruise RB1904, to the New England Shelfbreak in May of 2019. | Silicate concentration
| Si |
| Bottle sample data from CTD casts from the third cruise of SPIROPA project, R/V Thomas G. Thompson cruise TN368, to the New England Shelfbreak in July of 2019 | Silicate (SiO4) concentration
| Si |
| Merged bottle and nutrient data from R/V Thomas G. Thompson cruises TT007, TT008, TT011, TT012 in the Equatorial Pacific in 1992 during the U.S. JGOFS Equatorial Pacific (EqPac) project | silicate
| SiO4 |
| Combined water sample data from variety of sampling devices from USCGC Polar Star cruise PS02_2002 in the Southern Ocean, south of New Zealand in 2002 (SOFeX project) | Silicate (MBARI)
| SiO4 |
| Niskin bottle basic hydrographic data, thorium-234, pigments and nutrients from VERTIGO cruises KM0414, ZHNG09RR from the Hawaiian Islands HOT Site, NW SubArctic Pacific Ocean K2 Site, 2004-2005 (VERTIGO project) | silicate
| SiO2 |
| P17N Ocean Acidification Pteropod Study: Carbonate chemistry system and hydrography samples from R/V New Horizon NH1208 from a transect 35-50 degrees North, Pacific Ocean, Aug-Sep 2012 (OAPS project) | silicate
| SiO4 |
| P17N Ocean Acidification Pteropod Study: Carbonate chemistry system and hydrography samples from R/V New Horizon NH1208 from a transect 35-50 degrees North, Pacific Ocean, Aug-Sep 2012 (OAPS project) | silicate corrected by deep isopycnal analysis with CLIVAR 2001
| SiO4_deepcorr |
| Chemical data associated with field collections from the Gulf of Maine, Nauset Marsh Estuary System, and Long Island Sound (Alexandrium isotopes project) | Dissolved nutrient concentration; Silicate
| Silicate |
| Dissolved nutrient data from RVIB Nathaniel B Palmer cruise (NBP18-01) in the Amundsen and Ross Seas from December 2017 to March 2018 | Silicate
| Silicate |
| Silicon Uptake Kinetics sampled aboard the R/V Pelican during during PE17-04 and PE17-20 along the Northern Gulf of Mexico, specifically the Louisiana Shelf region dominated by the discharge of the Mississippi River plume. | dissolved silicate from ambient (lowest) to +20 uM
| Total_Silicate |
| Water column data sampled aboard the R/V Pelican during August and September 2016 and May 2017 in Northern Gulf of Mexico, specifically the Louisiana Shelf region dominated by the discharge of the Mississippi River plume. | dissolved silicate
| Silicate |
| Bacterioplankton data from coral and coral mucus aquaria experiments conducted at Bermuda Institute of Ocean Sciences in 2013 | silicate in seawater samples
| Si04 |
| T-RFLP, response of the microbial community to coral spawning, lagoon and reef flats in Kaneohe Bay, Oahu, Hawaii during 2006 - 2007 (MiCoDe project) | silicate
| SiO4 |
| CTD and bottle data: TOM and nutrients from R/V Melville cruise MV1310 in the North Pacific Gulf of Alaska; 48N to 59N and 129W to 153W in 2013 (North Pacific RDOC project) | Silicate; Silicic Acid; Si; Si(OH)4
| SILCAT |
| CTD log from R/V Columbus Iselin IronEx I cruise in the Equatorial Pacific Ocean in 1993 (IronEx I project) | SiO4
| SiO4 |
| CTD, TM Rosette nutrients and chlorophyll data from the R/V Melville IronEx II cruise in the Equatorial Pacific Ocean in 1995 (IronEx II project) | SiO4
| SiO4 |
| Experimental data: El Nino virus abundance from Southern California and Rhode Island coast from 2007-2013 (El Nino and virus diversity project, Cyanophage Evolutionary Ecology project) | silicate
| SiO4 |
| Nutrients, chlorophyll-a, and light attenuation in the Delaware estuary from the R/V Hugh R. Sharp HRS110805DK, HRS111107DK, HRS120809DK, HRS121112DK, HRS1313, HRS1324 in 2011 - 2013 (PAPI: Photochemistry and Photoheterotroph Interactions project) | silicate concentration
| SiO4 |
| Discretes surface samples from R/V Ka'imikai-O-Kanaloa KOK1115 near Kona, Hawaii from December 2011 (C-MORE project) | silicate
| SiO4 |
| DOC, TDN, and Nutrients from the RVIB Nathaniel B. Palmer NBP1302 cruise in the Ross Sea during 2013 (TRACERS project) | SILICATE
| SILICATE |
| Dissolved Organic Matter, nutrients and CTD data collected during R/V Oceanus cruise OC404-01 and R/V Weatherbird II cruise WB0409 in the Sargasso Sea in June 2004 (EDDIES project) | silicate
| SiO4 |
| Measurements of Chlorophyll, NO2, NO3, PO4, Silicate, NH4, PIC, POC, PON, BSi from CTD casts on R/V Endeavor cruise EN616 in July 2018 | SIL
| SIL |
| Dissolved trace metal and macronutrient concentrations from field samples collected during the EXPORTS North Atlantic campaign at the Porcupine Abyssal Plain-Sustained Observatory (PAP-SO) site on board the RRS Discovery (DY131) in May 2021 | Concentrations of dissolved silicic acid in field samples. 'na' for 'not applicable’ used when no sample was collected for this parameter.
| SiO4_CONC |
| Dissolved trace metal and macronutrient concentrations from field samples collected during the EXPORTS North Atlantic campaign at the Porcupine Abyssal Plain-Sustained Observatory (PAP-SO) site on board the RRS Discovery (DY131) in May 2021 | Standard deviation of replicate silicate concentration measurements. If only 2 replicates, the difference about the mean was used to calculate error.
| SiO4_STDEV |
| Incubation experiments were conducted in St. John, US Virgin Islands to investigate the macronutrient drawdown response of reef seawater microbial communities to exudates released from the coral species Porites astreoides and Gorgonia ventalina. | Silicate
| Silicate |
| Depth profile chlorophyll, macronutrient, trace metal, metal speciation, and carbon system data from FeOA project cruise SKQ202209S on the R/V Sikuliaq in the Northeast Pacific between June and July 2022 | Concentrations of dissolved silicic acid in field samples.
| SiO4_CONC |
| Depth profile chlorophyll, macronutrient, trace metal, metal speciation, and carbon system data from FeOA project cruise SKQ202209S on the R/V Sikuliaq in the Northeast Pacific between June and July 2022 | Percent relative standard deviation of replicate silicate concentration measurements. Calculated as SiO4_STDEV divided by SiO4 and multiplied by 100.
| SiO4_PCNT_RSD |
| Depth profile chlorophyll, macronutrient, trace metal, metal speciation, and carbon system data from FeOA project cruise SKQ202209S on the R/V Sikuliaq in the Northeast Pacific between June and July 2022 | Standard deviation of replicate silicate concentration measurements. If only 2 replicates, the difference about the mean was used to calculate error.
| SiO4_STDEV |
| Nutrient concentrations, microbiology (Vibrio abundance), trace metals, and environmental conditions from collection sites in the Florida Keys National Marine Sanctuary, 2014-2016 | Silicate concentration determined by the automated molybdate-reactive silica method 4500-SiO2 E. (20th Edition Std. Meth.); MDL is 0.3 micro gram/L (determined using 9 samples on two different runs and correct student-T value). bdl = below detection limit.
| SiO4 |
| Temperature, salinity, water isotope, and inorganic nutrient profiles of sea ice core sections collected offshore near Utqiaġvik, Alaska, USA in May 2017 and 2018. | SiO4
| SiO4 |
| Brine samples from both sea ice and cryopeg near Utqiaġvik, Alaska, USA from 2017-05-08 to 2018-05-10 | SiO4
| SiO4 |
| Bottle data from the GEOTRACES Clean Carousel sampling system (GTC) on the Arctic Section cruise (HLY1502) from August to October 2015 (U.S. GEOTRACES Arctic project) | SILCAT
| SILCAT |
| Bottle data from the CTD-ODF carousel on the GEOTRACES Arctic Section cruise (HLY1502) from August to October 2015 (U.S. GEOTRACES Arctic project) | SILCAT
| SILCAT |
| GeoFish nutrients and salts along the US GEOTRACES East Pacific Zonal Transect from the R/V Thomas G. Thompson TN303 cruise in the tropical Pacific from Peru to Tahiti during 2013 (U.S. GEOTRACES EPZT project) | SILICATE
| SIL |
| Pump nutrients and salts along the US GEOTRACES East Pacific Zonal Transect from the R/V Thomas G. Thompson TN303 cruise in the tropical Pacific from Peru to Tahiti during 2013 (U.S. GEOTRACES EPZT project) | SILICATE
| SIL |
| Nutrient concentrations from Hood Canal, Puget Sound, Washington, USA from R/V Clifford A. Barnes CB960, CB974, CB980, CB985 from 2011-2012 (Nitrification and Marine Planktonic Biodiversity project) | silicate concentration
| SiO4 |
| Niskin bottle water samples and associated CTD measurements from the Hawaii Ocean Time-Series cruises from 1988-2023 | Silicate (SiO4)
| SILCAT |
| Nutrient data from the western Gulf of Maine (bottles) collected on R/V Gulf Challenger (GC2002-4) in the western Gulf of Maine from May to December 2002-2004 (REACH project) | silicate concentration
| SiO4 |
| Hydrography, nutrients, and nitrogen uptake rates from SPIROPA cruise TN368 in July 2019 | Silicate concentration of sample water
| SiO4 |
©2020 Biological and Chemical Oceanography Data Management Office.