Sigma-t density, often reported in kg/m^3 - 1000. 'Sigma-t' is density minus 1000 (without the effect of pressure). It is normally calculated from observations of temperature and salinity. (See How do we measure the density of sea water?)
Dataset Name | Dataset Brief Description | PI-Supplied Parameter Description | PI-Supplied Parameter Name |
---|---|---|---|
Acartia tonsa mortality with CTD data: 5 daytrips | Acartia tonsa mortality from net tows and associated CTD data | Density recorded by CTD sensors for each cast | sigma_t00 |
Acartia tonsa mortality with CTD data: RV Sharp | Acartia tonsa mortality from Niskin and associated CTD data | Density recorded by CTD sensors for each bottle | Sigma_t00 |
AE1620 bottles: Biogeochemical and Microbial data | bottle data AE1620 | CTD sigma theta (potental density) | Sigma_theta |
AE1703 bottles: Biogeochemical and Microbial data | bottle data AE1703 | CTD sigma theta (potental density) | Sigma_theta |
Ammonia-nitrite-nitrate assays | Ammonia-nitrite-nitrate assays | Sigma-t | Sigma_t |
Arabian Sea phytoplankton | Phytoplankton and nutrients from Northern Arabian Sea, 2009-2011 | sigma_t density | sigma_t |
Bacteria | Bacterial abundance, thymidine & leucine incorporation | sigma-T (density) | sigma_t |
bottle | Niskin bottle data from cruise KN207-03 (NA-VICE). | Sigma-t density from primary sensor. Originally named 'Sigma-t00'. | sigma_t |
bottle | Merged hydrographic, nutrient and Carbon/Nitrogen | sigma-t as calculated by Williams | sigma_t |
bottle | Niskin bottle data from cruise KN207-03 (NA-VICE). | Sigma-t density from secondary sensor. Originally named 'Sigma-t11'. | sigma_t_2 |
Bottle AR29 | Bottle data April 2018 | Sigma-theta density from primary sensors | sigmat |
Bottle AR29 | Bottle data April 2018 | Sigma-theta density from secondary sensors | sigmat2 |
Bottle Data | CTD Bottle Data | SigmaT | SigmaT |
Bottle Data for EN665 Gulf of Maine | Bottle Data for EN665 Gulf of Maine | density at surface pressure | SIGMA_T |
Bottle RB1904 | Bottle dataset May 2019 | Sigma-theta density from primary sensors | sigmat |
Bottle RB1904 | Bottle dataset May 2019 | a | sigmat2 |
Bottle TN368 | Bottle data, July 2019 | Sigma-theta density from primary sensors | sigmat |
Bottle TN368 | Bottle data, July 2019 | Sigma-theta density from secondary sensors | sigmat2 |
bottle_data | Bottle data from CTD Rosettes from 2 cruises to the Gulf of Mexico during 2010. | Sigma-t density. Originally named 'Sigma-t00'. | sigma_t |
bottle_KN207-01 | Niskin bottle data from cruise KN207-01. | Sigma-t density from primary sensor. Originally named 'Sigma-t00'. | sigma_t |
bottle_KN207-01 | Niskin bottle data from cruise KN207-01. | Sigma-t density from secondary sensor. Originally named 'Sigma-t11'. | sigma_t_2 |
bottle_merged | Merged bottle and nutrient data | ctd sigma-t | sigma_t_ctd |
bottle_proc | Rosette Bottle Data (nutrients, chl), 2001 and 2003 | sigma-t density | sigma_t |
Cariaco Meta-Omics Cruises CTD data | CTD profiles collected in support of molecular samples. | density of seawater | sigma_t |
Chemistry - May 2007 | Chemistry - May 2007 | Sigma Tau | Sigma_Tau |
Chile - Glider - Dive Data | Chile - Glider - Dive Data | sigma-t (density) | sigma_t |
CTD | CTD profile data, including beam attenuation | sigma-t | sigma_t |
CTD | Final version CTD, including beam attenuation optics | sigma t | sigma_t |
CTD | SOFeX project CTD profile data | sigma-T (density) | sigma_t |
CTD | continuous downcast profile data in 1m bins | sigma-t density | sigma_t |
CTD | CTD profile data | density sigma-t | Sigma_t00 |
CTD | SOFeX project CTD profile data | sigma-T (density) | sigma_t_S |
CTD - BAG 1 | CTD - BAG 1 | potential density | sigma_t |
CTD - Bottle | CTD - Bottle | Density sigma-t average | Sigma_t00_avg |
CTD - Bottle | CTD - Bottle | Density sigma-t standard of deviation | Sigma_t00_sdev |
CTD - Bottle | CTD Bottle Data (Preliminary) | Sig t | Sig_t |
CTD - Profiles | CTD Profile Data | sigma0 | sigma0 |
CTD - Profiles | CTD Profile Data | density; sigma-t calculated from salinity; T1; Sal1 and pressure) | SIGMA_T |
CTD - Profiles | CTD Profile Data | density; sigma-t calculated from salinity; T1; Sal1 and pressure) | SIGMA_T |
CTD - Profiles | CTD - Profiles | Density sigma-t | sigma_t00 |
CTD - Profiles | CTD Profile Data | Density sigma-t | sigma_t00 |
CTD - Profiles | CTD Profile Data | Density 2 sigma-t | sigma_t11 |
CTD - Profiles | CTD Profile Data | density; sigma-t calculated from salinity; T1; Sal1 and pressure) | SIGMA_THETA |
CTD - Profiles | CTD Profile Data | density; sigma-t calculated from salinity; T1; Sal1 and pressure) | SIGMA_THETA |
CTD Boothbay to Hague | CTD data from F/V Tenacious, Gulf of Maine, 2001-2003, associated with lobster larvae study | sigma_t, density | sigma_t |
CTD Composite Profiles | CARIACO time series composite CTD profiles | density sigma-t | sigma_t |
CTD data from LMG1110 | CTD downcasts from LMG-1110 in the Antarctic in November, 2011. | water density from primary sensors | sigma_t |
CTD Individual Profiles | CARIACO time series individual CTD profiles | Density sigma t | sigma_t00 |
CTD KN195-03 | CTD data from KN195-03 in the equatorial and north Pacific. | Sigma-t density (secondary). Originally named 'Sigma-t11'. | sigma_t_2 |
CTD Log | CTD Log | Sigmat | Sigma_t |