16 datasets · 17 holdings · 28 reference rows

Datasets

Every dataset CalCOFI holds — the 16 in the integrated database, each with its coverage, every endpoint it can be reached through and how to cite it, and the 17 holdings that are not in the database yet. One page per dataset.

The machine-readable catalog is data.json and sitemap.xml.

CalCOFI integrated database v2026.09.112026-09-11

datasets: 16
tables: 23
rows: 362 M
holdings: 17

schema ↗ query ↗ changelog ↗cite

Biology

what lives in the water column — counted, measured, identified 1,008 species 1,506 taxa · 10 datasets · 1.3 M observationsBrowse the species →

Euphausiids (Krill)

1 dataset

Euphausiid species and stages from bongo tows

Euphausiids (Krill) CCE-LTER 1951–2019100,505 obs

37 taxa
Euphausia pacificaHansarsia difficilisThysanoessa gregariaNyctiphanes simplexStylocheiron longicorneEuphausia recurvaEuphausia gibboidesStylocheiron affine… all 37 on the dataset page
provider terms ↗

Fish Eggs & Larvae

2 datasets

Ichthyoplankton — fish eggs and larvae from oblique and vertical tows and the continuous underway egg sampler

CUFES Fish Eggs NOAA SWFSC 1996–2022284,097 obs

6 taxa
Sardinops sagaxEngraulis mordaxTeleosteiMerluccius productusTrachurus symmetricusDoryteuthis opalescens
provider terms ↗
Ichthyoplankton NOAA SWFSC 1951–2023482,250 obs

963 taxa
TeleosteiEngraulis mordaxSebastesVinciguerria lucetiaTriphoturus mexicanusMerluccius productusSardinops sagaxProtomyctophum crockeri… all 963 on the dataset page
unstated

Genomics & eDNA

0 datasets · 2 held

Metabarcoding and environmental DNA — ASV tables, eDNA-derived abundance and density

not yet in the database · 2
- Baleen whale eDNA Cal Polyarchivedsource ↗
- NCOG 16S / 18S metabarcoding JCVIexternalsource ↗

Mesopelagic Fish

1 dataset

Midwater trawl catches of mesopelagic fishes

Mesopelagic Fish SIO 2010–20121,393 obs

87 taxa
Triphoturus mexicanusLampanyctus ritteriDiaphus thetaStenobrachius leucopsarusCeratoscopelus townsendiSymbolophorus californiensisArgyropelecus sladeniIdiacanthus antrostomus… all 87 on the dataset page
CC BY 4.0

Phytoplankton

1 dataset · 3 held

Phytoplankton counts by taxon or functional group, and imaging flow cytometry (IFCB)

Phytoplankton CalCOFI 159,804 obs

309 taxa
DinophyceaeBacillariophyceaeCoccolithophyceaeNitzschia bicapitataNitzschia siculaPterospermaProtoperidinium ovumChaetoceros compressus… all 309 on the dataset page
CC0 · public domain
not yet in the database · 3
- Hopkins phytoplankton (Monterey Bay) Stanford Hopkins MSarchivedsource ↗
- IFCB imagery (CTD) SCCOOSexternalsource ↗
- IFCB imagery (underway) SCCOOSexternalsource ↗

Picoplankton & Bacteria

1 dataset

Picoplankton and bacterioplankton abundances by flow cytometry

Picoplankton & Bacteria CCE-LTER 2004–202360,802 obs

4 variables
het_bacteriapicoeukaryotesprochlorococcussynechococcus
unstated

Seabirds & Marine Mammals

1 dataset · 1 held

Strip-transect counts of seabirds and marine mammals along the cruise track

Seabirds & Marine Mammals Farallon Institute 1987–202269,661 obs

131 taxa
Larus occidentalisHydrobates leucorhousAvesArdenna griseaLarus californicusPhalaropus fulicariusArdenna creatopusPtychoramphus aleuticus… all 131 on the dataset page
provider terms ↗
not yet in the database · 1
- Cetacean sightings SIOexternalsource ↗

Zooplankton

5 datasets · 1 held

Net-tow zooplankton: displacement volume, imaged and identified taxa, decapod larvae

Dungeness Crab Megalopae CDFW 1984–20141,456 obs

3 taxa
DecapodaMetacarcinus magisterCancridae
CC BY 4.0
Phyllosoma (Lobster Larvae) CalCOFI 1951–20091,859 obs

1 taxa
Panulirus interruptus
provider terms ↗
ZooDB (Holoplankton Community) CCE-LTER 1951–201530,948 obs

33 taxa
SalpidaPyrosomatidaGalatheidaeRadiozoaPseudothecosomataEuthecosomataAtlantidaeGymnosomata… all 33 on the dataset page
provider terms ↗
Zooplankton Net Tows SIO unstated
ZooScan (Imaged Zooplankton) CCE-LTER 2005–2026126,692 obs

23 taxa
ChaetognathaOithonidaeErgasilidaCalanoidaCnidariaAppendiculariaEuphausiaceaGastropoda… all 23 on the dataset page
provider terms ↗
not yet in the database · 1
- Hopkins zooplankton (Monterey Bay) Stanford Hopkins MSarchivedsource ↗

Environment

the water itself — its physics, chemistry and the air above it 89 measurements 94 series · 5 datasets · 325 M valuesBrowse the measurements →

Carbonate System

1 dataset · 3 contributing

Dissolved inorganic carbon, alkalinity, pH and pCO2

Carbonate Chemistry / DIC CalCOFI 1983–20213,708 obs

4 variables
alkalinityctdtemp_its90dicsalinity_pss78
CC BY 4.0
CTD Cast Files contributes

1 variable
ph
Physical Oceanography
Hydrographic Bottle contributes

2 variables
alkalinity_rep1dic_rep1
Physical Oceanography
Underway Meteorological (METS) contributes

1 variable
sw_ph
Meteorology & Sea State

Meteorology & Sea State

1 dataset

Wind, air temperature, pressure, cloud, visibility, sea state and water colour from the underway METS and ship observations

Underway Meteorological (METS) CalCOFI 2004–2022511,395 obs

17 variables
air_temp_catm_pressure_mbbottom_depth_mchl_fluorlong_wave_radoxygenpar_surfrel_humidity_pct… all 17 on the dataset page
unstated

Nutrients & Chemistry

0 datasets · 2 contributing · 4 held

Nitrate, nitrite, phosphate, silicate and ammonium from bottle samples; particulate and total organic carbon and nitrogen, nitrate isotopes, and trace metals (iron)

CTD Cast Files contributes

8 variables
btl_ammoniumbtl_nitratebtl_nitritebtl_phosphatebtl_silicateest_nitrate_cruise_correst_nitrate_sta_corrisus_v
Physical Oceanography
Hydrographic Bottle contributes

6 variables
ammonianitratenitritephosphater_ammoniumsilicate
Physical Oceanography
not yet in the database · 4
- Dissolved iron CCE-LTERarchivedsource ↗
- POC / PON (CalCOFI cruises) CCE-LTERexternalsource ↗
- POC / PON (CCE region) CCE-LTERarchivedsource ↗
- Total organic carbon CCE-LTERexternalsource ↗

Physical Oceanography

2 datasets · 2 contributing · 2 held

Temperature, salinity, density, oxygen, pressure and dynamic height from bottles and CTD casts

CTD Cast Files CalCOFI 1993–202618,126,607 obs

43 variables
beam_attenuationbtl_ammoniumbtl_chlorophyll_abtl_depthbtl_nitratebtl_nitritebtl_phaeopigmentbtl_phosphate… all 43 on the dataset page
unstated
Hydrographic Bottle CalCOFI 1949–202111,135,581 obs

26 variables
alkalinity_rep1ammoniac14_darkc14_meanc14_rep1c14_rep2chlorophyll_adic_rep1… all 26 on the dataset page
unstated
Carbonate Chemistry / DIC contributes

2 variables
ctdtemp_its90salinity_pss78
Carbonate System
Underway Meteorological (METS) contributes

7 variables
bottom_depth_moxygensss_psusst_ctsg1_salinity_psutsg1_temp_cuws_flow
Meteorology & Sea State
not yet in the database · 2
- Hopkins supplemental (Monterey Bay) Stanford Hopkins MSarchivedsource ↗
- NOAA additional CTD casts NOAA SWFSCexternalsource ↗

Productivity & Pigments

0 datasets · 3 contributing · 4 held

Chlorophyll a, phaeopigments, primary production (C14) and light (PAR)

CTD Cast Files contributes

7 variables
btl_chlorophyll_abtl_phaeopigmentest_chlorophyll_a_cruise_correst_chlorophyll_a_sta_corrfluorescence_vparspar
Physical Oceanography
Hydrographic Bottle contributes

7 variables
c14_darkc14_meanc14_rep1c14_rep2chlorophyll_alight_pctphaeopigment
Physical Oceanography
Underway Meteorological (METS) contributes

2 variables
chl_fluorpar_surf
Meteorology & Sea State
not yet in the database · 4
- Bottle + productivity (EDI 78) CalCOFIexternalsource ↗
- HPLC pigments CCE-LTERexternalsource ↗
- Primary production (14C) CCE-LTERexternalsource ↗
- Size-fractionated chl a CCE-LTERarchivedsource ↗

The reference frame

28 reference rows

Release tables Cruise Ship Grid spatial spatial_attribute

Spatial layers 22 boundary layers as PMTiles — browse the folder ↗

Bathymetry GEBCO 2025 bathymetry ↗ · GEBCO Compilation Group (2025) GEBCO 2025 Grid (doi:10.5285/37c52e96-24ea-67ce-e063-7086abc05f29)

Datasets

Datasets by category