Catalog - Data.gov

Found 29 datasets matching "chlorophyll-a extracted".

Federal
Diel Assessment of Life in Lake Erie (DALLE): Physical, chemical, and biological water quality data collected from the R/V LAURENTIAN in western Lake Erie in the Great Lakes region from 2023-07-14 to 2023-07-25 (NCEI Accession 0293811)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-06-15T00:00:00.000+00:00
Biological, physical, and chemical water quality data collected to assess diel patterns and short-term weather events during a sampling cruise aboard the R/V LAURENTIAN (R8001) from 2023-07-14 to...
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Search relevance: 73.18 | Views last month: 0
Federal
Physical, chemical, and biological water quality data and CTD casts collected from small boats in Saginaw Bay, Lake Huron in the Great Lakes region from 2008-05-12 to 2010-10-13 (NCEI Accession 0220469)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-10-19T00:00:00.000+00:00
This dataset includes physical, chemical, and biological water sampling data collected in Saginaw Bay, Lake Huron from 2008 to 2010. These data were collected to aid in the understanding of...
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Search relevance: 57.35 | Views last month: 0
Federal
Physical, chemical, and biological water quality monitoring data to support detection of Harmful Algal Blooms (HABs) in western Lake Erie, collected by the Great Lakes Environmental Research Laboratory and the Cooperative Institute for Great Lakes Research since 2012
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-07-03T00:00:00.000+00:00
Blooms of nuisance and toxic cyanobacteria, referred to as cyanobacteria harmful algal blooms (cHABs), occur annually in Lake Erie and pose a threat to human health, affect the quality of life,...
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Search relevance: 53.03 | Views last month: 0
Federal
Physical, chemical, and biological water quality monitoring data to support detection of Harmful Algal Blooms (HABs) in Saginaw Bay, Lake Huron, Great Lakes collected by the Great Lakes Environmental Research Laboratory and the Cooperative Institute for Great Lakes Research since 2012
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-12-19T00:00:00.000+00:00
Blooms of nuisance and toxic cyanobacteria, referred to as cyanobacteria harmful algal blooms (cHABs), occur seasonally in Saginaw Bay, Lake Huron, and pose a threat to human health, affect the...
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Search relevance: 52.49 | Views last month: 0
Federal
Refining Techniques for High-Frequency Monitoring of Chlorophyll in the NERRS - NERRS/NSC(NERRS Science Collaborative)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-01-01T00:00:00.000+00:00
Twelve biogeochemically diverse reserves participated in a one -year study to standardize protocols for calibration and data management using both chlorophyll methods (extractions and in situ...
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Search relevance: 48.82 | Views last month: 0
Federal
Chlorophyll a, hydrostatic pressure, and water density measurements collected from New Horizon in Gulf of California and North Pacific Ocean from 2004-07-14 to 2008-08-06 (NCEI Accession 0130065)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2015-07-28T00:00:00.000+00:00
Extracted chlorophyll a, normalized to filtered volume, from suspended particulate material collected via Niskin bottle from the Gulf of California in the summers of 2004, 2005, and 2008, as well...
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Search relevance: 48.30 | Views last month: 0
Federal
Remotely sensed and in-situ chlorophyll a and temperature data from Blue Mesa Reservoir, Colorado
- Organization: Department of the Interior
- Updated: 2025-08-12T00:00:00Z
This data set includes estimates of aquatic chlorophyll a concentration and reservoir temperature for Blue Mesa Reservoir, CO. A Random Forest modeling approach was trained to model near-surface...
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Search relevance: 42.29 | Views last month: 2
Federal
Australian Western Equatorial JGOFS Data: Oceanographic profile temperature, salinity, nutrients, and other measurements collected using bottle and high resolution CTD from the FRANKLIN in the Equatorial Pacific, South Pacific, and other locations from 1990 to 1993 (NCEI Accession 0000569)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-12-30T00:00:00.000+00:00
The OZGOFS research project was a multidisciplinary project comprising 3 research cruises on the R.V. Franklin in October 1990, July 1992 and November 1993. The area of operations was between 2ºS...
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Search relevance: 40.95 | Views last month: 0
Federal
Water Quality and Toxic Algal Presence in Borrow Pits in Eastern Lake Pontchartrain, 2021-2023
- Organization: Department of the Interior
- Updated: 2024-10-24T00:00:00Z
This dataset consists of sensor profile and water sample results from monitoring campaign to investigate the effects of two dredged pits in eastern Lake Pontchartrain on dissolved oxygen...
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Search relevance: 40.58 | Views last month: 0
Federal
Obsolete - AFSC/RACE/EcoFOCI: 2011 GOA-IERP & Seward Line 1TX11
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-05-15T19:16:16.000+00:00
1.Conduct tandem 20 cm (153 mesh size) and 60 cm (505 mesh size) Bongo net tows at all grid stations (Table 2) working from west to east. Deployments were made aft from the hydrographic winch,...
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Search relevance: 40.52 | Views last month: 0
Federal
Cyanobacteria, Cyanotoxin, Cyanotoxin Synthetase Gene, and other Water-Quality Data Collected from Five River Basins in the North Atlantic Appalachian Region, August through September, 2020
- Organization: Department of the Interior
- Updated: 2024-04-29T00:00:00Z
This data release contains cyanotoxin, chlorophyll-a, and pheophytin-a concentration, cyanobacterial genetics, phytoplankton community composition, and multiparameter sonde data collected from 20...
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Search relevance: 38.16 | Views last month: 0
Federal
Conifer Needle Pigment Composition, Niwot Ridge, Colorado, USA, 2017-2018
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This dataset provides concentrations of pigments in pine and spruce needle tissues collected at the Niwot Ridge AmeriFlux Core site (US-NR1) near Nederland, Colorado, USA, during the summers of...
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Search relevance: 37.31 | Views last month: 0
Federal
EK80 Water Column Sonar Data Collected During SH2204
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-03-01T00:00:00.000+00:00
The following are specific objectives for the spring CalCOFI. Continuously sample pelagic fish eggs using the Continuous Underway Fish Egg Sampler (CUFES). The data will be used to estimate the...
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Search relevance: 33.15 | Views last month: 0
Federal
Chlorophyll accessory pigments collected from OSCAR ELTON SETTE in North Pacific Ocean from 2008-03-01 to 2011-04-01 (NODC Accession 0129395)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2015-06-11T00:00:00.000+00:00
These data represent the chlorophyll accessory pigments measured from discrete depth water samples collected in CTD-mounted 10 liter Niskin bottles as part of NOAA surveys in the central North...
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Search relevance: 31.30 | Views last month: 0
Federal
EK60 Water Column Sonar Data Collected During SH1704
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-10-09T00:00:00.000+00:00
Survey the distributions and abundances of pelagic fish stocks, their prey, and their biotic and abiotic environments in the area of the California Current between San Francisco, California and...
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Search relevance: 31.12 | Views last month: 1
Federal
CTD, water quality, plankton species abundance, quantitative phytoplankton profiles and chlorophyll a and b concentrations in sediment samples data collected from R/V Bellows cruise BE-1212 in the northern Gulf of Mexico from 2011-05-21 to 2013-09-16 (NCEI Accession 0175053)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-12-07T00:00:00.000+00:00
This dataset contains CTD, water quality, plankton species abundance, quantitative phytoplankton profiles, and chlorophyll a and b concentrations in sediment samples data collected from R/V...
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Search relevance: 30.11 | Views last month: 0
Federal
Chlorophyll accessory pigments collected from NOAA Ship OSCAR ELTON SETTE in North Pacific Ocean from 2008-03-01 to 2011-04-01 (NCEI Accession 0129395)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2015-06-12T00:00:00.000+00:00
These data represent the chlorophyll accessory pigments measured from discrete depth water samples collected in CTD-mounted 10 liter Niskin bottles as part of NOAA surveys in the central North...
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Search relevance: 29.02 | Views last month: 0
Federal
Physical, chemical, and biological water quality data and CTD casts collected from NOAA R/V Shenehon in Saginaw Bay, Lake Huron in the Great Lakes region from 1991-04-12 to 1996-09-20 (NCEI Accession 0218895)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-09-16T00:00:00.000+00:00
This dataset includes physical and chemical data collected in Saginaw Bay, Lake Huron from 1991 to 1996. All of these data were collected as part of a larger effort to monitor and assess the...
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Search relevance: 23.82 | Views last month: 0
Federal
Assessing spatial variability of nutrients and related water quality constituents in the California Sacramento-San Joaquin Delta at the landscape scale: 2018 High resolution mapping surveys (ver. 2.0, October 2023)
- Organization: Department of the Interior
- Updated: 2023-10-03T00:00:00Z
The dataset documents the spatial and temporal variability of nutrients and related water quality parameters at high spatial resolution in the North Delta, Central Delta, and the Western Delta out...
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Search relevance: 21.93 | Views last month: 0
Federal
Physical, nutrient, chlorophyll a and plankton abundance data collected from CTD and bottle casts aboard the R/Vs OCEANUS and ENDEAVOR in the Western Sargasso Sea and Northeast U.S. Shelf from 2004 to 2005 (NCEI Accession 0053611)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2009-05-08T00:00:00.000+00:00
Physical, chemical and biologic parameters were measured in the Western Sargasso Sea and Northeast U.S. shelf aboard R/V Endeavor from 13 May to 31 May, 2004 and aboard R/V Oceanus from 24 May to...
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Search relevance: 21.05 | Views last month: 0

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