Dissolved inorganic carbon, total alkalinity, nutrients, and other variables collected fro

Discrete profile measurements of dissolved inorganic carbon, total alkalinity, nutrients, and chlorophyll a were collected from NOAA Ship Henry B. Bigelow in the Gulf of Maine, Georges Bank, and Mid-Atlantic Bight from May 20 to June 2, 2015. The data were gathered using Niskin bottles and other instruments as part of the NOAA Ocean Acidification Program's coastal monitoring efforts. This dataset supports research into changes in ocean carbon chemistry due to increasing atmospheric carbon dioxide from human activities.

Use Cases

• Modeling ocean acidification impacts based on dissolved inorganic carbon and total alkalinity measurements
• Analyzing nutrient dynamics in coastal ecosystems based on nutrient concentration data
• Assessing phytoplankton productivity based on chlorophyll a measurements
• Calibrating and validating biogeochemical models for the Northwest Atlantic shelf

Strengths

• Data collected during a dedicated research cruise (HB1502) over a focused two-week period
• Includes multiple key carbon system parameters (DIC, alkalinity) and biological indicators (chlorophyll a)
• Spatial coverage includes three distinct coastal regions: Gulf of Maine, Georges Bank, and Mid-Atlantic Bight

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment for large-scale modeling
• Data may reflect geographic and temporal bias inherent to a single cruise in spring 2015

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Profile and discrete observations using Niskin bottle and other instruments from NOAA Ship Henry B. Bigelow

Time Range

2015-05 20 to 2015-06-02

Freshness

Last updated 2026-03-05 22:44:12.328763; freshness should be verified

Geography

Gulf of Maine, Georges Bank, and Mid-Atlantic Bight