Total Alkalinity Measurements in the Chukchi Sea During Summer 2010

IBRV Araon collected 244 total alkalinity (TA) samples during a hydrographic survey in the Chukchi Borderland and western Canada Basin from July 17 to August 12, 2010. The dataset was gathered by AMD_KOPRI to study the carbonic system's response to rapid Arctic sea ice retreat. Measurements aim to clarify the Arctic Ocean's role as a carbon dioxide sink.

Use Cases

• Modeling spatial distribution of total alkalinity across the survey stations to map carbonate chemistry.
• Correlating TA measurements with hydrographic station data to understand water column variability.
• Analyzing the dataset's 244 samples to estimate the Arctic Ocean's capacity for atmospheric CO2 uptake in summer.
• Integrating TA values from Niskin bottle samples into regional carbon budget calculations for the Chukchi Sea.

Strengths

• Dataset contains 244 discrete total alkalinity samples from a focused survey.
• Temporal coverage is precisely defined from July 17 to August 12, 2010.
• Spatial coverage is specific to the Chukchi Borderland and western Canada Basin.

Limitations

• Sample size is limited to 244 data points from a single summer season.
• Lack of column details prevents assessment of associated hydrographic or metadata variables.
• Data is from 2010 and may not reflect current conditions given rapid Arctic change.

Provenance

Source

AMD_KOPRI via IBRV Araon research cruise.

Collection Method

Hydrographic survey with samples taken from Niskin bottles into 500 ml borosilicate glass bottles.

Time Range

2010-07-17 to 2010-08-12

Freshness

Single collection event; no update frequency. Last updated 2010-08-12.

Geography

Chukchi Borderland and western Canada Basin in the Arctic Ocean's Chukchi Sea.