SASSIE ECCO: Arctic Ocean Bottom Pressure and Sea Surface Height Anomalies, 2014-2021

Daily-averaged ocean bottom pressure and sea surface height anomalies from a high-resolution Arctic ocean state estimate covering 2014-01-15 to 2021-02-07. The SASSIE ECCO V1R1 dataset was produced by NASA's POCLOUD, downscaling a global 4D ocean circulation model to a 1/12-degree grid for the Arctic region. Model outputs are dynamically consistent reconstructions of the ocean and sea-ice state, consolidated onto a single curvilinear grid face from the native llc1080 grid.

Use Cases

• Analyzing Arctic ocean bottom pressure variability based on daily anomaly data.
• Studying sea surface height changes in relation to sea ice melt and salinity anomalies.
• Validating satellite altimetry or in-situ observations with a dynamically consistent model reconstruction.
• Investigating ocean circulation and stratification changes in the polar region using a high-resolution (1/12-degree) model.
• Examining the temporal evolution of ocean and sea-ice states from 2014 to 2021.

Strengths

• Data is derived from a 4D ocean state estimate that combines observations with a general circulation model.
• Covers a specific time period from 2014-01-15 to 2021-02-07.
• Provides daily-averaged outputs on a high-resolution (1/12-degree) grid downscaled for the Arctic.
• Outputs are dynamically and kinematically-consistent reconstructions of the ocean and sea-ice state.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Last updated 2021-02-08 00:00:00; freshness should be verified.

Provenance

Source

NASA Earthdata (POCLOUD), SASSIE ECCO project.

Collection Method

Generated by downscaling the global ECCO V1R1 ocean and sea-ice state estimate from 1/3 to 1/12 degree grid cells for the Arctic.

Time Range

2014-01-15 to 2021-02-07

Freshness

Last updated 2021-02-08 00:00:00.

Geography

Arctic polar region.