ECCO V4r4: Monthly Ocean Temperature Fluxes on LLC90 Grid, 1992-2018

ECCO Version 4 Release 4 provides monthly-averaged three-dimensional potential temperature fluxes on the native LLC90 model grid. This dynamically consistent ocean and sea-ice state estimate from NASA covers the period from 1992-01-01 to 2018-01-01. The model solution is constrained by observations from satellite altimeters, radiometers, gravimeters, and in-situ instruments like Argo floats.

Use Cases

• Analyzing ocean heat budget and transport based on three-dimensional potential temperature fluxes.
• Validating global climate models against a dynamically consistent, observationally constrained state estimate.
• Studying long-term ocean climate variability from 1992 to 2018 using the monthly-averaged data.
• Investigating sea ice-ocean-atmosphere interactions using the kinematically consistent reconstructions.

Strengths

• Covers a 26-year time range from 1992 to 2018, providing long-term climate context.
• Integrates multiple observational constraints including satellite altimetry, sea surface temperature, salinity, and in-situ profiles.
• Provides data on the native high-resolution Lat-Lon-Cap 90 (LLC90) model grid.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data freshness should be verified; the last metadata update is 2026-03-13.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Free-running solution of the MITgcm, fit to observations in a least-squares sense.

Time Range

1992-01-01T12:00:00 to 2018-01-01T00:00:00

Freshness

Last updated 2026-03-13 02:55:39.470807; freshness should be verified.

Geography

Global