Datasets/ECCO_L4

d046·dataset

The ocean's full state, reconstructed

ECCO Ocean State Reanalysis V4

PO.DAAC ECCO_L4 cloud-native ~13 km (LLC270 grid) daily/monthly NetCDF oceancirculationclimate

Globally consistent ocean state reanalysis — combines all satellite + in-situ ocean observations into one self-consistent model state.

ECCO Ocean State Reanalysis V4

Globally consistent ocean state reanalysis — combines all satellite

in-situ ocean observations into one self-consistent model state.

Access

Python (earthaccess): search 'ECCO_' keyword
Portal: https://podaac.jpl.nasa.gov/ECCO

Gotchas

ECCO V4r4 is current; V4r5 in production
Reanalysis = model+observation; not direct measurement at every grid cell
Use for analyses requiring closed budgets (heat, freshwater, mass)

Other datasets: d044

Sources

https://www.ecco-group.org/

The access details, code, and sources below are kept in the original English for technical accuracy.

Quick access (cloud-direct)

ecco_l4_access.py

import earthaccess
earthaccess.login(strategy="netrc")

results = earthaccess.search_data(
    short_name="ECCO_*",
    bounding_box=(-122.5, 37.2, -121.8, 37.9),
    temporal=("2024-01-01", "2024-12-31"),
)
files = earthaccess.open(results)   # stream from PO.DAAC

Browsing CMR needs no login. Downloading or streaming bytes needs a free Earthdata Login + the earthaccess package.

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