Datasets/SWOT_L2_LR_SSH
d044·dataset

Bumps & dips in the sea surface

SWOT L2 Low-Rate Sea Surface Height Anomaly
PO.DAAC SWOT_L2_LR_SSH cloud-native ~15-50 km mesoscale 21-day repeat NetCDF oceanmesoscale-dynamicssea-level

First wide-swath ocean SSHA — resolves 15-50 km mesoscale eddies and fronts that Jason-class altimetry couldn't see.

SWOT L2 Low-Rate Sea Surface Height Anomaly

First wide-swath ocean SSHA — resolves 15-50 km mesoscale eddies and fronts that Jason-class altimetry couldn’t see.

Access

Gotchas

  • Calibration epoch differs from Jason; cross-mission analyses need correction
  • Wave + wind corrections are active research
  • Other datasets: d043

Sources

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

Quick access (cloud-direct)

swot_l2_lr_ssh_access.py
import earthaccess
earthaccess.login(strategy="netrc")

results = earthaccess.search_data(
    short_name="SWOT_L2_LR_SSH_2.0",
    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.

📚 Problem Finder KB

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