EO Atlas
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Datasets/OPERA_L2_RTC-S1
d027·dataset

Cloud-proof radar, ready to use

OPERA Radiometric Terrain-Corrected Sentinel-1 Backscatter
ASF DAAC OPERA_L2_RTC-S1 cloud-native 30 m 12-day (single) / 6-day (constellation) COG landwateragriculture

Analysis-ready Sentinel-1 backscatter — no SAR experience needed. The recommended starting point for users new to SAR.

OPERA Radiometric Terrain-Corrected Sentinel-1 Backscatter

Analysis-ready Sentinel-1 backscatter — no SAR experience needed. The recommended starting point for users new to SAR.

Access

Gotchas

  • COG output; significantly easier than raw GRD
  • Resolution is 30m, not 10m — the resampling cost for analysis-ready
  • VV+VH polarization standard
  • Other datasets: d026

Sources

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

Quick access (cloud-direct)

opera_l2_rtc-s1_access.py
import earthaccess
earthaccess.login(strategy="netrc")

results = earthaccess.search_data(
    short_name="OPERA_L2_RTC-S1_V1",
    bounding_box=(-122.5, 37.2, -121.8, 37.9),
    temporal=("2024-01-01", "2024-12-31"),
)
files = earthaccess.open(results)   # stream from ASF DAAC
Browsing CMR needs no login. Downloading or streaming bytes needs a free Earthdata Login + the earthaccess package.

📚 Problem Finder KB

3 matching entries in the Knowledge Base:

§14 Glossary
**DeCUR** (S1 / S2)
Multi-modal SSL method
**SSL4EO** (S1 / S2)
EO pretraining dataset/method
OPERA
Observational Products for End-Users from Remote-sensing Analysis (NASA JPL) — incl. the **DISP-S1** surface-displacement (InSAR) product suite