GNSS radio occultation L2B temperature, pressure, and water vapor retrieval for GRACE as contributed by ROMSAF, version 2.0 (gnssro_grace_romsaf_l2b)

This dataset provides Global Navigation Satellite System (GNSS) Radio Occultation (RO) Temperature, Pressure, and Water Vapor data from the GRACE (Gravity Recovery and Climate Experiment) mission as contributed by the Radio Occultation Meteorology Satellite Application Facilities. Each granule represents a single occultation.

GNSS RO is a remote sensing technique that measures the refracted radio signals generated by GNSS satellites and viewed through Earth’s limb. Parameters describing the refraction can be used to infer familiar atmospheric variables such as temperature, pressure and water vapor. The RO technique allows for increased global coverage of temperature and water vapor through the large number of daily observations and as a result plays an important role in the enhancement of Numerical Weather Prediction and other atmospheric-related studies.

Data and Resources

Additional Info

Field Value
Maintainer Earthdata Forum
Last Updated August 25, 2026, 10:02 (UTC)
Created June 3, 2026, 00:34 (UTC)
accessLevel public
bureauCode {026:00}
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
harvest_object_id 7f3504cc-47b9-4976-9a59-d102377e688b
harvest_source_id b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title Science Discovery Engine
identifier 10.5067/H7G5AZ1TCMJX
license https://www.usa.gov/government-works
modified 2026-08-17T22:16:02Z
programCode {026:000}
publisher NASA/GSFC/SED/ESD/TISL/GESDISC
resource-type Dataset
source_datajson_identifier true
source_hash 34f808c6e70ba9fee42a419f5d3048e989db2adcc9c1676c10eb7b4885794f14
source_schema_version 1.1
spatial ["CARTESIAN", [{"WestBoundingCoordinate": -180, "NorthBoundingCoordinate": 90, "EastBoundingCoordinate": 180, "SouthBoundingCoordinate": -90}]]
temporal 2007-03-01/2016-12-31
theme {"Earth Science"}