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ERS-2 Gridded Level 3 Enhanced Resolution Sigma-0 from BYU

Metadata Updated: December 7, 2023

This European Remote Sensing (ERS) Sigma-0 dataset is generated by the Scatterometer Climate Record Pathfinder (SCP) project at Brigham Young University (BYU) and is generated using a Scatterometer Image Reconstruction (SIR) technique developed by Dr. David Long at BYU. The dataset provides SIR processed Sigma-0 data from the ERS-2 C-band scatterometer, which is also known as the Active Microwave Instrument (AMI). AMI is a multimode radar operating at a frequency of 5.3 GHz (C-band), using vertically polarized antennas for both transmission and reception. The SIR technique results in an enhanced resolution image reconstruction and gridded on an equal-area grid (for non-polar regions) at 8.9 km pixel resolution stored in SIR files; polar regions are gridded at the same resolution using a polar-stereographic technique. A non-enhanced version is provided at 44.5 km pixel resolution in a format known as GRD (i.e., gridded) files. All files are produced in IEEE formatted binary. All data files are separated and organized by region, parameter, and sampling technique (i.e., SIR vs. GRD). The regions of China and Japan are combined into a single region. In addition to Sigma-0, various statistical parameters are provided for added guidance, including but not limited to: standard deviation, measurement counts, pixel time, Sigma-0 error, and average incidence angle. This dataset was once distributed on tape, but has been made available on FTP thanks to the BYU SCP. For more information, please visit:

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Downloads & Resources


Metadata Created Date April 27, 2023
Metadata Updated Date December 7, 2023

Metadata Source

Harvested from NASA Data.json

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Additional Metadata

Resource Type Dataset
Metadata Created Date April 27, 2023
Metadata Updated Date December 7, 2023
Identifier C2617226211-POCLOUD
Data First Published 2011-11-21
Language en-US
Data Last Modified 2011-11-21
Category SCP, geospatial
Public Access Level public
Bureau Code 026:00
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Citation BYU/SCP. 2011-11-29. ERS-2 Gridded Level 3 Enhanced Resolution Sigma-0 from BYU. Version 1. ERS-2 Gridded Level 3 Enhanced Resolution Sigma-0 from BYU. PO.DAAC. Archived by National Aeronautics and Space Administration, U.S. Government, PO.DAAC. BYU/SCP, PO.DAAC, 2011-11-29, ERS-2 Gridded Level 3 Enhanced Resolution Sigma-0 from BYU,
Creator BYU/SCP
Graphic Preview Description Thumbnail
Graphic Preview File
Harvest Object Id 265b3140-e5e9-41b5-b948-fd280fa5d268
Harvest Source Id 58f92550-7a01-4f00-b1b2-8dc953bd598f
Harvest Source Title NASA Data.json
Homepage URL
Metadata Type geospatial
Old Spatial -180.0 -79.7 180.0 88.2
Program Code 026:001
Release Place PO.DAAC
Series Name ERS-2 Gridded Level 3 Enhanced Resolution Sigma-0 from BYU
Source Datajson Identifier True
Source Hash 7bd57226af31b9d91a1360b026d3405790161aa1d982f361b5d87c8bd9d7352b
Source Schema Version 1.1
Temporal 1996-06-03T00:00:00Z/2001-12-30T23:59:59Z

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