Data Set ID:

SMEX02 European Remote Sensing Satellite (ERS-2) AMI Data, Iowa, Version 1

This data set consists of browse images acquired by the C-band Active Microwave Instrument (AMI) onboard the European Remote Sensing Satellite 2 (ERS-2) and provides only a general quality assessment of the ERS-2 AMI data.

This is the most recent version of these data.

Data Format(s):
  • JPEG
Spatial Coverage:
N: 42.389, 
S: 41.308, 
E: -93.017, 
W: -93.913
Spatial Resolution:Not SpecifiedSensor(s):AMI
Temporal Coverage:
  • 31 May 2002 to 13 September 2002
Temporal ResolutionNot specifiedMetadata XML:View Metadata Record
Data Contributor(s):Thomas Jackson, Rogier Van der Velde

Geographic Coverage

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As a condition of using these data, you must cite the use of this data set using the following citation. For more information, see our Use and Copyright Web page.

Jackson, T. and R. Van der Velde. 2004. SMEX02 European Remote Sensing Satellite (ERS-2) AMI Data, Iowa, Version 1. [Indicate subset used]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. doi: [Date Accessed].

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Detailed Data Description


Data are JPEG format image files.

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File Naming Convention

The image files use the convention: ERSdaacmmddyy.jpg. For example, the file acquired on 7 July 2002 is "ERSdaac070502.jpg."

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File Size

File sizes range from 4.07 MB to 4.67 MB.

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Total volume of combined files is 13.3 MB.

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Spatial Coverage

Southernmost Latitude: 41.308° N
Northernmost Latitude: 42.389° N
Westernmost Longitude: -93.913° W
Easternmost Longitude: -93.017° W

The spatial coverage of each scene is shown in Table 1.

Table 1. Coverage of the ERS-2 AMI scenes
date latitude longitude latitude longitude
31 May 42.216°N 93.963°W 41.179°N 93.063°W
5 July 42.389°N 93.913°W 41.308°N 93.017°W
13 Sept 42.372°N 93.935°W 41.294°N 93.041°W

Spatial Resolution

Pixel spacing is 12.5 m.

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Temporal Coverage

Data were gathered on 31 May, 5 July, and 13 September 2002.

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Parameter or Variable

C-band radar backscatter browse images.

Sample Data Record

The following is a small sample of the image file "ERSdaac070502.jpg."

sample PRI image

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Software and Tools

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Data Acquisition and Processing

Sensor or Instrument Description

The C-band Active Microwave Instrument (AMI) onboard the ERS-2 space platform provides backscatter measurements around incidence angles of 23° and at VV polarization.

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References and Related Publications

Contacts and Acknowledgments

Thomas Jackson, Rogier Van der Velde
U.S. Department of Agriculture (USDA) Agriculture Research Service (ARS) National Soil Tilth Laboratory

Document Information


June 2004

No technical references available for this data set.

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