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Using This Disc

This disc contains NSCAT SIRF image data and browse images. The web interface can be accessed by opening the "index.html" file at the top directory level of the disc.

The top panel of the main page contains three kinds of links:

  1. Links to software and documentation directories and this help file,

  2. Links to the providers of this data.

  3. Links to tables of Arctic or Antarctic data.

The bottom panel contains a link to email for additional information and information about the generation of this product.

The Arctic and Antarctic data tables each contain three types of links:

  1. The table header contains links to the directories actually containing the data;

  2. The main body of the table contains "X"s which are links to browse images of that data file. The "X"s indicate data availability.

  3. The last line of the table contains links to animations of each type of browse image.


Images are copyright 1997 by David G. Long at Brigham Young University. These images should not be published or distributed in any form without the express written permission of David G. Long. Any use of this data should include a citation to the paper below and the following written acknowledgement:

"Images are courtesy of David G. Long at Brigham Young University. They were generated from data obtaind from the PO.DAAC."

Long, D.G., P.J. Hardin, and P.T. Whiting, "Resolution Enhancement of Spaceborne Scatterometer Data," IEEE Trans. Geoscience Remote Sens., Vol. 31, No. 3, pp. 700-715, May 1993

The multivariate SIRF algorithm is a non-linear resolution enhancement algorithm based on modified algebraic reconstruction and maximum entropy techniques. The algorithm is described in the paper.

Please send copes of all papers, reports, or presentations using these images to:

Dr. David G. Long                                            long@ee.byu.edu
Associate Professor                                    voice: (801) 378-4383
Electrical and Computer Engineering Department           fax: (801) 378-6586
459 Clyde Building
Brigham Young University
Provo, Utah    84602

Use of this data is contingent on meeting these requirements.


The software, data, and related materials are provided as-is, without warranty of any kind including warranties of performance or merchantability or fitness for a particular use or purpose (as set forth in UCC 2312-2313) or for any purpose whatsoever, for the enclosed product, however used.

In no event shall CALTECH/JPL be liable for incidental or consequential damages of any kind, including economic damage or injury to property and lost profits, regardless of whether CALTECH/JPL be advised, have reason to know, or infac shall know of the possibility.

User bears all risk relating to quality and performance of the software and data.


Questions or Comments: PO.DAAC