Deep-Towed Chirp Profiles of the Blake Ridge Collapse Structure: USGS OFR 01-123

7. Help Page

Answers to frequently asked questions and general details regarding the use of this CD-ROM

Operating Systems

This CD-ROM is formatted using an ISO9660, long file names, standard.

Browsing HTML pages

The html pages on this CD-ROM can be read with current WWW browsers. Some links included for convenience in these pages point to Internet addresses and require an active internet connection. These links are not needed to access the data but are there to provide extra information pertaining to people and resources involved with the collection, processing, and interpretation of this data.

Reading SEG-Y files.

The SEG-Y files on this CD-ROM were created from the raw Q-mips data collected by the Datasonics SIS7000 "Bob" deep-towed sidescan sonar and chirp sub-bottom profiling unit. The program used to create these files was the UNIX based code qmipstosegy. These files will require specialized software not included on this CD-ROM to view and edit. All are in standard, fixed trace length, IBM floating point, SEG-Y format.

Graphics

All the images contained within this CD-ROM are in either JPEG or GIF format and should be viewable with either a web browser or any other graphics viewing software.

Downloading files

Note that some virus scanning software may not recognize the SEG-Y file format of the data on this CD-ROM and may need to be disabled for a successful download.

Document Homepage -- 1. Introduction -- 2. Cruise Reports -- 3. Track Map -- 4. Data Files and Descriptions -- 5. References -- 6. Metadata files -- 7. Help