Depositional units interpretive layer.

ArcView Shapefiles: GIS layers overview

Interpretive Layers
Data Layers
Miscellaneous Layers

This CD-ROM contains various GIS layers for the study area.  In general terms these layers fall into one of three forms: vector lines, points or polygons.  The vector data consist of line information (e.g. ship's track line, bathymetry contours), point data (e.g. core information), and polygon layers such as the interpretation of depositional units for the study area.  Available coverages have been archived in ESRI's ArcView shapefile format.

Select a data type from the table below to view detailed information.  The detailed information includes links to the various data components in that group as well as detailed metadata for the indivdual coverages.

Interpretive Layers

These layers are interpretive overlays created by the senior author.
 
 

INTERPRETIVE LAYERS

Layer Name - Description	ArcView Shapefiles
deposits  - shapefile containing interpretation of the depositional units of the Mississippi Fan metadata browse graphic Directory: data/interp	interp.dbf interp.shp interp.shx zip file
channel  - polyline coverage tracing the meandering channel system of the Mississippi Fan metadata browse graphic Directory: data/interp	channel.dbf channel.shp channel.shx zip file
lobe  - shapefile containing interpretation of the extent of the depositional lobe of the Mississippi Fan metadata browse graphic Directory: data/interp	lobe.dbf lobe.shp lobe.shx zip file

Data Layers

These layers represent navigation field data collected during the cruise that have been converted to a GIS data layer.  The navigation data is also available as an ASCII text file (data/nav.txt) in the merge-merge format.

Cores collected during the second leg of the field study are described separately here.

 

DATA LAYERS

Layer Name - Description	ArcView Shapefiles
trackl  - vector line coverage of R/V FARNELLA 90-3 trackline. metadata browse graphic Directory: data/nav	trackl.dbf trackl.shp trackl.shx zip file
trackp  - point coverage with date and time attributes of R/V FARNELLA 90-3 trackline metadata browse graphic detail graphic Directory: data/nav	trackp.dbf trackp.shp trackp.shx zip file

Miscellaneous Layers

The following are various miscellaneous GIS overlays that have been used in the ArcView project views available on this CD-ROM.

U.S. Department of the Interior, U.S. Geological Survey
URL: http://pubs.usgs.gov/of/2000/of00-352/htmldocs/shape.htm
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Last modified: 09:04:30 Mon 04 Mar 2002
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