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Open-File Report 2014–1012


Combined Multibeam Bathymetry Data from Rhode Island Sound and Block Island Sound – A Regional Perspective


Geographic Information System Data Catalog

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Geographic Information System

This report contains GIS data in vector and raster format. The vector data are provided in shapefile format compatible with Esri ArcGIS software. These data are in the World Geodetic System of 1984 (WGS 84) geographic coordinate system. The raster data are provided in GeoTIFF format and Esri binary grid format. These raster data are provided in the WGS 84 geographic coordinate system and a Universal Transverse Mercator (UTM) Zone 19 projection on North American Datum of 1983 (NAD 83). The WGS 84 and NAD 83 datums were used for consistency with earlier reports. Data layers provided as supplement to this report should not require additional processing to be used in Esri software.

For users who do not have the Esri software or a compatible GIS data browser available on their computer, a free viewer, ArcGIS Explorer, is available from Esri. The key functionality of ArcGIS Explorer is to display spatial data. The user will need to add the selected data layers by using the add data function of ArcGIS Explorer.

Data Description

This report includes links to several data layers (or themes) that can be used to create views of the study area in Block Island and Rhode Island Sounds. GeoTIFFs of the bathymetry are provided as color hill-shaded relief images. ArcRaster binary grids of the multibeam bathymetric data are included at a 4-m resolution.

Ancillary vector data consist of polygon data layers that provide base maps of the coastline for the Rhode Island GIS project area and an outline of the study area. Each GIS data layer from this publication is cataloged below for easy access. The individual data layers are described below and include the GeoTIFF, grid, or shapefile name (e.g., ricomb_4mmb_utm19.tif), which is linked to a browse graphic showing the data-layer extent and coverage. Selecting the data-layer name will result in the browse graphic being displayed in a separate browser window.
 
The root level of this report on the DVD–ROM contains an Esri ArcMap document (ricomb_utm.mxd) created in ArcMap 9.3, but saved as an ArcMap 9.0/9.1 document to make it accessible to older versions of the software.

Federal Geographic Data Committee (FGDC) metadata for the individual data layers are provided in Hyperlink Text Markup Language (HTML), a frequently asked questions (FAQ) HTML, and text versions. Selecting associated metadata files from links in the catalog below will open the information in a new browser window.

A compressed (.zip), downloadable archive file containing the components of the shapefile, grid, or image for each data layer is also provided. Compressed, downloadable files were created by using WinZip 8.0 for Microsoft Windows.

BATHYMETRIC IMAGERY

DATA-LAYER NAME AND DESCRIPTION

METADATA

FILES

ricomb_4mmb_geo -- full-color, hill-shaded multibeam bathymetric imagery of 14 combined NOAA surveys in Block Island and Rhode Island Sounds (geographic, WGS 84) generated from the 4-m grid

HTML
FAQ
text

Zip
(86 MB)

ricomb_4mmb_utm19 -- full-color, hill-shaded multibeam bathymetric imagery of 14 combined NOAA surveys in Block Island and Rhode Island Sounds (UTM, Zone 19, NAD 83) generated from the 4-m grid

HTML
FAQ
text

Zip
(149 MB)

BATHYMETRIC GRIDS

DATA-LAYER NAME AND DESCRIPTION

METADATA

FILE

ricomb_4mgeo -- 4-m bathymetric grid of the multibeam bathymetry from 14 combined NOAA surveys in Block Island and Rhode Island Sounds (geographic, WGS 84)

HTML
FAQ
text

Zip
(137 MB)

ricomb_4mutm -- 4-m bathymetric grid of the multibeam bathymetry from 14 combined NOAA surveys in Block Island and Rhode Island Sounds (UTM Zone 19, NAD 83)

HTML
FAQ
text

Zip
(159 MB)
 

BASE-MAP DATA

DATA-LAYER NAME AND DESCRIPTION

METADATA

FILE

nos80k -- digital vector shoreline shapefile for the Rhode Island GIS project area (geographic, WGS 84)

HTML
FAQ
text

Zip
(8.5 MB)

ricomboutline -- boundary of 14 combined NOAA multibeam surveys in Block Island and Rhode Island Sounds (geographic, WGS 84)

HTML
FAQ
text

Zip
(118 KB)

 

Also included in the data catalog of this report are the NOAA Descriptive Reports and the Data Acquisition and Processing Reports which contain detailed descriptions of the data-acquisition and data-processing methods used to generate the data for this report. They can be accessed at:

H11922_DR.pdf

H11995_DR.pdf

H11996_DR.pdf

OPR-B307-TJ-08_DAPR.pdf

H12009_DR.pdf

H12010_DR.pdf

H12011_DR.pdf

H12015_DR.pdf

H12023_DR.pdf

H12033_DR.pdf

H12137_DR.pdf

H12139_DR.pdf

OPR-B363-TJ-09_DAPR.pdf

H12296_DR.pdf

H12298_DR.pdf

H12299_DR.pdf

OPR-B363-TJ-11_DAPR.pdf


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