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U.S. Geological Survey Open-File Report 2010–1007

Sea-Floor Geology and Character Offshore of Rocky Point, New York


Geographic Information System Data Catalog

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Geographic Information System

This report contains Geographic Information System (GIS) data in both vector and raster format. The vector data are provided in shapefile format compatible with Environmental System Research Institute's (ESRI) ArcView and ArcGIS software. These data are in the Geographic, WGS84 coordinate system. The raster data are provided in GeoTIFF format and ESRI binary grid format. These raster data are provided in both the Geographic, WGS84 coordinate system and a Universal Transverse Mercator (UTM), Zone 18, NAD83 projection. Data layers archived here should not require additional processing to be used in ESRI software.

For users who don't have the ESRI software or a compatible GIS data browser available on their computer, a free viewer, ArcExplorer, is available from ESRI. The key functionality of ArcExplorer is the displaying of spatial data. The user will need to add the selected data layers by using ArcExplorer's add data button.

Data Description

This report includes links to several data layers (or themes) that can be used to create views of the Rocky Point study area. GeoTIFFs of the bathymetry are provided as color-hillshade relief images; GeoTIFFs of the sidescan imagery are in 8-bit grayscale. ArcRaster binary grids at a 2-meter resolution are included of the multibeam bathymetric data.

Ancillary vector data consist of polygon data layers that provide base maps of the coastline for the Long Island Sound GIS project area and an outline of the survey area and point data layers of the sediment data and locations of bottom photos. The photographic data are provided in mid- and full-resolution JPEG image format.

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 (for example, h11251_2mmb_utm18.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 top level of this report on the DVD-ROM contains an ArcView project file (h11251.apr) created in ArcView 3.3 and an ESRI ArcMap document (h11251.mxd) created in ArcMap 9.2, 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 HTML, FAQ HTML, and text versions. Selecting associated metadata files from the table 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 the Windows program WINZIP v8.0. Users who do not have software capable of uncompressing the archived files may obtain a free version of the software from Pkware, Inc.

BATHYMETRIC IMAGERY

DATA-LAYER NAME AND DESCRIPTION

METADATA

FILES

h11251_2mmb_geo -- full-color, hill-shaded multibeam bathymetric imagery of NOAA survey H11251 (geographic, WGS84) generated from the 2-m grid

HTML
FAQ
text

Zip
(9.6 MB)

h11251_2mmb_utm18 -- full-color, hill-shaded multibeam bathymetric imagery of NOAA survey H11251 (UTM, Zone 18, NAD83) generated from the 2-m grid

HTML
FAQ
text

Zip
(10.2 MB)

BATHYMETRIC GRIDS

DATA-LAYER NAME AND DESCRIPTION

METADATA

FILE

h11251_2m_geo -- 2-m bathymetric grid of the multibeam bathymetry from NOAA survey H11251 (geographic, WGS84)

HTML
FAQ
text

Zip
(16.5 MB)

h11251_2m_utm -- 2-m bathymetric grid of the multibeam bathymetry from NOAA survey H11251 (UTM Zone 18, NAD83)

HTML
FAQ
text

Zip
(8.6 MB)
 

SIDESCAN-SONAR IMAGERY

DATA-LAYER NAME AND DESCRIPTION

METADATA

FILE

h11251_1msss_geo -- 455 kHz sidescan-sonar imagery of NOAA survey H11251 (geographic, WGS84)

HTML
FAQ
text

Zip
(11.2 MB)

h11251_1msss_utm18 -- 455 kHz sidescan-sonar imagery of NOAA survey H11251 (UTM, Zone 18, NAD83)

HTML
FAQ
text

Zip
(8.3 MB)

VERIFICATION DATA LAYERS

DATA-LAYER NAME AND DESCRIPTION

METADATA

FILES

rafa09059_rpseddata -- locations and sediment grain-size analysis data (provided in shapefile, text and Excel (.xls) formats) for samples collected during verification of NOAA survey H11251 (geographic, WGS84)

HTML
FAQ
text

Zip
(75 KB)

rafa09059_rpbotphotos -- locations of bottom photographs (provided in shapefile, text and Excel (.xls) formats) collected during verification of NOAA survey H11251 (geographic, WGS84)

HTML
FAQ
text

Zip
(35 KB)

rafa09059_bphotographs -- bottom photographs in two resolutions collected during verification of NOAA survey H11251 (geographic, WGS84)

HTML
FAQ
text

full-res
Zip
(153 MB)

mid-res
Zip
(6.9 MB)

INTERPRETIVE DATA LAYER

DATA-LAYER NAME AND DESCRIPTION

METADATA

FILE

h11251_interp -- interpretation of the surficial geology from NOAA survey H11251 (geographic, WGS84)

HTML
FAQ
text

Zip
(116 KB)

BASEMAP DATA

DATA-LAYER NAME AND DESCRIPTION

METADATA

FILE

ct_vicinity_geo -- digital vector shoreline shapefile for the Long Island Sound GIS project area (geographic, WGS84)

HTML
FAQ
text

Zip
(4.7 MB)

h11251outline -- boundary of NOAA survey H11251 (geographic, WGS84)

HTML
FAQ
text

Zip
(57 KB)

NAVIGATION DATA LAYER

DATA-LAYER NAME AND DESCRIPTION

METADATA

FILE

hypack -- all text files of the raw HYPACK DGPS navigation for USGS cruise 09059 during November 2009

HTML
FAQ
text

Zip
(2.4 MB)

Individuals interested in accessing the NOAA Descriptive Report, which contains detailed descriptions of the data-acquisition and -processing methods, can view them as h11251_dr.pdf


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