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U.S. Geological Survey Open-File Report 2006-1169

Submarine Hydrogeological Data from Cape Cod National Seashore

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GIS/Data Catalog

This report contains an Environmental Systems Research Institute (ESRI) ArcView 3.3 Geographic Information Systems (GIS) project file in the top-level directory. This project file, ccres.apr, does not require any extensions that are not standard to ArcView 3.3. For those users who do not have ArcView 3.2 or later, the individual GIS data files can still be viewed with a compatible GIS viewer or a free GIS viewer such as ArcExplorer available from ESRI (http://www.esri.com). Please note that there are several versions of ArcExplorer software that can be installed on Windows, UNIX or Macintosh OS 10.x operating systems.

This project file requires the directory structure used on this DVD-ROM and contains a startup script that prompts the user for the drive letter of the DVD-ROM drive. This information is needed in order to establish hotlinks found with the project file. If the ArcView project file and the underlying directories are copied to the computer's hard disk (maintaining the original directory hierarchy), then the location entered for the startup script should refer to the directory location of the ArcView project file. If for some reason the directory location is entered incorrectly, then the user can click on the pink button with the yellow DVD (DVD icon) to re-enter the information.

Each drill location from 2006 is hotlinked to a composite JPEG image of the acquired core. To view these images, make the drillloc_2006 theme the active theme. This should activate the hotlink tool (hotlink icon) within the project tool bar. Click on this button and then on an individual point within the theme. The corresponding JPEG image will be opened in a separate view window so the user can pan and zoom on the image. In order for this hotlink to work, the JPEG (JFIF) Image Support extension must be loaded. This extension will be loaded by default within the project file.

Federal Geographic Data Committee (FGDC) compliant metadata are available for all the data contained in this report. Each data set has metadata available in several formats. The information contained within each file is the same, but is presented differently to help make the information more user-friendly. The text, HTML, and FAQ versions of the metadata have links to those files provided below. In addition, ArcGIS 9.1 compatible XML metadata are available for use with ArcCatalog. All metadata are stored in the directories delineating the data type. For example, the metadata for individual days of collection for the 2004 raw data reside in the data/res_data/2004/raw_res folder.

Shapefiles generally include *.shp, *.shx, and *.dbf files, at a minimum. For the sake of brevity, only the filename prefix has been included in the filename designation listed below. All the files necessary to load a shapefile have been compressed into a single WinZip file, including all forms of the metadata. Therefore, these shapefiles can be downloaded directly from the DVD or by clicking on the filename in the data catalog and saving the zipped files to a preferred location and uncompressing them.

In addition to shapefiles, this report includes a registered TIFF image depicting elevation, comma-delimited text files intended to provide additional information for the corresponding shapefiles (coreloc_2006.shp, geoprobeloc_2005.shp, and piezlocs_2005.shp), Excel spreadsheets, and PDF documents. These files and accompanying metadata are included in WinZip files and can be downloaded directly from the DVD or by clicking on the filename in the data catalog and saving the zipped files to a preferred location and uncompressing them.

The Continuous Resistivity Profiling (CRP) data are organized by the date of collection. Each line of data comprises more than one file necessary for processing or as an output from the processing. These data are available in a WinZip format with the file comprising a day of collection for each of the states of processing (e.g., raw, processed, RES2DINV format). These files can be downloaded directly from the DVD or by clicking on the filename in the data catalog and saving the zipped files to a preferred location and uncompressing them.

Clicking the camera icon will give a preview of the dataset. The state outline is used in several of these images as a backdrop to orient the viewer. No graphic is presented for the core images, comma-delimited text files, Excel spreadsheets, PDF files, or CRP data. The core images can be viewed from the sediment core-images-gallery page, the CRP data can be viewed from the CRP-profile preview pages, and versions of the comma-delimited text files, Excel files, and PDF files are available as tables within the report.

For guidance on where to obtain software capable of reading shapefiles and uncompressing zipped files, see the system requirements page.

Basemap (data/gis/basemap)

Filename Description
Metadata
outline25k_polygeog.*
Link to preview image of the Massachusetts outline shapefile.
Polygon shapefile of the outline of the Commonwealth of Massachusetts.
ccnss_geog.*
Link to preview image of the outline of the Cape Cod National Seashore shapefile.
Polygon shapefile outlining the location of Cape Cod National Seashore.
cape_elev.zip
Link to preview image of the color shaded-relief TIFF.
Color shaded-relief TIFF image of a portion of Cape Cod and the surrounding seafloor.
orthimgs.zip
Link to preview image of an orthophoto.
One-meter resolution color orthophoto in TIFF format of the Salt Pond/Nauset Marsh area on Cape Cod. Image is in UTM, Zone 19, NAD83 projection.

 

Cores (data/gis/cores)

Filename Description
Metadata
coreloc_2006.*
Link to preview image of the core location shapefile.
Point shapefile showing the locations of the sediment cores collected in 2006.

corelog_csv.zip

Comma-delimited text file with core descriptions of sediment cores collected in 2006. Appropriate for use as a relate table in ArcGIS. Information is presented in Table 7.

core_porewater.zip

Comma-delimited text file with core pore-water salinity measurements from sediment cores collected in 2006. Appropriate for use as a relate table in ArcGIS. Information is presented in Table 8.

coreimages.zip

WinZip file containing composite JPEG images of sediment cores collected in 2006 at three different resolutions. Information is presented in the Core Images Gallery.

 

Electrical Conductance (data/gis/geoprobe)

Filename Description
Metadata
geoprobeloc_2005.*
Link to preview image of the geoprobe location shapefile.
Point shapefile showing the 2005 electrical conductance probe locations.

geoprobe_results.zip

Comma-delimited text file containing the probe measurement results. Appropriate for use as a relate table in ArcGIS. Represents effectively the same information as Table 5.

 

Ground-water Sampling (data/gis/piezometer)

Filename Description
Metadata
piezlocs_2005.*
Link to preview image of the piezometer location shapefile.
Point shapefile showing the 2005 ground-water-sampling locations.

piez_gwdata.zip

Comma-delimited text file containing the ground-water analytical results. Appropriate for use as a relate table in ArcGIS. Information is presented in Table 6.

 

Tables - Excel Spreadsheets and PDF tables (data/tables)

Filename
Description
Metadata
Excel spreadsheet containing the summary results presented in Table 5, as well as the individual logs from the geoprobe profile locations on a separate worksheet page.
WinZip file containing the PDFs of the individual geoprobe results. The same information is included in the Excel spreadsheet table5_geoprobe.xls.
Excel spreadsheet containing the analytical results presented in Table 6 for the piezometer ground-water samples.
Excel spreadsheet containing the core-sediment descriptions presented in Table 7.
Excel spreadsheet containing the core pore-water salinity measurements presented in Table 8.

 

Resistivity - GIS data (data/gis/resistivity)

Filename Description Metadata
navproc_ln2004.*
Link to the preview image of the shapefile of the 2004 CRP tracklines.
Polyline shapefile showing tracklines of processed CRP profiles from 2004 contained in this report.
nav_500m_2004.*
Link to the preview image of the shapefile of navigation points every 500 meters along the 2004 CRP tracklines.
Point shapefile with a point every 500 meters along the navproc_ln2004 tracklines.
mrg2004_allxyz.*
Link to the preview image of the processed resistivity point shapefile from 2004.
Point shapefile of the processed resistivity data from 2004.
mrg2004_trimxyz.*
Link to the preview image of the processed resistivity point shapefile from 2004, excluding data in the water column.
Point shapefile of the processed resistivity data from 2004 with data points in the water column removed.
navproc_ln2006.*
Link to the preview image of the shapefile of the 2006 CRP tracklines.
Polyline shapefile showing tracklines of processed CRP profiles from 2006 contained in this report.
nav_100m_2006.*
Link to the preview image of the shapefile of navigation points every 100 meters along the 2006 CRP tracklines.
Point shapefile with a point every 100 meters along the navproc_ln2006 tracklines.
mrg2006_allxyz.*
Link to the preview image of the processed resistivity point shapefile from 2006.
Point shapefile of the processed resistivity data from 2006.
mrg2006_trimxyz.*
Link to the preview image of the processed resistivity point shapefile from 2006, excluding data in the water column.
Point shapefile of the processed resistivity data from 2006 with data points in the water column removed.

 

2004 CRP data (data/res_data/2004)

Raw CRP data (data/res_data/2004/raw_resis): WinZip file includes the STG, GPS, fathometer TEXT files, and the merged navigation files.

Processed CRP data (data/res_data/2004/proc_resis): WinZip file includes the linearized STG file and accompanying DEP file, EarthImager-processed files that use the default water resistivity, and the Matlab-generated profile images.

RES2DINV format CRP data (data/res_data/2004/res2dinv_format): WinZip file includes the RES2DINV format file based on the linearized STG file and the DEP file.

See the metadata or the Continuous Resistivity Profiling page for more details on the individual file types.

Filename Description
Metadata
may17_raw.*
WinZip file containing the raw CRP data from May 17, 2004.
may19_raw.* WinZip file containing the raw CRP data from May 19, 2004.
may20_raw.* WinZip file containing the raw CRP data from May 20, 2004.
may17_proc.* WinZip file containing the processed CRP data from May 17, 2004.
may19_proc.* WinZip file containing the processed CRP data from May 19, 2004.
may20_proc.* WinZip file containing the processed CRP data from May 20, 2004.
may17_res2dinv.* WinZip file containing the RES2DINV formatted CRP data from May 17, 2004.
may19_res2dinv.* WinZip file containing the RES2DINV formatted CRP data from May 19, 2004.
may20_res2dinv.* WinZip file containing the RES2DINV formatted CRP data from May 20, 2004.

 

2006 CRP data (data/res_data/2006)

Raw CRP data (data/res_data/2006/raw_resis): includes the STG and GPS files.

Processed CRP data (data/res_data/2006/proc_resis): WinZip file includes the linearized STG file and accompanying DEP file, EarthImager processed files that use the measured water resistivity value, and the Matlab-generated profile images.

RES2DINV format CRP data (data/res_data/2006/res2dinv_format): WinZip file includes the RES2DINV format file based on the linearized STG file and the DEP file.

See the metadata or the Data Processing page for more details on the individual file types.

Filename Description
Metadata
feb28_raw.* WinZip file containing the raw CRP data from Feb. 28, 2006.
feb28_proc.* WinZip file containing the processed CRP data from Feb. 28, 2006.
feb28_res2dinv.* WinZip file containing the RES2DINV formatted CRP data from Feb. 28, 2006.
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