Seawater Intrusion

DP ME 483, Version 1, 2013, Relative Seawater Intrusion Vulnerability compiled by G.W. Kennedy and J. S. McKinnon, 2013.

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Abstract

A GIS-based approach for broadly evaluating the relative vulnerability of bedrock coastal aquifers to seawater intrusion in unserviced areas of the province was developed. The approach uses available provincial spatial datasets, such as digital elevation models, civic address points and well logs data, to evaluate relative vulnerability based on the following derived criteria: distance to the coast, land slope, development density, non-residential groundwater use and static water level.

Disclaimer

The DATA is provided to the USER on an "as is" basis, without warranties of any kind, express or implied.

The entire risk as to the quality and accuracy of the DATA is with the USER and the USER shall use his/her own judgment in making use of the DATA or drawing conclusions based upon it.

DNR shall not be liable to the USER, his/her clients, servants, agents, contractors, assigns, or to any other person for any loss or damage of any kind including personal injury or death arising from the use of the DATA or accompanying written materials, or from errors, deficiencies or faults therein, whether such damage is caused by negligence or otherwise. If errors or omissions are found in the DATA, the USER will notify DNR.

The terms and conditions of the license accompany the downloaded digital product.

Sample in ArcGIS Destop using the SHP Download

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Sample in ArcGIS Explorer using the SHP Download

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Sample in Google Earth using the KML/KMZ Download

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Format and Projection

Format ESRI shape files (SHP), ArcGIS File Geodatabase (GDB), a Google Earth compatible file format (KML\KMZ), and TXT files compressed in self-extracting EXE/ZIP files(more information on data formats)
Size

SHP - 5.6 MB (compressed), 56.4 MB (uncompressed)
GDB - 6.6 MB (compressed), 6.6 MB (uncompressed)
KML/KMZ - 2.4 MB (compressed), 2.7 MB (uncompressed)

Projection The data is in six-degree Universal Transverse Mercator (UTM) projection, Zone 20, Central Meridian 63° 00' West using the North American Datum of 1983 (NAD83).

Downloading Instructions

The data files have been compressed using PKZIP into a single, self-extracting EXE file.

  1. Read the Licence before accepting the data.
  2. Download the self-extracting EXE file to the desired location on your hard drive.
  3. Double click or "RUN" the EXE file and the data files will be unzipped automatically.

The EXE file can also be opened in WinZip to view and extract the compressed files in the data set.

On UNIX platforms, the unzip command will extract the compressed files in the EXE.

All data sets are in six-degree Universal Transverse Mercator (UTM) projection, Zone 20, Central Meridian 63° 00' West using the North American Datum of 1983 (NAD83).

A readme file and a copy of the licence agreement are also included with each data set.

Download Digital Data Set DP ME 483