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Hydrogeological Units, Groundwater Geoscience Program

A hydrogeological unit is defined as any soil or rock unit or zone that by virtue of its hydraulic properties has a distinct influence on the storage or movement of groundwater. It is considered the main dataset from the GGP point of view. Hydrogeological units are ranked into five levels (from largest to smallest): 1) hydrogeological region, 2) hydrogeological context, 3) aquifer system, 4) hydrostratigraphic unit, and 5) aquifer. Here are formal definitions for these different types of hydrogeologic units. - Hydrogeological region Hydrogeological regions are areas in which the properties of sub-surface water, or groundwater, are broadly similar in geology, climate and topography. There are 9 such regions identified in Canada (ref?). - Hydrogeological context Hydrogeological contexts are units of reporting, conceptually narrower than regions, and are additionally delineated by physiographic and hydrogeological aspects. - Aquifer system ""A heterogeneous body of intercalated permeable and poorly permeable material that functions regionally as a water-yielding hydraulic unit; it comprises two or more permeable beds [aquifers] separated at least locally by aquitards [confining units] that impede groundwater movement but do not greatly affect the regional hydraulic continuity of the system"" (Poland et al., 1972). - Hydrostratigraphic unit (HSU) ""Body of sediment and/or rock characterized by ground water flow that can be demonstrated to be distinct under both unstressed (natural) and stressed (pumping) conditions, and is distinguishable from flow in other HSUs"" (Noyes et al.) - Aquifer ""A formation, group of formations, or part of a formation that contains sufficient saturated permeable material to yield significant quantities of water to wells and springs"" (Lohman et al, 1972, p. 21). The rank attribute is used to specify the scope of the described unit. The general principle behind this specification is to allow the same data structure to apply to various types of hydrogeological units, from the local aquifer to the almost continental hydrogeological region. The dataset includes properties such as identification, physiography, geology, aquifer description and properties, water balance, groundwater use and risk. It features numerical values or a general description when no values are available. The description can also be used to add context to the numerical values. For each property, metadata identifying the source of the original data, links to similar data in GIN, and description of the processes, algorithms or methodology used to obtain these datasets will be available to complement the data. This dataset is designed to capture and represent a set of synthesized information pertaining to hydrogeological units through maps and succinct table reports. Some attributes (or properties) of the dataset are irrelevant depending of the rank of the unit. In general, this dataset is organised to include multiple properties associated with aquifers and larger hydrogeologic units. These properties are grouped into categories, which include identification, physiography, geology, aquifer description, water balance, groundwater use and risk. The numerical values associated with each of the properties can be used to create thematic maps; hence, the importance of using standardized units of measurement and definitions for these properties. When numerical values are not available, a general description may be supplied instead. The description can also be used to add context to the numerical values. Because this dataset is the cornerstone of the national view on groundwater, supplemental contextual information (metadata) must be part of the data. Thus, for each property, metadata identifying the source of the original data, links to similar data in GIN, and a description of the processes, algorithms or methodology used to obtain these datasets will be available to complement the data.

Simple

Date ( RI_367 )
2014-07-24
Date ( RI_366 )
2014-07-24
RI_415
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Alfonso Rivera
490, rue de la Couronne, 3e étage , Québec , Québec , G1K 9A9 , Canada
RI_413
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Eric Boisvert
490, rue de la Couronne, 3e étage , Québec , Québec , G1K 9A9 , Canada
voice; 1 (418) 6543705
RI_409
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francois Letourneau
490, rue de la Couronne, 3e étage , Québec , Québec , G1K 9A9 , Canada
voice; 1 (418) 6543826
RI_414
  Government of Canada; Natural Resources Canada; Geological Survey of Canada
Presentation form
mapDigital;carteNumérique RI_391
Other citation details
Groundwater Information Network (2020), https://gw-info.net. Accessed 17 April 2020.
Purpose
This dataset was created to provide a regional frame of the spatial distribution of the hydrostratigraphic units.
Status
completed; complété RI_593
RI_414
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Central Canada - Boyan Brodaric
601 Booth Street , Ottawa , Ontario , K1A 0E8 , Canada
voice; 1 (613) 9923562
Maintenance and update frequency
asNeeded; auBesoin RI_540
GSC Keywords Vocabulary - Thesaurus Thésaurus - vocabulaire de mots-clé de la CGC ( RI_528 )
  • Hydrogeology
  • Aquifer
  • Hydrogeologic System
NRCan - GSC - Groundwater - Keywords list Liste de mots-clés - RNCan - CGC - Eau souterraine ( RI_528 )
  • Hydrogeological units
Government of Canada Core Subject Thesaurus Thésaurus des sujets de base du gouvernement du Canada ( RI_528 )
  • Groundwater
  • Hydrogeology
Use limitation
The downloaded data must be identified in any re-use of the materials, and the materials must not be misused or misrepresented in any way. This site (including associated applications and services available via gw-info.net and es-info.net) and all data accessible from the site are provided on an "as is" basis. The web site developers, data providers, and their employers ("GIN") make no claim or warranty about the accuracy, usefulness, novelty, validity, scope, completeness, purpose, or currency of the site or data, and assume no liability for any consequences entailing from access to the site or data. GIN shall not be held responsible for any direct or indirect damages arising from user access to the site or data, which are the sole responsibility of the user. The materials on this web site, including data and other information provided by this site but exclusive of materials obtained through links to other sites, are made available under Crown copyright, such that ownership is retained by the original source.
Use limitation
Open Government Licence - Canada (http://open.canada.ca/en/open-government-licence-canada)
Access constraints
license; licence RI_606
Use constraints
otherRestrictions; autresRestrictions RI_609
Spatial representation type
vector; vecteur RI_635
Metadata language
eng; CAN
Metadata language
fra; CAN
Character set
utf8; utf8 RI_458
Topic category
  • Geoscientific information
Environment description
postgresql
Description
This series covers all of Canada, but the area covered is only partial, it corresponds to the mapped areas of the aquifers mapping projects.
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Begin date
1998-12-31
End date
2016-03-30
Supplemental Information
Associated datasets correspond to key canadian aquifers mapping projects
Reference system identifier
http://www.epsg-registry.org/ / EPSG:4326 / 6.14

Spatial representation info

No information provided.
Distribution format
  • SQL ( not applicable )

RI_412
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Eric Boisvert
490, rue de la Couronne, 3e étage , Québec , Québec , G1K 9A9 , Canada
voice; 1 (418) 6543705
RI_408
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - Geological Survey of Canada
601 Booth Street , Ottawa , Ontario , K1A 0E8 , Canada
voice; 1 (613) 9950947
http://gsc.nrcan.gc.ca/index_e.php
RI_414
  Government of Canada; Natural Resources Canada; Geological Survey of Canada
OnLine resource
Hydrogeological Units, Groundwater Geoscience Program - French ( OGC:WMS )

Web Service;WMS;fra

OnLine resource
Hydrogeological Units, Groundwater Geoscience Program - English ( OGC:WMS )

Web Service;WMS;eng

OnLine resource
Hydrogeological Units, Groundwater Geoscience Program - French ( HTTPS )

Application;HTML;fra

OnLine resource
Hydrogeological Units, Groundwater Geoscience Program - English ( HTTPS )

Application;HTML;eng

OnLine resource
Data Product Specifications, Hydrogeological Units, Groundwater Geoscience Program - English ( HTTPS )

Supporting Document;PDF;eng

OnLine resource
Data Product Specifications, Hydrogeological Units, Groundwater Geoscience Program - French ( HTTPS )

Supporting Document;PDF;fra

Hierarchy level
series; série RI_623
Description
Title: General processes -- Description: The datasets were extracted from all projects constituting this series.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
Groundwater mapping projects.
Description
Title: General process description - Chateauguay hydrogeological unit -- Description: This dataset was created from the polygon corresponding to the Châteauguay River Watershed.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
This dataset was created from the polygon corresponding to the Châteauguay River Watershed.
Description

Title: Hydrostratigraphic units and hydrogeologic contexts shapefile creation, Nanaimo -- Description: The hydrogeologic contexts were presented by an image (Fi.8 of the cited article). First, the image was georeferenced with a shapefile of the study area delimitation. The image was georeferenced using the « Georeferencing » toolbar in ArcGis. To bring the image roughly in the right location, a ""fit to display"" was applied. Three control points were then created to perfectlty overstrike the image and the study area shapefile. To do so, the « add control points » tool was used. The study area shapefile was duplicated by exporting data. The hydrogeologic contexts were then defined using the ""cut polygons"" tool on the study area duplicate shapefile. Each hydrogeologic context was identified in the attribute table.

After the files process to obtain hydrostratigraphic units shapefiles, all the shapefiles obtained: hydrostratigraphic units (7); bedrock (1) and hydrogeologic contexts (4) were combine into one, using the merge tool. The identification of each polygon was done in the attribute table.

Date / Time
2016-02-04T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
Benoit, N., Paradis, D., Bednarski, J.M., Hamblin, T., and Russell, H.A.J., 2015. Three dimensional hydrostratigraphic model of the Nanoose-Deep Bay area, Nanaimo Lowland, British Columbia; Geological Survey of Canada, Open File 7796, 1 .zip file. doi:10.4095/296302
Description
Title: General process description - Paskapoo -- Description: The dataset comes from the limites_paskapoo.shp file of the Paskapoo project archives folder.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes from the limites_paskapoo.shp file of the Paskapoo project archives folder.
Description
Title: General process description - Chaudiere -- Description: The dataset comes form the granulaire raster of the GIS3.zip file. A single value was attributed to all pixels representing a granular aquifer. The dataset was then converted to a polygon using Simplify polygon in ArcGIS. The ArcGIS Smooth polygon tool was then used to smooth the polygons (tolerance = 125m) to ameliorate the polygons graphical representations.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes form the granulaire raster of the GIS3.zip file. A single value was attributed to all pixels representing a granular aquifer. The dataset was then converted to a polygon using Simplify polygon in ArcGIS. The ArcGIS Smooth polygon tool was then used to smooth the polygons (tolerance = 125m) to ameliorate the polygons graphical representations.
Description
Title: General process description - Credit River -- Description: The dataset comes from the limites_credit_river.shp file of the Credit River project archives folder.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes from the limites_credit_river.shp file of the Credit River project archives folder.
Description
Title: General process description - Winnipeg Formation -- Description: The dataset comes from the bcu_exp file of the Winnipeg formation project archives folder. The hydrogeological contexts were establish using the underground water salinity (SALINITY).
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes from the bcu_exp file of the Winnipeg formation project archives folder. The hydrogeological contexts were establish using the underground water salinity (SALINITY).
Description
Title: General process description - Gulf Island -- Description: The dataset comes from the gulf_islands_limit.shp file of the Gulf Island project archives folder. The hydrogeological contexts were establish using the Aquifers PRODUCTIVITY attribute as show on the British Columbia Aquifer Map. The data from the BC Aquifer map was superimposed to the data of the Geological Survey of Canada Gulf Islands Aquifer map.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes from the gulf_islands_limit.shp file of the Gulf Island project archives folder. The hydrogeological contexts were establish using the Aquifers PRODUCTIVITY attribute as show on the British Columbia Aquifer Map. The data from the BC Aquifer map was superimposed to the data of the Geological Survey of Canada Gulf Islands Aquifer map.
Description
Title: General process description - Oak Ridges Moraine -- Description: The dataset comes from the matriciels (ascii) file that was converted to a polygon type file using the ArcGIS Raster to polygon tool. The polygons were simplified using the Aggregate Polygons ArcGIS tool. The aggregation distance to combined the polygons was set to 300 m. Afterwards the Simplify Polygon ArcGIS tool was used to delete all polygons with an area less than 100 000 m² for some units and less than 500 000 m² for the other ones.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes from the matriciels (ascii) file that was converted to a polygon type file using the ArcGIS Raster to polygon tool. The polygons were simplified using the Aggregate Polygons ArcGIS tool. The aggregation distance to combined the polygons was set to 300 m. Afterwards the Simplify Polygon ArcGIS tool was used to delete all polygons with an area less than 100 000 m² for some units and less than 500 000 m² for the other ones.
Description
Title: General process description - Chaudiere -- Description: The dataset comes form the granulaire raster of the GIS3.zip file. A single value was attributed to all pixels representing a granular aquifer. The dataset was then converted to a polygon using Simplify polygon in ArcGIS. The ArcGIS Smooth polygon tool was then used to smooth the polygons (tolerance = 125m) to ameliorate the polygons graphical representations.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes form the granulaire raster of the GIS3.zip file. A single value was attributed to all pixels representing a granular aquifer. The dataset was then converted to a polygon using Simplify polygon in ArcGIS. The ArcGIS Smooth polygon tool was then used to smooth the polygons (tolerance = 125m) to ameliorate the polygons graphical representations.
Description
Title: General process description - Okanagan Valley -- Description: The dataset comes from the units extend limits file of the Okanagan project archives folder.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes from the units extend limits file of the Okanagan project archives folder.
Description
Title: General process description - Buried Valleys Aquifers -- Description: The dataset comes from the units extend limits file of the project archives folder.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes from the units extend limits file of the Okanagan project archives folder.
Description
Title: General process description - Mauricie -- Description: The dataset comes from the L17_Complet raster of the MAUR_UQTR.gdb geodatabase. The raster was converted to a vector (polygons) dataset using ArcGIS.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes from the L17_Complet raster of the MAUR_UQTR.gdb geodatabase. The raster was converted to a vector (polygons) dataset using ArcGIS.
Description
Title: General process description - Sandilands -- Description: The dataset comes from the units extend limits file of the project archives folder.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes from the units extend limits file of the project archives folder.
Description
Title: General process description - Waterloo Moraine -- Description: The dataset comes from the units extend limits file of the project archives folder.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes from the units extend limits file of the project archives folder.
Description
Title: General process description - Montérégie -- Description: The dataset comes from the units extend limits file of the project archives folder.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes from the units extend limits file of the project archives folder.
Description
Title: General process description - Prince Edward Island Project -- Description: The dataset comes from the units extend limits file of the project archives folder.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes from the units extend limits file of the project archives folder.
Description
Title: General process description - Buried Valleys Aquifers -- Description: The dataset comes from the units extend limits file of the project archives folder.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes from the units extend limits file of the Okanagan project archives folder.
Description
Title: General process description - Lake Saint-Martin, Manitoba -- Description: The dataset comes from the units extend limits file of the project archives folder.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes from the units extend limits file of the project archives folder.
Description
Title: General process description - AFSOQ -- Description: This dataset was collected from Figure 41 of the "Canadian Inventory of groundwater resources: integrated regional hydrogeological fractured aquifer system in southwestern Quebec" newsletter of the Geological Survey of Canada. The image was imported and georeferenced in ArcGIS. The vector dataset was built with reference to the figure and by creating polygons. The information for the design of the data table also comes from the newsletter.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
This dataset was collected from Figure 41 of the "Canadian Inventory of groundwater resources: integrated regional hydrogeological fractured aquifer system in southwestern Quebec" newsletter of the Geological Survey of Canada. The image was imported and georeferenced in ArcGIS. The vector dataset was built with reference to the figure and by creating polygons. The information for the design of the data table also comes from the newsletter.
Description
Title: General process description - Nanaimo -- Description: The polygons were simplified with ArcGIS using the Simplify Polygon tool and the Point Remove algorithm. The parameters were set to 10 m for the Allowable Distance and 100 000 m² for the Minimum Area.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The polygons were simplified with ArcGIS using the Simplify Polygon tool and the Point Remove algorithm. The parameters were set to 10 m for the Allowable Distance and 100 000 m² for the Minimum Area.
Description
Title: General process description - Annapolis -- Description: This dataset was created by using the map 5.1 (Distribution of potential aquifer) of the Hydrogeological Atlas of the Annapolis Valley of the Geological Survey of Canada. Polygons from the file limites_acvas.shp and some polygons from the file surfGeol.shp were combined to create the dataset geometry. Sorting the polygons of the surfGeol.shp file was made by using the 5.1 map by superimposing the images and polygons. Only polygons overlapping the corresponding good surficial aquifers (Ice Contact proglacial sediments and Subaerial fan sediments) areas were preserved to create the first hydrogeological unit. The other two units correspond to polygons from the file limites_acvas.shp.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
This dataset was created by using the map 5.1 (Distribution of potential aquifer) of the Hydrogeological Atlas of the Annapolis Valley of the Geological Survey of Canada. Polygons from the file limites_acvas.shp and some polygons from the file surfGeol.shp were combined to create the dataset geometry. Sorting the polygons of the surfGeol.shp file was made by using the 5.1 map by superimposing the images and polygons. Only polygons overlapping the corresponding good surficial aquifers (Ice Contact proglacial sediments and Subaerial fan sediments) areas were preserved to create the first hydrogeological unit. The other two units correspond to polygons from the file limites_acvas.shp.
Description

Title: Hydrostratigraphic units and hydrogeologic contexts shapefile creation, Nanaimo -- Description: The original datasets show a shapefile for the bedrock and a raster for each hydrostratigraphic unit. The raster was converted into vector, using the ""Raster to polygon"" conversion tool. If the raster was floating point file type, the ""Int"" tool was used to convert the floating point raster to an integer value. The raster can then be converted into polygons. The polygons were aggregate using the tool ""aggregate polygons"" with an aggregation distance of 50 m. The polygons considered as unnecessary (mainly one pixel isolated polygons) were selected by their area and erased of the attribute table. The polygons contours were generalized using the ""smooth polygon"" tool with PAEK algorithm and a smoothing tolerance of 200 m.

After the files process to obtain hydrogeologic contexts, all the shapefiles obtained: hydrostratigraphic units (7); bedrock (1) and hydrogeologic contexts (4) were combine in one shapefile, using the merge tool. The identification of each polygon was done in the attribute table.

Date / Time
2016-03-03T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
Benoit, N., Paradis, D., Bednarski, J.M., Hamblin, T., and Russell, H.A.J., 2015. Three dimensional hydrostratigraphic model of the Nanoose-Deep Bay area, Nanaimo Lowland, British Columbia; Geological Survey of Canada, Open File 7796, 1 .zip file. doi:10.4095/296302
Description

Title: General process description - Fraser Lowlands -- Description: The dataset comes from the two fraser.shp files of folders (limites and ressource) of the Fraser Lowlands project archives folder.

One file describes the aquifer system geometry and the other the aquifers geometry. Both files were merged to create the dataset. The aquifers nomenclature comes from figure 9 (Datfig09.pdf) of the document Aquifer Delineation, Fraser Lowland and Delta: Mapping, Geophysics, and Groundwater Modelling (B.D. Ricketts and A.J. Makepeace, Editors).

Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset comes from the two fraser.shp files of folders (limites and ressource) of the Fraser Lowlands project archives folder. One file describes the aquifer system geometry and the other the aquifers geometry. Both files were merged to create the dataset. The aquifers nomenclature comes from figure 9 (Datfig09.pdf) of the document Aquifer Delineation, Fraser Lowland and Delta: Mapping, Geophysics, and Groundwater Modelling (B.D. Ricketts and A.J. Makepeace, Editors).
Description
Title: General process description - Portneuf -- Description: This dataset comes from the mapping file associated with the 3664-b open file.
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francois Letourneau ( )
Description
This dataset comes from the mapping file associated with the 3664-b open file.
Description
Title: General process description - Carboniferous basin -- Description: The dataset was created from the geometry of the geol_article03.shp file. The units were created with reference to the Hydrogeological Atlas of the South-Central Area of the Maritimes Carboniferous Basin. They were defined in order that each unit has the same recharge (4-4 card), the same potential (5-2 map) and the same vulnerability to contamination (5-8 map).
Date / Time
2016-03-31T00:00:00.0
RI_416
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francesca Audet-Gagnon ( )
Description
The dataset was created from the geometry of the geol_article03.shp file. The units were created with reference to the Hydrogeological Atlas of the South-Central Area of the Maritimes Carboniferous Basin. They were defined in order that each unit has the same recharge (4-4 card), the same potential (5-2 map) and the same vulnerability to contamination (5-8 map).
File identifier
34c0dbf2-9595-84f3-679c-7d2d7c90ecfe XML
Metadata language
eng; CAN
Character set
utf8; utf8 RI_458
Hierarchy level
series; série RI_623
Date stamp
2020-05-01T15:25:07
Metadata standard name
North American Profile of ISO 19115:2003 - Geographic information - Metadata
Metadata standard version
CAN/CGSB-171.100-2009
RI_418
  Government of Canada; Natural Resources Canada; Geological Survey of Canada - GSC Quebec - Francois Letourneau
490, rue de la Couronne, 3e étage , Québec , Québec , G1K 9A9 , Canada
voice; 1 (418) 6543826
RI_414
  Government of Canada; Natural Resources Canada; Geological Survey of Canada
 
 

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