Hydraulic conductivity and transmissivity estimated from specific capacity tests in wells completed in bedrock in the Washburn/Great Divide Unit of the Chequamegon-Nicolet National Forest, Wisconsin

Metadata also available as

Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: Wisconsin Geological and Natural History Survey (WGNHS)
Publication_Date: 20181228
Title:
Hydraulic conductivity and transmissivity estimated from specific capacity tests in wells completed in bedrock in the Washburn/Great Divide Unit of the Chequamegon-Nicolet National Forest, Wisconsin
Geospatial_Data_Presentation_Form: vector digital data
Description:
Abstract:
This dataset consists of point data for each bedrock well analyzed using TGUESS. Each well has attributes for the specific capacity measurement, in gallons per minute per foot (gpm/ft); the log of the estimated hydraulic conductivity in ft/day; and the log of the estimated transmissivity in ft2/day. TGUESS estimates hydraulic conductivity and transmissivity from specific capacity tests conducted by well drillers. This data set contains only wells completed in bedrock with no obvious errors; wells with spurious data were eliminated. TGUESS produces estimates only. The methodology and results are documented in an accompanying summary report available from the Wisconsin Geological and Natural History Survey.
Purpose:
This dataset was produced as part of a project to assess groundwater resources across the Chequamegon-Nicolet National Forest. Groundwater is an important resource for the forest, and a more comprehensive understanding of this resource can help guide land management decisions. Hydraulic conductivity and transmissivity were estimated from specific capacity tests conducted by well drillers using the TGUESS method. This data set contains only the estimates from wells completed in bedrock. Taken as a whole, this dataset can guide interpretation of magnitude and spatial variation of hydraulic properties. The datasets produced as part of this project are divided by location into four groups, corresponding to the four main National Forest Units: Medford, Nicolet, Park Falls, and Washburn/Great Divide. This dataset is located in the Washburn/Great Divide Unit.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 20181228
Currentness_Reference: publication date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -91.588371
East_Bounding_Coordinate: -90.131922
North_Bounding_Coordinate: 46.930939
South_Bounding_Coordinate: 45.818916
Keywords:
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: Washburn/Great Divide Unit
Theme_Keyword: Ashland County
Theme_Keyword: Bayfield County
Theme_Keyword: Sawyer County
Theme_Keyword: geology
Theme_Keyword: geologic
Theme_Keyword: hydrogeology
Theme_Keyword: hydraulic conductivity
Theme_Keyword: bedrock
Theme_Keyword: Wisconsin
Place:
Place_Keyword_Thesaurus: None
Place_Keyword: Chequamegon-Nicolet National Forest
Place_Keyword: Washburn/Great Divide Unit
Place_Keyword: Ashland County
Place_Keyword: Bayfield County
Place_Keyword: Sawyer County
Place_Keyword: Wisconsin
Access_Constraints: None
Use_Constraints:
These data are provided by the Wisconsin Geological and Natural History Survey (WGNHS) on an "as is" basis. WGNHS will not be liable for any damages of any kind arising from the use of these data, including, but not limited to direct, indirect, punitive, and consequential. WGNHS makes no warranties on these data, express, implied, statutory, or in any other provision of any agreement or communication, and specifically disclaims any implied warranties of merchantability or fitness for a particular purpose.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: Wisconsin Geological and Natural History Survey (WGNHS)
Contact_Position: Information Manager
Contact_Address:
Address_Type: unknown
Address: 3817 Mineral Point Rd
City: Madison
State_or_Province: Wisconsin
Postal_Code: 53705-5100
Country: USA
Contact_Electronic_Mail_Address: gis@wgnhs.uwex.edu
Data_Set_Credit:
This project was funded by the U.S. Forest Service. The data analysis was completed by the Wisconsin Geological and Natural History Survey (WGNHS) in 2014.
Native_Data_Set_Environment: Version 6.2 (Build 9200) ; Esri ArcGIS 10.6.0.8321

Data_Quality_Information:
Completeness_Report:
This dataset provides the estimated hydraulic conductivity and transmissivity based on well construction reports of varying quality. Specific capacity reports commonly contain numerous errors and spurious data. Hydraulic property estimates are only as good as the specific capacity data reported by well drillers.
Lineage:
Source_Information:
Type_of_Source_Media: None
Source_Contribution:
This dataset consists of points showing the hydraulic properties estimated from specific capacity tests in bedrock wells conducted by well drillers for the Washburn/Great Divide Unit of the Chequamegon-Nicolet National Forest in Wisconsin. The methodology and results are documented in an accompanying summary report available from WGNHS.

Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: Entity point
Point_and_Vector_Object_Count: 646

Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 8.983152841195215e-09
Longitude_Resolution: 8.983152841195215e-09
Geographic_Coordinate_Units: Decimal Degrees
Geodetic_Model:
Horizontal_Datum_Name: D WGS 1984
Ellipsoid_Name: WGS 1984
Semi-major_Axis: 6378137.0
Denominator_of_Flattening_Ratio: 298.257223563

Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: WGD_BedTGUESS_WGNHS_2016
Attribute:
Attribute_Label: OBJECTID_1
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: Esri
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: Esri
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: WUWN
Attribute:
Attribute_Label: LogK_ft_d
Attribute:
Attribute_Label: LogT_ft2_d
Attribute:
Attribute_Label: sc
Overview_Description:
Entity_and_Attribute_Overview:
WUWN: Wisconsin Unique Well Number - A 5-character alphanumeric unique identifier assigned to each well construction report submitted to the Wisconsin Department of Natural Resources. sc: Specific Capacity of the Well - The specific capacity is the pumping rate divided by the drawdown, in gallons per minute per foot (gpm/ft). LogK_ft_d: Logarithm of hydraulic conductivity - The logarithm of the estimated hydraulic conductivity in ft/day. LogT_ft2_d: Logarithm of the transmissivity of the aquifer - The Logarithmic transformation of the transmissivity, defined as the aquifer hydraulic conductivity times the aquifer thickness, in ft2/day.
Entity_and_Attribute_Detail_Citation:
This dataset consists of points showing the hydraulic properties estimated from specific capacity tests in bedrock wells conducted by well drillers for the Washburn/Great Divide Unit of the Chequamegon-Nicolet National Forest in Wisconsin. The methodology and results are documented in an accompanying summary report available from WGNHS.

Metadata_Reference_Information:
Metadata_Date: 20190212
Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time

Generated by mp version 2.9.12 on Tue Feb 12 14:55:22 2019