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Simulated effects of ASR injection and withdrawals in the Floridian aquifer system near Lake Okeechobee Florida - a first approximation

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Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: Nick Sepulveda
Publication_Date: 2003
Title:
Simulated effects of ASR injection and withdrawals in the Floridian aquifer system near Lake Okeechobee Florida - a first approximation
Geospatial_Data_Presentation_Form: reports
Online_Linkage: <https://sofia.usgs.gov/projects/effects_inject/>
Description:
Abstract:
The primary objective of this study is to assess the potential effects of injecting and then withdrawing 1.0 bgd of water into the Upper Floridan aquifer near Lake Okeechobee on changes in Floridan aquifer system heads near the well sites and north of the lake.

The project objectives will be met by simulating the effects of injecting, and then withdrawing, water near Lake Okeechobee on the Floridan aquifer flow system using the USGS ‘Mega’ model (Sepulveda, 2002). The Mega model extends from the Suwannee River south to the middle of Lake Okeechobee, and from coast to coast. The model has a constant surficial aquifer fixed head array and is vertically discretized to simulate ground-water flow in both the Upper and Lower Floridan aquifers. The model input files, which are presently formatted for inclusion in the original version of the MODFLOW model, will need to be converted to the newer USGS MODFLOW-2000 format (Harbaugh and others, 2000). The locations of injection/withdrawal sites and accompanying rates will be provided by project development team members. Because of the close proximity of the model’s southern boundary to the proposed injection sites, the model cannot be used to evaluate the possible effects of injections and withdrawals to areas south of the lake.

Purpose:
The Comprehensive Everglades Restoration Plan's (CERP) Aquifer Storage and Recovery (ASR) project proposes to inject and then withdraw up to 1.0 billion gallons per day (bgd) of surface water into and out of the Upper Floridan aquifer during wet and dry weather conditions at selected sites near Lake Okeechobee. Concern exists, however, that the injection and withdrawal of such large volumes of water may affect water levels in the Floridan aquifer system for considerable distances away from the proposed well sites in South Florida. As a result, project team scientists agree that a regional GW-flow model will eventually be needed to evaluate the magnitudes and extents of head changes resulting from ASR operations. At this time, however, uncertainty exists in just how far the northern boundary for such a model would need to be extended to avoid the undesirable effects caused by assignment of other than natural aquifer boundaries (i.e., constant head or flux boundaries). Also, because water-use data collection represents such a large investment of manpower in the construction of any regional model, it is desired not to extend the boundary any further north than necessary.
Supplemental_Information:
The results of this project are in two publications: Simulation of Ground-Water Flow in the Intermediate and Floridan Aquifer Systems in Peninsular Florida, WRI 02-4009 and A statistical estimator of the spatial distribution of the water-table altitude, Ground Water, v 41, issue 1
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 200207
Ending_Date: 200309
Currentness_Reference: ground condition
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -82
East_Bounding_Coordinate: -80
North_Bounding_Coordinate: 28.5
South_Bounding_Coordinate: 26.875
Keywords:
Theme:
Theme_Keyword_Thesaurus: none
Theme_Keyword: ASR
Theme_Keyword: Aquifer Storage and Recovery
Theme_Keyword: model
Theme_Keyword: hydrology
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: environment
Theme_Keyword: inlandWaters
Theme_Keyword: 007
Theme_Keyword: 012
Place:
Place_Keyword_Thesaurus:
Department of Commerce, 1995, Countries, Dependencies, Areas of Special Sovereignty, and Their Principal Administrative Divisions, Federal Information Processing Standard (FIPS) 10-4, Washington, DC, National Institute of Standards and Technology
Place_Keyword: United States
Place_Keyword: US
Place:
Place_Keyword_Thesaurus:
U.S. Department of Commerce, 1987, Codes for the identification of the States, the District of Columbia and the outlying areas of the United States, and associated areas (Federal Information Processing Standard 5-2): Washington, DC, NIST
Place_Keyword: Florida
Place_Keyword: FL
Place:
Place_Keyword_Thesaurus:
Department of Commerce, 1990, Counties and Equivalent Entities of the United States, Its Possessions, and Associated Areas, FIPS 6-3, Washington, DC, National Institute of Standards and Technology
Place_Keyword: Glades County
Place_Keyword: Hendry County
Place_Keyword: Highlands County
Place_Keyword: Martin County
Place_Keyword: Okeechobee County
Place_Keyword: Palm Beach County
Place_Keyword: St. Lucie County
Place:
Place_Keyword_Thesaurus: USGS Geographic Names Information System
Place_Keyword: Lake Okeechobee
Place:
Place_Keyword_Thesaurus: none
Place_Keyword: Greater Lake Okeechobee
Place_Keyword: Kissimmee Valley
Stratum:
Stratum_Keyword_Thesaurus: none
Stratum_Keyword: Floridan aquifer
Stratum_Keyword: Upper Floridan aquifer
Access_Constraints: none
Use_Constraints: none
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Nick Sepulveda
Contact_Organization: U.S. Geological Survey
Contact_Address:
Address_Type: mailing and physical address
Address: 224 W. Central Parkway, Suite 1006
City: Altamonte Springs
State_or_Province: FL
Postal_Code: 32714
Country: USA
Contact_Voice_Telephone: 407 865-7575
Contact_Facsimile_Telephone: 407 865-6733
Contact_Electronic_Mail_Address: nsepul@usgs.gov
Cross_Reference:
Citation_Information:
Originator: Sepulveda, Nicasio
Publication_Date: 2003
Title:
A statistical estimator of the spatial distribution of the water-table altitude
Geospatial_Data_Presentation_Form: report
Series_Information:
Series_Name: Ground Water
Issue_Identification: V. 41 Issue 1
Publication_Information:
Publication_Place: Westerville. OH
Publisher: National Ground Water Association
Other_Citation_Details:
The abstract is available online from the Ground Water website. A journal subscription is required to access the full text.
Cross_Reference:
Citation_Information:
Originator: Sepulveda, Nicasio
Publication_Date: 2002
Title:
Simulation of ground-water flow in the intermediate and Floridan aquifer systems in peninsular Florida
Geospatial_Data_Presentation_Form: report
Series_Information:
Series_Name: USGS Water-Resources Investigations Report
Issue_Identification: 02-4009
Publication_Information:
Publication_Place: Tallahassee, FL
Publisher: U.S. Geological Survey
Online_Linkage: <http://fl.water.usgs.gov/Abstracts/wri02_4009_sepulveda.html>

Data_Quality_Information:
Logical_Consistency_Report: not applicable
Completeness_Report: not available
Lineage:
Process_Step:
Process_Description:
Planned FY 2003 work:

The locations of injection/withdrawal sites and accompanying rates will be provided by project development team members, including those from USACE, SFWMD, and USGS.

Simulate changes in the potentiometric surfaces of the Upper and Lower Floridan aquifers under both steady-state and transient conditions for bracketed (boundary) scenarios. Transient simulations will be conducted to simulate the temporal nature of head changes at and away from the well sites with monthly changes in municipal 1993-94 pumpage rates (period used to calibrate the model and for which water-use data are readily available for model input). Steady-state simulations will also be conducted to analyze the maximum possible effects of ASR injection and withdrawal. Because the Mega model’s southern boundary is comprised of specified heads and is relatively close to proposed injection sites, simulated head changes near this boundary may be subject to considerable error. It is possible that these errors may also affect simulated heads north of the well sites, which are of greater interest in this study. Accordingly, it will be necessary to conduct two simulations to bracket a possible range of affected heads. In the first scenario, where specified 1993-94 heads will be assigned along the model’s southern boundary, simulated heads will be unrealistically low during the injection period but unrealistically high during the withdrawal phase. In the second scenario, where constant 1993-94 lateral fluxes will be specified along the southern boundary, simulated heads will be too high during the injection period but too low during the withdrawal phase. Thus, the two simulations considered together should establish upper and lower bounds for simulated heads in the Upper and Lower Floridan aquifers.

Although the results of this project will not provide the basis for evaluating the feasibility of ASR, results should prove useful for later conceptualization and construction of the ASR regional model.

Process_Date: 2003
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Nick Sepulveda
Contact_Organization: U.S. Geological Survey
Contact_Address:
Address_Type: mailing and physical address
Address: 224 W. Central Parkway, Suite 1006
City: Altamonte Springs
State_or_Province: FL
Postal_Code: 32714
Country: USA
Contact_Voice_Telephone: 407 865-7575
Contact_Facsimile_Telephone: 407 865-6733
Contact_Electronic_Mail_Address: nsepul@usgs.gov

Spatial_Data_Organization_Information:
Indirect_Spatial_Reference: ASR near Lake Okeechobee

Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Nick Sepulveda
Contact_Organization: U.S. Geological Survey
Contact_Address:
Address_Type: mailing and physical address
Address: 224 W. Central Parkway, Suite 1006
City: Altamonte Springs
State_or_Province: FL
Postal_Code: 32714
Country: USA
Contact_Voice_Telephone: 407 865-7575
Contact_Facsimile_Telephone: 407 865-6733
Contact_Electronic_Mail_Address: nsepul@usgs.gov
Resource_Description: Mega model results
Distribution_Liability: There are no warrantees explicit or implied for the data
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: Adobe PDF
Transfer_Size: 22.6
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name: <http://fl.water.usgs.gov/Abstracts/wri02_4009_sepulveda.html>
Access_Instructions: The report is available from the USGS fl-water website
Fees: none

Metadata_Reference_Information:
Metadata_Date: 20070306
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Heather Henkel
Contact_Organization: U.S. Geological Survey
Contact_Address:
Address_Type: mailing and physical address
Address: 600 Fourth Street South
City: St. Petersburg
State_or_Province: FL
Postal_Code: 33701
Country: USA
Contact_Voice_Telephone: 727 803-8747 ext 3028
Contact_Facsimile_Telephone: 727 803-2030
Contact_Electronic_Mail_Address: sofia-metadata@usgs.gov
Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998

This page is <https://sofia.usgs.gov/metadata/sflwww/sepulveda_ASR.html>

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