Combining earth observation and geochemical tracing techniques for groundwater detection and evaluation in Ireland (CONNECT)

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Resource or Project Abstract

The CONNECT project was awarded funding as part of the EPA-STRIVE Water Research Programme 2012 (2012-W-MS-13). The project which commenced in April 2013 was led by Dr Jean Wilson (Principal Investigator) hosted within the Biogeochemistry Research Group headed by Professor Carlos Rocha (co-Principal Investigator) at the Centre for the Environment, Trinity College Dublin. The CONNECT project research team also includes Professor Catherine Coxon (Project Participant).The purpose of CONNECT was to further develop and apply earth observation and geochemical tracing techniques to identify (map), characterize and evaluate the occurrence and impact of groundwater discharge to lakes, transitional and coastal waters (TRACs). The overall aim was to examine the connectivity between ground and surface water by combining the results from a desktop GIS analysis of the potential or likelihood for groundwater discharge nationally, completed as part of Work Package 1 (WP1); with a remote sensing analysis of the potential for groundwater discharge nationally undertaken as part of WP2. The results from WP1 and WP2 were used to both inform and guide the subsequent in-situ evaluation of groundwater processes for a set of 8 target lakes, completed as part of the final work package (WP3).

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Contact Information for This Resource

Dr. Jean Wilson
University of Dublin, Trinity College

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Data, Files, Information Objects Related To This Project Resource

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Below is a selection of the [ 26 ] files attached to this resource : To view the list of all data and information products attached to this resource you will need to view the Full Attachment List

Attachment Name and Download Link
Att 1    EPARR_172_JWilson_CONNECT_syn.pdf   (7.42 Mb)
Att 2    EPARR_172_JWilson_CONNECT_prn.pdf   (16.03 Mb)
Att 3    Presentation_EnvironConference2014.pdf   (3.67 Mb)
Att 4    237401RochaWilson_et_al2015_Biogeochemistry_Kinvarra.pdf   (1.14 Mb)
Att 5    WilsonRocha2016_IntJournalAppEarthObsGeoinf.pdf   (2.96 Mb)
Att 6    WilsonRochaSPIE2014_92391A.pdf   (1.25 Mb)
Att 7    RochaWilson_et_al2015_Biogeochemistry_Kinvarra.pdf   (1.14 Mb)
Att 8    Wilson_IEOSconference_2014.pdf   (1.23 Mb)
Att 9    WilsonPostdocSeminarSeries_2014.pdf   (4.07 Mb)
Att 10    WilsonRocha_SPIEPresentation2014_9239-47.pdf   (3.66 Mb)

Suggested Citation Information

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Author(s)Wilson, J.
Title Of WebsiteSecure Archive For Environmental Research Data
Publication InformationCombining earth observation and geochemical tracing techniques for groundwater detection and evaluation in Ireland (CONNECT)
Name of OrganisationEnvironmental Protection Agency Ireland
Electronic Address or URL
Unique Identifier65a77e0a-9fee-11e5-ab63-005056ae0019
Date of AccessLast Updated on SAFER: 2024-02-29

An example of this citation in proper usage:

Wilson, J.   "Combining earth observation and geochemical tracing techniques for groundwater detection and evaluation in Ireland (CONNECT)". Associated datasets and digitial information objects connected to this resource are available at: Secure Archive For Environmental Research Data (SAFER) managed by Environmental Protection Agency Ireland (Last Accessed: 2024-02-29)


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Access Information For This Resource

SAFER-Data Display URL
Resource Keywordsremote sensing, GIS, thermal IR, groundwater discharge, radon, lakes, TRACs
EPA/ERTDI/STRIVE Project Code2012-W-MS-13
EPA/ERTDI/STRIVE Project ThemeEnvironmental Technologies
Resource Availability: Any User Can Download Files From This Resource
Limitations on the use of this ResourceAny attached datasets, data files, or information objects can be downloaded for further use in scientific applications under the condition that the source is properly quoted and cited in published papers, journals, websites, presentations, books, etc. Before downloading, users must agree to the "Conditions of Download and Access" from SAFER-Data. These appear before download. Users of the data should also communicate with the original authors/owners of this resource if they are uncertain about any aspect of the data or information provided before further usage.
Number of Attached Files (Publicly and Openly Available for Download): 26
Project Start Date Tuesday 1st January 2013 (01-01-2013)
Earliest Recorded Date within any attached datasets or digital objects Tuesday 1st January 2013 (01-01-2013)
Most Recent Recorded Date within any attached datasets or digital objects Tuesday 1st September 2015 (01-09-2015)
Published on SAFERFriday 11th December 2015 (11-12-2015)
Date of Last EditFriday 29th April 2016 at 11:53:46 (29-04-2016)
Datasets or Files Updated On Friday 29th April 2016 at 11:53:46 (29-04-2016)

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Geographical and Spatial Information Related To This Resource

Description of Geographical Characteristics of This Project or Dataset
Two documents containing the full suite of temperature and temperature anomaly maps generated for 122 lakes, 57 transitional and 80 coastal water bodies were produced as part of this project. The methodology relating to how these maps were created is presented in full within the Final Report pertaining to CONNECT.

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Supplementary Information About This Resource

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Lineage information about this project or dataset
CONNECT (2012-W-MS-13) was funded following an EPA STRIVE Research Call in 2012, under the Water pillar as a medium scale project based award. Funding for this project was approved following successful completion of an earlier EPA STRIVE Fellowship (2008-FS-W-4-S5), a pilot project which developed remote sensing and geochemical tracing techniques to evaluate and quantify submarine groundwater discharge to Irish coastal waters. Since most lakes and TRACs generally receive groundwater inflows through seepage from adjacent aquifers, and similarly, may also loose water via seepage to adjacent aquifers; the resultant groundwater-surface water interactions may significantly impact lake and marine water chemistry, water quality, biology and ecology. Contaminants from a variety of sources at and below the surface may be transported via groundwater exchange flows and recent studies have identified groundwater inputs as one of the main drivers of eutrophication in lakes and nearshore waters. Groundwater-lake interactions therefore could have a disproportionally greater influence on water quality and ecology potentially sufficient to threaten risk of failure to comply with WFD objectives. In recognition of the significance of groundwater as a potential pollution pathway and the challenges to localising and assessing inputs that are diffuse and highly variable, robust methodologies incorporating GIS, remote sensing and geochemical tracing, to facilitate a national assessment of groundwater discharge to lakes and TRACs, were developed as part of CONNECT.
Supplementary Information
OUTPUTS: 1) National map of likelihood for groundwater discharge to lakes and TRACs 2) Detailed set of temperature and thermal anomaly maps for lakes and TRACs provided in two separate but accompanying documents to the Final Report 3) Final Report 4) Peer reviewed publication detailing the methodology for lakes detailed below.

A desktop GIS analysis was completed (using ArcGIS) as part of a national assessment of the likelihood for lakes and TRACs to receive groundwater discharge. Key national spatial datasets were acquired from the EPA and the GSI including WFD Groundwater body aquifer type, faults and springs database and groundwater vulnerability. An LGD (likelihood for groundwater discharge) classification was developed as part of WP1 the full details of which are presented in the Final Report. Additionally, remote sensing analyses of surface water temperatures was completed to determine the potential for groundwater discharge. The full suite of temperature and temperature anomaly maps created for lakes and TRACs are presented in two accompanying documents. The methodology for same is presented in full in the Final Report.
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