Contaminant Movement and Attenuation along Pathways from the Land Surface to Aquatic Receptors - A Review

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Resource or Project Abstract

The Pathways Project aims to address the challenge of developing a better understanding of hydrological processes, water-borne contaminant fate and transport, and the subsequent impact of these contaminants on aquatic ecosystems in Irish River Basin Districts (RBDs). The project will develop a Catchment Management Tool (CMT) that may be employed by RBD management to ensure that good Water Framework Directive (WFD) status is achieved and/or maintained by 2015. CMT development requires the following project objectives to be addressed: 1.Identification of significant hydrological pathways within RBDs; 2.Quantification of flows along the identified hydrological pathways; 3.Identification of the significance of these pathways for diffuse pollutant transport and attenuation, with particular emphasis on the attenuation of nutrients (nitrogen and phosphorus species), and particulate matter (pathogenic micro-organisms and sediments); 4.Identification of critical source areas contributing diffuse pollutants to groundwater, surface water and relevant ecological receptors; and 5.Development of a CMT employing data collected during the study in line with the requirements of the end-user. The project literature report aims to provide an overview of current understanding and knowledge gaps in relation to diffuse contaminant flow and attenuation pathways and the assessment of the impact of these contaminants on aquatic receptors in rivers and streams. The hydrological conceptual model proposed for the Pathways Project to act as the basis for further study is based on that developed by the Working Group on Groundwater and adopted in the recent Irish surface water and groundwater interactions study (RPS, 20081). This model identifies five main pathways: 1.Overland flow; 2.Interflow; 3.Shallow groundwater flow; 4.Deep groundwater flow; and 5.Discrete fault/conduit flow. In the Pathways Project, it is proposed to apply a range of physical and chemical hydrograph separation techniques, developed using high-resolution field data from selected study catchments and existing literature, to quantify flow along different pathways. Mathematical modelling of hydrograph responses using the integrated hydrological water quality data sets collected will shed further light on contaminant transport/attenuation and further strengthen confidence in CMT outputs. Primary knowledge gaps in Ireland concerning pathway contributions to hydrological budgets include a proper understanding of contaminant transport and attenuation processes occurring in interflow, flow through drains, and overland flow at the field scale. The Pathways Project aims to add to knowledge of these issues. This report examines the current literature available on transport and attenuation of these contaminants and identifies knowledge gaps that focus research objectives. Ultimately the impact of contaminants of concern on catchment aquatic biota must be assessed. Aquatic biota integrates the effects of prevailing physico chemical conditions in freshwater habitats and is considered the receptor in the WFD. Currently, efforts to understand biological responses to various stressors are curtailed by the scarcity of reliable high-frequency integrated hydrological/water quality data. Technical reports have now been added to this resource - June 2015

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Contact Information for This Resource

Dr. Marie Archbold
Queen's University Belfast
Environmental Research Scientist
School of Planning, Architecture and Civil Engineering, Queen's University Belfast, Stranmillis Road, David Keir Building, Queen's University Belfast, Stranmillis Road Belfast BT9 5AG, Northern Ireland
Telephone: +44 28 90975633
e-mail: m.archbold@qub.ac.uk

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Attachment Name and Download Link
Project Report Optimised For Online Viewing    STRIVE_56_Archbold_ContaminantsPathwaysReview_web.pdf  (1.6 Mb)
Offline Print Quality Version    STRIVE_56_Archbold_PathwaysPart1_prn.pdf  (3.0 Mb)
Offline Print Quality Version    STRIVE_56_Archbold_PathwaysPart2_prn.pdf  (5.34 Mb)
Offline Print Quality Version    STRIVE_56_Archbold_PathwaysPart3_prn.pdf  (1.71 Mb)
Att 5    Pathways_Project_Vol_3.pdf   (5.47 Mb)
Att 6    Pathways_Project_Vol_4.pdf   (5.7 Mb)
Att 7    Pathways_Report_Volume_2.pdf   (2.13 Mb)
Att 8    Pathways_Project_Vol_1.pdf   (10.97 Mb)
Att 9    Pathways_Project_Vol_5.pdf   (9.97 Mb)
Att 10    STRIVE56-Executive-Summary.doc   (0.02 Mb)

Suggested Citation Information

The information supplied in the table below should be provided with all citations to this electronic resource. You are requested to format each of the fields below as required by the specific bibliographical style you are using.

Author(s)Archbold, M.
Title Of WebsiteSecure Archive For Environmental Research Data
Publication InformationContaminant Movement and Attenuation along Pathways from the Land Surface to Aquatic Receptors - A Review
Name of OrganisationEnvironmental Protection Agency Ireland
Electronic Address or URL http://erc.epa.ie/safer/resource?id=2aac27cd-58bc-102e-a0a4-f81fb11d7d1c
Unique Identifier2aac27cd-58bc-102e-a0a4-f81fb11d7d1c
Date of AccessLast Updated on SAFER: 2017-11-18

An example of this citation in proper usage:

Archbold, M.   "Contaminant Movement and Attenuation along Pathways from the Land Surface to Aquatic Receptors - A Review". 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 http://erc.epa.ie/safer/resource?id=2aac27cd-58bc-102e-a0a4-f81fb11d7d1c (Last Accessed: 2017-11-18)

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Access Information For This Resource

SAFER-Data Display URL http://erc.epa.ie/safer/iso19115/display?isoID=196
Resource KeywordsPathways Aquatic Water Framework Directive Catchment Groundwater
EPA/ERTDI/STRIVE Project Code2007-WQ-CD-1-S1
EPA/ERTDI/STRIVE Project ThemeWater Quality
Resource Availability: Any User Can Download Files From This Resource
Public-Open
Limitations on the use of this ResourceThe reliability, quality and completeness of data gained through SAFER-Data is intended to be used in an education or research context. These data are not guaranteed for use in operational or decision-making settings. The EPA and SAFER-Data requests an acknowledgement (in publications, conference papers, etc) from those who use data/information received with SAFER-Data. This acknowledgement should state the original creators of the data/information. An automated citation is provided below. It is not ethical to publish data/information without proper attribution or co-authorship. The data/information are the intellectual property of the collecting investigator(s). The data/information may be freely downloaded and used by all who respect the restrictions and requirements in the previous paragraphs.
Number of Attached Files (Publicly and Openly Available for Download): 10
Project Start Date Monday 1st January 2007 (01-01-2007)
Earliest Recorded Date within any attached datasets or digital objects Monday 1st January 2007 (01-01-2007)
Most Recent Recorded Date within any attached datasets or digital objects Wednesday 1st December 2010 (01-12-2010)
Published on SAFERTuesday 14th December 2010 (14-12-2010)
Date of Last EditWednesday 3rd June 2015 at 09:47:22 (03-06-2015)
Datasets or Files Updated On Wednesday 3rd June 2015 at 09:46:40 (03-06-2015)

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Geographical and Spatial Information Related To This Resource

Description of Geographical Characteristics of This Project or Dataset
The project literature report aims to provide an overview of current understanding and knowledge gaps in relation to diffuse contaminant flow and attenuation pathways and the assessment of the impact of these contaminants on aquatic receptors in rivers and streams. The geographical extent is that of the Water Framework Directive in Ireland.

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Supplementary Information About This Resource

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Lineage information about this project or dataset
The Pathways Project aims to address the challenge of developing a better understanding of hydrological processes, water-borne contaminant fate and transport, and the subsequent impact of these contaminants on aquatic ecosystems in Irish River Basin Districts (RBDs). The project will develop a Catchment Management Tool (CMT) that may be employed by RBD management to ensure that good Water Framework Directive (WFD) status is achieved and/or maintained by 2015. Primary knowledge gaps in Ireland concerning pathway contributions to hydrological budgets include a proper understanding of contaminant transport and attenuation processes occurring in interflow, flow through drains, and overland flow at the field scale. The Pathways Project aims to add to knowledge of these issues.
Supplementary Information
This literature review aims to review, assess and identify knowledge gaps in current understanding of hydrological flow in relation to diffuse contaminants, CSAs, and their associated impacts on aquatic ecosystems in Irish settings. It has been used to inform and constrain the study area selection process and subsequent fieldwork to ensure that relevant knowledge gaps are filled prior to modelling and CMT development. Based on the above, the objectives of the report are to: - Review and compile the findings of international and national studies to support assessment and modelling of hydrological and hydrogeological pathways in relation to overland flow, interflow, shallow, deep and conduit groundwater flow and identification of current knowledge gaps to provide focus for fieldwork; - Review and compile relevant literature concerning the fate and transport of pathogens, pesticides, nitrogen and phosphorus, and sediments, with particular emphasis on ensuring that appropriate data are/will be available to support the proposed CMT; and - Review and assess the suitability of ecological metrics currently used to assess the impact of contaminants of concern on aquatic biota.


OTHER CO-AUTHORS
Ulrich Ofterdinger (School of Planning, Architecture and Civil Engineering, Queen's University Belfast), Donnacha Doody (Agi-Food and Biosciences Institute, Belfast), Jenny Deakin (Civil, Structural and Environmental Engineering, Trinity College Dublin), Mary Kelly-Quinn (School of Biology and Environmental Science, UCD), Michael Bruen (School of Architecture, Landscape and Civil Engineering, UCD), Bruce Misstear (Civil, Structural and Environmental Engineering, Trinity College Dublin), and Ray Flynn (School of Planning, Architecture and Civil Engineering, Queen's University Belfast)
Links To Other Related Resources
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