Quantification of Erosion and Phosphorus Release from a Peat Soil Forest Catchment

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Resource or Project Abstract

The effects of clearfelling and harvesting lodgepole pine trees on the quality of receiving waters in a productive salmonid blanket peat catchment in Burrishoole, Co. Mayo were investigated in this research study. The study site was contained within a 20 hectare area and was drained by a first order stream that received the flows from the ploughed furrows, mainly via the collector drains. The study site was divided in two parts. Two instrumented stations were established ? one just upstream (US) and the other just downstream (DS) of the area to be clearfelled. The instrumentation at each station included a flume, water-level recorder, automatic water sampler and probes for measuring physico-chemical water variables; 2 rain gauges were installed at the downstream station. The rainfall, flows and water quality variables at the two stations were examined every five minutes for about 1 year pre-clearfelling, during clearfelling and harvesting, and for 19 months post-clearfelling. During flood events, water samples were taken hourly at the US and DS stations for suspended sediment (SS) and phosphorus (P) testing; the SS sampling was carried out for one year and the P sampling for one month before clearfelling.

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Contact Information for This Resource

Dr. Liwen Xiao
Department of Civil Engineering, NUIG
Research Scientist
Department of Civil Engineering, University Road, National University of Ireland Galway (NUIG), University Road Galway City, Ireland
Telephone: +353 (0)91 524411
e-mail: liwen.xiao@nuigalway.ie

Dr. Michael Rodgers
National University of Ireland Galway
Senior Lecturer, Researcher
Civil Engineering Room E210, NUI Galway, University Road, Galway City, Ireland
Telephone: +353 (91) 492219
e-mail: Michael.Rodgers@nuigalway.ie

Mr. Mark O'Connor
National University of Ireland Galway
Researcher
Civil Engineering Department, NUI Galway, University Road, Galway City, Ireland
Telephone: +353 (0)91 524411
e-mail: mark.oconnor@nuigalway.ie

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Attachment Name and Download Link
Offline Print Quality Version    STRIVE_8_Rodgers_Siltation_prn.pdf  (4.4 Mb)
Project Report Optimised For Online Viewing    STRIVE_8_Rodgers_Siltation_web.pdf  (0.82 Mb)

Suggested Citation Information

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Author(s)Xiao, L. Rodgers, M. O'Connor, M.
Title Of WebsiteSecure Archive For Environmental Research Data
Publication InformationQuantification of Erosion and Phosphorus Release from a Peat Soil Forest Catchment
Name of OrganisationEnvironmental Protection Agency Ireland
Electronic Address or URL http://erc.epa.ie/safer/resource?id=57f416ae-2f55-102b-950d-28616e04c7da
Unique Identifier57f416ae-2f55-102b-950d-28616e04c7da
Date of AccessLast Updated on SAFER: 2014-12-21

An example of this citation in proper usage:

Xiao, L. Rodgers, M. O'Connor, M.   "Quantification of Erosion and Phosphorus Release from a Peat Soil Forest Catchment". 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=57f416ae-2f55-102b-950d-28616e04c7da (Last Accessed: 2014-12-21)

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Access Information For This Resource

SAFER-Data Display URL http://erc.epa.ie/safer/iso19115/display?isoID=53
Resource KeywordsWater level, pH, temperature, ORP, conductivities, phosphorus, suspended sediments, dissoved oxygen, ammoniun,rainfall,downstream,sub-Burrishoole catchment upstream
EPA/ERTDI/STRIVE Project Code2000-LS-3.2.4-M2
EPA/ERTDI/STRIVE Project ThemeWater Quality
Resource Availability: Any User Can Download Files From This Resource
Public-Open
Limitations on the use of this ResourceCurrently (Feb 2008) the authors are in the process of publishing academic papers using the raw data collected in this project. Datasets will be made publicly available from this website when this process is completed.
Number of Attached Files (Publicly and Openly Available for Download): 2
Project Start Date Monday 5th January 2004 (05-01-2004)
Earliest Recorded Date within any attached datasets or digital objects Monday 25th April 2005 (25-04-2005)
Most Recent Recorded Date within any attached datasets or digital objects Monday 30th July 2007 (30-07-2007)
Published on SAFERMonday 18th February 2008 (18-02-2008)
Date of Last EditTuesday 30th September 2008 at 13:18:33 (30-09-2008)
Datasets or Files Updated On Tuesday 30th September 2008 at 13:07:48 (30-09-2008)

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Geographical and Spatial Information Related To This Resource

Description of Geographical Characteristics of This Project or Dataset
The blanket peat catchment in Burrishoole, Co. Mayo were investigated in this research study. The study site was contained within a 20 hectare area and was drained by a first order stream that received the flows from the ploughed furrows, mainly via the collector drains. The study site was divided in two parts. Two instrumented stations were established ? one just upstream (US) and the other just downstream (DS) of the area to be clearfelled. The Burrishoole Valley, Co. Mayo, Ireland lies in a north-south direction. The catchment is an oligotrophic and poorly buffered system with an area of 8949ha and consists of three main lakes, the brackish L. Furnace, the freshwater lakes Freeagh and Bunaveela and a number of smaller lakes such as L. Avoher and L. Namaroon. The catchment area is drained by at least 70Km of small shallow streams. (http://www.diadfish.org/maj2006_fichiers/maj_11_06_slime/bburrishoole.pdf)

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Supplementary Information About This Resource

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Lineage information about this project or dataset
To monitor the effects of clearfelling and harvesting operations on the quality of receiving waters
Supplementary Information
Datasets (containing measurements taken at the study site) which shall be made available at a later date include:
Water Level at Upstream/Downstream (date, level in cm)
pH level at Upstream/Downstream (date, pH)
Temperature at Upstream/downstream (celcius)
Conductivity at upstream/downstream (yS/cm)
Dissovlved Oxygen at Downstream (% Sat)
Ammonia at Downstream (mg/l)
Rainfall (mm)
Total reactive phosphorus (TRP) concentration at Upstream/Downstream (ug/l)
Suspended Sediments upstream and downstream (mg/l)

Measurement Methodologies:
Water level was measured by H-flume; rainfall was measured by raingauge; water temperature, pH, ORP, Conductivity, ammonium concentration and dissoved oxygen were measured by the probes supplied by OTT HYDROMETRY Ltd. Phosphorus was measured by using a Konelab 20 Analyser (Konelab Ltd.); suspended sediment was measured in accordance with the Standard Methods (APHA, 1995) using Whatman GF/C (pore size 1.2 μm) filter papers
Links To Other Related Resources
  http://www.diadfish.org/maj2006_fichiers/maj_11_06_slime/bburrishoole.pdf (Opens in a new window)

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