Evaluation of Models (PaSim, RothC, CENTURY and DNDC) for Simulation of Grassland Carbon Cycling at Plot, Field and Regional Scal

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Resource or Project Abstract

Biogeochemical models are increasingly used to simulate greenhouse gas (GHG) exchange and carbon (C) cycling in terrestrial ecosystems. Models enable the integration of processes and can be upscaled from plot to field and regional scale. In addition, such models are becoming increasingly important in the development of GHG accounting systems. There is a need to investigate the applicability of such models to the major ecosystem types in Ireland. A literature review was carried out to evaluate the use of the RothC, CENTURY, DNDC and PaSim models for modelling soil organic carbon (SOC) stock changes in Irish grasslands. RothC, CENTURY and DNDC have simulated SOC stock changes in mineral soils under grassland, arable and forest cover. PaSim has not been used similarly. Based on this review, CENTURY and RothC are the most suitable models for simulating SOC stock changes in grassland soils in Ireland. Where assessments of nitrous oxide (N2O) emissions are to be carried out in tandem with SOC stock change investigations, the DNDC model should be considered.

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Contact Information for This Resource

Dr. Kenneth Byrne
University College Cork
Environmental Research Scientist
Centre for Hydrology, Micrometeorology and Climate Change, Department of Civil and Environmental Engineering, University College Cork, Cork City, Ireland
Telephone: +353-(0)21-4903025
e-mail: k.byrne@ucc.ie

Prof. Gerard Kiely
University College Cork Ireland
Professor Civil and Environmental Engineering
Centre for Hydrology, Micrometeorology and Climate Change,, Department of Civil and Environmental Engineering, University College Cork, Cork City, Ireland
Telephone: +353-(0)21-4902965
e-mail: g.kiely@ucc.ie

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Attachment Name and Download Link
Offline Print Quality Version    STRIVE_20_Byrne_GrassCarbonCycling_prn.pdf  (1.26 Mb)
Project Report Optimised For Online Viewing    STRIVE_20_Byrne_GrassCarbonCycling_web.pdf  (1.31 Mb)

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Author(s)Byrne, K. Kiely, G.
Title Of WebsiteSecure Archive For Environmental Research Data
Publication InformationEvaluation of Models (PaSim, RothC, CENTURY and DNDC) for Simulation of Grassland Carbon Cycling at Plot, Field and Regional Scal
Name of OrganisationEnvironmental Protection Agency Ireland
Electronic Address or URL http://erc.epa.ie/safer/resource?id=b58963e1-42aa-102c-b381-901ddd016b14
Unique Identifierb58963e1-42aa-102c-b381-901ddd016b14
Date of AccessLast Updated on SAFER: 2017-09-26

An example of this citation in proper usage:

Byrne, K. Kiely, G.   "Evaluation of Models (PaSim, RothC, CENTURY and DNDC) for Simulation of Grassland Carbon Cycling at Plot, Field and Regional Scal". 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=b58963e1-42aa-102c-b381-901ddd016b14 (Last Accessed: 2017-09-26)

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Access Information For This Resource

SAFER-Data Display URL http://erc.epa.ie/safer/iso19115/display?isoID=103
Resource KeywordsPaSim, RothC, CENTURY DNDC Biogeochemical models greenhouse gas
EPA/ERTDI/STRIVE Project Code2005-FS-32-M1
EPA/ERTDI/STRIVE Project ThemeClimate Change
Resource Availability: Any User Can Download Files From This Resource
Public-Open
Limitations on the use of this ResourceAny use of the report in third party publications, presentations, or other derived products such include a proper citation of the original authors of this work. There is an automatic citation generated by SAFER for use in bibliographies.
Number of Attached Files (Publicly and Openly Available for Download): 2
Project Start Date Thursday 1st September 2005 (01-09-2005)
Earliest Recorded Date within any attached datasets or digital objects Thursday 1st September 2005 (01-09-2005)
Most Recent Recorded Date within any attached datasets or digital objects Monday 1st September 2008 (01-09-2008)
Published on SAFERMonday 2nd February 2009 (02-02-2009)
Date of Last EditTuesday 3rd February 2009 at 11:18:13 (03-02-2009)
Datasets or Files Updated On Monday 2nd February 2009 at 18:46:14 (02-02-2009)

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Geographical and Spatial Information Related To This Resource

Description of Geographical Characteristics of This Project or Dataset
Two sites were chosen for this study. The first site (Cork) was located in an area of intensively managed grassland 180 m above sea level in County Cork, southern Ireland (51 N, 8 W). The climate is temperate maritime with an average rainfall of 1470 mm yr-1 and an annual daily mean temperature of 6.2C in January and 13.7C in July. The dominant soil type is gleysol with 39% sand, 44% silt, 17% clay and a bulk density of 1.17 g cm-3. The soil pH is 5.4 and the SOC content (0-10 cm) is 3.9-5.9%. The second site (Wexford) is located at the Teagasc Wexford Castle Research Centre, Wexford Castle, Co. Wexford in south-east Ireland (52 N, 6 W) The mean annual rainfall is 1014 mm and the mean annual temperature is 10C. The soil is a gleyic cambisol with 18% sand, 38% silt and 18% clay and a bulk density of 1.23 g cm-3. The soil pH is 5.8 and the C and N content are 3.2% and 0.28% respectively. The pasture is perennial ryegrass

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Supplementary Information About This Resource

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Lineage information about this project or dataset
Biogeochemical models are increasingly used to simulate GHG exchange and carbon cycling in terrestrial ecosystems. Models enable the integration of processes and can be upscaled from plot to field and regional scale. In addition, such models are becoming increasingly important in the development of GHG accounting systems. There is a need to investigate the applicability of models to simulate and predict carbon stocks and GHG exchange in Irish grasslands. Given this background, this study had the following objectives. To conduct a literature review of 1 the RothC, CENTURY, DNDC and PaSim models, and to evaluate their use for modelling SOC stock changes in Irish grasslands (Section 2). 2 To use the RothC, CENTURY and DNDC models to investigate the potential response to climate change of SOC stocks in two grassland sites in Ireland with contrasting soil and climatic conditions.
Supplementary Information
User manuals for the various models are available on the Internet from the various links provided here in the metadata.
Links To Other Related Resources
  http://www.ucc.ie/hydromet/ (Opens in a new window)
  http://www.rothamsted.bbsrc.ac.uk/aen/ (Opens in a new window)
carbon/rothc.htm
ttp://www.nrel.colostate.edu/projects/century/nrel.htm
  http://www.dndc.sr.unh.edu/ (Opens in a new window)

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