A pragmatic parameterisation and calibration approach to model hydrology and water quality of agricultural landscapes and catchments

Article

Ghahramani, Afshin, Freebairn, David M., Sena, Dipaka R., Cutajar, Justin L. and Silburn, David M.. 2020. "A pragmatic parameterisation and calibration approach to model hydrology and water quality of agricultural landscapes and catchments." Environmental Modelling and Software. 130. https://doi.org/10.1016/j.envsoft.2020.104733
Article Title

A pragmatic parameterisation and calibration approach to model hydrology and water quality of agricultural landscapes and catchments

ERA Journal ID4673
Article CategoryArticle
AuthorsGhahramani, Afshin (Author), Freebairn, David M. (Author), Sena, Dipaka R. (Author), Cutajar, Justin L. (Author) and Silburn, David M. (Author)
Journal TitleEnvironmental Modelling and Software
Journal Citation130
Article Number104733
Number of Pages20
Year2020
PublisherElsevier
Place of PublicationUnited Kingdom
ISSN1364-8152
1873-6726
Digital Object Identifier (DOI)https://doi.org/10.1016/j.envsoft.2020.104733
Web Address (URL)https://www.sciencedirect.com/science/article/pii/S136481521831096X
Abstract

Australian and Queensland Government's Reef 2050 Water Quality Improvement Plan has set targets for improving the water quality entering the Great Barrier Reef lagoon. Given the large public investment and the deficit of data linking on-farm land management to changes in environmental outcomes, there is a need for a robust and efficient methods of quantifying links between land management and water quality. This paper explores a pragmatic approach to making this link using available data. We demonstrate that a simple parameterisation process is suitable for estimating hydrology and water quality across a wide range of land uses and management practices in agricultural landscapes. However, a manually calibrated model may still require the analysis of parameters to reduce error variances and evaluate uncertainties. Confidence in estimating hydrology and water quality in descending order is: runoff, sediment, nitrogen, phosphorous, and pesticide losses, reflecting the availability of data and inherent error propagation.

KeywordsGreat Barrier Reef; hydrological modelling; water quality; HowLeaky; nitrogen; phosphorous; pesticides; PEST; calibration; uncertainty; sensititvity
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020370704. Surface water hydrology
300207. Agricultural systems analysis and modelling
410605. Soil physics
410699. Soil sciences not elsewhere classified
Public Notes

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Byline AffiliationsCentre for Sustainable Agricultural Systems
Centre for Agricultural Engineering
Indian Agricultural Research Institute, India
Hydrobiology, Australia
Institution of OriginUniversity of Southern Queensland
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Peck, Matthew and Ghahramani, Afshin. 2016. "Impact of extreme climatic events on wheat productivity in South-West, Western Australia." Climate Adaptation 2016: Change, Challenge, Opportunity. Adelaide, Australia 05 - 07 Jul 2016 Adelaide, Australia.
Climate change and broadacre livestock production across southern Australia. 3. Adaptation options via livestock genetic improvement
Moore, Andrew D. and Ghahramani, Afshin. 2014. "Climate change and broadacre livestock production across southern Australia. 3. Adaptation options via livestock genetic improvement." Animal Production Science. 54 (2), pp. 111-124. https://doi.org/10.1071/AN13052
Evaluating transformative adaptation options for Australian extensive farming – a cross-transect analyses of systemic adaptations - July 2016 supplementary report
Ghahramani, Afshin, Crimp, Steven, Moore, Andrew, Lau, Rex and Hopwood, Garry. 2016. Evaluating transformative adaptation options for Australian extensive farming – a cross-transect analyses of systemic adaptations - July 2016 supplementary report. Canberra, Australia. CSIRO Publishing.
Effect of ground cover on splash and sheetwash erosion over a steep forested hillslope: a plot-scale study
Ghahramani, Afshin, Ishikawa, Yoshiharu, Gomi, Takashi, Shiraki, Katsushige and Miyata, Shusuke. 2011. "Effect of ground cover on splash and sheetwash erosion over a steep forested hillslope: a plot-scale study." Catena. 85 (1), pp. 34-47. https://doi.org/10.1016/j.catena.2010.11.005
Downslope soil detachment–transport on steep slopes via rain splash
Ghahramani, Afshin, Ishikawa, Yoshiharu, Gomi, Takashi and Miyata, Shusuke. 2011. "Downslope soil detachment–transport on steep slopes via rain splash." Hydrological Processes. 25 (15), pp. 2471-2480. https://doi.org/10.1002/hyp.8086
Climate change and broadacre livestock production across southern Australia. 1. Impacts of climate change on pasture and livestock productivity, and on sustainable levels of profitability
Moore, Andrew and Ghahramani, Afshin. 2013. "Climate change and broadacre livestock production across southern Australia. 1. Impacts of climate change on pasture and livestock productivity, and on sustainable levels of profitability." Global Change Biology. 19 (5), pp. 1440-1455. https://doi.org/10.1111/gcb.12150
Water flux and sediment transport within a forested landscape: the role of connectivity, subsurface flow, and slope length scale on transport mechanism
Ghahramani, Afshin and Ishikawa, Yoshiharu. 2013. "Water flux and sediment transport within a forested landscape: the role of connectivity, subsurface flow, and slope length scale on transport mechanism." Hydrological Processes. 27 (26), pp. 4091-4102. https://doi.org/10.1002/hyp.9791
Sheep greenhouse gas emission intensities under different management practices, climate zones and enterprise types
Cottle, D. J., Harrison, M. T. and Ghahramani, A.. 2016. "Sheep greenhouse gas emission intensities under different management practices, climate zones and enterprise types." Animal Production Science. 56 (3), pp. 507-518. https://doi.org/10.1071/AN15327
Climate change impact and adaptation in temperate grassland and livestock industries
Ghahramani, Afshin and Moore, Andrew D.. 2015. "Climate change impact and adaptation in temperate grassland and livestock industries." 23rd International Grassland Congress: sustainable use of grassland resources for forage production, biodiversity and environmental protection (IGC 2015). New Delhi, India 20 - 24 Nov 2015 Jhansi, India.
Climate change and broadacre livestock production across southern Australia. 2. Adaptation options via grassland management
Ghahramani, Afshin and Moore, Andrew D.. 2013. "Climate change and broadacre livestock production across southern Australia. 2. Adaptation options via grassland management." Crop and Pasture Science. 64 (6), pp. 615-630. https://doi.org/10.1071/CP13195
Systemic adaptations to climate change in southern Australian grasslands and livestock: production, profitability, methane emission and ecosystem function
Ghahramani, Afshin and Moore, Andrew D.. 2015. "Systemic adaptations to climate change in southern Australian grasslands and livestock: production, profitability, methane emission and ecosystem function." Agricultural Systems. 133, pp. 158-166. https://doi.org/10.1016/j.agsy.2014.11.003
The value of adapting to climate change in Australian wheat farm systems: farm to cross-regional scale
Ghahramani, Afshin, Kokic, Philip N., Moore, Andrew D., Zheng, Bangyou, Chapman, Scott C., Howden, Mark S. and Crimp, Steven J.. 2015. "The value of adapting to climate change in Australian wheat farm systems: farm to cross-regional scale." Agriculture, Ecosystems and Environment. 211, pp. 112-125. https://doi.org/10.1016/j.agee.2015.05.011
Impact of climate changes on existing crop-livestock farming systems
Ghahramani, Afshin and Moore, Andrew D.. 2016. "Impact of climate changes on existing crop-livestock farming systems." Agricultural Systems. 146, pp. 142-155. https://doi.org/10.1016/j.agsy.2016.05.011
Deep drainage estimates for irrigated crop rotations in subhumid, subtropical Australia
Kodur, S., Robinson, J. B., Foley, J. L. and Silburn, D. M.. 2014. "Deep drainage estimates for irrigated crop rotations in subhumid, subtropical Australia." Irrigation and Drainage. 63 (5), pp. 692-697. https://doi.org/10.1002/ird.1872
Soil-hydrological responses to rainfall variation in a subtropical Australian landscape
Kodur, S., Robinson, J. B., Foley, J. L. and Silburn, D. M.. 2015. "Soil-hydrological responses to rainfall variation in a subtropical Australian landscape." Irrigation and Drainage. 64 (5), pp. 694-702. https://doi.org/10.1002/ird.1946
Using stable isotopes to identify soil moisture sources of key species in riparian woodlands of the northern Murray-Darling Basin
Reardon-Smith, K. M., Le Brocque, A. F., Hollins, S. and Silburn, D. M.. 2011. "Using stable isotopes to identify soil moisture sources of key species in riparian woodlands of the northern Murray-Darling Basin." 11th Australasian Environmental Isotope Conference. Cairns, Australia 12 - 14 Jul 2011 Adelaide, Australia.
Controlled traffic farming restores soil structure
McHugh, A. D., Tullberg, J. N. and Freebairn, D. M.. 2009. "Controlled traffic farming restores soil structure." Soil and Tillage Research. 104 (1), pp. 164-172. https://doi.org/10.1016/j.still.2008.10.010
The Australian cotton industry and four decades of deep drainage research: a review
Silburn, D. M., Foley, J. L., Biggs, A. J. W., Montgomery, Janelle and Gunawardena, T. A.. 2013. "The Australian cotton industry and four decades of deep drainage research: a review." Crop and Pasture Science. 64 (12), pp. 1049-1075. https://doi.org/10.1071/CP13239
The hydrogeology of the Condamine River alluvial aquifer, Australia: a critical assessment
Dafny, Elad and Silburn, D. Mark. 2014. "The hydrogeology of the Condamine River alluvial aquifer, Australia: a critical assessment." Hydrogeology Journal. 22 (3), pp. 705-727. https://doi.org/10.1007/s10040-013-1075-z
The hydrogeology of the Condamine River alluvial aquifer (Australia) – a critical review
Dafny, Elad and Silburn, Mark D.. 2013. The hydrogeology of the Condamine River alluvial aquifer (Australia) – a critical review. Toowoomba, Australia. University of Southern Queensland.
Testing two simple pesticide runoff models in Northern Australian agriculture
Anzooman, M, Silburn, DM, Waters, D and Craig Ian. 2013. "Testing two simple pesticide runoff models in Northern Australian agriculture ." 20th International Congress on Modelling and Simulation (MODSIM2013). Adelaide, Australia 01 - 06 Dec 2013 Australia. Modelling and Simulation Society of Australia and New Zealand . pp. 3211-3217
Using stable isotopes to identify soil moisture sources of key species in drought-stressed riparian woodlands
Reardon-Smith, Kate, Le Brocque, Andy, Hollins, Suzanne and Silburn, Mark. 2011. "Using stable isotopes to identify soil moisture sources of key species in drought-stressed riparian woodlands." 2011 Conference of the Ecological Society of Australia (ESA 2011). Hobart, Australia 21 - 25 Nov 2011 Australia. Ecological Society of Australia.