Search Results - "Ireson, Andrew M."

An improved model and field calibration technique for measuring liquid water content in unfrozen and frozen soils with dielectric probes by Amankwah, Seth K., Ireson, Andrew M., Brannen, Rosa

“…Dielectric soil moisture probes can be used to obtain frequently logged field observations of volumetric water content, but because this is an indirect method,…”
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Wet–dry cycles influence methylmercury concentrations in water in seasonal prairie wetland ponds by Hall, Britt D., Liu, Sichen, Hoggarth, Cameron G.J., Bates, Lara M., Boczulak, Stacy A., Schmidt, Jamie D., Ireson, Andrew M.

“…Methylmercury concentrations [MeHg] in whole water were measured in 28 prairie wetland ponds in central Saskatchewan between 2006 and 2012. Ponds fell into…”
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Controls on evapotranspiration from jack pine forests in the Boreal Plains Ecozone by Nazarbakhsh, Mahtab, Ireson, Andrew M., Barr, Alan G.

“…The exchanges of water, energy and carbon between the land surface and the atmosphere are tightly coupled, so that errors in simulating evapotranspiration lead…”
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On the optimal level of complexity for the representation of groundwater-dependent wetland systems in land surface models by Elrashidy, Mennatullah T, Ireson, Andrew M, Razavi, Saman

“…Wetland systems are among the largest stores of carbon on the planet, the most biologically diverse of all ecosystems, and dominant controls on the hydrologic…”
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Impact of bimodal textural heterogeneity and connectivity on flow and transport through unsaturated mine waste rock by Appels, Willemijn M., Ireson, Andrew M., Barbour, S. Lee

“…•Methodology for creating geometric connectivity for unsaturated flow & transport with multiple point statistics.•Preferential flow and zone isolation can…”
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Using observed soil moisture to constrain the uncertainty of simulated hydrological fluxes by Ireson, Andrew M., Sanchez‐Rodriguez, Ines, Basnet, Sujan, Brauner, Haley, Bobenic, Talia, Brannen, Rosa, Elrashidy, Mennatullah, Braaten, Morgan, Amankwah, Seth K., Barr, Alan

“…Using data from five long‐term field sites measuring soil moisture, we show the limitations of using soil moisture observations alone to constrain modelled…”
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Estimating field-scale root zone soil moisture using the cosmic-ray neutron probe by Peterson, Amber M, Helgason, Warren D, Ireson, Andrew M

“…Many practical hydrological, meteorological, and agricultural management problems require estimates of soil moisture with an areal footprint equivalent to…”
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Ephemeral Ponds: Are They the Dominant Source of Depression‐Focused Groundwater Recharge? by Bam, Edward K. P., Ireson, Andrew M., Kamp, Garth, Hendry, Jim M.

“…Depression‐focused recharge is a concept proposed to explain groundwater recharge in the prairie regions of North America. Topographic depressions in this…”
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Advances in modelling large river basins in cold regions with Modélisation Environmentale Communautaire—Surface and Hydrology (MESH), the Canadian hydrological land surface scheme by Wheater, Howard S., Pomeroy, John W., Pietroniro, Alain, Davison, Bruce, Elshamy, Mohamed, Yassin, Fuad, Rokaya, Prabin, Fayad, Abbas, Tesemma, Zelalem, Princz, Daniel, Loukili, Youssef, DeBeer, Chris M., Ireson, Andrew M., Razavi, Saman, Lindenschmidt, Karl‐Erich, Elshorbagy, Amin, MacDonald, Matthew, Abdelhamed, Mohamed, Haghnegahdar, Amin, Bahrami, Ala

“…Cold regions provide water resources for half the global population yet face rapid change. Their hydrology is dominated by snow, ice and frozen soils, and…”
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A simple, efficient, mass-conservative approach to solving Richards' equation (openRE, v1.0) by Ireson, Andrew M, Spiteri, Raymond J, Clark, Martyn P, Mathias, Simon A

“…A simple numerical solution procedure – namely the method of lines combined with an off-the-shelf ordinary differential equation (ODE) solver – was shown in…”
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Meteorological, soil moisture, surface water, and groundwater data from the St. Denis National Wildlife Area, Saskatchewan, Canada by Bam, Edward K. P, Brannen, Rosa, Budhathoki, Sujata, Ireson, Andrew M, Spence, Chris, van der Kamp, Garth

“…The St. Denis National Wildlife Area is located in the seasonally frozen and semi-arid Canadian Prairies, close to Saskatoon, Saskatchewan. The site has a…”
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Water Vapor Transport in Soils from a Pervaporative Irrigation System by Todman, Lindsay C, Ireson, Andrew M, Butler, Adrian P, Templeton, Michael R

“…AbstractA novel method for irrigation with saline water uses a polymer membrane, formed into a tube, to treat and distribute the water simultaneously. The flux…”
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Quantifying the wetland water balance: A new isotope-based approach that includes precipitation and infiltration by Bam, Edward K.P., Ireson, Andrew M.

“…•Water balance of wetland ponds is controlled by interactions with the subsurface.•Pond interactions with subsurface can be determined without groundwater…”
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Hydrogeological processes in seasonally frozen northern latitudes: understanding, gaps and challenges by Ireson, A. M., van der Kamp, G., Ferguson, G., Nachshon, U., Wheater, H. S.

“…The groundwater regime in seasonally frozen regions of the world exhibits distinct behavior. This paper presents an overview of flow and associated heat and…”
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Summary and synthesis of Changing Cold Regions Network (CCRN) research in the interior of western Canada – Part 2: Future change in cryosphere, vegetation, and hydrology by DeBeer, Chris M, Wheater, Howard S, Pomeroy, John W, Barr, Alan G, Baltzer, Jennifer L, Johnstone, Jill F, Turetsky, Merritt R, Stewart, Ronald E, Hayashi, Masaki, van der Kamp, Garth, Marshall, Shawn, Campbell, Elizabeth, Marsh, Philip, Carey, Sean K, Quinton, William L, Li, Yanping, Razavi, Saman, Berg, Aaron, McDonnell, Jeffrey J, Spence, Christopher, Helgason, Warren D, Ireson, Andrew M, Black, T. Andrew, Elshamy, Mohamed, Yassin, Fuad, Davison, Bruce, Howard, Allan, Thériault, Julie M, Shook, Kevin, Demuth, Michael N, Pietroniro, Alain

“…The interior of western Canada, like many similar cold mid- to high-latitude regions worldwide, is undergoing extensive and rapid climate and environmental…”
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An Efficient Calibration Technique for Heat Dissipation Matric Water Potential Sensors by Pan, Xicai, Ireson, Andrew M., Helgason, Warren, Pan Chun, Kwok

“…Heat dissipation sensors are used to measure matric potential in soils. A van Genuchten equation can be used to fit the relationship between measured heat…”
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Hydrological processes in the Chalk unsaturated zone – Insights from an intensive field monitoring programme by Ireson, A.M., Wheater, H.S., Butler, A.P., Mathias, S.A., Finch, J., Cooper, J.D.

“…As part of the NERC lowland catchment research programme (LOCAR), the Pang-Lambourn catchments (Berkshire, UK) have been extensively instrumented to provide an…”
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