Search Results - "Simmonds, Lester P."

Occurrence of Cryptosporidium Oocysts in Leisure Pools in the UK, 2017, and Modelling of Oocyst Contamination Events by Chalmers, Rachel M., Simmonds, Lester P., Wood, Martin, Luxford, Megan, Miller, Rob, Johnston, Rob

“…Cryptosporidium is a major cause of diarrhoea outbreaks linked to swimming pools, but little is known about the frequency of contamination. The primary aim was…”
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Revisiting the Gage–Bidwell Law of Dilution in Relation to the Effectiveness of Swimming Pool Filtration and the Risk to Swimming Pool Users from Cryptosporidium by Simmonds, Lester P., Simmonds, Guy E., Wood, Martin, Marjoribanks, Tim I., Amburgey, James E.

“…The transfer of water from a swimming pool to the treatment location is key in determining the effectiveness of water treatment by filtration in removing…”
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Two-year global simulation of L-band brightness temperatures over land by Pellarin, T., Wigneron, J.-P., Calvet, J.-C., Berger, M., Douville, H., Ferrazzoli, P., Kerr, Y.H., Lopez-Baeza, E., Pulliainen, J., Simmonds, L.P., Waldteufel, P.

“…This letter presents a synthetic L-band (1.4 GHz) multiangular brightness temperature dataset over land surfaces that was simulated at a half-degree resolution…”
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Estimation of transpiration by single trees: comparison of sap flow measurements with a combination equation by Zhang, Heping, Simmonds, Lester P., Morison, James I.l., Payne, Donald

“…Sap flow estimates for whole trees (scaled from measurements on selected branches using the heat balance method) were compared with estimates of transpiration…”
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Transpiration and water relations of poplar trees growing close to the water table by Zhang, H, Morison, J.I.L, Simmonds, L.P

“…Sap flow was measured on five branches of two poplar (Populus trichocarpa Torr. & A. Gray x P. tacamahaca L.) trees from June to September 1994 in the south of…”
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Calibrating a soil water and energy budget model with remotely sensed data to obtain quantitative information about the soil by Burke, Eleanor J., Gurney, Robert J., Simmonds, Lester P., Jackson, Thomas J.

“…A soil water energy and transpiration model (SWEAT) coupled with a microwave emission model (MICRO‐SWEAT) was used to predict the microwave brightness…”
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Occurrence of ICryptosporidium/I Oocysts in Leisure Pools in the UK, 2017, and Modelling of Oocyst Contamination Events by Chalmers, Rachel M, Simmonds, Lester P, Wood, Ma, Luxford, Megan, Miller, Rob, Johnston, Rob

“…Cryptosporidium is a major cause of diarrhoea outbreaks linked to swimming pools, but little is known about the frequency of contamination. The primary aim was…”
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Soil Type, Climatic Regime, and the Response of Water Use Efficiency to Crop Management by Gregory, Peter J., Simmonds, Lester P., Pilbeam, Colin J.

“…In many rainfed regions of the world, only a small fraction of the total water available for crop production is transpired and water use efficiency (WUE) is…”
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Dry season water use patterns underGuiera senegalensisL. shrubs in a tropical savanna by Gaze, Stephen R, Brouwer, Joost, Simmonds, Lester P, Bromley, John

“…The extent of rooting and the water use ofGuiera senegalensisbushes at a fallow savanna site in south-west Niger were investigated. Low root length densities…”
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Including the heat storage term in sap flow measurements with the stem heat balance method by Grime, Vikki L., Morison, James I.L., Simmonds, Lester P.

“…The importance of the change in stem temperature and therefore the heat storage term in the stem heat balance method of measuring sap flow is examined. Results…”
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Dry season water use patterns under Guiera senegalensis L. shrubs in a tropical savanna by GAZE, S. R, BROUWER, J, SIMMONDS, L. P, BROMLEY, J

“…The extent of rooting and the water use of Guiera senegalensis bushes at a fallow savanna site in south-west Niger were investigated. Low root length densities…”
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Sap flow measurements from stem heat balances: a comparison of constant with variable power methods by Grime, Vikki L., Morison, James I.L., Simmonds, Lester P.

“…Two methods of sap flow measurement using the stem surface heat balance approach were compared: the variable power (VP) and constant power (CP) methods…”
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