Search Results - "Cresser, M S"

A critical re-evaluation of the prediction of alkalinity and base cation chemistry from BGS sediment composition data by Begum, S., McClean, C.J., Cresser, M.S., Adnan, M., Breward, N.

“…The model of Begum et al. (2010) that predicts alkalinity and Ca and Mg concentrations in river water from available sediment composition data has been…”
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Can sediment data be used to predict alkalinity and base cation chemistry of surface waters? by Begum, S., McClean, C.J., Cresser, M.S., Breward, N.

“…We hypothesise that stream sediment elemental composition can predict mean and minimum concentrations of alkalinity, Ca and Mg in the river water throughout a…”
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Riparian zone influence on stream water chemistry at different spatial scales: a GIS-based modelling approach, an example for the Dee, NE Scotland by Smart, R.P., Soulsby, C., Cresser, M.S., Wade, A.J., Townend, J., Billett, M.F., Langan, S.

“…A geographical information system (GIS-ARC/INFO) was used to collate existing spatial data sets on catchment characteristics to predict stream water quality…”
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Spatial and temporal variation of dissolved organic carbon export from gauged and ungauged watersheds of Dee Valley, Scotland: Effect of land cover and C:N by Aitkenhead-Peterson, J.A, Smart, R.P, Aitkenhead, M.J, Cresser, M.S, McDowell, W.H

“…Dissolved organic carbon (DOC) concentration and export were quantified in 56 streams within the Dee Valley, Scotland. Percentage land cover was calculated for…”
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How important is plant litter to the regulation of mineral-N leaching to streams in winter? An observations-led experimental approach by Riaz, M., Mian, I. A., Cresser, M. S.

“…Ammonium‐N concentrations were frequently observed to exceed nitrate‐N concentrations in an intermittently flowing stream draining acid grassland in North…”
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Evaluation of the use of soil depth and parent material data when predicting soil organic carbon concentration from LOI values by Cresser, M.S., Gonzalez, R.L., Leon, A.

“…A shortage of information on the percentage of organic carbon in soil, especially for soils in lower horizons, makes calculation of soil profile carbon storage…”
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The Influence of Catchment Characteristics on the Seasonality of Carbon and Nitrogen Species Concentrations in Upland Rivers of Northern Scotland by Clark, M. J., Cresser, M. S., Smart, R., Chapman, P. J., Edwards, A. C.

“…Data from 13 catchments with no arable land in Northern Scotland were used to develop empirical linear regression models of average monthly NO3- concentrations…”
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The nitrogen composition of streams in upland Scotland: some regional and seasonal differences by Chapman, P J, Edwards, A C, Cresser, M S

“…The nitrogen (N) composition of streams draining four upland regions of Scotland was compared in samples collected monthly between April 1997 and April 1998…”
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Modelling DOC export from watersheds in Scotland using neural networks by Aitkenhead, M.J., Aitkenhead-Peterson, J.A., McDowell, W.H., Smart, R.P., Cresser, M.S.

“…A wide variety of watershed-scale attributes can be used as predictors of the export of dissolved organic carbon (DOC) from a watershed. However, the…”
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An application of genetic algorithms to the robust estimation of soil organic and mineral fraction densities by Crowe, A.M., McClean, C.J., Cresser, M.S.

“…The development and use of a program that combines genetic algorithms and the least median of squares (LMS) method is reported. The combination of these two…”
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Modelling streamwater quality under varying hydrological conditions at different spatial scales by Wade, Andrew J., Neal, C., Soulsby, C., Smart, R.P., Langan, S.J., Cresser, M.S.

“…A simple and pragmatic technique for modelling streamwater acidity in a major Scottish catchment, the River Dee in Aberdeenshire, is presented. Based on End…”
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Modelling Water Chemistry for a Major Scottish River from Catchment Attributes by Cresser, M. S., Smart, R., Billett, M. F., Soulsby, C., Neal, C., Wade, A., Langan, S., Edwards, A. C.

“…1. The prediction of water quality is increasingly required in river catchment management, but methods are still developmental. We therefore derived empirical…”
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Evaluation of modelled and measured patterns of dissolved oxygen in a freshwater lake as an indicator of the presence of biodegradable organic pollution by Ansa-Asare, O.D., Marr, I.L., Cresser, M.S.

“…Changes in dissolved oxygen (DO) cycling patterns in natural surface waters have been shown to be useful as a potential indicator of biodegradable organic…”
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Spatial and temporal variations in critical loads for rivers in N.E. Scotland: a validation of approaches by White, C.C, Smart, R, Cresser, M.S

“…Previously, critical load maps for UK surface freshwaters have been created by applying the steady state water chemistry model to a spot sample of water from a…”
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Factors regulating the spatial and temporal distribution of solute concentrations in a major river system in NE Scotland by Smart, R.P, Soulsby, C, Neal, C, Wade, A, Cresser, M.S, Billett, M.F, Langan, S.J, Edwards, A.C, Jarvie, H.P, Owen, R

“…The River Dee in NE Scotland, an oligotrophic soft water system, has a catchment area of approx. 2100 km 2, its source in the Cairngorm mountains being approx…”
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Evaluation of cycling patterns of dissolved oxygen in a tropical lake as an indicator of biodegradable organic pollution by Ansa-Asare, O.D., Marr, I.L., Cresser, M.S.

“…Dissolved oxygen cycling patterns in a tropical lake (Weija Lake) were shown to be useful as a potential indicator of biodegradable organic pollution, by…”
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The development of an approach to assess critical loads of acidity for woodland habitats in Great Britain by Langan, S. J., Hall, J., Reynolds, B., Broadmeadow, M., Hornung, M., Cresser, M. S.

“…Alongside other countries that are signatories to the UNECE Convention Long Range Transboundary on Air Pollution, the UK is committed to reducing the impact of…”
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Assessment of the spatial heterogeneity of weathering rates in upland catchments using the sodium dominance index and its significance in integrated catchment management by Smart, R P, Cresser, M S, Dahl, D, Clarke, M J

“…The sodium dominance index was developed to quantify weathering rates and critical loads in Scotland, where atmospheric aerosols of maritime origin dominate…”
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Phosphorus fractions in soil solution: influence of soil acidity and fertiliser additions by Ron Vaz, M.D. (Macaulay Land Use Research Inst., Craigiebuckler, Aberdeen (United Kingdom). Plants Div.), Edwards, A.C, Shand, C.A, Cresser, M.S

“…The influence of soil acidity and phosphorus fertilization on phosphorus fractions and dissolved organic carbon (DOC) in soil solution was quantified…”
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LEAD ISOTOPE RATIOS AS A MEANS OF SOURCING ANTHROPOGENIC LEAD IN ARCHAEOLOGICAL SOILS: A PILOT STUDY OF AN ABANDONED SHETLAND CROFT by WILSON, C. A., BACON, J. R., CRESSER, M. S., DAVIDSON, D. A.

“…Results from soil chemical analysis have demonstrated enhanced concentrations of lead (Pb) associated with archaeological sites. However, interpretation of…”
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