Search Results - "Hannah, D.M."

A comparative analysis of ecosystem services valuation approaches for application at the local scale and in data scarce regions by Pandeya, B., Buytaert, W., Zulkafli, Z., Karpouzoglou, T., Mao, F., Hannah, D.M.

“…Despite significant advances in the development of the ecosystem services concept across the science and policy arenas, the valuation of ecosystem services to…”
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Understanding dissolved organic matter dynamics in urban catchments: insights from in situ fluorescence sensor technology by Khamis, K., Bradley, C., Hannah, D.M.

“…Dissolved organic matter (DOM) is critically important for catchment biogeochemical cycling, yet the DOM dynamics of many river systems remain poorly…”
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Evidence needed to manage freshwater ecosystems in a changing climate: Turning adaptation principles into practice by Wilby, R.L., Orr, H., Watts, G., Battarbee, R.W., Berry, P.M., Chadd, R., Dugdale, S.J., Dunbar, M.J., Elliott, J.A., Extence, C., Hannah, D.M., Holmes, N., Johnson, A.C., Knights, B., Milner, N.J., Ormerod, S.J., Solomon, D., Timlett, R., Whitehead, P.J., Wood, P.J.

“…It is widely accepted that climate change poses severe threats to freshwater ecosystems. Here we examine the scientific basis for adaptively managing…”
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Using tracers to upscale flow path understanding in mesoscale mountainous catchments: two examples from Scotland by Soulsby, C., Rodgers, P.J., Petry, J., Hannah, D.M., Malcolm, I.A., Dunn, S.M.

“…Natural geochemical tracers were monitored over a hydrological year in the Feshie (231 km 2) and Feugh (233 km 2) catchments in the Cairngorm Mountains,…”
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Wood storage within the active zone of a large European gravel-bed river by Gurnell, A.M., Petts, G.E., Hannah, D.M., Smith, B.P.G., Edwards, P.J., Kollmann, J., Ward, J.V., Tockner, K.

“…Wood storage within the active zone of the dynamic, gravel-bed, Fiume Tagliamento, Italy, was investigated at eight sites along the river's main stem. The…”
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Multi-year climate memory in shallow lake water levels by Leader, S., Kettridge, N., Hannah, D.M., Mendoza, C., Devito, K.J.

“…•Landscape memory is crucial to project lake water levels in the Boreal Plain.•Measurement & analysis of lake water levels in 26 Boreal Plain lakes over two…”
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High frequency fluorescence monitoring reveals new insights into organic matter dynamics of an urban river, Birmingham, UK by Khamis, K., Bradley, C., Hannah, D.M.

“…Natural organic matter (NOM) is fundamental to many biogeochemical processes in river ecosystems. Currently, however, we have limited knowledge of NOM dynamics…”
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Glacier shrinkage driving global changes in downstream systems by Milner, Alexander M., Khamis, Kieran, Battin, Tom J., Brittain, John E., Barrand, Nicholas E., Füreder, Leopold, Cauvy-Fraunié, Sophie, Gíslason, Gísli Már, Jacobsen, Dean, Hannah, David M., Hodson, Andrew J., Hood, Eran, Lencioni, Valeria, Ólafsson, Jón S., Robinson, Christopher T., Tranter, Martyn, Brown, Lee E.

“…Glaciers cover ∼10% of the Earth’s land surface, but they are shrinking rapidly across most parts of the world, leading to cascading impacts on downstream…”
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Large-scale river flow archives: importance, current status and future needs by Hannah, David M., Demuth, Siegfried, van Lanen, Henny A. J., Looser, Ulrich, Prudhomme, Christel, Rees, Gwyn, Stahl, Kerstin, Tallaksen, Lena M.

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Multi-time-scale hydroclimate dynamics of a regional watershed and links to large-scale atmospheric circulation: Application to the Seine river catchment, France by Massei, N., Dieppois, B., Hannah, D.M., Lavers, D.A., Fossa, M., Laignel, B., Debret, M.

“…•Links between Sea Level Pressure and precipitation or streamflow were studied on Seine.•Links were investigated from high- to low-frequency components of the…”
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Managed aquifer recharge as a drought mitigation strategy in heavily-stressed aquifers by Wendt, D E, Van Loon, A F, Scanlon, B R, Hannah, D M

“…Increasing meteorological drought frequency and rising water demand drive groundwater exploitation beyond sustainable limits. In heavily-stressed aquifers…”
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Long-term river invertebrate community responses to groundwater and surface water management operations by White, J.C., Fornaroli, R., Hill, M.J., Hannah, D.M., House, A., Colley, I., Perkins, M., Wood, P.J.

“…•Long-term biomonitoring data was combined with regional groundwater model outputs•Anthropogenic flow alterations yielded non-significant ecological effects in…”
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The use of invertebrates as indicators of environmental change in alpine rivers and lakes by Khamis, K., Hannah, D.M., Brown, L.E., Tiberti, R., Milner, A.M.

“…In alpine regions climatic change will alter the balance between water sources (rainfall, ice-melt, snowmelt, and groundwater) for aquatic systems,…”
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In situ tryptophan-like fluorometers: assessing turbidity and temperature effects for freshwater applications by Khamis, K, Sorensen, J P R, Bradley, C, Hannah, D M, Lapworth, D J, Stevens, R

“…Tryptophan-like fluorescence (TLF) is an indicator of human influence on water quality as TLF peaks are associated with the input of labile organic carbon…”
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Citizen Science for Water Resources Management: Toward Polycentric Monitoring and Governance? by Buytaert, Wouter, Dewulf, Art, De Bièvre, Bert, Clark, Julian, Hannah, David M

“…Novel and more affordable technologies are allowing new actors to engage increasingly in the monitoring of hydrological systems and the assessment of water…”
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Environmental Virtual Observatories (EVOs): prospects for knowledge co-creation and resilience in the Information Age by Karpouzoglou, Timothy, Zulkafli, Zed, Grainger, Sam, Dewulf, Art, Buytaert, Wouter, Hannah, David M

“…•Technology is creating opportunities for knowledge co-creation and resilience.•First generation EVOs were designed for scientific audiences.•Second generation…”
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Mesocosm experiments reveal the direction of groundwater–surface water exchange alters the hyporheic refuge capacity under warming scenarios by Folegot, Silvia, Krause, Stefan, Mons, Raphael, Hannah, David M., Datry, Thibault

“…Climate change is expected to affect hydrologic and thermal regimes of river ecosystems. During dry periods when river flows decrease and water temperatures…”
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Future hydrological extremes: the uncertainty from multiple global climate and global hydrological models by Giuntoli, I, Vidal, J.-P, Prudhomme, C, Hannah, D. M

“…Projections of changes in the hydrological cycle from global hydrological models (GHMs) driven by global climate models (GCMs) are critical for understanding…”
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Alpine aquatic ecosystem conservation policy in a changing climate by Khamis, K., Hannah, D.M., Clarvis, M. Hill, Brown, L.E., Castella, E., Milner, A.M.

“…•We assess current conservation and climate change adaptation principles in the context of alpine aquatic environments.•Case studies from the European Alps and…”
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Exploring Tracer Information and Model Framework Trade‐Offs to Improve Estimation of Stream Transient Storage Processes by Kelleher, Christa, Ward, Adam, Knapp, J. L. A., Blaen, P. J., Kurz, M. J., Drummond, J. D., Zarnetske, J. P., Hannah, D. M., Mendoza‐Lera, C., Schmadel, N. M., Datry, T., Lewandowski, J., Milner, A. M., Krause, S.

“…Novel observation techniques (e.g., smart tracers) for characterizing coupled hydrological and biogeochemical processes are improving understanding of stream…”
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