Search Results - "H. Gash, J."

Global land-surface evaporation estimated from satellite-based observations by Miralles, D. G., Holmes, T. R. H., De Jeu, R. A. M., Gash, J. H., Meesters, A. G. C. A., Dolman, A. J.

“…This paper outlines a new strategy to derive evaporation from satellite observations. The approach uses a variety of satellite-sensor products to estimate…”
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Magnitude and variability of land evaporation and its components at the global scale by Miralles, D. G., De Jeu, R. A. M., Gash, J. H., Holmes, T. R. H., Dolman, A. J.

“…A process-based methodology is applied to estimate land-surface evaporation from multi-satellite information. GLEAM (Global Land-surface Evaporation: the…”
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European carbon balance. Part 4: integration of carbon and other trace-gas fluxes by SCHULZE, E.D, CIAIS, P, LUYSSAERT, S, SCHRUMPF, M, JANSSENS, I.A, THIRUCHITTAMPALAM, B, THELOKE, J, SAURAT, M, BRINGEZU, S, LELIEVELD, J, LOHILA, A, REBMANN, C, JUNG, M, BASTVIKEN, D, ABRIL, G, GRASSI, G, LEIP, A, FREIBAUER, A, KUTSCH, W, DON, A, NIESCHULZE, J, BÖRNER, A, GASH, J.H, DOLMAN, A.J

“…Overviewing the European carbon (C), greenhouse gas (GHG), and non-GHG fluxes, gross primary productivity (GPP) is about 9.3 Pg yr⁻¹, and fossil fuel imports…”
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Seasonal variation of photosynthetic model parameters and leaf area index from global Fluxnet eddy covariance data by Groenendijk, M., Dolman, A. J., Ammann, C., Arneth, A., Cescatti, A., Dragoni, D., Gash, J. H. C., Gianelle, D., Gioli, B., Kiely, G., Knohl, A., Law, B. E., Lund, M., Marcolla, B., van der Molen, M. K., Montagnani, L., Moors, E., Richardson, A. D., Roupsard, O., Verbeeck, H., Wohlfahrt, G.

“…Global vegetation models require the photosynthetic parameters, maximum carboxylation capacity (Vcm), and quantum yield (α) to parameterize their plant…”
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Comparative measurements and seasonal variations in energy and carbon exchange over forest and pasture in South West Amazonia by VON RANDOW, C, MANZI, A. O, CARDOSO, F. L, KABAT, P, KRUIJT, B, DE OLIVEIRA, P. J, ZANCHI, F. B, SILVA, R. L, HODNETT, M. G, GASH, J. H. C, ELBERS, J. A, WATERLOO, M. J

“…Comparative measurements of radiation flux components and turbulent fluxes of energy and CO2 are made at two sites in South West Amazonia: one in a tropical…”
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Rainfall interception by an isolated evergreen oak tree in a Mediterranean savannah by David, T. S., Gash, J. H. C., Valente, F., Pereira, J. S., Ferreira, M. I., David, J. S.

“…Redistribution of ground‐level rainfall and interception loss by an isolated Quercus ilex tree were measured over 2 years in a Mediterranean oak savannah…”
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On the Use of the Term “Evapotranspiration” by Miralles, D. G., Brutsaert, W., Dolman, A. J., Gash, J. H.

“…Evaporation is the phenomenon by which a substance is converted from its liquid into its vapor phase, independently of where it lies in nature. However,…”
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The convective boundary layer over pasture and forest in Amazonia by FISCH, G, TOTA, J, MACHADO, L. A. T, SILVA DIAS, M. A. F, LYRA, R. F. Da F, NOBRE, C. A, DOLMAN, A. J, GASH, J. H. C

“…The coupling between different types of surface (tropical forest or grass) and the Convective Boundary Layer (CBL) has been investigated using observational…”
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note on estimating urban roof runoff with a forest evaporation model by Gash, J.H.C, Rosier, P.T.W, Ragab, R

“…A model developed for estimating the evaporation of rainfall intercepted by forest canopies is applied to estimate measurements of the average runoff from the…”
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A review of rainfall interception modelling by Muzylo, A., Llorens, P., Valente, F., Keizer, J.J., Domingo, F., Gash, J.H.C.

“…This paper is a review of physically-based rainfall interception modelling. Fifteen models were selected, representing distinct concepts of the interception…”
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Regional climate‐model predictions of extreme rainfall for a changing climate by Huntingford, C., Jones, R.G., Prudhomme, C., Lamb, R., Gash, J. H. C., Jones, D. A.

“…Major floods occurred in the United Kingdom during autumn 2000. These were caused by a rapid sequence of heavy rainfall events that occurred over a period of…”
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Impact of climate change on health: what is required of climate modellers? by Huntingford, C., Hemming, D., Gash, J.H.C., Gedney, N., Nuttall, P.A.

“…The potential impacts of climate change on human health are significant, ranging from direct effects such as heat stress and flooding, to indirect influences…”
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Importance of methane and nitrous oxide for Europe's terrestrial greenhouse-gas balance by Schulze, E. D, Luyssaert, S, Ciais, P, Freibauer, A, Janssens, I. A

“…Carbon dioxide uptake by the terrestrial biosphere has the potential to mitigate fossil fuel emissions. Comprehensive estimates of Europe's greenhouse-gas…”
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Rainfall interception modelling: Is the wet bulb approach adequate to estimate mean evaporation rate from wet/saturated canopies in all forest types? by Pereira, F.L., Valente, F., David, J.S., Jackson, N., Minunno, F., Gash, J.H.

“…•Saturated crowns of individual sparse trees behave as wet bulbs.•Evaporation from fully ventilated canopies is well estimated by the wet bulb approach.•When…”
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Average wet canopy evaporation for a Sitka spruce forest derived using the eddy correlation-energy balance technique by van der Tol, C, Gash, J.H.C, Grant, S.J, McNeil, D.D, Robinson, M

“…Hourly measurements of evaporation of intercepted rainfall were made for six months in a Sitka spruce forest in Central Wales (UK) with an eddy-correlation…”
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Assessing parameter variability in a photosynthesis model within and between plant functional types using global Fluxnet eddy covariance data by Groenendijk, M., Dolman, A.J., van der Molen, M.K., Leuning, R., Arneth, A., Delpierre, N., Gash, J.H.C., Lindroth, A., Richardson, A.D., Verbeeck, H., Wohlfahrt, G.

“…▶ Variation of photosynthesis model parameters was derived from Fluxnet data. ▶ The parameters are more variable than assumed in plant functional types (PFTs)…”
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Climatic Effects of Amazonian Deforestation: Some Results from ABRACOS by Gash, J. H. C., Nobre, C. A.

“…This paper reviews the climatological measurements and some of the modeling in the Anglo–Brazilian Amazonian Climate Observational Study (ABRACOS) project. The…”
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Calibration of a land-surface model using data from primary forest sites in Amazonia by HARRIS, P. P, HUNTINGFORD, C, GASH, J. H. C, HODNETT, M. G, COX, P. M, MALHI, Y, ARAUJO, A. C

“…A land-surface model (MOSES) was tested against observed fluxes of heat, water vapour and carbon dioxide for two primary forest sites near Manaus, Brazil. Flux…”
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Modelling interception loss from evergreen oak Mediterranean savannas: Application of a tree-based modelling approach by Pereira, F.L., Gash, J.H.C., David, J.S., David, T.S., Monteiro, P.R., Valente, F.

“…In a previous study, it was shown that an isolated, fully saturated tree-crown behaves like a wet bulb, allowing evaporation of intercepted rainfall to be…”
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Amazonian climate: results and future research by GASH, J. H. C, HUNTINGFORD, C, VON RANDOW, C, SILVA DIAS, M. A, MARENGO, J. A, BETTS, R. A, COX, P. M, FISCH, G, FU, R, GANDU, A. W, HARRIS, P. P, MACHADO, L. A. T

“…Some of the results from the climate component of the Large Scale Biosphere-Atmosphere Experiment in Amazonia (LBA), which are presented in this Special Issue…”
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