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Akademický článek

Carbon dioxide fluxes over an ancient broadleaved deciduous woodland in southern England

Autor: M. V. Thomas, Y. Malhi, K. M. Fenn, J. B. Fisher, M. D. Morecroft, C. R. Lloyd, M. E. Taylor, D. D. McNeil

Publikováno v: Biogeosciences, Vol 8, Iss 6, Pp 1595-1613 (2011)

We present results from a study of canopy-atmosphere fluxes of carbon dioxide from 2007 to 2009 above a site in Wytham Woods, an ancient temperate broadleaved deciduous forest in southern England. Gap-filled net ecosystem exchange (NEE) data were par

Externí odkaz: https://doaj.org/article/cdab9920aace405d87f44fe8c7287efe

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Akademický článek

Evaporation characteristics of wetlands: experience from a wetgrassland and a reedbed using eddy correlation measurements

Autor: M. C. Acreman, R. J. Harding, C. R. Lloyd, D. D. McNeil

Publikováno v: Hydrology and Earth System Sciences, Vol 7, Iss 1, Pp 11-21 (2003)

Measurements of evaporation were made from July to November 1999 using the eddy correlation method on two wetland types – wet grassland and reedbeds – in south west England. The evaporative water use of a reed bed exceeded that of the grassland w

Externí odkaz: https://doaj.org/article/63fe7937053843198f7b617195a15252

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Akademický článek

The application of an instrument for non-destructive measurements of soil temperature and resistance profiles at a high Arctic field site

Autor: C. R. Lloyd

Publikováno v: Hydrology and Earth System Sciences, Vol 2, Iss 1, Pp 121-128 (1998)

An easily constructed and installed instrument for measuring colocated soil temperature and resistance profiles is described. Minimum disturbance to the soil structure is achieved. The system indicates the melting front of permafrost at a high Arctic

Externí odkaz: https://doaj.org/article/a8526e92d52847ba888857a3c558e8f4

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Seasonal variations of net CO 2 exchange in European Arctic ecosystems

Autor: C. R. Lloyd, Claus Nordstroem, Terhi K. Laurila, Henrik Soegaard, Juha-Pekka Tuovinen, Mika Aurela

Publikováno v: Theoretical and Applied Climatology. 70:183-201

The carbon dioxide exchange in arctic and subarctic terrestrial ecosystems has been measured using the eddy-covariance method at sites representing the latitudinal and longitudinal extremes of the European Arctic sea areas as part of the Land Arctic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::104a7d66c710680c6a9ffd89df9e1ad8
https://doi.org/10.1007/s007040170014

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On the physical controls of the carbon dioxide balance at a high Arctic site in Svalbard

Autor: C. R. Lloyd

Publikováno v: Theoretical and Applied Climatology. 70:167-182

Current predictions of the effects of climate change indicate that the Arctic may experience a larger than average increase in temperature with consequent changes to the length of the snow-free active summer period, winter snow depth and amount and f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::df9a2f62bbaca723cb1178c82b4a5984
https://doi.org/10.1007/s007040170013

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Surface fluxes of heat and water vapour from sites in the European Arctic

Autor: RJ (Richard) Harding, Mika Aurela, C. R. Lloyd, Thomas Friborg

Publikováno v: Theoretical and Applied Climatology. 70:19-33

Measurements of the surface fluxes of heat and water vapour were taken at four sites across the European Arctic as part of the EU funded LAPP project. The sites cover a range of latitudinal, altitudinal and climatic conditions. The most northerly sit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5e42a63de54d38fb2b29922a63d24622
https://doi.org/10.1007/s007040170003

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Seasonal variation of surface energy balance over two Sahelian surfaces

Autor: Simon Allen, Anne Verhoef, C. R. Lloyd

Publikováno v: International Journal of Climatology. 19:1267-1277

The seasonal variation of the surface energy balance (SEB) (net radiation, soil heat flux, and sensible and latent heat fluxes) for a savanna and an open natural forest (tiger-bush) located in the Sahel is presented. Daily averages of these four flux

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::664063910d68db4706342eccb1146be8
https://doi.org/10.1002/(sici)1097-0088(199909)19:11<1267::aid-joc418>3.0.co

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A comparison of surface fluxes at the HAPEX-Sahel fallow bush sites

Autor: B. Monteny, John Moncrieff, A. J. Dolman, A.D. Culf, Bert G. Heusinkveld, Anne Verhoef, Jan Elbers, F.D. Cropley, P. Bessemoulin, C. R. Lloyd

Publikováno v: Journal of Hydrology 188-189 (1997) 1-4
ResearcherID
HAPEX-Sahel. Amsterdam: Elsevier
HAPEX-Sahel
Journal of Hydrology, 188-189(1-4), 400-425

The variability between surface flux measurements at the fallow sites of the three HAPEX-Sahel supersites is examined over periods of three or four consecutive days. A roving eddy correlation instrument provided a common base for comparison at each s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3d7a15447d476b016559496f984ae8db
https://doi.org/10.1016/s0022-1694(96)03184-8

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In situ microbial detection in Mojave Desert soil using native fluorescence

Autor: Christopher P. McKay, A. G. Duncan, Ronald C. Sims, Patrick L. Neary, Heather D. Smith, C. R. Lloyd, Anne J. Anderson

Publikováno v: Astrobiology. 12(3)

We report on the use of a portable instrument for microbial detection in the Mojave Desert soil and the potential for its use on Mars. The instrument is based on native fluorescence and employs four excitation wavelengths combined with four emission

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7046929f6a6ffdeb33cc9120456e751c
https://pubmed.ncbi.nlm.nih.gov/22352702

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