Zobrazeno 1 - 10
of 54
pro vyhledávání: '"John B Hunt"'
Publikováno v:
Biosystems Engineering
RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
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RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
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[EN] Low frequency aeration of slurries may reduce ammonia (NH3) and methane (CH4) emissions without increasing nitrous oxide (N2O) emissions. The aim of this study was to quantify this potential reduction and to establish the underlying mechanisms.
Autor:
Antonio Rafael Sánchez-Rodríguez, John B Hunt, Rory Shaw, Dave Chadwick, Alison Carswell, Joseph Cotton, Davey L. Jones, Karen Saunders, Tom Misselbrook
Publikováno v:
Frontiers in Sustainable Food Systems. 2
The anaerobic digestion of food waste converts waste products into ‘green’ energy. Additionally, the secondary product from this process is a nutrient-rich digestate, which could provide a viable alternative to synthetically-produced fertilisers.
Autor:
Alison Carswell, Davey L. Jones, Antonio Rafael Sánchez-Rodríguez, Rory Shaw, Joseph Cotton, Paul W. Hill, Tom Misselbrook, John B Hunt, Dave Chadwick, Karen Saunders
Fertiliser nitrogen (N) is essential for maintaining agronomic outputs for our growing population. However, the societal, economic and environmental impacts of excess reactive N from fertiliser is rarely assessed. Here the agronomic, economic and env
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07bc6f11e391f2362fb041caf34be2aa
Autor:
Andrea Caburlotto, Claus-Dieter Hillenbrand, Steven Grahame Moreton, Hannes Grobe, Sara Benetti, John B Hunt, Robert D Larter, Renata G. Lucchi, John L. Smellie, Carol J. Pudsey
Publikováno v:
Quaternary Science Reviews. 27:518-540
Three megascopic and disseminated tephra layers (which we refer to as layers A, B, and C) occur in late Quaternary glaciomarine sediments deposited on the West Antarctic continental margin. The stratigraphical positions of the distal tephra layers in
Autor:
Fraser J.G. Mitchell, Kaarina Sarmaja-Korjonen, Sue Bartlett, Frank M. Chambers, Jukka Laine, Antony Blundell, Edgar Karofeld, Bettina S. Stefanini, Heiki Seppä, Dan J. Charman, Richard P. Evershed, Eeva-Stiina Tuittila, Erin L McClymont, Johannes van der Plicht, Maarten Blaauw, John R.G. Daniell, Richard D. Pancost, Carole Bégeot, Pirita Oksanen, Hansjörg Kuester, John B Hunt, Dan Yeloff, Atte Korhola, Michel Magny, Ülle Sillasoo, Mareike Steffens, Bas van Geel, Minna Väliranta, Jukka Alm, Dmitri Mauquoy
Publikováno v:
Journal of Quaternary Science, 22(3), 209-221. Wiley
Proxy climate data can be obtained from reconstructions of hydrological changes on ombrotrophic (rain-fed) peatlands using biological indicators, such as testate amoebae. Reconstruc- tions are based on transfer functions, relating modern assemblage c
Publikováno v:
The Holocene. 14:703-720
Twelve definable cryptotephra layers younger than c. 8600cal. BP are reported from lacustrine core material taken from An Loch Mór, Inis Oírr, Aran Islands, western Ireland. The geochemistry of these shard layers, which represent more Holocene teph
Autor:
John B Hunt
Publikováno v:
Journal of Quaternary Science. 19:121-136
Wavelength dispersive (WDS) electron microprobe analysis of glass shards recovered from Pleistocene sediments at Ocean Drilling Program Hole 907A (Leg 151) has been used to define key Pleistocene tephrochronostratigraphical markers for the Greenland
Publikováno v:
Journal of Quaternary Science. 19:137-146
Rhyolitic tephra with the geochemical characteristics of North Atlantic Ash Zone (NAAZ) II are described from the giant piston core MD95-2006 from the northeast Atlantic Ocean. Shard size distribution indicates that the tephra represent a wind-sorted
Publikováno v:
Journal of Petrology. 44:1211-1236
The enrichment of boron relative to similarly incompatible elements, such as Be, in arc volcanic rocks has been used as a proxy for the involvement of slab flux in petrogenesis. New ion microprobe analyses of single glass shards in tephra layers reco
Publikováno v:
Applied Geography. 22:271-305
This paper evaluates the inherent exposure of caravan parks on floodplains to flood risk and the vulnerability of residents in the aftermath of the April 1998 floods in the Midlands, UK. It considers flood warning dissemination and response, flood im