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The global nitrogen cycle









The Royal Society, London, 6-9 Carlton House Terrace, London, SW1Y 5AG


Organised by Professor David Fowler CBE FRS, Professor John Pyle FRS, Professor John Raven FRS and Professor Mark Sutton

This meeting is centered around the current understanding of the global nitrogen cycle and the extent to which it has been modified by human activities. It will consider  processes regulating the sources, transformation in and removal from the atmosphere and their effects on climate, terrestrial and marine ecosystems and human health, and likely trends through this century. 

The proceedings of this meeting are scheduled to be published in a future issue of Philosophical Transactions B.

Event organisers

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Schedule of talks

Session 1

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A chronology of human understanding of the nitrogen cycle 1700 – 2000

Dr James Galloway, University of Virginia, USA

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Processes regulating nitric oxide emissions from soil

Professor Kim Pilegaard, Technical University of Denmark, Denmark

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The NO2 observed from space and the global budget for NO2

Professor John Burrows, University of Bremen, Germany

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Nitrous oxide emissions from soils, current understanding of the processes and modelling

Professor Klaus Butterbach-Bahl, Karlsruhe Institute of Technology, Institute for Meteorology and Climate Research, Germany

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Session 2

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Global emissions of N2O and N2, trends and uncertainties

Dr Lex Bouwman, Netherlands Environmental Assessment Agency (PBL) and Utrecht University, The Netherlands

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Surface atmosphere exchange of ammonia

Professor Mark Sutton, Centre for Ecology and Hydrology (Edinburgh Research Station), UK

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The cycling of organic nitrogen through the atmosphere; process understanding and global significance

Professor Tim Jickells, University of East Anglia, UK

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Nitrogen fixation, process understanding and global quantification

Professor Peter Vitousek, Stanford University, USA

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Session 3

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Removal of gaseous and particulate nitrogen compounds from the atmosphere

Dr Robin Dennis, U.S. Environmental Protection Agency, USA

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Modelling the nitrogen cascade from watershed soils to the sea: from local to regional and global scales

Dr Gilles Billen, CNRS, France

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The marine nitrogen cycle: recent discoveries, uncertainties and response to climate change

Dr Maren Voss, Leibniz-Institut fur Ostseeforschung Warnemuende, Germany

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Ice sheets and nitrogen

Professor Eric Wolff FRS, University of Cambridge, UK

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Session 4

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Nitrogen-Carbon cycle interactions at the global scale

Dr Soenke Zaehle, Max-Planck-Institute for Biogeochemistry, Germany

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Global deposition of fixed nitrogen and trends

Dr Frank Dentener, Joint Research Center, Institute for Environment and Sustainability, Italy

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The global Nitrogen cycle 2010 to 2100 and the role of human activity

Professor David Fowler CBE FRS, Centre for Ecology and Hydrology (Edinburgh Research Station), UK

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Consequences of human modification of the global nitrogen cycle

Professor Jan Willem Erisman, ECN, The Netherlands

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The global nitrogen cycle Scientific discussion meeting organised by Professor David Fowler CBE FRS, Professor John Pyle FRS, Professor John Raven FRS and Professor Mark Sutton. The Royal Society, London 6-9 Carlton House Terrace London SW1Y 5AG UK
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