British Geological Survey

We present results from a study designed to investigate how the global methane hydrate reservoir has changed through the last glacial-interglacial cycle. Bottom water conditions are derived from a series of long-integration snapshot-type HadCM3 GCM experiments that cover the last 120 kyr. We use thi...

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Bibliographic Details
Main Authors: Stephen Hunter, Alan Haywood, Leeds Ls Jt, Denis Goldobin, Nikolai Brilliantov, Jeremy Levesley, Leicester Le Rh, John Rees, Peter Jackson, Chris Rochelle, Mike Lovell, Nottingham Ng Gg, Andy Ridgwell
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Subjects:
methane hydrates
submarine hydrates
HadCM3
transient model
Methane hydrate
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.459.8135
http://www.leicestermath.org.uk/GeoMath/pdf-files/publ2011/2011-icgh2011Final00780.pdf
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Summary:We present results from a study designed to investigate how the global methane hydrate reservoir has changed through the last glacial-interglacial cycle. Bottom water conditions are derived from a series of long-integration snapshot-type HadCM3 GCM experiments that cover the last 120 kyr. We use this dataset to drive a 1D transient hydrate model. We first evaluate the model using sensitivity experiments against a number of hydrate bearing ODP/DSDP sites. We then explore potential initial and final steady-state inventories using Pliocene and modern boundary conditions and compare to previous studies. We then investigate how the potential volume of submarine hydrate has evolved from initial Pliocene conditions through a series of pseudo glacial cycle. We find that the potential volume increases from 7.3 × 10 6 km 3 during the Pliocene to between 7.95

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