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1  of the spontaneous nucleation and growth of methane hydrate.
2 reenhouse forcing by the carbon derived from methane hydrate.
3 s cause methane to form ice-like crystals of methane hydrate.
4 tudies of sediments related to a decomposing methane hydrate.
5  from surface sedimentary reservoirs such as methane hydrates.
6 ing the destabilization of 2.5 gigatonnes of methane hydrate (about 0.2 per cent of that required to
7                      The stable structure of methane hydrate above 2 GPa, where CH(4) molecules are l
8    Our results demonstrate the potential for methane hydrate accumulation in Antarctic sedimentary ba
9 th the Gulf Stream are rapidly destabilizing methane hydrate along a broad swathe of the North Americ
10 ow that the kinetics of methane release from methane hydrate and CO(2) extracted from flue gas strong
11 he largest effects are dissociation of ocean methane hydrates and thawing permafrost.
12 such as early diagenesis, subsea permafrost, methane hydrates, and underlying thermogenic/ free gas t
13                           Marine deposits of methane hydrate are estimated to be large, amassing abou
14                                      Natural methane hydrates are believed to be the largest source o
15                                              Methane hydrates are ice-like inclusion compounds with i
16                               Permafrost and methane hydrates are large, climate-sensitive old carbon
17                             The structure II methane hydrate at 250 MPa has a cubic unit cell of a =
18 re presented of the spontaneous formation of methane hydrate at a methane/liquid water interface.
19 hat determine the thermodynamic behaviour of methane hydrate at pressures up to 10 GPa.
20 on of seawater can accelerate the melting of methane hydrates at depth from timescales of millennia t
21 plicons, metagenomes, and metaproteomes from methane hydrate-bearing sediments under Hydrate Ridge (o
22  greenhouse gas levels, with dissociation of methane hydrates being the most commonly invoked explana
23 ld replace petroleum, the global reserves of methane hydrate (combustible ice) are estimated to be ap
24 ms involved in the formation/dissociation of methane hydrate confined at the nanometer scale are unra
25 y therefore represent only a fraction of the methane hydrate currently destabilizing globally.
26 herefore, where seafloor fluid expulsion and methane hydrate deposits coincide, the base of the hydra
27  lends strong support to the hypothesis that methane hydrate destabilization contributed to the enigm
28                                              Methane hydrate destabilization is increasingly suspecte
29 sing during post-glacial oceanic overturn or methane hydrate destabilization.
30           Current understanding assumes that methane hydrate dissociates into ice and free methane in
31 nic methane as a result of continental-shelf methane hydrate dissociation has been put forward as a p
32  consistent with emission of >3000 Pg C from methane hydrate dissociation or >4400 Pg C for scenarios
33  rocks were the result of destabilization of methane hydrates during deglaciation and concomitant flo
34  that pressure/temperature conditions favour methane hydrate formation down to sediment depths of abo
35 s provide a means to rationalize and predict methane hydrate formation in any porous media from simpl
36                                              Methane hydrate ([Formula: see text]) is an ice-like sol
37 inement effects on nanopore space, synthetic methane hydrates grow under mild conditions (3.5 MPa and
38                            A large amount of methane hydrate has been found under the seabed, but the
39                                      Natural methane hydrate has often been observed in sand layers t
40                                              Methane hydrates have important industrial and climate i
41 The most compelling criticism of the latter 'methane hydrate' hypothesis has been the apparent lack o
42 n H(2)O or D(2)O channels, is referred to as methane hydrate III (MH-III).
43                       Detailed study of pure methane hydrate in a diamond cell with in situ optical,
44 ards the application of a smart synthesis of methane hydrates in energy-demanding applications (for e
45 pable of predicting the equilibrium state of methane hydrates in saline water solutions.
46  assigned a role as water-ice antifreeze and methane hydrate inhibitor which is thought to contribute
47 gy calculations, phase stability of confined methane hydrate is shown to be restricted to a narrower
48           The self-preservation effect of sI methane hydrate is significant at lower temperatures (26
49                                              Methane hydrate is thought to have been the dominant met
50                    Our results reveal that a methane hydrate IV (MH-IV) structure, where the D(2)O ne
51 sing; (iii) the release of methane stored in methane hydrates; (iv) the decomposition and oxidation o
52 creased area implies that significantly more methane hydrate lies close to being unstable and hence c
53 upport the notion that degassing of biogenic methane hydrate may have been an important factor in alt
54  estimate of 2.5 gigatonnes of destabilizing methane hydrate may therefore represent only a fraction
55     Unprecedentedly, we were able to isolate methane hydrate (MH) nanocrystals with an sI structure e
56               To understand the mechanism of methane hydrate nucleation from supersaturated aqueous s
57           We find that the RTM can reproduce methane hydrate occurrences observed in two different ge
58 llow continental shelves and dissociation of methane hydrate on upper continental slopes.
59 tribution from old carbon reservoirs (marine methane hydrates, permafrost and methane trapped under i
60 ographic data have been used to suggest that methane hydrates play a significant role in global clima
61 s illuminate how selection between competing methane hydrate polymorphs occurs and might generalize t
62 ting changing circulation as the trigger for methane hydrate release.
63 tely 1,050-2,100 Gt of carbon from sea-floor methane hydrate reservoirs.
64 h time and what effect these changes have on methane hydrate stability is unclear.
65 om seismic imaging, in which the base of the methane hydrate stability zone is frequently identifiabl
66          Suggested sources include submarine methane hydrates, terrigenous organic matter, and thermo
67 ure is the thermodynamically stable form for methane hydrate; this is in accord with the results of r
68 and convert hundreds of gigatonnes of frozen methane hydrate trapped below the sea floor into methane
69      Our findings suggest that nucleation of methane hydrates under these realistic conditions cannot
70 ikely to dominate over the known structure I methane hydrate within deep hydrate-bearing sediments un