SE48 Gas hydrates in nature: results from geophysical and geochemical studies - Poster Session

Convener: Pecher, I.A.
Co-Convener(s): Kukowski, N.
Display Time: Monday, 09:00 - Friday, 12:00
Authors in Attendance: Thursday, 17:00 - 19:00
Poster Area: RHODES - SE

• SE447 SCHOLL, D.W.; HART, P.E.
  Geophysical evidence for dense masses of methane hydrate in the deep Bering Sea basin
• SE448 JAKOBSEN, M.; MINSHULL, T.A.; SINGH, S.C.; HUDSON, J.A.
  Elastic properties of hydrate-bearing sediments from effective medium theories
• SE449 HOBRO, J.W.D.; MINSHULL, T.A.; SINGH, S.C.; SPENCE, G.D.
  Three-dimensional seismic tomographic studies of the methane hydrate stability zone in the Cascadia margin
• SE450 TINIVELLA, U.; ACCAINO, F.; LODOLO, E.
  Reflected and refracted seismic images of the BSR in the south Shetland margin (Antarctic Peninsula)
• SE451 WINTERS, W.; BOOTH, J.; MASON, D.; PECHER, I.; DILLON, W.; DAVIS, R.; RELLE, M.; CLENNELL, B.
  A laboratory system for creating and testing gas hydrates within sediment
• SE452 BOOTH, J.S.; CLENNELL, B.; PECHER, I.A.; WINTERS, W.J.; RELLE, M.K.; DILLON, W.P.
  Laboratory investigation of gas hydrate genesis in sediments: modes of occurence, volumes and growth patterns
• SE453 LORENSON, T.D.; KVENVOLDEN, K.A.; KASTNER, M.; PAULL, C.K.
  Comparison of gas hydrate composition from the Middle America Trench and Blake Ridge
• SE454 NASRIFAR, KH.; MOSHFEGHLAN, M.
  Calculating the incipient of hydrate formation temperatures in solutions containing alcohols and electrolytes
• SE455 HENRYS, S.A.; URUSKI, C.; GIGGENBACH, W.F.; ALLIS, R.
  Squeezing the sponge: gas and fluid along the Hikurangi Margin, North Island, new Zealand
• SE456 KAYEN, R.; SCHOLL, D.; KVENVOLDEN, K.; LEE, H.
  Global change, gas hydrate, and mass wasting of the continental slope
• SE457 VILLINGER, H.; GREVEMEYER, I.; ROSENBERGER, A.; KAUL, N.
  An integrated study of seismic and hydrothermal characteristics on the calthrate bearing sediments of the Makran accretionary wedge off Pakistan
• SE458 GAYANOV, V.G.; CIFCI, G.
  General characteristics of the Black Sea mud volcanoes and gas hydrates "shield" in the eastern Mediterranean Sea
• SE459 GOLUBEV, V.A.
  Evidence of presence of gas hydrates in Lake Baikal bottom sediments, based on in situ measurements of thermal conductivity
• SE460 SOLOVIEV, V.; GINSBURG, G.
  Submarine gas hydrates: mechanism of formation and accumulation
• SE461 BEN-AVRAHAM, Z.; HARTNADYB, C.J.H.; RESHEF, M.
  The occurrence and origin of a bottom-simulating reflector inthe Natal Valley, off-shore southeastern Africa
• SE462 COLWELL, F.S.; DELWICHE, M.; WEINBERG, D.M.
  Biological activity, relative sediment permeability, and seismic events
   

SE48 Gas hydrates in nature: results from geophysical and geochemical studies

Convener: Pecher, I.A.
Co-Convener(s): Kukowski, N.
Friday, 24 April 1998
Lecture Room: R1

Chairperson: Hesse, R.

• 08:30 MATSUMOTO, R.; LU, H.; HIROKI, Y.; WASEDA, A.; BABA, K.; YAGI, M.; FUJII, T.
  Marine gas hydrates and methane rich cold seeps in Nankai Trough, off central Japan (Solicited Paper)
• 09:00 SAKAI, A.
  Broad-band seismic data acquisitions for fine scale imaging and velocity determination associated with BSR
• 09:15 ROUSSEAU, V.; SAKAI, A.; SINGH, S.C.; MINSHULL, T.A.
  Is blanking effect associated with high velocity hydrate bearing sediments above BSR?
• 09:30 POSEWANG, J.; MIENERT, J.; LUKAS, D.
  Double bsrs as indicators for changes in the hydrate stability field on the Norwegian continental margin
• 09:45 MCGEE, T.
  A single-channel seismic reflection method for quantifying lateral variations in BSR reflectivity
• 10:00 PECHER, L.A.; RANERO, C.R.; VON HUENE, R.
  BSRs offshore Costa Rica
• 10:15 VON HUENE, R.; KUKOWSKI, N.; PECHER, I.A.
  Neotectonics and the origins of BSRs along the Peru margin

10:30 BREAK

Chairperson: N.N.

• 11:00 ZATSEPINA, O.Y.; BUFFETT, B.A.
  Two-phase equilibria between hydrate and seawater (Solicited Paper)
• 11:30 HESSE, R.; FRAPE, S.K.; EGEBERG, P.
  Solute transport mechanisms in Blake-Ridge submarine gas-hydrate zone: halogens, chlorine, oxygene and hydrogene isotopes (ODP LEG 164)
• 11:45 PIERRE, C.; ROUCHY, J.M.; GAUDICHET, A.
  Stable isotope composition and mineralogy of the diagenetic carbonates associated with the gas hydrates in the sediments of the Blake Ridge (ODP LEG 164)
• 12:00 WALIA, R.; HANNAY, D.; SPENCE, G.; HYNDMAN, R.; CHAPMAN, R.; MI, Y.
  Deep towed multichannel survey to study the gas hydrates offshore Vancouver island
• 12:15 GANGULY, N.; SPENCE, G.D.; CHAPMAN, N.R.; HYNDMAN, R.D.
  Heat flow variations from bottom simulating reflectors on the Cascardia margin
• 12:30 HANNAY, D.E.; WALIA, R.; CHAPMAN, N.R.
  Analysis of high-resolution deep-two multichannel data from Vancouver Island gas hydrate sites
• 12:45 SCHOLL, D.W.; HART, P.E.
  Geophysical evidence for dense masses of methane hydrate in the deep Bering Sea basin
• 13:00 END OF SESSION