1 Kvenvolden K A. Gas hydrates as a potential energy resource: A review of their methane content. In: Howell D G, ed. The Future of Energy Gases. Geol Survey Prof Paper US, 1993, 1570: 555-561
[2]
2 Kvenvolden K A. Worldwide distribution of subaquatic gas hydrates. Geo-Mar Lett, 1993, 13: 32-40
6 Tryon M D, Brown K M. Fluid and chemical cycling at Bush Hill: Implications for gas and hydrate-rich environments. Geochem Geophys Geosyst, 2004, 5: 1-7
[7]
7 Macdonald I R, Leifer I, Sassen R, et al. Transfer of hydrocarbons from natural seeps to the water column and atmosphere. Geofluids, 2002, 2: 95-107
[8]
8 Tryon M D, Brown K M, Torres M E. Fluid and chemical flux in and out of sediments hosting methane hydrate deposits on Hydrate Ridge, OR, II: Hydrological processes. Earth Planet Sci Lett, 2002, 201: 541-557
[9]
9 Klaucke I, Weinrebe W, Petersen C J, et al. Temporal variability of gas seeps offshore New Zealand: Multi-frequency eoacoustic imaging of the Wairarapa area, Hikurangi margin. Mar Geol, 2010, 272: 49-58
[10]
10 Bayon G, Birot B, Ruffine L. Evidence for intense REE scavenging at cold seeps from the Niger Delta margin. Earth Planet Sci Lett, 2011, 312: 443-452
12 Charloua J L, Donvala J P, Fouquet Y. Physical and chemical characterization of gas hydrates and associated methane plumes in the Congo-Angola Basin. Chem Geol, 2004, 205: 405-425
[13]
13 Solomon E A, Kastner M, Robertson G, et al. Insights into the dynamics of in situ gas hydrate formation and dissociation at the Bush Hill gas hydrate field, gull of Mexico. In: 5th International Conference on Gas Hydrates 2005 (ICGH 2005). New York: Curran Associates Inc, 2009. 896
[14]
14 Milkov A V, Lee Y J, Borowski W S, et al. Co-existence of gas hydrate, free gas, and brine within the regional gas hydrate stability zone at Hydrate Ridge (Oregon margin): Evidence from prolonged degassing of a pressurized core. Earth Planet Sci Lett, 2004, 222: 829-843
[15]
15 Obzhirov A, Salyuk A, Vereshchagina O, et al. Methane flux and gas hydrate and seismic activity in the Sea of Okhotsk. In: 5th International Conference on Gas Hydrates 2005 (ICGH 2005). New York: Curran Associates Inc, 2009. 911
[16]
16 Greinert J, Artemov Y, Egorov V, et al. 1300-m-high rising bubbles from mud volcanoes at 2080 m in the Black Sea-Hy-droacoustic characteristics and temporal variability. Earth Planet Sci Lett, 2006, 244: 1215
[17]
17 Sauter E J, Muyakshin S I, Charlou J L, et al. Methane discharge from a deep-sea submarine mud volcano into the upper water column by gas hydrate-coated methane bubbles. Earth Planet Sci Lett, 2006, 243: 354-365
[18]
18 Shipboard Scientific Party. Ocean Drilling Program, Leg 204 Preliminary Report, Drilling Gas Hydrates on Hydrate Ridge, Cascadia Continental Margin. 7 July-2 September 2002, Texas A&M University, 1000 Discovery Drive, College Station TX 77845-9547, USA December 2002
[19]
19 Sassen R, Losh S L, Cathles III L, et al. Massive vein-filling gas hydrate: Relation to ongoing gas migration from the deep subsurface in the Gulf of Mexico. Mar Pet Geol, 2001, 18: 551-560
21 Freire A F M, Matsumoto R, Santos L A. Structural-stratigraphic control on the Umitaka Spur gas hydrates of Joetsu Basin in the eastern margin of Japan Sea. Mar Pet Geol, 2011, 28: 1967-1978
[22]
22 Aoyama C, Matsumoto R. Acoustic surveys of methane plumes by Quantitative Echo Sounder in Japan Sea and estimate of the seeping amount of the methane hydrate bubbles. In: Matsumoto R, ed. Methane Hydrate (Part 1): Occurrence, Origin, and Environmental Impact. J Geogr, 2009, 118: 156-174
[23]
23 Matsumoto R. Methane plumes over a marine gas hydrate system in the eastern margin of Japan Sea: A possible mechanism for the transportation of subsurface methane to shallow waters. In: 5th International Conference on Gas Hydrates 2005 (ICGH 2005). New York: Curran Associates Inc, 2009. 1051
[24]
24 Charloua J L, Donvala J P, Zitterd T. Evidence of methane venting and geochemistry of brines on mud volcanoes of the eastern Mediterranean Sea. Deep-Sea Res I, 2003, 50: 941-958
[25]
25 Garcia-Gil S, Vilas F, Garcia-Garcia A. Shallow gas features in incised-valley fills (Ría de Vigo, NW Spain): A case study. Cont Shelf Res, 2002, 22: 2303-2315
[26]
26 Kruglyakova R, Gubanov Y, Kruglyakov V, et al. Assessment of technogenic and natural hydrocarbon supply into the Black Sea and seabed sediments. Cont Shelf Res, 2002, 22: 2395-2407