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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">gesj</journal-id><journal-title-group><journal-title xml:lang="en">GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY</journal-title><trans-title-group xml:lang="ru"><trans-title>GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2071-9388</issn><issn pub-type="epub">2542-1565</issn><publisher><publisher-name>Russian Geographical Society</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24057/2071-9388-2014-7-4-68-79</article-id><article-id custom-type="elpub" pub-id-type="custom">gesj-67</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ENVIRONMENT</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Окружающая среда</subject></subj-group></article-categories><title-group><article-title>NEW PERMAFROST FEATURE – DEP CRATER IN CENTRAL YAMAL (WEST SIBERIA, RUSIA) AS A RESPONSE TO LOCAL CLIMATE FLUCTUATIONS</article-title><trans-title-group xml:lang="ru"><trans-title></trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Leibman</surname><given-names>Marina O.</given-names></name></name-alternatives><email xlink:type="simple">face@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Kizyakov</surname><given-names>Alexander I.</given-names></name></name-alternatives><bio xml:lang="en"><p>Faculty of Geograph</p></bio><email xlink:type="simple">face@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Plekhanov</surname><given-names>Andrei V.</given-names></name></name-alternatives><email xlink:type="simple">face@neicon.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="western" xml:lang="en"><surname>Streletskaya</surname><given-names>Irina D.</given-names></name></name-alternatives><bio xml:lang="en"><p>Faculty of Geograph</p></bio><email xlink:type="simple">irinastrelets@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff xml:lang="en" id="aff-1"><institution>The Earth Cryosphere Institute, Russian Academy of Sciences, Tyumen State Oil and Gas University</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-2"><institution>Lomonosov Moscow State University</institution><country>Russian Federation</country></aff><aff xml:lang="en" id="aff-3"><institution>State Institution “Scientific Center for Arctic study”</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>01</day><month>12</month><year>2014</year></pub-date><volume>7</volume><issue>4</issue><fpage>68</fpage><lpage>79</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Leibman M.O., Kizyakov A.I., Plekhanov A.V., Streletskaya I.D., 2014</copyright-statement><copyright-year>2014</copyright-year><copyright-holder xml:lang="ru">Leibman M.O., Kizyakov A.I., Plekhanov A.V., Streletskaya I.D.</copyright-holder><copyright-holder xml:lang="en">Leibman M.O., Kizyakov A.I., Plekhanov A.V., Streletskaya I.D.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://ges.rgo.ru/jour/article/view/67">https://ges.rgo.ru/jour/article/view/67</self-uri><abstract><p>This paper is based on field data obtained during short visits to a newly formed permafrost feature in a form of relatively narrow, deep crater. Excluding impossible and improbable versions of the crater’s development, the authors conclude that it originated from warmerground temperatures and an increase in unfrozen water content, leading to an increase in pressure from gas emissions from permafrost and ground ice. This conclusion is also supported by known processes in the palaeo-geography of Yamal lakes and recent studies of gas-hydrate behavior and subsea processes in gas-bearing provinces.</p></abstract><kwd-group xml:lang="en"><kwd>Yamal crater</kwd><kwd>tabular ground ice</kwd><kwd>cryopegs</kwd><kwd>gas hydrates</kwd><kwd>climate fluctuations</kwd><kwd>cryolithozone</kwd><kwd>pingo</kwd><kwd>pockmarks</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">A nanieva, G.V. (1997) Specific features of engineering-geological conditions of the northern portion of railway Obskaya-Bovanenkovo. Results of fundamental studies of the Earth cryosphere in Arctic and sub-Arctic. Novosibirsk, Nauka, pp. 116–23 (in Russian).</mixed-citation><mixed-citation xml:lang="en">A nanieva, G.V. (1997) Specific features of engineering-geological conditions of the northern portion of railway Obskaya-Bovanenkovo. Results of fundamental studies of the Earth cryosphere in Arctic and sub-Arctic. Novosibirsk, Nauka, pp. 116–23 (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">A re, F.E. (1998) Problem of deep gases emission into the atmosphere. Kriosfera Zemli (the Earth Cryosphere), II (4), pp. 42–50 (in Russian).</mixed-citation><mixed-citation xml:lang="en">A re, F.E. (1998) Problem of deep gases emission into the atmosphere. Kriosfera Zemli (the Earth Cryosphere), II (4), pp. 42–50 (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Bondarev, V.L., Mirotvorsky, M.Y., Zvereva, V.B., Oblekov, G.I., Shajdullin, R.M. and Gudzenko, V.T. (2008) Gas-chemical characteristics of above-Senoman deposits of Yamal peninsula (case study at Bovanenkovo gas-condensate deposit. Geology, geophisics and development of oil and gas deposits. 5, pp. 22–34 (In Russian).</mixed-citation><mixed-citation xml:lang="en">Bondarev, V.L., Mirotvorsky, M.Y., Zvereva, V.B., Oblekov, G.I., Shajdullin, R.M. and Gudzenko, V.T. (2008) Gas-chemical characteristics of above-Senoman deposits of Yamal peninsula (case study at Bovanenkovo gas-condensate deposit. Geology, geophisics and development of oil and gas deposits. 5, pp. 22–34 (In Russian).</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">C ardyn, R., Clark, I.D., Lacelle, D., Lauriol, B., Zdanowicz, C. and Calmels, F. (2007) Molar gas ratios of air entrapped in ice: A new tool to determine the origin of relict massive ground ice bodies in permafrost. Quaternary Research, 68, pp. 239–48.</mixed-citation><mixed-citation xml:lang="en">C ardyn, R., Clark, I.D., Lacelle, D., Lauriol, B., Zdanowicz, C. and Calmels, F. (2007) Molar gas ratios of air entrapped in ice: A new tool to determine the origin of relict massive ground ice bodies in permafrost. Quaternary Research, 68, pp. 239–48.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">C huvilin, E.M. (Ed.) (2007) Structure and properties of rocks in cryolithozone of the southern part of Bovanenkovo gas-condensate deposit. Moscow, GEOS, 137 p. (in Russian).</mixed-citation><mixed-citation xml:lang="en">C huvilin, E.M. (Ed.) (2007) Structure and properties of rocks in cryolithozone of the southern part of Bovanenkovo gas-condensate deposit. Moscow, GEOS, 137 p. (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Gilichinsky D., Rivkina E. and Samarkin V. (1997) The ancient viable microorganisms and radiative gases in West Beringia Permafrost: Research opportunities for Paleoecological implications and Forecast. In: M. Edwards, A. Sher and D. (Eds), Gutry Terrestrial paleoenvironmental studies in Beringia, Fairbanks, Alaska, pp. 134–45.</mixed-citation><mixed-citation xml:lang="en">Gilichinsky D., Rivkina E. and Samarkin V. (1997) The ancient viable microorganisms and radiative gases in West Beringia Permafrost: Research opportunities for Paleoecological implications and Forecast. In: M. Edwards, A. Sher and D. (Eds), Gutry Terrestrial paleoenvironmental studies in Beringia, Fairbanks, Alaska, pp. 134–45.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Gubarkov, A.A., Leibman, M.O. and Khomutov, A.V. (2012) Cryogenic processes in natural and technogenic conditions of Kharasavey gas field. Transactions of the High School. Oil and Gas, 3, pp. 21–7 (in Russian).</mixed-citation><mixed-citation xml:lang="en">Gubarkov, A.A., Leibman, M.O. and Khomutov, A.V. (2012) Cryogenic processes in natural and technogenic conditions of Kharasavey gas field. Transactions of the High School. Oil and Gas, 3, pp. 21–7 (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Hovland, M. and Judd, A.G. (1988) Seabed Pockmarks and Seepages: Geological Ecologicaland Environmental Implication. Springer</mixed-citation><mixed-citation xml:lang="en">Hovland, M. and Judd, A.G. (1988) Seabed Pockmarks and Seepages: Geological Ecologicaland Environmental Implication. Springer</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Hovland, M., Gardner, J.V. and Judd, A.G. (2002) The significance of pockmarks to understanding fluid flow processes and geohazards. Geofluids, 2, pp. 127–36.</mixed-citation><mixed-citation xml:lang="en">Hovland, M., Gardner, J.V. and Judd, A.G. (2002) The significance of pockmarks to understanding fluid flow processes and geohazards. Geofluids, 2, pp. 127–36.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">H ovland, M. and Judd, A.G. (1992) The global production of methane from shallow submarine sources. Continental Shelf Research, 12 (10), pp. 1231–1238.</mixed-citation><mixed-citation xml:lang="en">H ovland, M. and Judd, A.G. (1992) The global production of methane from shallow submarine sources. Continental Shelf Research, 12 (10), pp. 1231–1238.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">Khomutov, A.V. and Khitun, O.V. (2014) The dynamics of vegetation cover and active layer depth in the typical tundra of Central Yamal under technogenic impact. Tyumen State University Herald, 4. pp. 17–27.</mixed-citation><mixed-citation xml:lang="en">Khomutov, A.V. and Khitun, O.V. (2014) The dynamics of vegetation cover and active layer depth in the typical tundra of Central Yamal under technogenic impact. Tyumen State University Herald, 4. pp. 17–27.</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Kumpula, T., Pajunen, A., Kaarlejärvi, E., Forbes, B.C. and Stammler, F. (2011) Land use and land cover change in Arctic Russia: Ecological and social implications of industrial development. Global Environ. Change, 21 (2), Elsevier, pp. 550–562.</mixed-citation><mixed-citation xml:lang="en">Kumpula, T., Pajunen, A., Kaarlejärvi, E., Forbes, B.C. and Stammler, F. (2011) Land use and land cover change in Arctic Russia: Ecological and social implications of industrial development. Global Environ. Change, 21 (2), Elsevier, pp. 550–562.</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Leibman, M., Khomutov, A. and Kizyakov, A. (2014) Cryogenic landslides in the West- Siberian plain of Russia: classification, mechanisms, and landforms. In: W. Shan et al (Eds.) Landslides in Cold Regions in the Context of Climate Change, Environmental Science and Engineering, Switzerland, Springer International Publishing, pp. 143–162.</mixed-citation><mixed-citation xml:lang="en">Leibman, M., Khomutov, A. and Kizyakov, A. (2014) Cryogenic landslides in the West- Siberian plain of Russia: classification, mechanisms, and landforms. In: W. Shan et al (Eds.) Landslides in Cold Regions in the Context of Climate Change, Environmental Science and Engineering, Switzerland, Springer International Publishing, pp. 143–162.</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Leibman, M.O., Kizyakov, A.I., Lein, A.Yu., Perednya, D.D., Savvichev, A.S. and Vanshtein, B.G. (2011) Sulfur and Carbon Isotopes within Atmospheric, Surface and Ground Water, Snow and Ice as Indicators of the Origin of Tabular Ground Ice in the Russian Arctic. Permafrost and Periglacial Processes, 22 (1), pp. 39–48.</mixed-citation><mixed-citation xml:lang="en">Leibman, M.O., Kizyakov, A.I., Lein, A.Yu., Perednya, D.D., Savvichev, A.S. and Vanshtein, B.G. (2011) Sulfur and Carbon Isotopes within Atmospheric, Surface and Ground Water, Snow and Ice as Indicators of the Origin of Tabular Ground Ice in the Russian Arctic. Permafrost and Periglacial Processes, 22 (1), pp. 39–48.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Leibman M.O., Hubberten H.-W., Lein A.Yu., Streletskaya I.D. and Vanshtein B.G. 2003. Tabular ground ice origin in the arctic coastal zone: cryolithological and isotope-geochemical reconstruction of conditions for its formation. In: M. Phillips, S.M. Springman and L.U. Arenson (Eds.) Proc. of the 8th Int. Conf. on Permafrost, (Zurich, Switzerland, 21–25 July 2003), vol. 1, Lisse, Netherlands: A.A. Balkema Publishers, pp. 645–650.</mixed-citation><mixed-citation xml:lang="en">Leibman M.O., Hubberten H.-W., Lein A.Yu., Streletskaya I.D. and Vanshtein B.G. 2003. Tabular ground ice origin in the arctic coastal zone: cryolithological and isotope-geochemical reconstruction of conditions for its formation. In: M. Phillips, S.M. Springman and L.U. Arenson (Eds.) Proc. of the 8th Int. Conf. on Permafrost, (Zurich, Switzerland, 21–25 July 2003), vol. 1, Lisse, Netherlands: A.A. Balkema Publishers, pp. 645–650.</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">L ein, A.Yu., Savvichev, A.S., Leibman, M.O., Miller, Yu.M. and Pimenov, N.V. (2003) Isotopicbiogeochemical peculiarities of tabular ground ice of Yugorsky and Yamal peninsula. In: M. Phillips, S.M. Springman and L.U. Arenson (Eds.) Proc. of the 8th Int. Conf. on Permafrost (Zurich, Switzerland, 21–25 July 2003), vol. 2, Lisse, Netherlands, A.A. Balkema Publishers, pp. 661–666.</mixed-citation><mixed-citation xml:lang="en">L ein, A.Yu., Savvichev, A.S., Leibman, M.O., Miller, Yu.M. and Pimenov, N.V. (2003) Isotopicbiogeochemical peculiarities of tabular ground ice of Yugorsky and Yamal peninsula. In: M. Phillips, S.M. Springman and L.U. Arenson (Eds.) Proc. of the 8th Int. Conf. on Permafrost (Zurich, Switzerland, 21–25 July 2003), vol. 2, Lisse, Netherlands, A.A. Balkema Publishers, pp. 661–666.</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">M elnikov, V.P., Spesivtsev, V.I. and Kulikov, V.I. (1997) On fluid degassing of hydrocarbons as a source of new ice formation on the Pechora sea shelf. Results of fundamental studies of the Earth cryosphere in Arctic and sub-Arctic, Novosibirsk, Nauka, pp. 259–269 (in Russian).</mixed-citation><mixed-citation xml:lang="en">M elnikov, V.P., Spesivtsev, V.I. and Kulikov, V.I. (1997) On fluid degassing of hydrocarbons as a source of new ice formation on the Pechora sea shelf. Results of fundamental studies of the Earth cryosphere in Arctic and sub-Arctic, Novosibirsk, Nauka, pp. 259–269 (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">M ironyuk, S.G. and Otto, V.P. (2014) Gas-saturated seabed grounds and natural hydrocarbon gassings: regularities of distribution and engineering construction hazards J. Georisk (In press) (In Russian).</mixed-citation><mixed-citation xml:lang="en">M ironyuk, S.G. and Otto, V.P. (2014) Gas-saturated seabed grounds and natural hydrocarbon gassings: regularities of distribution and engineering construction hazards J. Georisk (In press) (In Russian).</mixed-citation></citation-alternatives></ref><ref id="cit19"><label>19</label><citation-alternatives><mixed-citation xml:lang="ru">M uskett, R. and Romanovsky, V.E. (2012) Multi-Satellite-Derived Changes in Energy and Mass of Russian Permafrost Regions. In: K.M. Hinkel (Ed.) Proc. of the 10th Int. Conf. on Permafrost, vol. 1, Salekhard, Russia, The Northern Publisher, pp. 277–282.</mixed-citation><mixed-citation xml:lang="en">M uskett, R. and Romanovsky, V.E. (2012) Multi-Satellite-Derived Changes in Energy and Mass of Russian Permafrost Regions. In: K.M. Hinkel (Ed.) Proc. of the 10th Int. Conf. on Permafrost, vol. 1, Salekhard, Russia, The Northern Publisher, pp. 277–282.</mixed-citation></citation-alternatives></ref><ref id="cit20"><label>20</label><citation-alternatives><mixed-citation xml:lang="ru">Rivkin, F.M. (1997) Results of the study of methane emission along the pipeline Nadym-Punga (North of West Siberia). Results of fundamental studies of the Earth cryosphere in Arctic and sub-Arctic, Novosibirsk, Nauka, pp. 165–168 (in Russian).</mixed-citation><mixed-citation xml:lang="en">Rivkin, F.M. (1997) Results of the study of methane emission along the pipeline Nadym-Punga (North of West Siberia). Results of fundamental studies of the Earth cryosphere in Arctic and sub-Arctic, Novosibirsk, Nauka, pp. 165–168 (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit21"><label>21</label><citation-alternatives><mixed-citation xml:lang="ru">Rivkina, E.M. and Gilichinsky, D.A. (1996) Methane as a palaeoindicator of the origin and dynamics of permafrost. Litologia I poleznye iskopaemye (Lithology and mineral resources), 4, pp. 183–193 (in Russian).</mixed-citation><mixed-citation xml:lang="en">Rivkina, E.M. and Gilichinsky, D.A. (1996) Methane as a palaeoindicator of the origin and dynamics of permafrost. Litologia I poleznye iskopaemye (Lithology and mineral resources), 4, pp. 183–193 (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit22"><label>22</label><citation-alternatives><mixed-citation xml:lang="ru">Rivkina, E.M., Kraev, G.N., Krivushin, K.V., Laurinavichus, K.S., Fedorov-Davydov, D.G., Kholodov, A.L., Shcherbakova, V.A. and Gilichinsky, D.A. (2006) Methane in permafrost of the North-Eastern sector of the Arctic. Kriosfera Zemli (the Earth Cryosphere), X (3), pp. 23–41 (in Russian).</mixed-citation><mixed-citation xml:lang="en">Rivkina, E.M., Kraev, G.N., Krivushin, K.V., Laurinavichus, K.S., Fedorov-Davydov, D.G., Kholodov, A.L., Shcherbakova, V.A. and Gilichinsky, D.A. (2006) Methane in permafrost of the North-Eastern sector of the Arctic. Kriosfera Zemli (the Earth Cryosphere), X (3), pp. 23–41 (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit23"><label>23</label><citation-alternatives><mixed-citation xml:lang="ru">Rokos, S.I. (2009) Gas-saturated deposits of the upper part of Barents-Kara shelf. Candidate of geographic sciences thesis, Murmansk (in Russian).</mixed-citation><mixed-citation xml:lang="en">Rokos, S.I. (2009) Gas-saturated deposits of the upper part of Barents-Kara shelf. Candidate of geographic sciences thesis, Murmansk (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit24"><label>24</label><citation-alternatives><mixed-citation xml:lang="ru">S korobogatov, V.A., Yakuchev, V.S. and Chuvilin, E.M. (1998) Sources of natural gas within permafrost North-West Siberia. Proc. of the 7th Int. Conf. on Permafrost, Yellowknife, Canada, Univ. Laval Collection Nordicana, N55, pp. 1001–1006.</mixed-citation><mixed-citation xml:lang="en">S korobogatov, V.A., Yakuchev, V.S. and Chuvilin, E.M. (1998) Sources of natural gas within permafrost North-West Siberia. Proc. of the 7th Int. Conf. on Permafrost, Yellowknife, Canada, Univ. Laval Collection Nordicana, N55, pp. 1001–1006.</mixed-citation></citation-alternatives></ref><ref id="cit25"><label>25</label><citation-alternatives><mixed-citation xml:lang="ru">S treletskaya, I.D. and Leibman, M.O. (2003) Cryogeochemical model of tabular ground ice and cryopegs formation at central Yamal, Russia. In: M. Phillips, S.M. Springman and L.U. Arenson (Eds.) Proc. of the 8th Int. Conf. on Permafrost (Zurich, Switzerland, 21–25 July 2003) vol. 2, Lisse, Netherlands: A.A. Balkema Publishers, pp. 1111–1115.</mixed-citation><mixed-citation xml:lang="en">S treletskaya, I.D. and Leibman, M.O. (2003) Cryogeochemical model of tabular ground ice and cryopegs formation at central Yamal, Russia. In: M. Phillips, S.M. Springman and L.U. Arenson (Eds.) Proc. of the 8th Int. Conf. on Permafrost (Zurich, Switzerland, 21–25 July 2003) vol. 2, Lisse, Netherlands: A.A. Balkema Publishers, pp. 1111–1115.</mixed-citation></citation-alternatives></ref><ref id="cit26"><label>26</label><citation-alternatives><mixed-citation xml:lang="ru">S treletskaya, I., Vanshtein, B., Vasilev, A. and Oblogov, G. (2014) Methane in the gas bubbles in the ground ice near Marre-Sale polar station, West Yamal, Russian Arctic. Book of Abstracts of EUCOP 4 – 4th European Conf. on Permafrost (Evora, Portugal, 18–21 June 2014), p. 274.</mixed-citation><mixed-citation xml:lang="en">S treletskaya, I., Vanshtein, B., Vasilev, A. and Oblogov, G. (2014) Methane in the gas bubbles in the ground ice near Marre-Sale polar station, West Yamal, Russian Arctic. Book of Abstracts of EUCOP 4 – 4th European Conf. on Permafrost (Evora, Portugal, 18–21 June 2014), p. 274.</mixed-citation></citation-alternatives></ref><ref id="cit27"><label>27</label><citation-alternatives><mixed-citation xml:lang="ru">V anshtein, B.G., Cherkashov, G.A., Piven, P.I. and Leibman, M.O. (2003) Cryogeochemical fields in tabular ground ice as indicators of its origin. In: M. Phillips, S.M. Springman and L.U. Arenson (Eds.) Proc. of the 8th Int. Conf. on Permafrost (Zurich, Switzerland, 21–25 July 2003) vol. 2, Lisse, Netherlands: A.A. Balkema Publishers, pp. 1155–1160.</mixed-citation><mixed-citation xml:lang="en">V anshtein, B.G., Cherkashov, G.A., Piven, P.I. and Leibman, M.O. (2003) Cryogeochemical fields in tabular ground ice as indicators of its origin. In: M. Phillips, S.M. Springman and L.U. Arenson (Eds.) Proc. of the 8th Int. Conf. on Permafrost (Zurich, Switzerland, 21–25 July 2003) vol. 2, Lisse, Netherlands: A.A. Balkema Publishers, pp. 1155–1160.</mixed-citation></citation-alternatives></ref><ref id="cit28"><label>28</label><citation-alternatives><mixed-citation xml:lang="ru">W alker, D.A., Forbes, B.C., Leibman, M.O., Epstein, H.E., Bhatt, U.S., Comiso, J.C., Drozdov, D.S., Gubarkov, A.A., Jia, G.J., Karlejaärvi, E., Kaplan, J.O., Khumutov, A.V., Kofinas, G.P., Kumpula, T., Kuss, P., Moskalenko, N.G., Raynolds, M.K., Romanovsky, V.E., Stammler, F. and Yu, Q. (2011) Cumulative effects of rapid land-cover and land-use changes on the Yamal Peninsula, Russia. In: G. Gutman and A. Reissel (Eds.) Eurasian Arctic Land Cover and Land Use in a Changing Climate, vol. VI, New York, Springer, pp. 206–236.</mixed-citation><mixed-citation xml:lang="en">W alker, D.A., Forbes, B.C., Leibman, M.O., Epstein, H.E., Bhatt, U.S., Comiso, J.C., Drozdov, D.S., Gubarkov, A.A., Jia, G.J., Karlejaärvi, E., Kaplan, J.O., Khumutov, A.V., Kofinas, G.P., Kumpula, T., Kuss, P., Moskalenko, N.G., Raynolds, M.K., Romanovsky, V.E., Stammler, F. and Yu, Q. (2011) Cumulative effects of rapid land-cover and land-use changes on the Yamal Peninsula, Russia. In: G. Gutman and A. Reissel (Eds.) Eurasian Arctic Land Cover and Land Use in a Changing Climate, vol. VI, New York, Springer, pp. 206–236.</mixed-citation></citation-alternatives></ref><ref id="cit29"><label>29</label><citation-alternatives><mixed-citation xml:lang="ru">U chida, T., Takeya, S., Chuvilin, E., Ohmura, R., Nagao, J., Yakushev, V., Istomin, V., Minagawa, H., Ebinuma, T., Narita, H. (2004) Decomposition of methane Hydrates in sand, sandstone, c lays and glass beds // J. Geoth. Res., 109, B05206.</mixed-citation><mixed-citation xml:lang="en">U chida, T., Takeya, S., Chuvilin, E., Ohmura, R., Nagao, J., Yakushev, V., Istomin, V., Minagawa, H., Ebinuma, T., Narita, H. (2004) Decomposition of methane Hydrates in sand, sandstone, c lays and glass beds // J. Geoth. Res., 109, B05206.</mixed-citation></citation-alternatives></ref><ref id="cit30"><label>30</label><citation-alternatives><mixed-citation xml:lang="ru">Y akushev, V.S. (2009) Natural gas and gas hydrates in cryolithozone, Moscow, VNIIGAS, 192 pp. (in Russian).</mixed-citation><mixed-citation xml:lang="en">Y akushev, V.S. (2009) Natural gas and gas hydrates in cryolithozone, Moscow, VNIIGAS, 192 pp. (in Russian).</mixed-citation></citation-alternatives></ref><ref id="cit31"><label>31</label><citation-alternatives><mixed-citation xml:lang="ru">Y akushev, V.S., Perlova, E.V., Makhonina, N.A. (2005) MetasTable (relic) gas hydrates: spreading, resources, prospects and development. Kriosfera Zemli (the Earth Cryosphere), IX (1), pp. 68–72 (in Russian).</mixed-citation><mixed-citation xml:lang="en">Y akushev, V.S., Perlova, E.V., Makhonina, N.A. (2005) MetasTable (relic) gas hydrates: spreading, resources, prospects and development. Kriosfera Zemli (the Earth Cryosphere), IX (1), pp. 68–72 (in Russian).</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
