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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Vabimo vas na 18. predavanje iz sklopa "Kolokviji na IJS" v letu 2011/12, ki bo <strong><span style='color:red'>v sredo, 18. aprila, 2012, ob 13. uri </span></strong><span style='color:red'>v Veliki predavalnici Instituta »Jožef Stefan«</span> na Jamovi cesti 39 v Ljubljani. Napovednik predavanja najdete tudi na naslovu <a href="http://www.ijs.si/ijsw/Koledar_prireditev">http://www.ijs.si/ijsw/Koledar_prireditev</a>, posnetke preteklih predavanj<span style='color:blue'> </span>pa na <a href="http://videolectures.net/kolokviji_ijs">http://videolectures.net/kolokviji_ijs</a>. <o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span style='mso-fareast-language:ZH-CN'>Dr. Alexey Ekaykin<o:p></o:p></span></b></p><p class=MsoNormal><i><span style='mso-fareast-language:ZH-CN'>Arctic and Antarctic Research Institute, <o:p></o:p></span></i></p><p class=MsoNormal><i><span style='mso-fareast-language:ZH-CN'>St. Petersburg, Ruska federacija<o:p></o:p></span></i></p><p class=MsoNormal><i><span style='mso-fareast-language:ZH-CN'><o:p> </o:p></span></i></p><p class=MsoNormal><b><span style='font-size:14.0pt;mso-fareast-language:SL'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt'>Iz preteklosti v sedanjost z vrtanjem ledu <o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:14.0pt'>Zgodovina globokega vrtanja v ledu na antarktični postaji Vostok in raziskave jezera Vostok<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt;text-align:justify'>5. februarja 2012 so izkušeni ruski mojstri vrtanja obrnili nov list v zgodovini raziskav Antarktike, saj jim je v osrčju snežne puščave na ruski postaji Vostok uspel dokončni preboj ledu do tekoče vode jezera, ki je bilo skrito pod 4 km debelo plastjo ledu milijone let. Do tega je vodila dolga pot, polna skrivnosti, tragedij, razočaranj in sreče. V predavanju bo predstavljen pregled ruskih aktivnosti s poudarkom na izvedbi globokega vrtanja v ledu na postaji Vostok in raziskavah podledeniškega jezera Vostok. Izvedeli bomo, kako je bilo jezero odkrito, zakaj ga je pomembno raziskovati, kakšno je obstoječe znanje o njem ter kaj naj bi nam povedali pričakovani rezultati raziskav jezerske vode. Predstavljen bo klimatski zapis preteklih 420.000 let, ki predstavlja glavni dosežek globokega vrtanja v ledu na postaji Vostok. Prikazan bo tudi potek vrtanja med zadnjo poletno ekspedicijo od novembra 2011 do februarja 2012, ki vključuje edinstven trenutek prodora v jezero, doslej še nikoli predstavljen v javnosti.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt;text-align:justify'>Predavanje bo v angleščini.<span lang=SL style='mso-fareast-language:SL'><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><strong><span style='color:red'>Lepo vabljeni!</span></strong><strong><span style='font-weight:normal'><o:p></o:p></span></strong></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal align=center style='text-align:center'>*****<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><span style='font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:EN-US'><br clear=all style='page-break-before:always'></span><p class=MsoNormal style='text-align:justify'>We would like to invite you to 18th lecture of the "Kolokvij na IJS" in the school year 2011/12. The lecture will be held <b>on Wednesday, April 18, 2012, at 1 pm</b> at the <b>JSI main lecture hall</b>, Jamova 39, Ljubljana. The abstract of the lecture can be found on website: <span style='font-size:10.0pt'><a href="http://www.ijs.si/ijsw/Koledar_prireditev"><span style='font-size:12.0pt'>http://www.ijs.si/ijsw/Koledar_prireditev</span></a></span>, the previous recorded lectures can be found on website: <span style='font-size:10.0pt'><a href="http://videolectures.net/kolokviji_ijs"><span style='font-size:12.0pt'>http://videolectures.net/kolokviji_ijs</span></a></span>.<span style='font-size:10.0pt'> </span><o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>********************************************<b><span lang=SL style='mso-fareast-language:ZH-CN'><o:p></o:p></span></b></p><p class=MsoNormal><b><span style='mso-fareast-language:ZH-CN'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='mso-fareast-language:ZH-CN'>Dr. Alexey Ekaykin<o:p></o:p></span></b></p><p class=MsoNormal><i><span style='mso-fareast-language:ZH-CN'>Arctic and Antarctic Research Institute, <o:p></o:p></span></i></p><p class=MsoNormal><i><span style='mso-fareast-language:ZH-CN'>St. Petersburg, Russian Federation<o:p></o:p></span></i></p><p class=MsoNormal><b><span style='font-size:16.0pt;mso-fareast-language:SL'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:16.0pt'>Drilling the Ice from the Past to the Future<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:14.0pt'>The history of deep ice drilling at Antarctic Vostok Station and Lake Vostok exploration<o:p></o:p></span></p><p class=MsoNormal><b><span style='font-size:16.0pt'><o:p> </o:p></span></b></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-align:justify'>On the 5th of February 2012 the hardened hands of drill masters turned a new page of the chronicle of the Antarctic exploration. In the heart of the snow desert at Russian Vostok Station, the head of a boring machine pierced the glacier to touch the water of the huge lake that had been hidden under 4 km of ice for millions of years. A long way led to this event, full of mystery, tragedy, disappointment and luck. An overview of Russian activities with focus on deep ice drilling at Vostok Station and the investigations of the subglacial Lake Vostok will be presented. How the Lake was discovered? Why is it important to explore it? What do we know about the Lake now? What shall we know after penetrating it? These and other questions will be addressed here. In addition, the climatic record over the past 420.000 years, as the main achievement of the Vostok deep ice coring, will be shortly discussed. Finally, the drilling operations that were carried out during the last summer expedition from November 2011 to February 2012 will be shown and some unique materials will be for the first time presented to the public to demonstrate the moment of the penetration to the Lake.<o:p></o:p></p><p class=MsoNormal><b><span style='font-size:14.0pt'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt'>We look forward to meeting you at the “Kolokvij na IJS”!<o:p></o:p></span></b></p><p class=MsoNormal><span lang=SL style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p></div></body></html>