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TZUNTIL:20151025T010000Z
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DTSTART:20131027T030000
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RDATE:20141026T030000
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BEGIN:VEVENT
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DTSTAMP:20260404T071455Z
DESCRIPTION:Hydrological processes on the Tibetan Plateau\, the so-called “
 Water Tower of Asia”\, are directly influencing the lives of millions of p
 eople in adjacent regions since the Tibetan Plateau feeds the seven major 
 rivers of Asia providing freshwater to a large portion of the population. 
 In addition to that\, these rivers provide sediments for megadeltas repres
 enting both\, fertile farmland and home to millions of people. Climate Cha
 nge has strongly affected and will further affect the progradation and ret
 reat of these megadeltas fed by rivers originating from the Tibetan Platea
 u.\nVery rapid lake level changes reflect hydrological variations which se
 em to have occurred rather simultaneously at various sites on the Tibetan 
 Plateau. One major shift occurred about 2000 years ago. This observation i
 s probably linked to a shift in the precipitation regime and hence to a ch
 ange in the monsoon system which in turn influences the above mentioned wa
 ter supply. This major shift to a weak monsoon and hence to drier conditio
 ns can be detected on large parts of the Tibetan Plateau. Clear co-variati
 ons with ENSO and a potential socio-cultural impact on the migration decis
 ion of the Romani population at the same time can be observed. Although\, 
 recent observations indicate a lake level rise in many lakes on the Tibeta
 n Plateau and hence more moisture a similar shift to drier conditions toda
 y would be harmful to large portions of the world’s population.\nBased on 
 this Late Holocene interpretation of various proxies an exceptional sedime
 ntary record continuously spanning the past 24\,000 years from Lake Nam Co
  will also be presented. During this time span extreme hydrological variat
 ions can be observed on the Tibetan Plateau partly responsible for lake le
 vels of up to 200 m above the recent ones. Additionally\, the post Glacial
  intensification of the monsoon as well as major shifts in the regional at
 mospheric circulation systems and their global teleconnections can be trac
 ed.\n***\nInvited by Michael Zech\, Geomorphology
DTSTART;TZID=Europe/Berlin:20140410T000000
DTEND;TZID=Europe/Berlin:20140410T235959
SUMMARY:Dr. Thorsten Haberzettl\, Physical Geography\, Friedrich-Schiller-U
 niversity Jena (Homepage): Paleoenvironmental change on the roof of the wo
 rld
TRANSP:TRANSPARENT
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