Monte Carlo inverse modelling of the Law Dome (Antarctica) temperature profile
The temperature profile in the 1200 m deep Dome Summit South (DSS) borehole near the summit of Law Dome, Antarctica, was measured in 1996, 3 years after the termination of the deep drilling. The temperature profile contains information on past surface temperature over the last 4ka. This temperature...
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| Veröffentlicht in: | Annals of glaciology 1999, Vol.29, p.145-150 |
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| container_title | Annals of glaciology |
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| creator | Dahl-Jensen, Dorthe Morgan, Vin I. Elcheikh, Alan |
| description | The temperature profile in the 1200 m deep Dome Summit South (DSS) borehole near the summit of Law Dome, Antarctica, was measured in 1996, 3 years after the termination of the deep drilling. The temperature profile contains information on past surface temperature over the last 4ka. This temperature history is determined by the use of a Monte Carlo inverse method in which no constraints are placed on the unknown temperature history and no solution is assumed to be unique. The temperature history is obtained from a selection of equally well-fitting solutions by a statistical treatment. The results show that solutions covering the last 4ka have a well-developed central value, a most likely temperature history. The temperature record has two well-developed minima at AD 1250 and 1850. From 1850 to the present, temperatures have gradually increased by 0.7 K. The reconstructed temperatures are compared with the stable oxygen isotope (δ18O) from the DSS ice core. |
| doi_str_mv | 10.3189/172756499781821102 |
| format | Article |
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The temperature profile contains information on past surface temperature over the last 4ka. This temperature history is determined by the use of a Monte Carlo inverse method in which no constraints are placed on the unknown temperature history and no solution is assumed to be unique. The temperature history is obtained from a selection of equally well-fitting solutions by a statistical treatment. The results show that solutions covering the last 4ka have a well-developed central value, a most likely temperature history. The temperature record has two well-developed minima at AD 1250 and 1850. From 1850 to the present, temperatures have gradually increased by 0.7 K. The reconstructed temperatures are compared with the stable oxygen isotope (δ18O) from the DSS ice core.</description><identifier>ISSN: 0260-3055</identifier><identifier>EISSN: 1727-5644</identifier><identifier>DOI: 10.3189/172756499781821102</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><ispartof>Annals of glaciology, 1999, Vol.29, p.145-150</ispartof><rights>Copyright © International Glaciological Society 1999</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c365t-5aeb46d8e27c5d006f040975b2baf81e7d4fba74861c2d778288216be2ce4ce43</citedby><cites>FETCH-LOGICAL-c365t-5aeb46d8e27c5d006f040975b2baf81e7d4fba74861c2d778288216be2ce4ce43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids></links><search><creatorcontrib>Dahl-Jensen, Dorthe</creatorcontrib><creatorcontrib>Morgan, Vin I.</creatorcontrib><creatorcontrib>Elcheikh, Alan</creatorcontrib><title>Monte Carlo inverse modelling of the Law Dome (Antarctica) temperature profile</title><title>Annals of glaciology</title><addtitle>Ann. Glaciol</addtitle><description>The temperature profile in the 1200 m deep Dome Summit South (DSS) borehole near the summit of Law Dome, Antarctica, was measured in 1996, 3 years after the termination of the deep drilling. The temperature profile contains information on past surface temperature over the last 4ka. This temperature history is determined by the use of a Monte Carlo inverse method in which no constraints are placed on the unknown temperature history and no solution is assumed to be unique. The temperature history is obtained from a selection of equally well-fitting solutions by a statistical treatment. The results show that solutions covering the last 4ka have a well-developed central value, a most likely temperature history. The temperature record has two well-developed minima at AD 1250 and 1850. From 1850 to the present, temperatures have gradually increased by 0.7 K. 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Glaciol</addtitle><date>1999</date><risdate>1999</risdate><volume>29</volume><spage>145</spage><epage>150</epage><pages>145-150</pages><issn>0260-3055</issn><eissn>1727-5644</eissn><abstract>The temperature profile in the 1200 m deep Dome Summit South (DSS) borehole near the summit of Law Dome, Antarctica, was measured in 1996, 3 years after the termination of the deep drilling. The temperature profile contains information on past surface temperature over the last 4ka. This temperature history is determined by the use of a Monte Carlo inverse method in which no constraints are placed on the unknown temperature history and no solution is assumed to be unique. The temperature history is obtained from a selection of equally well-fitting solutions by a statistical treatment. The results show that solutions covering the last 4ka have a well-developed central value, a most likely temperature history. The temperature record has two well-developed minima at AD 1250 and 1850. 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| title | Monte Carlo inverse modelling of the Law Dome (Antarctica) temperature profile |
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