Glacial rebound and sea‐level change in the British Isles
Identifieur interne : 001525 ( Istex/Corpus ); précédent : 001524; suivant : 001526Glacial rebound and sea‐level change in the British Isles
Auteurs : Kurt LambeckSource :
- Terra Nova [ 0954-4879 ] ; 1991-07.
Abstract
Observations of sea levels around the coastline of the British Isles for the past 10,000–15,000 years exhibit a major regional variation and provide an important data base for testing models of glacial rebound as well as models of the Late Devensian ice sheet. A high‐resolution rebound model has been developed which is consistent with both the spatial and temporal patterns of sea‐level change and which demonstrates that the observations are the result of (i) the glacio‐isostatic crustal rebound in response to the unloading of the ice sheet over Britain and, to a lesser degree, of the ice sheet over Fennoscandia, and (ii) the rise in sea‐level from the melting Late Pleistocene ice sheets, including the response of the crust to the water loading (the hydro‐isostatic effect). The agreement between model and observations is such that there is no need to invoke vertical crustal movements for Great Britain and Ireland of other than glacio‐hydro‐isostatic origin. The rebound contributions are important throughout the region and nowhere is it sufficiently small for the sea‐level change to approximate the eustatic sea‐level rise. The observational data distribution around the periphery as well as from sites near the centre of the former ice sheet is sufficient to permit constraints to be established on both earth model parameters specifying the mantle viscosity and lithospheric thickness and the extent and volume of the ice sheet at the time of the last glaciation. Preliminary solutions are presented which indicate an upper mantle viscosity of (3–5)1020 Pas, a lithospheric thickness of about 100 km or less, and an ice model that was not confluent with the Scandinavian ice sheet during the last glaciation and whose maximum thickness over Scotland is unlikely to have exceeded about 1500 m.
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DOI: 10.1111/j.1365-3121.1991.tb00166.x
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A high‐resolution rebound model has been developed which is consistent with both the spatial and temporal patterns of sea‐level change and which demonstrates that the observations are the result of (i) the glacio‐isostatic crustal rebound in response to the unloading of the ice sheet over Britain and, to a lesser degree, of the ice sheet over Fennoscandia, and (ii) the rise in sea‐level from the melting Late Pleistocene ice sheets, including the response of the crust to the water loading (the hydro‐isostatic effect). The agreement between model and observations is such that there is no need to invoke vertical crustal movements for Great Britain and Ireland of other than glacio‐hydro‐isostatic origin. The rebound contributions are important throughout the region and nowhere is it sufficiently small for the sea‐level change to approximate the eustatic sea‐level rise. The observational data distribution around the periphery as well as from sites near the centre of the former ice sheet is sufficient to permit constraints to be established on both earth model parameters specifying the mantle viscosity and lithospheric thickness and the extent and volume of the ice sheet at the time of the last glaciation. Preliminary solutions are presented which indicate an upper mantle viscosity of (3–5)1020 Pas, a lithospheric thickness of about 100 km or less, and an ice model that was not confluent with the Scandinavian ice sheet during the last glaciation and whose maximum thickness over Scotland is unlikely to have exceeded about 1500 m.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Kurt Lambeck</name><affiliations><json:string>Research School of Earth Sciences, The Australian National University, Canberra ACT 2601, Australia</json:string></affiliations></json:item></author><articleId><json:string>TER379</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>Observations of sea levels around the coastline of the British Isles for the past 10,000–15,000 years exhibit a major regional variation and provide an important data base for testing models of glacial rebound as well as models of the Late Devensian ice sheet. 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The observational data distribution around the periphery as well as from sites near the centre of the former ice sheet is sufficient to permit constraints to be established on both earth model parameters specifying the mantle viscosity and lithospheric thickness and the extent and volume of the ice sheet at the time of the last glaciation. Preliminary solutions are presented which indicate an upper mantle viscosity of (3–5)1020 Pas, a lithospheric thickness of about 100 km or less, and an ice model that was not confluent with the Scandinavian ice sheet during the last glaciation and whose maximum thickness over Scotland is unlikely to have exceeded about 1500 m.</abstract><qualityIndicators><score>8.5</score><pdfVersion>1.4</pdfVersion><pdfPageSize>612 x 792 pts (letter)</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>0</keywordCount><abstractCharCount>1809</abstractCharCount><pdfWordCount>6485</pdfWordCount><pdfCharCount>39903</pdfCharCount><pdfPageCount>11</pdfPageCount><abstractWordCount>287</abstractWordCount></qualityIndicators><title>Glacial rebound and sea‐level change in the British Isles</title><genre><json:string>article</json:string></genre><host><volume>3</volume><publisherId><json:string>TER</json:string></publisherId><pages><total>11</total><last>389</last><first>379</first></pages><issn><json:string>0954-4879</json:string></issn><issue>4</issue><genre><json:string>journal</json:string></genre><language><json:string>unknown</json:string></language><eissn><json:string>1365-3121</json:string></eissn><title>Terra Nova</title><doi><json:string>10.1111/(ISSN)1365-3121</json:string></doi></host><publicationDate>1991</publicationDate><copyrightDate>1991</copyrightDate><doi><json:string>10.1111/j.1365-3121.1991.tb00166.x</json:string></doi><id>84A6AB482732232EB4BAE65C7147A0D25D0726EC</id><score>0.11768305</score><fulltext><json:item><original>true</original><mimetype>application/pdf</mimetype><extension>pdf</extension><uri>https://api.istex.fr/document/84A6AB482732232EB4BAE65C7147A0D25D0726EC/fulltext/pdf</uri></json:item><json:item><original>false</original><mimetype>application/zip</mimetype><extension>zip</extension><uri>https://api.istex.fr/document/84A6AB482732232EB4BAE65C7147A0D25D0726EC/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/84A6AB482732232EB4BAE65C7147A0D25D0726EC/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main" xml:lang="en">Glacial rebound and sea‐level change in the British Isles</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><availability><p>WILEY</p></availability><date>1991</date></publicationStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a" type="main" xml:lang="en">Glacial rebound and sea‐level change in the British Isles</title><author xml:id="author-1"><persName><forename type="first">Kurt</forename><surname>Lambeck</surname></persName><affiliation>Research School of Earth Sciences, The Australian National University, Canberra ACT 2601, Australia</affiliation></author></analytic><monogr><title level="j">Terra Nova</title><idno type="pISSN">0954-4879</idno><idno type="eISSN">1365-3121</idno><idno type="DOI">10.1111/(ISSN)1365-3121</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="1991-07"></date><biblScope unit="volume">3</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="379">379</biblScope><biblScope unit="page" to="389">389</biblScope></imprint></monogr><idno type="istex">84A6AB482732232EB4BAE65C7147A0D25D0726EC</idno><idno type="DOI">10.1111/j.1365-3121.1991.tb00166.x</idno><idno type="ArticleID">TER379</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>1991</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>Observations of sea levels around the coastline of the British Isles for the past 10,000–15,000 years exhibit a major regional variation and provide an important data base for testing models of glacial rebound as well as models of the Late Devensian ice sheet. A high‐resolution rebound model has been developed which is consistent with both the spatial and temporal patterns of sea‐level change and which demonstrates that the observations are the result of (i) the glacio‐isostatic crustal rebound in response to the unloading of the ice sheet over Britain and, to a lesser degree, of the ice sheet over Fennoscandia, and (ii) the rise in sea‐level from the melting Late Pleistocene ice sheets, including the response of the crust to the water loading (the hydro‐isostatic effect). The agreement between model and observations is such that there is no need to invoke vertical crustal movements for Great Britain and Ireland of other than glacio‐hydro‐isostatic origin. The rebound contributions are important throughout the region and nowhere is it sufficiently small for the sea‐level change to approximate the eustatic sea‐level rise. The observational data distribution around the periphery as well as from sites near the centre of the former ice sheet is sufficient to permit constraints to be established on both earth model parameters specifying the mantle viscosity and lithospheric thickness and the extent and volume of the ice sheet at the time of the last glaciation. Preliminary solutions are presented which indicate an upper mantle viscosity of (3–5)1020 Pas, a lithospheric thickness of about 100 km or less, and an ice model that was not confluent with the Scandinavian ice sheet during the last glaciation and whose maximum thickness over Scotland is unlikely to have exceeded about 1500 m.</p></abstract></profileDesc><revisionDesc><change when="1991-07">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><original>false</original><mimetype>text/plain</mimetype><extension>txt</extension><uri>https://api.istex.fr/document/84A6AB482732232EB4BAE65C7147A0D25D0726EC/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component version="2.0" type="serialArticle" xml:lang="en"><header><publicationMeta level="product"><publisherInfo><publisherName>Blackwell Publishing Ltd</publisherName><publisherLoc>Oxford, UK</publisherLoc></publisherInfo><doi origin="wiley" registered="yes">10.1111/(ISSN)1365-3121</doi><issn type="print">0954-4879</issn><issn type="electronic">1365-3121</issn><idGroup><id type="product" value="TER"></id><id type="publisherDivision" value="ST"></id></idGroup><titleGroup><title type="main" sort="TERRA NOVA">Terra Nova</title></titleGroup></publicationMeta><publicationMeta level="part" position="07004"><doi origin="wiley">10.1111/ter.1991.3.issue-4</doi><numberingGroup><numbering type="journalVolume" number="3">3</numbering><numbering type="journalIssue" number="4">4</numbering></numberingGroup><coverDate startDate="1991-07">July 1991</coverDate></publicationMeta><publicationMeta level="unit" type="article" position="0037900" status="forIssue"><doi origin="wiley">10.1111/j.1365-3121.1991.tb00166.x</doi><idGroup><id type="unit" value="TER379"></id></idGroup><countGroup><count type="pageTotal" number="11"></count></countGroup><titleGroup><title type="tocHeading1">TERRA RESEARCH</title></titleGroup><eventGroup><event type="firstOnline" date="2007-07-01"></event><event type="publishedOnlineFinalForm" date="2007-07-01"></event><event type="xmlConverted" agent="Converter:BPG_TO_WML3G version:2.3.2 mode:FullText source:HeaderRef result:HeaderRef" date="2010-03-02"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-02-10"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.1.7 mode:FullText,remove_FC" date="2014-11-04"></event></eventGroup><numberingGroup><numbering type="pageFirst" number="379">379</numbering><numbering type="pageLast" number="389">389</numbering></numberingGroup><linkGroup><link type="toTypesetVersion" href="file:TER.TER379.pdf"></link></linkGroup></publicationMeta><contentMeta><countGroup><count type="referenceTotal" number="49"></count><count type="linksCrossRef" number="1"></count></countGroup><titleGroup><title type="main">Glacial rebound and sea‐level change in the British Isles</title></titleGroup><creators><creator creatorRole="author" xml:id="cr1" affiliationRef="#a1"><personName><givenNames>Kurt</givenNames><familyName>Lambeck</familyName></personName></creator></creators><affiliationGroup><affiliation xml:id="a1" countryCode="AU"><unparsedAffiliation>Research School of Earth Sciences, The Australian National University, Canberra ACT 2601, Australia</unparsedAffiliation></affiliation></affiliationGroup><abstractGroup><abstract type="main" xml:lang="en"><title type="main">ABSTRACT</title><p>Observations of sea levels around the coastline of the British Isles for the past 10,000–15,000 years exhibit a major regional variation and provide an important data base for testing models of glacial rebound as well as models of the Late Devensian ice sheet. A high‐resolution rebound model has been developed which is consistent with both the spatial and temporal patterns of sea‐level change and which demonstrates that the observations are the result of (i) the glacio‐isostatic crustal rebound in response to the unloading of the ice sheet over Britain and, to a lesser degree, of the ice sheet over Fennoscandia, and (ii) the rise in sea‐level from the melting Late Pleistocene ice sheets, including the response of the crust to the water loading (the hydro‐isostatic effect). The agreement between model and observations is such that there is no need to invoke vertical crustal movements for Great Britain and Ireland of other than glacio‐hydro‐isostatic origin. The rebound contributions are important throughout the region and nowhere is it sufficiently small for the sea‐level change to approximate the eustatic sea‐level rise. The observational data distribution around the periphery as well as from sites near the centre of the former ice sheet is sufficient to permit constraints to be established on both earth model parameters specifying the mantle viscosity and lithospheric thickness and the extent and volume of the ice sheet at the time of the last glaciation. Preliminary solutions are presented which indicate an upper mantle viscosity of (3–5)10<sup>20</sup> Pas, a lithospheric thickness of about 100 km or less, and an ice model that was not confluent with the Scandinavian ice sheet during the last glaciation and whose maximum thickness over Scotland is unlikely to have exceeded about 1500 m.</p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Glacial rebound and sea‐level change in the British Isles</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Glacial rebound and sea‐level change in the British Isles</title></titleInfo><name type="personal"><namePart type="given">Kurt</namePart><namePart type="family">Lambeck</namePart><affiliation>Research School of Earth Sciences, The Australian National University, Canberra ACT 2601, Australia</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><place><placeTerm type="text">Oxford, UK</placeTerm></place><dateIssued encoding="w3cdtf">1991-07</dateIssued><copyrightDate encoding="w3cdtf">1991</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="references">49</extent></physicalDescription><abstract lang="en">Observations of sea levels around the coastline of the British Isles for the past 10,000–15,000 years exhibit a major regional variation and provide an important data base for testing models of glacial rebound as well as models of the Late Devensian ice sheet. A high‐resolution rebound model has been developed which is consistent with both the spatial and temporal patterns of sea‐level change and which demonstrates that the observations are the result of (i) the glacio‐isostatic crustal rebound in response to the unloading of the ice sheet over Britain and, to a lesser degree, of the ice sheet over Fennoscandia, and (ii) the rise in sea‐level from the melting Late Pleistocene ice sheets, including the response of the crust to the water loading (the hydro‐isostatic effect). The agreement between model and observations is such that there is no need to invoke vertical crustal movements for Great Britain and Ireland of other than glacio‐hydro‐isostatic origin. The rebound contributions are important throughout the region and nowhere is it sufficiently small for the sea‐level change to approximate the eustatic sea‐level rise. The observational data distribution around the periphery as well as from sites near the centre of the former ice sheet is sufficient to permit constraints to be established on both earth model parameters specifying the mantle viscosity and lithospheric thickness and the extent and volume of the ice sheet at the time of the last glaciation. Preliminary solutions are presented which indicate an upper mantle viscosity of (3–5)1020 Pas, a lithospheric thickness of about 100 km or less, and an ice model that was not confluent with the Scandinavian ice sheet during the last glaciation and whose maximum thickness over Scotland is unlikely to have exceeded about 1500 m.</abstract><relatedItem type="host"><titleInfo><title>Terra Nova</title></titleInfo><genre type="journal">journal</genre><identifier type="ISSN">0954-4879</identifier><identifier type="eISSN">1365-3121</identifier><identifier type="DOI">10.1111/(ISSN)1365-3121</identifier><identifier type="PublisherID">TER</identifier><part><date>1991</date><detail type="volume"><caption>vol.</caption><number>3</number></detail><detail type="issue"><caption>no.</caption><number>4</number></detail><extent unit="pages"><start>379</start><end>389</end><total>11</total></extent></part></relatedItem><identifier type="istex">84A6AB482732232EB4BAE65C7147A0D25D0726EC</identifier><identifier type="DOI">10.1111/j.1365-3121.1991.tb00166.x</identifier><identifier type="ArticleID">TER379</identifier><recordInfo><recordContentSource>WILEY</recordContentSource><recordOrigin>Blackwell Publishing Ltd</recordOrigin></recordInfo></mods></metadata><enrichments><json:item><type>multicat</type><uri>https://api.istex.fr/document/84A6AB482732232EB4BAE65C7147A0D25D0726EC/enrichments/multicat</uri></json:item></enrichments><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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