<?xml version="1.0" encoding="UTF-8" ?><MD_Metadata xmlns="http://www.isotc211.org/2005/gmd" xmlns:gco="http://www.isotc211.org/2005/gco" xmlns:gml="http://www.opengis.net/gml" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.isotc211.org/2005/gmd http://www.isotc211.org/2005/gmd/gmd.xsd"><fileIdentifier><gco:CharacterString>georefid:1999-055665</gco:CharacterString></fileIdentifier><contact><CI_ResponsibleParty><organisationName><gco:CharacterString>SEDIS Publication Catalogue</gco:CharacterString></organisationName><contactInfo><CI_Contact><address><CI_Address><electronicMailAddress><gco:CharacterString>ana.macario@awi.de</gco:CharacterString></electronicMailAddress></CI_Address></address><onlineResource><CI_OnlineResource><linkage><URL>http://sedis.iodp.org/pub-catalogue/</URL></linkage><function><CI_OnLineFunctionCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode_information">information</CI_OnLineFunctionCode></function></CI_OnlineResource></onlineResource></CI_Contact></contactInfo><role><CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode_pointOfContact">pointOfContact</CI_RoleCode></role></CI_ResponsibleParty></contact><dateStamp><gco:DateTime>2011-06-23T00:00:00Z</gco:DateTime></dateStamp><dataSetURI><gco:CharacterString>http://sedis.iodp.org/pub-catalogue/index.php?id=10.1029/1999GL900421</gco:CharacterString></dataSetURI><identificationInfo><MD_DataIdentification><citation><CI_Citation><title><gco:CharacterString>Elastic-wave velocity in marine sediments with gas hydrates; effective medium modeling</gco:CharacterString></title><date><CI_Date><date><gco:Date>1999-01-01</gco:Date></date><dateType><CI_DateTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode_publication">publication</CI_DateTypeCode></dateType></CI_Date></date><identifier><MD_Identifier><code><gco:CharacterString>georefid:1999-055665</gco:CharacterString></code></MD_Identifier></identifier><identifier><MD_Identifier><code><gco:CharacterString>doi:10.1029/1999GL900421</gco:CharacterString></code></MD_Identifier></identifier><citedResponsibleParty><CI_ResponsibleParty><individualName><gco:CharacterString>Helgerud, M. B.</gco:CharacterString></individualName><organisationName><gco:CharacterString>Stanford University, Department of Geophysics, Stanford, CA, United States</gco:CharacterString></organisationName><role><CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode_author">author</CI_RoleCode></role></CI_ResponsibleParty></citedResponsibleParty><citedResponsibleParty><CI_ResponsibleParty><individualName><gco:CharacterString>Dvorkin, Jack</gco:CharacterString></individualName><organisationName><gco:CharacterString>Japan Petroleum Exploration Company, Japan</gco:CharacterString></organisationName><role><CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode_author">author</CI_RoleCode></role></CI_ResponsibleParty></citedResponsibleParty><citedResponsibleParty><CI_ResponsibleParty><individualName><gco:CharacterString>Nur, A.</gco:CharacterString></individualName><organisationName><gco:CharacterString>U. S. Geological Survey, United States</gco:CharacterString></organisationName><role><CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode_author">author</CI_RoleCode></role></CI_ResponsibleParty></citedResponsibleParty><citedResponsibleParty><CI_ResponsibleParty><individualName><gco:CharacterString>Sakai, A.</gco:CharacterString></individualName><role><CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode_author">author</CI_RoleCode></role></CI_ResponsibleParty></citedResponsibleParty><citedResponsibleParty><CI_ResponsibleParty><individualName><gco:CharacterString>Collett, T. S.</gco:CharacterString></individualName><role><CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode_author">author</CI_RoleCode></role></CI_ResponsibleParty></citedResponsibleParty><citedResponsibleParty><CI_ResponsibleParty><organisationName><gco:CharacterString>American Geophysical Union, Washington, DC, United States</gco:CharacterString></organisationName><role><CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode_publisher">publisher</CI_RoleCode></role></CI_ResponsibleParty></citedResponsibleParty><presentationForm><CI_PresentationFormCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_PresentationFormCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_PresentationFormCode_documentDigital">documentDigital</CI_PresentationFormCode></presentationForm><series><CI_Series><name><gco:CharacterString>Geophysical Research Letters</gco:CharacterString></name><issueIdentification><gco:CharacterString>26 (13)</gco:CharacterString></issueIdentification><page><gco:CharacterString>2021-2024</gco:CharacterString></page></CI_Series></series></CI_Citation></citation><abstract gco:nilReason="missing"/><status><MD_ProgressCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ProgressCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ProgressCode_completed">completed</MD_ProgressCode></status><descriptiveKeywords><MD_Keywords><keyword><gco:CharacterString>Economic geology, geology of energy sources</gco:CharacterString></keyword><keyword><gco:CharacterString>Applied geophysics</gco:CharacterString></keyword><keyword><gco:CharacterString>accuracy</gco:CharacterString></keyword><keyword><gco:CharacterString>aliphatic hydrocarbons</gco:CharacterString></keyword><keyword><gco:CharacterString>alkanes</gco:CharacterString></keyword><keyword><gco:CharacterString>continental margin</gco:CharacterString></keyword><keyword><gco:CharacterString>elastic waves</gco:CharacterString></keyword><keyword><gco:CharacterString>gas hydrates</gco:CharacterString></keyword><keyword><gco:CharacterString>Gassmann's equation</gco:CharacterString></keyword><keyword><gco:CharacterString>geophysical methods</gco:CharacterString></keyword><keyword><gco:CharacterString>geophysical profiles</gco:CharacterString></keyword><keyword><gco:CharacterString>hydrocarbons</gco:CharacterString></keyword><keyword><gco:CharacterString>hydrogen</gco:CharacterString></keyword><keyword><gco:CharacterString>Leg 164</gco:CharacterString></keyword><keyword><gco:CharacterString>marine sedimentation</gco:CharacterString></keyword><keyword><gco:CharacterString>measurement</gco:CharacterString></keyword><keyword><gco:CharacterString>methane</gco:CharacterString></keyword><keyword><gco:CharacterString>models</gco:CharacterString></keyword><keyword><gco:CharacterString>natural gas</gco:CharacterString></keyword><keyword><gco:CharacterString>Ocean Drilling Program</gco:CharacterString></keyword><keyword><gco:CharacterString>ocean floors</gco:CharacterString></keyword><keyword><gco:CharacterString>ODP Site 995</gco:CharacterString></keyword><keyword><gco:CharacterString>organic compounds</gco:CharacterString></keyword><keyword><gco:CharacterString>petroleum</gco:CharacterString></keyword><keyword><gco:CharacterString>petroleum exploration</gco:CharacterString></keyword><keyword><gco:CharacterString>reflection methods</gco:CharacterString></keyword><keyword><gco:CharacterString>sedimentation</gco:CharacterString></keyword><keyword><gco:CharacterString>seismic methods</gco:CharacterString></keyword><keyword><gco:CharacterString>seismic profiles</gco:CharacterString></keyword><keyword><gco:CharacterString>velocity</gco:CharacterString></keyword><keyword><gco:CharacterString>vertical seismic profiles</gco:CharacterString></keyword><keyword><gco:CharacterString>volume</gco:CharacterString></keyword></MD_Keywords></descriptiveKeywords><aggregationInfo><MD_AggregateInformation><aggregateDataSetIdentifier><RS_Identifier><code><gco:CharacterString>urn:org.iodp:exp:164</gco:CharacterString></code><codeSpace><gco:CharacterString>urn</gco:CharacterString></codeSpace></RS_Identifier></aggregateDataSetIdentifier><associationType><DS_AssociationTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#DS_AssociationTypeCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#DS_AssociationTypeCode_largerWorkCitation">largerWorkCitation</DS_AssociationTypeCode></associationType><initiativeType><DS_InitiativeTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#DS_InitiativeTypeCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#DS_InitiativeTypeCode_campaign">campaign</DS_InitiativeTypeCode></initiativeType></MD_AggregateInformation></aggregationInfo><aggregationInfo><MD_AggregateInformation><aggregateDataSetIdentifier><RS_Identifier><code><gco:CharacterString>urn:org.iodp:exp:164:site:995</gco:CharacterString></code><codeSpace><gco:CharacterString>urn</gco:CharacterString></codeSpace></RS_Identifier></aggregateDataSetIdentifier><associationType><DS_AssociationTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#DS_AssociationTypeCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#DS_AssociationTypeCode_largerWorkCitation">largerWorkCitation</DS_AssociationTypeCode></associationType><initiativeType><DS_InitiativeTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#DS_InitiativeTypeCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#DS_InitiativeTypeCode_study">study</DS_InitiativeTypeCode></initiativeType></MD_AggregateInformation></aggregationInfo><aggregationInfo><MD_AggregateInformation><aggregateDataSetIdentifier><RS_Identifier><code><gco:CharacterString>urn:org.iodp:exp:164</gco:CharacterString></code><codeSpace><gco:CharacterString>urn</gco:CharacterString></codeSpace></RS_Identifier></aggregateDataSetIdentifier><associationType><DS_AssociationTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#DS_AssociationTypeCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#DS_AssociationTypeCode_largerWorkCitation">largerWorkCitation</DS_AssociationTypeCode></associationType><initiativeType><DS_InitiativeTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#DS_InitiativeTypeCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#DS_InitiativeTypeCode_campaign">campaign</DS_InitiativeTypeCode></initiativeType></MD_AggregateInformation></aggregationInfo><language><gco:CharacterString>English</gco:CharacterString></language><topicCategory><MD_TopicCategoryCode>geoscientificInformation</MD_TopicCategoryCode></topicCategory><extent><EX_Extent><geographicElement><EX_GeographicBoundingBox><westBoundLongitude><gco:Decimal>-75.3118</gco:Decimal></westBoundLongitude><eastBoundLongitude><gco:Decimal>-75.3118</gco:Decimal></eastBoundLongitude><southBoundLatitude><gco:Decimal>31.4812</gco:Decimal></southBoundLatitude><northBoundLatitude><gco:Decimal>31.4812</gco:Decimal></northBoundLatitude></EX_GeographicBoundingBox></geographicElement></EX_Extent></extent></MD_DataIdentification></identificationInfo><distributionInfo><MD_Distribution><distributionFormat><MD_Format><name><gco:CharacterString>application/pdf</gco:CharacterString></name><version><gco:CharacterString>unknown</gco:CharacterString></version><formatDistributor><MD_Distributor><distributorContact><CI_ResponsibleParty><organisationName><gco:CharacterString>SEDIS Publication Catalogue</gco:CharacterString></organisationName><contactInfo><CI_Contact><address><CI_Address><electronicMailAddress><gco:CharacterString>ana.macario@awi.de</gco:CharacterString></electronicMailAddress></CI_Address></address><onlineResource><CI_OnlineResource><linkage><URL>http://sedis.iodp.org/pub-catalogue/</URL></linkage><function><CI_OnLineFunctionCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode_information">information</CI_OnLineFunctionCode></function></CI_OnlineResource></onlineResource></CI_Contact></contactInfo><role><CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode_pointOfContact">pointOfContact</CI_RoleCode></role></CI_ResponsibleParty></distributorContact><distributorTransferOptions><MD_DigitalTransferOptions><onLine><CI_OnlineResource><linkage><URL>http://www.agu.org/journals/gl/v026/i013/1999GL900421/1999GL900421.pdf</URL></linkage><function><CI_OnLineFunctionCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode_download">download</CI_OnLineFunctionCode></function></CI_OnlineResource></onLine></MD_DigitalTransferOptions></distributorTransferOptions></MD_Distributor></formatDistributor></MD_Format></distributionFormat></MD_Distribution></distributionInfo></MD_Metadata>