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	         gmd:citation:  
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	               gmd:title:  SEDNA: Sea ice Experiment - Dynamic Nature of the Arctic
	               gmd:date:  
	                  gmd:CI_Date:  
	                     gmd:date:  2011
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	                  gmd:Date:  2011-05-19
	               gmd:identifier:  G02200
	               gmd:identifier:  http://dx.doi.org/10.7265/N5KK98PH
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	         gmd:Abstract:  
	
	            The Sea Ice Experiment - Dynamic Nature of the Arctic (SEDNA) is an 
	            international collaborative effort to improve the understanding of the 
	            interaction between sea ice dynamics and Arctic climate. It was also the first 
	            International Polar Year 2007-2008  field project.  

The SEDNA data portal 
	            provides access to many and varied data sets from the diverse set of campaign 
	            participants.  The data portal holds 37 entries from remote sensing to in situ 
	            measurements collected during the ice camp in March and April 2007. This data 
	            collection is distributed by the International Arctic Research Center (IARC) 
	            at the University of Alaska Fairbanks (UAF). NSIDC maintains the metadata for 
	            this data collection, so the data are easier to find through the NSIDC data 
	            catalog and those catalogs with which NSIDC shares metadata. This summary and 
	            metadata are accurate as of June 2011.  The UAF archive site may have more 
	            recent data updates and publications, please visit their site for the most 
	            up-to-date information.

The mass balance of sea ice and the evolution of sea 
	            ice thickness distribution is a key component of the Arctic system. It is 
	            controlled by thermodynamic ice growth and melt, mechanical redistribution 
	            through ridging and rafting, and transport. The SEDNA experiment was designed 
	            in a regional Lagrangian frame of reference and tracked the evolution of a 
	            region of ice surrounding the Applied Physics Laboratory Ice Station (APLIS) 
	            2007 ice camp in an effort to evaluate the role of mechanical redistribution 
	            on ice thickness distribution. The SEDNA data collection is unique in that 
	            several ice thickness data sets were inter-calibrated and coordinated with 
	            monitoring of the ice pack strain-rate (horizontal deformation) and 
	            measurements of internal ice stress. This experiment was designed to improve 
	            our understanding of the relationship between sea ice thickness and dynamics 
	            and to investigate the stress and strain-rate relationships with a 
	            comprehensive suite of spatio-temporal coincident observations.

Measurements 
	            were made with the aim of resolving the time evolving ice thickness 
	            distribution in the vicinity of the ice camp, to map ice pack deformation 
	            (strain-rate), and track strain-rate and internal ice stress in time. This has 
	            required a detailed inter-comparison of ice thickness measurements from a 
	            number of sources including submarine upward looking sonar (ULS) (Peter 
	            Wadhams), AUV multi-beam ULS (Peter Wadhams and Martin Doble), airborne LIDAR 
	            (Rene Forsberg), Helicopter borne electromagnetic induction (EMI) (Christian 
	            Haas), and in situ snow and ice measurements with drill and EM-31 soil 
	            surveyor (Cathy Geiger and Jackie Richter-Menge). Sea ice deformation was 
	            mapped in near-real time from analysis of RADARSat-1 ScanSAR-B by the Map of 
	            Moving Topography method (Mani Thomas, Chandra Kambhattmettu, and Cathy 
	            Geiger), and high temporal sampling was achieved with an array of GPS drifting 
	            buoys (Jenny Hutchings). Matt Pruis used GPS buoys to measure deformation of 
	            single leads. Ice stress and mass balance were measured with CRREL stress 
	            buoys (Jackie Richter-Menge). Additional measurements include a 3-m weather 
	            station (Andrew Roberts), CTD profiles every six hours (Jeremy Wilkinson), 
	            downward looking Acoustic Doppler Current Profiler (ADCP), and met-buoys 
	            (Ignatius Rigor). 

Data are generally available in three formats: the 
	            original format, netCDF, and ASCII. The original version is not always well 
	            documented.  The netCDF version includes carefully collected documentation 
	            placed in the header fields of the netCDF file. Often, data are also available 
	            in a separate ASCII file as columns of data concatenated behind the netCDF 
	            header information in plain text form.

SEDNA is supported by the NSF Grant 
	            "Collaborative Research: Detailed Investigation of the Dynamic Component of 
	            Sea Ice Mass Balance" (OPP ARC 0612527 (UAF), 0611991 (CRREL), and 0612105 
	            (University of Delaware)).
	         gmd:Purpose:  Scientific Research
	         gmd:Credit:  J. Hutchings, C. Geiger, J. Richter-Menge, A. Roberts, M. Doble, R. Forsberg, K. Giles, C. Haas, S. Hendriks, C. Khambhamettu, S. Laxon, T. Martin, M. Pruis, M. Thomas, P. Wadhams, D. Wilkinson, J. Zwally. 2011. SEDNA: Sea ice Experiment - Dynamic Nature of the Arctic. [indicate subset used]. Fairbanks, Alaska USA: International Arctic Research Center, UAF. http://dx.doi.org/10.7265/N5KK98PH. 
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	                  gmd:address:  
	            gmd:role:  
	               gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact"
	      gmd:PointOfContact:  
	         gmd:CI_ResponsibleParty:  
	            gmd:individualName:  Henriette Skourup
	            gmd:organisationName:  Danish National Space Center
	            gmd:positionName:  none
	            gmd:contactInfo:  
	               gmd:CI_Contact:  
	                  gmd:address:  
	                     gmd:city:  Copenhagen
	                     gmd:country:  Denmark
	            gmd:role:  
	               gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact"
	      gmd:PointOfContact:  
	         gmd:CI_ResponsibleParty:  
	            gmd:individualName:  Mani Thomas
	            gmd:organisationName:  University of Delaware
	            gmd:positionName:  none
	            gmd:contactInfo:  
	               gmd:CI_Contact:  
	                  gmd:address:  
	            gmd:role:  
	               gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact"
	      gmd:PointOfContact:  
	         gmd:CI_ResponsibleParty:  
	            gmd:individualName:  Adrian Turner
	            gmd:organisationName:  University College London
	            gmd:positionName:  none
	            gmd:contactInfo:  
	               gmd:CI_Contact:  
	                  gmd:address:  
	            gmd:role:  
	               gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact"
	      gmd:PointOfContact:  
	         gmd:CI_ResponsibleParty:  
	            gmd:individualName:  P. Wadhams
	            gmd:organisationName:  University of Cambridge
	            gmd:positionName:  none
	            gmd:contactInfo:  
	               gmd:CI_Contact:  
	                  gmd:address:  
	                     gmd:electronicMailAddress:  pw11@cam.ac.uk
	            gmd:role:  
	               gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="principalInvestigator"
	      gmd:PointOfContact:  
	         gmd:CI_ResponsibleParty:  
	            gmd:individualName:  D. Wilkinson
	            gmd:positionName:  none
	            gmd:contactInfo:  
	               gmd:CI_Contact:  
	                  gmd:address:  
	            gmd:role:  
	               gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact"
	      gmd:PointOfContact:  
	         gmd:CI_ResponsibleParty:  
	            gmd:individualName:  Richard Yeo
	            gmd:positionName:  none
	            gmd:contactInfo:  
	               gmd:CI_Contact:  
	                  gmd:address:  
	                     gmd:city:  Gavia
	                     gmd:country:  Iceland
	            gmd:role:  
	               gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact"
	      gmd:PointOfContact:  
	         gmd:CI_ResponsibleParty:  
	            gmd:individualName:  H. Jay Zwally
	            gmd:positionName:  none
	            gmd:contactInfo:  
	               gmd:CI_Contact:  
	                  gmd:phone:  
	                     gmd:CI_Telephone:  
	                     gmd:voice:  1 301 614-5643 
	                  gmd:address:  
	                     gmd:deliveryPoint:  Laboratory for Hydrospheric Processes
	                     gmd:city:  Greenbelt
	                     gmd:administrativeArea:  MD
	                     gmd:postalCode:  20771
	                     gmd:country:  USA
	                     gmd:electronicMailAddress:  H.J.Zwally@nasa.gov
	            gmd:role:  
	               gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact"
	         gmd:resourceMaintenance:  
	            gmd:MD_MaintenanceInformation:  
	               gmd:maintenanceAndUpdateFrequency:  
	                  gmd:MD_MaintenanceFrequencyCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_MaintenanceFrequencyCode" codeListValue="asNeeded"
	               gmd:updateScope:  
	                  gmd:MD_ScopeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ScopeCode" codeListValue="dataset"
	               gmd:updateScope:  
	                  gmd:MD_ScopeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ScopeCode" codeListValue="series"
	               gmd:updateScope:  
	                  gmd:MD_ScopeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ScopeCode" codeListValue="attribute"
	               gmd:contact:  
	                  gmd:CI_ResponsibleParty:  
	                     gmd:individualName:  Bruce Elder
	                     gmd:organisationName:  Cold Regions Research and Engineering Laboratory
	                     gmd:positionName:  none
	                     gmd:contactInfo:  
	                        gmd:CI_Contact:  
	                           gmd:address:  
	                              gmd:deliveryPoint:  72 Lyme Rd.
	                              gmd:city:  Hanover
	                              gmd:administrativeArea:  NH
	                              gmd:postalCode:  03755-1290
	                              gmd:country:  USA
	                              gmd:electronicMailAddress:  Bruce.C.Elder@erdc.usace.army.mil
	                           gmd:onlineResource:  
	                              gmd:CI_OnlineResource:  
	                                 gmd:linkage:  http://nsidc.org
	                     gmd:role:  
	                        gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact"
	      gmd:Descriptive_Keywords:  
	         gmd:MD_Keywords:  
	            gmd:keyword:  Ocean > Arctic Ocean > Beaufort Sea > Perrenial-seasonal ice boundary
	            gmd:type:  
	               gmd:MD_KeywordTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="place"
	               gmd:thesaurusName:  
	                  gmd:CI_Citation:  
	                     gmd:title:  NASA / GCMD Location Keywords
	                     gmd:date:  
	                        gmd:CI_Date:  
	                           gmd:date:  2008-02-05
	                           gmd:dateType:  
	                              gmd:CI_DateTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="revision"
	      gmd:Descriptive_Keywords:  
	         gmd:MD_Keywords:  
	            gmd:keyword:  EARTH SCIENCE > Cryosphere > Sea Ice > Sea Ice Mass Balance
	            gmd:keyword:  EARTH SCIENCE > Cryosphere > Sea Ice > Ice Deformation
	            gmd:keyword:  EARTH SCIENCE > Cryosphere > Snow/Ice > Ice Depth/Thickness > Distribution
	            gmd:keyword:  EARTH SCIENCE > Cryosphere > Snow/Ice > Ice Motion
	            gmd:keyword:  EARTH SCIENCE > Oceans > Sea Ice > Sea Ice Dynamics
	            gmd:keyword:  EARTH SCIENCE > Oceans > Sea Ice > Ice Deformation
	            gmd:type:  
	               gmd:MD_KeywordTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="discipline"
	               gmd:thesaurusName:  
	                  gmd:CI_Citation:  
	                     gmd:title:  NASA / GCMD Science Keywords
	                     gmd:date:  
	                        gmd:CI_Date:  
	                           gmd:date:  2008-02-05
	                           gmd:dateType:  
	                              gmd:CI_DateTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="revision"
	      gmd:Descriptive_Keywords:  
	         gmd:MD_Keywords:  
	            gmd:type:  
	               gmd:MD_KeywordTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="theme"
	               gmd:thesaurusName:  
	                  gmd:CI_Citation:  
	                     gmd:title:  None
	                     gmd:date:  
	                        gmd:CI_Date:  
	                           gmd:date:  2008-01-24
	                           gmd:dateType:  
	                              gmd:CI_DateTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="revision"
	      gmd:Descriptive_Keywords:  
	         gmd:MD_Keywords:  
	            gmd:keyword:  climate variability
	            gmd:keyword:  Cryosphere
	            gmd:keyword:  DRIFTING STATIONS
	            gmd:keyword:  electromagnetic induction (EMI)
	            gmd:keyword:  Field Camps
	            gmd:keyword:  Ice Deformation
	            gmd:keyword:  ice dynamics
	            gmd:keyword:  Ice Growth
	            gmd:keyword:  Ice Melt
	            gmd:keyword:  Ice Thickness Distribution
	            gmd:keyword:  IN-SITU
	            gmd:keyword:  Ocean Drifting Station
	            gmd:keyword:  Physical Oceanography
	            gmd:keyword:  Sea Ice
	            gmd:keyword:  sea ice camps
	            gmd:keyword:  sea ice mass balance
	            gmd:keyword:  Sea Ice Surface Elevation
	            gmd:type:  
	               gmd:MD_KeywordTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="theme"
	               gmd:thesaurusName:  
	         gmd:resourceConstraints:  
	            gmd:MD_LegalConstraints:  
	               gmd:accessConstraints:  
	                  gmd:MD_RestrictionCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_RestrictionCode" codeListValue="otherRestrictions"
	               gmd:useConstraints:  
	                  gmd:MD_RestrictionCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_RestrictionCode" codeListValue="otherRestrictions"
	               gmd:otherConstraints:  
	                  Access Constraints : none
	               gmd:otherConstraints:  
	                  No use constraints. The data are freely available to anyone who wants to use it. If data are used in a publication, please cite using the formal data citation.
	   gmd:Language:  eng; usa
	   gmd:Character_Set:  
	      gmd:MD_CharacterSetCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_CharacterSetCode" codeListValue="UTF8"
	         gmd:topicCategory:  
	            gmd:MD_topicCategoryCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_topicCategoryCode" codeListValue="climatologyMeteorologyAtmosphere"
	         gmd:Extent:  
	            gmd:EX_Extent:  
	               gmd:geographicElement:  
	                  gmd:Ex_GeographicBoundingBox:  
	                     gmd:westBoundLongitude:  -170
	                     gmd:eastBoundLongitude:  -130
	                     gmd:southBoundLatitude:  70
	                     gmd:northBoundLatitude:  76
	               gmd:temporalElement:  
	                  gmd:Ex_TemporalExtent:  
	                     gmd:extent:  
	                        gmd:TimePeriod:  
	                           gmd:beginPosition:  20070201
	                           gmd:endPosition:  20070630
	   gmd:Distribution_Information:  
	      gmd:MD_Distribution:  
	         gmd:distributor:  
	            gmd:MD_Distributor:  
	               gmd:distributorContact:  
	                  gmd:CI_ResponsibleParty:  
	                     gmd:individualName:  NSIDC User Services
	                     gmd:organisationName:  National Snow and Ice Data Center
	                     gmd:contactInfo:  
	                        gmd:CI_Contact:  
	                           gmd:phone:  
	                              gmd:CI_Telephone:  
	                              gmd:voice:  1 303 492-6199 
	                           gmd:address:  
	                              gmd:deliveryPoint:  National Snow and Ice Data Center
	                              gmd:city:  Boulder
	                              gmd:administrativeArea:  CO
	                              gmd:postalCode:  80309-0449
	                              gmd:country:  USA
	                              gmd:electronicMailAddress:  nsidc@nsidc.org
	                           gmd:onlineResource:  
	                              gmd:CI_OnlineResource:  
	                                 gmd:linkage:  http://nsidc.org
	                     gmd:role:  
	                        gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="custodian"
	               gmd:distributorContact:  
	                  gmd:CI_ResponsibleParty:  
	                     gmd:individualName:  NOAA User Services
	                     gmd:organisationName:  National Oceanic and Atmospheric Administration
	                     gmd:contactInfo:  
	                        gmd:CI_Contact:  
	                           gmd:phone:  
	                              gmd:CI_Telephone:  
	                              gmd:voice:  1 303 492-6199 x
	                           gmd:address:  
	                              gmd:deliveryPoint:  National Snow and Ice Data Center
	                              gmd:city:  Boulder
	                              gmd:administrativeArea:  CO
	                              gmd:postalCode:  80309-0449
	                              gmd:country:  USA
	                              gmd:electronicMailAddress:  nsidc@nsidc.org
	                           gmd:onlineResource:  
	                              gmd:CI_OnlineResource:  
	                                 gmd:linkage:  http://nsidc.org/noaa/
	                     gmd:role:  
	                        gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="custodian"
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	            gmd:MD_Format:  
	               gmd:name:  
	                  gco:CharacterString:  NetCDF
	               gmd:version:  
	                  gco:CharacterString:  
	               gmd:specfication:  
	                  gco:CharacterString:   Online (HTTP)
	         gmd:distributionFormat:  
	            gmd:MD_Format:  
	               gmd:name:  
	                  gco:CharacterString:  ASCII Text (.txt)
	               gmd:version:  
	                  gco:CharacterString:  
	               gmd:specfication:  
	                  gco:CharacterString:   Online (HTTP)
	         gmd:transferOptions:  
	            gmd:MD_DigitalTransferOptions:  
	               gmd:offLine:  
	                  gmd:MD_Medium:  
	                     gmd:name:  
	                        gmd:MD_MediumNameCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_MediumNameCode" codeListValue="onLine"
	                     gmd:density:  
	                     gmd:densityUnits:  
	                     gmd:mediumName:  Online (HTTP)
	   gmi:Acquisition_Information:  
	      gmi:MI_Acquisition:  
	         gmi:instrument:  
	            gmi:MI_Instrument:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  ADCP > Acoustic Doppler Current Profiler
	               gmi:type:  
	                  gco:CharacterString:  sensor
	         gmi:instrument:  
	            gmi:MI_Instrument:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  CTD > Conductivity, Temperature, Depth
	               gmi:type:  
	                  gco:CharacterString:  sensor
	         gmi:instrument:  
	            gmi:MI_Instrument:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  GPR > Ground Penetrating Radar
	               gmi:type:  
	                  gco:CharacterString:  sensor
	         gmi:instrument:  
	            gmi:MI_Instrument:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  GPS > Global Positioning System
	               gmi:type:  
	                  gco:CharacterString:  sensor
	         gmi:instrument:  
	            gmi:MI_Instrument:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  ICE STRESS SENSORS
	               gmi:type:  
	                  gco:CharacterString:  sensor
	         gmi:instrument:  
	            gmi:MI_Instrument:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  LIDAR > Light Detection and Ranging
	               gmi:type:  
	                  gco:CharacterString:  sensor
	         gmi:instrument:  
	            gmi:MI_Instrument:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  SAR > Synthetic Aperture Radar
	               gmi:type:  
	                  gco:CharacterString:  sensor
	         gmi:instrument:  
	            gmi:MI_Instrument:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  THERMISTORS
	               gmi:type:  
	                  gco:CharacterString:  sensor
	         gmi:instrument:  
	            gmi:MI_Instrument:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  UPWARD LOOKING SONAR
	               gmi:type:  
	                  gco:CharacterString:  sensor
	         gmi:instrument:  
	            gmi:MI_Instrument:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  VISUAL OBSERVATIONS
	               gmi:type:  
	                  gco:CharacterString:  sensor
	         gmi:platform:  
	            gmi:MI_Platform:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  AIRCRAFT
	               gmi:description:  
	                  gco:CharacterString:  satellite
	               gmi:instrument:  
	                  gco:CharacterString:  N/A
	         gmi:platform:  
	            gmi:MI_Platform:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  AUVS > Autonomous Underwater Vehicles
	               gmi:description:  
	                  gco:CharacterString:  satellite
	               gmi:instrument:  
	                  gco:CharacterString:  N/A
	         gmi:platform:  
	            gmi:MI_Platform:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  BUOYS
	               gmi:description:  
	                  gco:CharacterString:  satellite
	               gmi:instrument:  
	                  gco:CharacterString:  N/A
	         gmi:platform:  
	            gmi:MI_Platform:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  HELICOPTER
	               gmi:description:  
	                  gco:CharacterString:  satellite
	               gmi:instrument:  
	                  gco:CharacterString:  N/A
	         gmi:platform:  
	            gmi:MI_Platform:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  METEOROLOGICAL STATIONS
	               gmi:description:  
	                  gco:CharacterString:  satellite
	               gmi:instrument:  
	                  gco:CharacterString:  N/A
	         gmi:platform:  
	            gmi:MI_Platform:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  SATELLITES
	               gmi:description:  
	                  gco:CharacterString:  satellite
	               gmi:instrument:  
	                  gco:CharacterString:  N/A
	         gmi:platform:  
	            gmi:MI_Platform:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  SUBMARINE
	               gmi:description:  
	                  gco:CharacterString:  satellite
	               gmi:instrument:  
	                  gco:CharacterString:  N/A