Collection level information, e.g. contacts, data quality, bounding geographic area, keywords. Information about how the data was collected, e.g. specific acquisition details, devices, ships, seismic stations. Object level information, e.g. SEG-Ys, detailed line information. Metadata about this metadata file, e.g last update date and author. Collection level information, e.g. contacts, data quality, bounding geographic area, keywords. A unique identifier for the dataset. (Mandatory, Not repeatable) edu.utexas.ig:ew9101_01p Descriptive title for the dataset. (Mandatory, Not repeatable) EW9101 MCS Processed SEG-Y Data Beginning of data collection, dataset publication or revision. (Mandatory, Repeatable) General description of the dataset. A paragraph or two should highlight the characteristics that make this a logical dataset, such as the information content, date range and geographic location of the dataset. (Mandatory. Not repeatable.) This was a joint UT and Lamont-Doherty Earth Observatory program collecting a series of MCS lines in the Bransfield Strait, across the South Shetland Trench and farther south along the Antarctic margin. UTIG was responsible for the Bransfield Strait and South Shetland Trench data. Additional lines collected farther south along the margin were the responsibility of Lamont-Doherty Earth Observatory. Brief statement of dataset objective, intended users or project goals. (Optional, Not repeatable) The goals of this data collection were to increase understanding of the following processes: Andean-type orogenesis, continental lithosphere extension in a convergent continental margin setting, ridge crest subduction, and interaction of large- offset fracture zones with convergent margins, including the uplift of subduction complexes. Any other descriptive information about the dataset. (Optional, Not repeatable) Identifies the level of processing data has undergone. (Mandatory, Not repeatable) processed Kind of data differentiated by the type of receiver or source. (Mandatory, Not repeatable) Seismic:Active:MCS Data may be processed for reflections, refractions or velocities; For use if DataClass = Processed or Compilation. (Optional, Repeatable) Seismic:Reflection Primary classification of data processing results. (Optional, Repeatable) Stack, Migration Classification how the data was generated (Mandatory, Repeatable) DigitalSeg:DigitallyAcquired The media used for dataset transfer. (Mandatory, Repeatable) Online General statement of the accuracy of the datasets, any known problems or a qualitative assessment of dataset on part of contributor. If this is information is not available put in 'Unknown'. (Mandatory, Not repeatable) Unknown Descriptive information of processing or lineage pertinent to the entire collection level represented. The limits of coverage of a data set expressed by latitude and longitude. (Mandatory, Repeatable) Names of geographic locations and undersea features associated with the dataset and a citation to the featureName authority. (Optional, Repeatable) Beginning and ending dates of dataset content. (Optional, Repeatable) Time zone of the dataset, represented as an integer with +/- hours from Greenwich Mean Time. (Optional, Not repeatable) Contact information of person or organization that provides the dataset. (Mandatory, Repeatable) UTX-AUSTIN/IG Contact information of principle investigator (chief scientist) or current responsible party of dataset. (Mandatory, Repeatable) Mutter_J Reference to the id of information about dataset access, access contact and, if applicable, access date. (Mandatory, Repeatable) edu.utexas.ig:ew9101_access01 Organization that sponsored the development of dataset and award information. (Optional, Repeatable) Citation of dataset related documentation, such as user guides and science papers. (Optional, Repeatable) Information about how the data was collected, e.g. specific acquisition details, devices, ships, seismic stations. Acquisition parameters used to gather the seismic data. (Optional, Repeatable) edu.columbia.ldeo:MGL0801_ACQ001 Ship Name and responsible organization. Note: this could be apply to other types of platforms, as well. (Optional, Repeatable) (Optional, Repeatable) Name of OBS or sonobuoy associated with an SDO. (Optional, Repeatable) Navigation information associated with dataset or seismic object. (Optional, Repeatable) Object level information, e.g. SEG-Ys, detailed line information. (Optional, Repeatable) A seismic data file (e.g. a SEG-Y) (Mandatory, Repeatable) Date when metadata was created or last updated. Recorded as YYYY-MM-DD. (Mandatory, Not repeatable) Date: 2008-10-15 Contact information of person who wrote the metadata. (Mandatory, Not repeatable) Gahagan_L Name and version of the standard used to document the dataset. (Mandatory, Not repeatable) Seismic Metadata Convention v0.5 Date of dataset submission to the archive data center. Must be formatted as YYYY-MM-DD. (Mandatory, Not repeatable) 2005-01-11 To describe, if any, If any one object or the entire dataset is on hold. (Mandatory, Repeatable) Vocabulary list of restrictions for accessing the data set. "Open" is an option if there are no restrictions. (Mandatory, Not repeatable) open Contact for access information. (Mandatory, Not repeatable) Gahagan_L Date when dataset or seismic data object will be released, YYYY-MM-DD. Required if any part of the dataset is restricted and useful if the dataset is already released. (Optional, Not repeatable) 2005-01-11 Unique identification for this access information. edu.utexas.ig:ew9101_access01 Details of seismic data collection. (Optional, Repeatable) gov.usgs.cmg:S-8-07-SC_ACQxxx edu.columbia.ldeo:MGL0801_ACQxxx Unique identifier of the field data acquisition program associated with the data set. (Optional, Repeatable) S-8-07-SC MGL0801 Type of receiver used to detect the arrival of seismic waves.(Mandatory, Not repeatable) CHIRP Hydrophone:Streamer Type of source used to generate seismic waves. (Mandatory, Not repeatable) CHIRP AirGun:Bolt1500LL; AirGun:Bolt1900LLX Vendor name for the data acquisition system used to record the seismic signals. (Optional, Not repeatable) Triton Subbottom Syntron Syntrack 960 Signal may be recorded in Digital or Analog form. (Mandatory, Not repeatable) Digital Digital Changed to vocab type - 3/5/09 Navigation system used as primary source of positioning information for the data set. (Optional, Not repeatable) Yonav (USGS) POS-MV (primary), SeaPath Geodetic reference system used for seismic survey. (Optional, Not repeatable) WGS84 WGS84 Distance between the sound source and the nearest channel or hydrophone group in receiver cable. (Optional, Not repeatable) 0 42 Distance between the GPS antenna and sound source. (Optional, Not repeatable) 18 62 Total number of channels (or hydrophone groups) recorded. Corresponds to sum of all channels on all cables. (Optional, Not repeatable) 3 1824 Number of receiver cables or streamers used in survey. (Optional, Not repeatable) n/a 3 Number of receiver channels (or hydrophone groups) on each cable or streamer. (Optional, Not repeatable) n/a 456 Length of hydrophone group composing one channel. (Optional, Not repeatable) n/a 12.5 Length of receiver cable or streamer. (Optional, Not repeatable) n/a 6000 Separation between cables for 3D operations. (Optional, Not repeatable) n/a 150 Number of the receiver channel located nearest the sound source. (Optional, Not repeatable) n/a 468 Nominal depth of the streamer cable or receiver. For Subbottom, this is the same value as sourceDepth. (Optional, Not repeatable) 2 9 Yes, If the depth of the streamer cable or receiver is recorded and no, if it is not. Note: this only pertains to digital recording, for example, SEG-D field trace headers. (Optional, Not repeatable) Useful for 3D operations where 2 source arrays are shot alternately. This is not the number of linear gun strings that comprise the source. Number of sources = 1 if all guns were fired simultaneously. Number of source arrays = 2 if the source was fired as 2 arrays fired alternately. (Optional, Not repeatable) 1 1 Yes or No. Depending on whether two source arrays were fired alternately. (Optional, Not repeatable) No empty If the source is configured as 2 arrays fired alternately, this number is the separation (in meters) between the arrays. Used for 3D operations and potentially 2D operations. (Optional, Not repeatable) n/a n/a Total volume of compressed air/water bubble released by source array. (Optional, Not repeatable) n/a 54077.31 The units of the source volume. (Optional, Not repeatable) n/a cubicCentimeters Total pressure exerted by the source. (Optional, Not repeatable) n/a 131.0003 Number of air/water/GI guns used in the source array. (Optional, Not repeatable) n/a 18 Depth at which the source is towed. (Optional, Not repeatable) 2 6.5 Source shots are fired at regular intervals of either time or distance. (Optional, Not repeatable) time time Time or distance interval between shots. (Optional, Not repeatable) 0.25 10 Sampling interval for seismic recording. (Optional, Not repeatable) 62 2000 For Chirp systems - the manufacturer specified min/max frequency range of the emitted source signal. (Optional, Not repeatable) 500 Hz to 3.5 kHz and 30 millisecond window n/a Total length of the recorded seismic trace in time. (Optional, Not repeatable) 300 8192 Yes if compass birds were used on the steamer cable. (Optional, Not repeatable) n/a yes Yes if the tail buoy on end of streamer cable had an active GPS for positioning. (Optional, Not repeatable) n/a yes Yes if the beginning of data recording is delayed for a specified time interval after each shot. Used for example in older generation seismic surveys in deep water settings to exclude the water column. (Optional, Not repeatable) no no Power setting of seismic source - used for high frequency subbottom systems. (Optional, Not repeatable) 500 joules n/a Unique id of this acquisition information. If there is more than one acquisition configuration for an expedition then a new table should be created. The limits of coverage of a data set expressed by latitude and longitude values in the order western-most, eastern-most, northern-most, and southern-most. (Mandatory, Repeatable)- Northern-most latitude coordinate of the dataset extent expressed in decimal degrees. (Mandatory, Not repeatable) -60.3486 Southern-most latitude coordinate of the dataset extent expressed in decimal degrees. (Mandatory, Not repeatable) -69.4320 Eastern-most longitude coordinate of the dataset extent expressed in decimal degrees. (Mandatory, Not repeatable) -55.502 Western-most longitude coordinate of the dataset extent expressed in decimal degrees. (Mandatory, Not repeatable) -79.8162 Reference to documentation or dataset. (Mandatory?, Repeatable) Name of the individual that developed the data set or authored the resource. (Mandatory, Repeatable) GEBCO Sub-Committee on Undersea Feature Names Name by which the cited resource is known (ISO 19115) (Mandatory, Not repeatable) IHO-IOC GEBCO Gazetteer (Mandatory, Repeatable) date: 2007, dateTypeCode: published Name of journal where cited resource is published. (Optional, Not repeatable) Journal pages of cited resource. (Optional, Not repeatable) Journal volume. (Optional, Not repeatable) Digital Object Identifier of cited resource. (Optional, Not repeatable) File name of cited object. (Optional, Not repeatable) URL to remote location or publication of cited resource. (Optional, Not repeatable) http://www.gebco.net/data_and_products/undersea_feature_names/documents/gazet_sept2007.xls Unique identifier of the cited resource. edu.utexas.ig._001 Contact information of person or organization. (Mandatory, Repeatable) Name of the contact organization. (Mandatory, Repeatable) Lamont-Doherty Earth Observatory Contact person name. (Mandatory, Not repeatable) John C. Mutter Contact email. (Mandatory, Not repeatable) jcm@ldeo.columbia.edu Role code of contact, based on ISO 19115 controlled vocabulary. (Mandatory, Not repeatable) principalInvestigator Unique identifier of contact information. Mutter_J The date when the cited resource was published or otherwise made available for release. (CSDGM 1998) Typically this is the survey start date with date type code of 'creation'. (Mandatory, Not repeatable) 1991-02-01 creation: survey start date or beginning of data collection; publication: release date; revision: when data was processed or revised. (Mandatory, Not repeatable) creation Identifier that references just the cruiseID associated with the dataset or the id of a separate cruise level metadata record. It could also represent an entryID, expeditionID or fieldActivityID if cruiseID is not available. (Optional, Repeatable) EW9101 Names of geographic locations associated with the dataset and a citation to the featureName authority. (Optional, Repeatable) Name of geographic feature, specific location or area. South Pacific Ocean Reference id to a publication of geographic names or Gazetteer, for example, the IHO of Undersea Feature Names. (Optional, Not repeatable) edu.utexas.ig._001 Ship Name and responsible organization. Note: this could be apply to other types of platforms, as well. (Optional, Repeatable) Name of the ship (Mandatory, Not repeatable) Maurice Ewing Platform operator (not owner). (Mandatory, Not repeatable) LDEO Processing parameters for the dataset or seismicDataObject. Defines whether the processing was for the dataset or the dataObject. (Mandatory, Not repeatable) dataset Identifier of the processed data set that served as parent or field dataset for processing. (Optional, Repeatable) Unique identifier of the parent dataset. org.marine-geo:EW9101_parent001 Description of processing performed on the dataset or object. Or more general lineage description. (Mandatory, Not repeatable) UTIG: Data processing used CG and G's Geovecteur software. CMPs for stacking were calculated from a mean distance between shots for each line segment. Some processing histories are in the UTIG archive. LDEO: MCS in house processing. For all files: edit traces, timing correction, outside mute, normal move out and stack. Date of process step action. (Optional, Not repeatable) Contact information of person who performed the processing. (Optional, Not repeatable) Unique identifier for this set of processing parameters. Organization that sponsored the development of dataset and award information. (Optional, Repeatable) (Optional, Repeatable) National Science Foundation Should we have an organization vocab list? (Mandatory, Not repeatable) The Pacific Margin of the Antarctic Peninsula: A Marine Geophysical Study of the Tectonic Evolution of Andean-Type Orogen (Optional, Not repeatable) 8916436 (Mandatory, Repeatable) Unique identifier for the project sponsor gov.nsf:OCE94-18135 A seismic data file (e.g. a SEG-Y) (Optional, Repeatable) Identifier reference to seismic line associated with a seismic data object. LineID or StationID should be populated. The ID is enforced locally. (Optional, Repeatable) sap02 (Optional, Repeatable) 1069 Reference to the id of seismic station information (for OBS or sonobuoy) associated with a seismic data object. (Optional, Repeatable) edu.texas.ig:EW9204_xxx (Mandatory, Repeatable) Online format of digital file (Mandatory, Not repeatable) SEGY Indicates whether the navigation information is included in the seismic data object file header. (Mandatory, Not repeatable) yes Navigation file that corresponds with this data file or data object. There may not always be a navigation file, e.g. for a data compilation represented as one xml element with structured text. (Optional, Repeatable) ar54.5558.ew9101.sap02.stack.ploc Classiification how the data was generated (Optional, Repeatable) DigitalSeg:DigitallyAcquired stack changed name from dataProcessing to processedDataClass (am 02/04/2009) Reference to the id for processingParameters for a data object, This information is intended to describe unique processing information for each seismic data object. (Optional, Repeatable) edu.utexas.ig:ew9101:ar54.5558_01 Reference to more documentation that captures the processing/lineage in more detail. (Optional, Repeatable) ar54.5558.hst (e.g., jpeg of sidepanel, sioseis script, program flow) Keep as free text field, however will need to develop best practices to ensure the ancillary processing documents are sent to archive and relationship to dataset/datafile is maintained. Reference to id of access control information for the data object, if the access is the same for the entire dataset then you can re-use the dataset access information. (Mandatory, Not repeatable) edu.utexas.ig:ew9101_access01 unique identifier of the seismic data object file (Optional. ar41.0015.ew9101.ap-02.stack.segy (Optional, Repeatable) Beginning latitude coordinate of seismic line expressed in decimal degrees. (Optional, Not repeatable) -66.7363 Ending latitude coordinate of seismic line expressed in decimal degrees. (Optional, Not repeatable) -65.8171 Beginning longitude coordinate of seismic line expressed in decimal degrees. (Optional, Not repeatable) -69.3384 Ending longitude coordinate of seismic line expressed in decimal degrees. (Optional, Not repeatable) -71.8139 First date and time of seismic line. (Optional, Not repeatable) 1991-03-02T00:00:00 Last date and time of seismic line. (Optional, Not repeatable) 1991-03-03T00:00:00 (Optional, Not repeatable) 1 (Optional, Not repeatable) 2923 Total length of the recorded seismic trace in time. (Optional, Not repeatable) 16 !needs good definition! (Optional, Not repeatable) 4000 Units same as sampleInterval field in AcquisitionParameters. Details of data collection for a particular line. (Optional, Not repeatable) edu.utexas.ig:ew9101_001 Unique identifier for seismic line. Identifier value is controlled internally by data providers. sap02 (Optional, Repeatable) may not always have a navigation file associate with dataset or seismic object. Most likely used for a data compilation. Identifier reference to seismic line. Unique ids are internally controlled by data provider. (Mandatory, Not repeatable) sap02 Field name was "lineID" (Optional, Not repeatable) WGS84 Number of offset corrections, associated with the navigation system and processing procedures, of the geographic position of the seismic trace that were made. (Mandatory, Not repeatable) yes File format of the seismic navigation file. Note: TAR and Zip are not formats - they are a compression. (Mandatory, Not repeatable) Text Free text field for further descriptions about the navigation or the navigation file. (Optional, Not repeatable) Used navigation table relating CMPs to latitude/longitude. Then interpolated latitude/longitude to other CMPs. Positions are the latitude/longitude of the center of the particular cdp bin. Identifier of navigation file. The unique ids are internally controlled by data provider. ar54.5558.ew9101.sap02.stack.ploc OBS or sonobuoy associated with dataset or seismic data object. (Optional, Repeatable) Name of station. (Optional, Not repeatable) stn-01 Identification of seismic station device (Optional, Not repeatable) Seismic:OBS Should this come from a vocabulary list? Change to deviceType?? Are horizontal components oriented by rotation? Yes, No, or Undocumented. (Optional, Not repeatable) no Longitude position of station in decimal degrees.(Optional, Not repeatable) 27.611 Longitude position of station in decimal degrees. (Optional, Not repeatable) -94.114972 Specify whether this is the standard SEG-Y specified format with 16 bits in byte 109 or a specialized format (sometimes used by UTIG) with 32 bits in byte 107. (Optional, Not repeatable) 16 bit removed _in Meters and xs:decimal type - not sure why this was there (am. 6/09) Maximum shot distance on side 1 from OBS, in meters. (Optional, Not repeatable) -16094 Maximum shot distance on side 2 from OBS, in meters. (Optional, Not repeatable) 16495 Unique ID of this seismic station information. (Optional) edu.utexas.ig:fm3001_stn-01 (Optional, Repeatable) (Mandatory, Not repeatable) 1 (Mandatory, Not repeatable) horizontal Beginning and ending dates of dataset content. (Optional, Repeatable) Single value encoded as YYYY, YYYY-MM or YYYY-MM-DD.(Mandatory, Not repeatable) Single value encoded as YYYY, YYYY-MM or YYYY-MM-DD.(Mandatory, Not repeatable) restrictions for accessing the data set for definition: ? each SDO may be unique wrt access public access to the data has been delayed (e.g., PI may still be working on data) pubic has unrestricted access to data public has unrestricted access to only some of the data; access to remaining data may be restricted or delayed public does not have access to the data; these data may be proprietary vocabulary for system type describes the level of processing data has undergone collection of different types/classes of data (e.g., fledermaus scene, movie of 3D volume, geoquest project) untouched or minimally field processed (e.g., word or media formatting, header additions); includes unprocessed SCS, CHIRP, 3.5 kHz any irreversible processing or header manipulation format of digital file standard Bit-mapped graphic format format used for text documents by Microsoft Word output from Fledermaus interactive 3D data visualization system Graphics Interchange Format, a bitmap image format HyperText Markup Language, the predominant markup language for Web pages Joint Photographic Experts Group, method of compression for photographic images Knudsen Binary format zipped KML files with a .kmz extension, for Google Earth or Map applications Keyhole Markup Language, an XML-based language schema for expressing geographic annotation and visualization in Google Earth or Map applications QuickTime file format UKOAA post plot positioning data format UKOOA data exchange format designed to record positioning data for both 2D and 3D seismic surveys Portable Document Format Portable Network Graphics format dynamically typed concatenative programming language known for its use as a page description language in the electronic and desktop publishing areas a type of original acquired format for seismic data developed by the Society of Exploration Geophysicists a type of original acquired format for seismic data developed by the Society of Exploration Geophysicists a type of original acquired format for seismic data developed by the Society of Exploration Geophysicists unformatted ASCII file format Tagged Image File Format spreadsheet file format used by Microsoft Excel eXtensible Text Framework "is an architecture that supports searching across collections of heterogeneous textual data" (XML, PDF, text) For non-digital files. The media used for dataset transfer. kind of data differentiated by the type of receiver or source controlled source Expanding Spread Profiling more than one channel data is appropriate for 3-D processing Ocean Bottom Seismograph one channel only floating buoy receiver Chirp, 3.5 kHz controlled sources natural source Codelist values that identify the type of date for cited resource. creation Start date of cruise and/or data collection. This is the recommended value for the dataset or object. When the data was made available to the public, recommended if creation date of dataset is unknown. Typically this is used for the publication date of a paper or cited reference. When the data was processed or revised or there is a new version released or cited object. (Not recommended for seismic dataset date). device used to create sound or receive sound source and receiver types are grouped into one list (am 06/09) Measures gravitational field of Earth. Also called OBH, deployed on the sea floor. Like an OBH, but connected by a cable. Like an OBH, but floats at the surface. Towed array of hydrophones. Single beam, measures a range. Towed scanner using light, aka lidar in aircraft. Measures magnetic field of Earth. Fixed frequency. These penetrate bottom and create SEGY files. Makes noises in the water, e.g. dynamite. Pneumatic, make noises in the water. Pneumatic, make noises in the water. Fixed frequency. These penetrate bottom and create SEGY files. Receiver. Also called OBS, seismometer placed on the sea floor Acoustic doppler current profiler. Swept frequency sub-bottom profiler. Single, dual, and split beams. E.g. 3.5 kHz. Measures bathymetry and sidescan. Example: make = SeaBeam, model = 2112. Articulating, profiling. Example: make = Imagenex, model = 801. The intensity of the acoustic reflections from the seafloor. Offset corrections, associated with the navigation system and processing procedures, of the geographic position of the seismic trace that were made yes no offset corrections between navigation antenna and receiver made for the trace location some offset corrections between navigation antenna and receiver made for the trace location this information is not documented all offset corrections made for the trace location Are horizontal components oriented by rotation? the horizontal components were not rotated this information is not documented the horizontal components were rotated primary classification of data processing results shot data sorted into common mid-point gathers Shot data sorted into 3-D common mid-point gathers. method to reposition the seismic image to a truer subsurface position; may be done pre-stack, post-stack, or partially migration of 3-D seismic data volume depth migration of 3-D seismic data volume migrated data that was then depth-converted a single trace from a shot gather used in processing no processing done e.g., resampled to 4ms summed traces of common mid-points summed traces of 3-D common mid-points this information is not documented, yet may still be processed. data may be processed for reflections, refractions or velocities; for use if DataClass = Processed or Compilation processed for reflections processed for refractions processed for velocities the class of information to which the processing was applied processing was applied to group of data objects with something in common (e.g., acquired on the same field expedition; processed the same; etc.) processing was applied to a particular dataObject, e.g. a particular SEG-Y. processing parameters describes history/lineage of the devices used to collect the data. processing parameters describes history or processing during data collection Function performed by the responsible party or contact.(ISO 19115) resourceProvider person who writes the paper person/organization who cares for the data , e.g. the archive person/organization who distributes the data person who creates/collects data person/organization who owns the data person who serves as coordinator/information distributor of a project lead scientist of an investigation the person who processed the data organization that published the data/paper person/organization who provided the data person who is using the data Classiification how the data was generated Paper, film or other media digitally recorded data in a standard Society of Exploration Geophysics format Field samples recorded as digital values image scanned to create a standard Society of Exploration Geophysics (SEG-Y) format scanned from analog record, may have navigation file image is geo-referenced image identifies how shot spacing control was activated, either by time or distance shot spacing controlled by distance between shots shot spacing controlled by time between shots The identification of the survey reference system, as pertains to the referencing object (e.g. acquisitionParameters or NavFile). Note that the datum could be the same as time of acquisition or different. for use with OBS data; describes whether a channel was used to sense vertical ground motion, horizontal ground motion, or pressure variation senses horizontal ground motion senses pressure variation this information is not documented senses vertical ground motion for use with that require a yes or no answer