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Title Sum-
Institution Dataset ID
     data   graph     AIS Ship Traffic: Rose Atoll: 2011-2012    ?   F   I   M   background (external link) RSS Subscribe
Pacific Islands O...  ?

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL acknowledgement String The Pacific Islands Ocean Observing System (PacIOOS) is funded through the National Oceanic and Atmospheric Administration (NOAA) as a Regional Association within the U.S. Integrated Ocean Observing System (IOOS). PacIOOS is coordinated by the University of Hawaii School of Ocean and Earth Science and Technology (SOEST).
attribute NC_GLOBAL cdm_data_type String Point
attribute NC_GLOBAL comment String Source data provided by ORBCOMM (
attribute NC_GLOBAL contributor_institution String ORBCOMM
attribute NC_GLOBAL contributor_name String ORBCOMM
attribute NC_GLOBAL contributor_role String resourceProvider
attribute NC_GLOBAL contributor_type String institution
attribute NC_GLOBAL contributor_url String (external link)
attribute NC_GLOBAL Conventions String CF-1.6, ACDD-1.3
attribute NC_GLOBAL creator_email String jimp at
attribute NC_GLOBAL creator_institution String University of Hawaii at Manoa
attribute NC_GLOBAL creator_name String James T. Potemra
attribute NC_GLOBAL creator_type String person
attribute NC_GLOBAL creator_url String (external link)
attribute NC_GLOBAL date_created String 2013-01-08
attribute NC_GLOBAL date_issued String 2013-01-08
attribute NC_GLOBAL date_metadata_modified String 2021-03-25
attribute NC_GLOBAL date_modified String 2013-01-08
attribute NC_GLOBAL Easternmost_Easting double 180.0
attribute NC_GLOBAL featureType String Point
attribute NC_GLOBAL geospatial_bounds String POLYGON ((-25.0 -180.0, 5.0 -180.0, 5.0 180.0, -25.0 180.0, -25.0 -180.0))
attribute NC_GLOBAL geospatial_bounds_crs String EPSG:4326
attribute NC_GLOBAL geospatial_lat_max double 5.0
attribute NC_GLOBAL geospatial_lat_min double -24.99992
attribute NC_GLOBAL geospatial_lat_resolution double 0.0
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 180.0
attribute NC_GLOBAL geospatial_lon_min double -223.6962
attribute NC_GLOBAL geospatial_lon_resolution double 0.0
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 0.0
attribute NC_GLOBAL geospatial_vertical_min double 0.0
attribute NC_GLOBAL geospatial_vertical_positive String up
attribute NC_GLOBAL geospatial_vertical_resolution double 0.0
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL history String 2012-08-31T00:00:00Z Data purchased from ORBCOMM and reformatted by J. Potemra.
attribute NC_GLOBAL infoUrl String (external link)
attribute NC_GLOBAL institution String Pacific Islands Ocean Observing System (PacIOOS)
attribute NC_GLOBAL instrument String Earth Remote Sensing Instruments > Passive Remote Sensing > Positioning/Navigation
attribute NC_GLOBAL instrument_vocabulary String GCMD Instrument Keywords
attribute NC_GLOBAL ISO_Topic_Categories String oceans, transportation
attribute NC_GLOBAL keywords String Earth Science > Human Dimensions > Infrastructure > Transportation
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String The data may be used and redistributed for free but is not intended for legal use, since it may contain inaccuracies. Neither the data Contributor, University of Hawaii, PacIOOS, NOAA, State of Hawaii nor the United States Government, nor any of their employees or contractors, makes any warranty, express or implied, including warranties of merchantability and fitness for a particular purpose, or assumes any legal liability for the accuracy, completeness, or usefulness, of this information.
attribute NC_GLOBAL locations String Ocean > Pacific Ocean > South Pacific Ocean > Polynesia > American Samoa > Rose Atoll
attribute NC_GLOBAL locations_vocabulary String GCMD Location Keywords
attribute NC_GLOBAL metadata_link String (external link)
attribute NC_GLOBAL naming_authority String org.pacioos
attribute NC_GLOBAL Northernmost_Northing double 5.0
attribute NC_GLOBAL platform String Earth Observation Satellites, Navigation Platforms
attribute NC_GLOBAL platform_vocabulary String GCMD Platform Keywords
attribute NC_GLOBAL processing_level String near real-time (nrt)
attribute NC_GLOBAL program String Pacific Islands Ocean Observing System (PacIOOS)
attribute NC_GLOBAL project String Pacific Islands Ocean Observing System (PacIOOS)
attribute NC_GLOBAL publisher_email String info at
attribute NC_GLOBAL publisher_institution String Pacific Islands Ocean Observing System (PacIOOS)
attribute NC_GLOBAL publisher_name String Pacific Islands Ocean Observing System (PacIOOS)
attribute NC_GLOBAL publisher_type String institution
attribute NC_GLOBAL publisher_url String (external link)
attribute NC_GLOBAL references String (external link)
attribute NC_GLOBAL source String spaceborne AIS
attribute NC_GLOBAL sourceUrl String (external link)
attribute NC_GLOBAL Southernmost_Northing double -24.99992
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v39
attribute NC_GLOBAL summary String Ship position data from a satellite-based Automatic Identification System (AIS) were obtained jointly by PacIOOS (J. Potemra), SOEST/ORE of the University of Hawaii (E. Roth), and the Papahanaumokuakea Marine National Monument (PNMN) (D. Graham) through a one-time purchase from ORBCOMM LLC. The purchase agreement was made in late 2012 and was for a 30-by-30 degree section of historical AIS data that included the region surrounding Rose Atoll in American Samoa. The data include AIS long and unchecked reports for a one year period: August 2011 through mid-August 2012. The raw, monthly GPS files were locally converted to NetCDF for the PacIOOS data servers. Due to vendor constraints, release of the raw data is limited.
attribute NC_GLOBAL time_coverage_duration String P1Y
attribute NC_GLOBAL time_coverage_end String 2012-08-17T00:00:00Z
attribute NC_GLOBAL time_coverage_start String 2011-08-01T00:07:20Z
attribute NC_GLOBAL title String AIS Ship Traffic: Rose Atoll: 2011-2012
attribute NC_GLOBAL Westernmost_Easting double -223.6962
variable obs   int  
attribute obs actual_range int 1, 1006503
attribute obs long_name String observation
attribute obs short_name String obs
attribute obs units String 0
variable time   double  
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.31215724E9, 1.3451616E9
attribute time axis String T
attribute time ioos_category String Time
attribute time long_name String Time
attribute time short_name String time
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
variable latitude   float  
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range float -24.99992, 5.0
attribute latitude axis String Y
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude short_name String lat
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable longitude   float  
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range float -223.6962, 180.0
attribute longitude axis String X
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude short_name String lon
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable ship_id_mmsi   int  
attribute ship_id_mmsi actual_range int 0, 983504710
attribute ship_id_mmsi ioos_category String Identifier
attribute ship_id_mmsi long_name String ship identification number (MMSI)
attribute ship_id_mmsi short_name String ship_id
attribute ship_id_mmsi units String 0
variable navigational_status   int  
attribute navigational_status actual_range int 0, 15
attribute navigational_status colorBarMaximum double 15.0
attribute navigational_status colorBarMinimum double 0.0
attribute navigational_status flag_meanings String under_way_using_engine at_anchor not_under_command restricted_manoeuvrability constrained_by_her_draught moored aground engaged_in_fishing under_way_sailing reserved_for_future_use reserved_for_future_use reserved_for_future_use reserved_for_future_use reserved_for_future_use AIS_SART_active not_defined
attribute navigational_status flag_values int 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
attribute navigational_status ioos_category String Other
attribute navigational_status long_name String navigational status
attribute navigational_status short_name String navstat
attribute navigational_status units String 0
attribute navigational_status valid_range int 0, 15
variable speed_over_ground   float  
attribute speed_over_ground actual_range float 0.0, 1.0
attribute speed_over_ground colorBarMaximum double 100.0
attribute speed_over_ground colorBarMinimum double 0.0
attribute speed_over_ground ioos_category String Other
attribute speed_over_ground long_name String speed over ground
attribute speed_over_ground short_name String sog
attribute speed_over_ground standard_name String platform_speed_wrt_ground
attribute speed_over_ground units String kts
variable course_over_ground   float  
attribute course_over_ground actual_range float 0.0, 4.1
attribute course_over_ground colorBarMaximum double 360.0
attribute course_over_ground colorBarMinimum double 0.0
attribute course_over_ground ioos_category String Other
attribute course_over_ground long_name String course over ground
attribute course_over_ground short_name String cog
attribute course_over_ground standard_name String platform_course
attribute course_over_ground units String deg
variable true_heading   float  
attribute true_heading actual_range float 0.0, 5.0
attribute true_heading colorBarMaximum double 360.0
attribute true_heading colorBarMinimum double 0.0
attribute true_heading ioos_category String Other
attribute true_heading long_name String true heading
attribute true_heading short_name String thead
attribute true_heading units String deg
variable rate_of_turn   float  
attribute rate_of_turn actual_range float -128.0, 127.0
attribute rate_of_turn colorBarMaximum double 128.0
attribute rate_of_turn colorBarMinimum double -128.0
attribute rate_of_turn ioos_category String Other
attribute rate_of_turn long_name String rate of turn
attribute rate_of_turn short_name String rot
attribute rate_of_turn units String degrees minutes-1
variable position_accuracy   int  
attribute position_accuracy actual_range int 0, 1
attribute position_accuracy colorBarMaximum double 1.0
attribute position_accuracy colorBarMinimum double 0.0
attribute position_accuracy flag_meanings String high_<=_10m low_>_10m
attribute position_accuracy flag_values int 0, 1
attribute position_accuracy ioos_category String Other
attribute position_accuracy long_name String position accuracy
attribute position_accuracy short_name String pflag
attribute position_accuracy units String 0
attribute position_accuracy valid_range int 0, 1

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.

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