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Commercial Vessel Density October 2009-2010 AIS UTM19

Summary

Type of release
ongoing release of a series of related datasets

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
27 September 2015
Modified Date
27 September 2015
Update Frequency
notPlanned
Publishers
National Oceanic and Atmospheric Administration, Department of Commerce
Identifier
commercial-vessel-density-october-2009-2010-ais-utm19
Landing Page
http://catalog.data.gov/dataset/commercial-vessel-density-october-2009-2010-ais-utm19

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Description

These data were generated to provide insight into marine traffic patterns on a macro scale so they could be analyzed across the coastal waters of the Continental United States, this data set is for the UTM Zone 19N. For this dataset a transit is counted for every unique vessel intersecting a 1 kilometer square grid cell each day. This data represents the total number of vessel transits from October 2009 - October 2010. Some grid cells were unable to be processed, but this does not interfere with the integrity of this dataset. Please note multiple connection errors occurred during the time frame of this study. In most cases data gaps were filled by making subsequent request to the coastguard or other groups receiving the same data feed. However, due to resource constraints uninterrupted coverage was not obtained. Overall data outages were minimal on the order less than a day per month and because random and affect all areas uniformly do not has a significant effect on the integrity of the data. Also as stated on the USCG NAIS website AIS data is not representative of all vessel traffic and USCG NAIS receivers do not fully cover the entire extent of this study area. Please take time to understand both of these limitations.

Informazioni generali

Informazioni legali

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

  • La dichiarazione dei diritti è in

    http://catalog.data.gov/dataset/commercial-vessel-density-october-2009-2010-ais-utm19 Do you think this data is incorrect? Let us know

  • Under which licence can people outside the US reuse this data?

    Creative Commons CCZero Do you think this data is incorrect? Let us know

  • Ci sono

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  • Il contenuto è disponibile sotto

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Informazioni pratiche

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Informazioni tecniche

Informazioni aggiuntive

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