Commercial Vessel Density October 2009-2010 AIS National
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https://www.fisheries.noaa.gov/inport/item/48862
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These data were generated to provide insight into traffic patterns on a macro scale so they could be analyzed across the coastal waters of the Continental United States. 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. There were some gri...
本数据集旨在深入探讨美国大陆沿海水域的宏观交通模式，以便于跨区域进行分析。在此数据集中，每日对每个独特的船舶穿越1平方公里网格单元的行为进行计数。所提供数据反映了自2009年10月至2010年10月期间船舶总穿越次数。其中存在一些问题...
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www.fisheries.noaa.gov
