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griddap Subset tabledap Make A Graph wms files Title Summary FGDC ISO 19115 Info Background Info RSS Email Institution Dataset ID ALOHA Cabled Observatory (ACO): Acoustic Doppler Current Profiler (ADCP): Velocity The University of Hawaii's ALOHA (\"A Long-term Oligotrophic Habitat Assessment\") Cabled Observatory (ACO) is located 100 km north of the island of Oahu, Hawaii (22 45'N, 158W) in the North Pacific Ocean. It provides real-time oceanographic observations from a depth of about 4,800 m via a submarine fiber optic cable that comes ashore at Makaha on Oahu. This data set provides measurements of ocean current velocity at the ACO from a 250 kHz SonTek acoustic doppler current profiler (ADCP) at 1.83 m above the ocean bottom for the most recent 7 days. Velocities are flagged bad if the amplitude is excessively low or high. An amplitude is high if it exceeds the average of the ping before and the ping after by 20 counts. An amplitude is low if less than 6 counts. After this the velocities are flagged bad if the absolute deviation of the vertical velocity from its ensemble median exceeds 0.15 m/s or if its value is less than -0.25 m/s.\n\ncdm_data_type = Profile\nVARIABLES:\nstation_name\ntime (seconds since 1970-01-01T00:00:00Z)\ndepth (Depth of each location, m)\nlatitude (degrees_north)\nlongitude (degrees_east)\neastward_sea_water_velocity (current east component, meters/second)\nnorthward_sea_water_velocity (current north component, meters/second)\nupward_sea_water_velocity (current upward component, meters/second)\n (external link) University of Hawaii at Manoa aco_adcp_vel

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