Surface CUrrents from a Diagnostic model (SCUD): Pacific

The SCUD data product is an estimate of upper-ocean velocities computed from a diagnostic model (Surface CUrrents from a Diagnostic model). This model makes daily estimates of ocean currents by combining geostrophic and Ekman currents. The estimate is computed through derived coefficients such that the results best match ocean drifting buoys. The currents therefore are a best-estimate of currents at 15 meters (drifting buoys are drogued at 15 meters). The dataset is intended to diagnose trajectories of a tracer floating near the surface such as marine debris, oil spills, etc. The data are provided on a 1/4-degree grid for the Pacific. acknowledgement=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). cdm_data_type=Grid comment=Model runs produced by Nikolai Maximenko ([e-mail]). Conventions=CF-1.6, ACDD-1.3 CreatedBy=IPRC/SOEST U. of Hawaii CreatedOn=2024-12-01 03:05:11 HST date_metadata_modified=2021-03-30 defaultGraphQuery=.draw=vectors Easternmost_Easting=291.875 File_type=gridded lat/lon geospatial_bounds=POLYGON ((-70.125 119.875, 61.875 119.875, 61.875 180.0, -70.125 180.0, -70.125 119.875), (-70.125 -180.0, 61.875 -180.0, 61.875 -68.125, -70.125 -68.125, -70.125 -180.0)) geospatial_bounds_crs=EPSG:4326 geospatial_lat_max=61.875 geospatial_lat_min=-70.125 geospatial_lat_resolution=0.25 geospatial_lat_units=degrees_north geospatial_lon_max=291.875 geospatial_lon_min=119.875 geospatial_lon_resolution=0.25 geospatial_lon_units=degrees_east history=2012-03-17T00:00:00Z PacIOOS distribution begins. id=scud_pac infoUrl=http://apdrc.soest.hawaii.edu/projects/SCUD/ institution=Pacific Islands Ocean Observing System (PacIOOS) instrument=Not Applicable > Not Applicable instrument_vocabulary=GCMD Instrument Keywords ISO_Topic_Categories=oceans keywords_vocabulary=GCMD Science Keywords locations=Ocean > Pacific Ocean locations_vocabulary=GCMD Location Keywords metadata_link=https://www.pacioos.hawaii.edu/metadata/scud_pac.html naming_authority=org.pacioos Northernmost_Northing=61.875 platform=Models/Analyses > > Operational Models platform_vocabulary=GCMD Platform Keywords program=Pacific Islands Ocean Observing System (PacIOOS) project=Pacific Islands Ocean Observing System (PacIOOS) references=http://apdrc.soest.hawaii.edu/projects/SCUD/ source=Surface CUrrents from a Diagnostic model (SCUD), http://apdrc.soest.hawaii.edu/projects/SCUD/ sourceUrl=https://pae-paha.pacioos.hawaii.edu/thredds/dodsC/scud_pac Southernmost_Northing=-70.125 standard_name_vocabulary=CF Standard Name Table v39 testOutOfDate=now-46hours time_coverage_end=2024-12-02T00:00:00Z time_coverage_resolution=P1D time_coverage_start=2012-03-17T00:00:00Z Version=v 1.0 Westernmost_Easting=119.875SCUD数据产品是基于诊断模型（表面诊断模型）计算得到的上层海洋速度估计值。该模型通过结合地转流和埃克曼流，每日对海洋流进行估算。该估计值通过导出系数计算，以使结果与海洋漂流浮标的数据最佳匹配。因此，这些流速是15米深度（漂流浮标被拖曳至15米深度）的最佳估计值。该数据集旨在诊断表面附近漂浮的示踪剂（如海洋垃圾、溢油等）的轨迹。数据以1/4度网格形式提供，覆盖太平洋区域。

搜集汇总

背景与挑战

背景概述

该数据集是太平洋区域的表面洋流诊断模型（SCUD）产品，通过结合地转流和埃克曼流，每日估算上层海洋流速，旨在模拟近表面漂浮物（如海洋垃圾和油污）的轨迹。数据覆盖太平洋，基于1/4度空间网格，时间范围从2012年3月17日持续到2024年12月2日，适用于海洋环境诊断和研究。