Kd490, NOAA S-NPP VIIRS, Science Quality, 750m Sector VX, Daily

Ocean color standard products include normalized water-leaving radiances, chlorophyll-a concentration, diffusive attenuation coefficient at 490 nm and diffusive attenuation coefficient of the photosynthetically available radiation (PAR).
cdm_data_type=Grid
Conventions=CF-1.6, COARDS, ACDD-1.3
Easternmost_Easting=-59.96624999999998
geospatial_bounds=POLYGON((-120.03375 0.10875,-105.016875 0.10875,-90.0 0.10875,-74.983125 0.10875,-59.96625 0.10875,-59.96625 -11.139375,-59.96625 -22.3875,-59.96625 -33.635625,-59.96625 -44.88375,-74.983125 -44.88375,-90.0 -44.88375,-105.016875 -44.88375,-120.03375 -44.88375,-120.03375 -33.635625,-120.03375 -22.3875,-120.03375 -11.139375,-120.03375 0.10875))
geospatial_lat_max=0.10874999999999346
geospatial_lat_min=-44.88375000000001
geospatial_lat_resolution=0.0075000000000000015
geospatial_lat_units=degrees_north
geospatial_lon_max=-59.96624999999998
geospatial_lon_min=-120.03375
geospatial_lon_resolution=0.007500000000000002
geospatial_lon_units=degrees_east
geospatial_vertical_max=0.0
geospatial_vertical_min=0.0
geospatial_vertical_positive=up
geospatial_vertical_units=m
history=[MSL12 1.30][cwutils 3.6.0.111 20200520_165650]
id=noaacwNPPVIIRSSCIkd490SectorVXDaily
infoUrl=https://coastwatch.noaa.gov/cw/satellite-data-products/ocean-color/near-real-time/viirs-single-sensor.html
institution=NOAA NESDIS CoastWatch
instrument=VIIRS
keywords_vocabulary=GCMD Science Keywords
naming_authority=gov.noaa.coastwatch
Northernmost_Northing=0.10874999999999346
OBSERVED_PROPERTY=kd_490
platform=S-NPP
processing_level=L2
project=Ocean Color Science Team (NOAA/NESDIS/STAR/OCST)
source=S-NPP_VIIRS_kd490
sourceUrl=(local files)
Southernmost_Northing=-44.88375000000001
standard_name_vocabulary=CF Standard Name Table v29
time_coverage_end=2024-11-09T19:59:36Z
time_coverage_start=2012-01-02T22:09:22Z
Westernmost_Easting=-120.03375

海洋颜色标准化产品包括标准化水反射辐射、叶绿素a浓度、490纳米处的扩散衰减系数以及光合有效辐射（PAR）的扩散衰减系数。数据类型为网格，遵循CF-1.6、COARDS、ACDD-1.3约定。地理范围东至-59.96625度，南至-44.88375度，北至0.10875度，西至-120.03375度。地理纬度分辨率为0.0075度，地理经度分辨率为0.0075度，垂直单位为米，垂直方向为向上。数据历史记录包括MSL12 1.30和cwutils 3.6.0.111 20200520_165650。数据集ID为noaacwNPPVIIRSSCIkd490SectorVXDaily，信息URL为https://coastwatch.noaa.gov/cw/satellite-data-products/ocean-color/near-real-time/viirs-single-sensor.html，机构为NOAA NESDIS CoastWatch，仪器为VIIRS，关键词词汇表为GCMD科学关键词，命名权威机构为gov.noaa.coastwatch。观测属性为kd_490，平台为S-NPP，处理级别为L2，项目为海洋颜色科学团队（NOAA/NESDIS/STAR/OCST），数据源为S-NPP_VIIRS_kd490，数据源URL为本地文件。时间覆盖范围从2012年1月2日22:09:22Z至2024年11月9日19:59:36Z。

搜集汇总

背景与挑战

背景概述

该数据集提供每日更新的S-NPP VIIRS卫星科学质量数据，重点关注490 nm处的漫衰减系数（Kd490），用于研究海洋光学特性。数据覆盖特定扇形区域，时间跨度超过13年，适用于海洋颜色和光学特性的长期研究。