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ERDDAP > griddap > 数据访问表 ?

数据集标题:  Chlorophyll (Gap-filled DINEOF), NOAA S-NPP NOAA-20, VIIRS, Near Real-Time,
Global 9km, 2020-present, Daily
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机构:  NOAA NESDIS CoastWatch   (数据集 ID: nesdisVHNnoaaSNPPnoaa20NRTchlaGapfilledDaily)
信息:  概括 ? | 执照 ? | FGDC | ISO 19115 | 元数据 | 背景 (外部链接) | 文件 | 制作图表
 
方面 ? 开始 ? 步幅 ? 停止 ?  尺寸 ?    间距 ?
 time (UTC) ?      1563    1 day 4h 2m 28s (不均匀的)
  < slider >
 altitude (m) ?      1    (只有一个值)
  < slider >
 latitude (degrees_north) ?      2160    -0.08333334 (不均匀的)
  < slider >
 longitude (degrees_east) ?      4320    0.08333334 (不均匀的)
  < slider >
 
网格变量(始终也会下载所有维度变量) 
 chlor_a (Chlorophyll Concentration, DINEOF Gap-Filled, mg m^-3) ?

文件类型: (更多信息)

(Documentation / Bypass this form) ?
 
(请耐心等待,获取数据可能需要一段时间。)


 

此数据集的数据集属性结构 (.das)

Attributes {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.58868e+9, 1.74636e+9;
    String axis "T";
    String calendar "gregorian";
    String ioos_category "Time";
    String long_name "Time";
    String source_name "time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  altitude {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "up";
    Float64 actual_range 0.0, 0.0;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Altitude";
    String positive "up";
    String standard_name "altitude";
    String units "m";
  }
  latitude {
    UInt32 _ChunkSizes 2160;
    String _CoordinateAxisType "Lat";
    Float32 actual_range -89.95834, 89.95834;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String source_name "lat";
    String standard_name "latitude";
    String units "degrees_north";
    Float32 valid_max 90.0;
    Float32 valid_min -90.0;
  }
  longitude {
    UInt32 _ChunkSizes 4320;
    String _CoordinateAxisType "Lon";
    Float32 actual_range -179.9583, 179.9584;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String source_name "lon";
    String standard_name "longitude";
    String units "degrees_east";
    Float32 valid_max 180.0;
    Float32 valid_min -180.0;
  }
  chlor_a {
    Float32 _FillValue -999.0;
    String C_format "%.4g";
    String cell_methods "time:mean(interval:1 day)";
    Float64 colorBarMaximum 30.0;
    Float64 colorBarMinimum 0.03;
    String colorBarScale "Log";
    String coverage_content_type "physicalMeasurement";
    String grid_mapping "coord_ref";
    String ioos_category "Ocean Color";
    String long_name "Chlorophyll Concentration, DINEOF Gap-Filled";
    String standard_name "mass_concentration_of_chlorophyll_a_in_sea_water";
    String units "mg m^-3";
    Float32 valid_max 100.0;
    Float32 valid_min 0.001;
  }
  NC_GLOBAL {
    String _lastModified "2025-05-05T21:15:09.000Z";
    String cdm_data_type "Grid";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "coastwatch.info@noaa.gov";
    String creator_name "NOAA CoastWatch";
    String creator_type "group";
    String creator_url "https://coastwatch.noaa.gov/";
    Int32 data_bins 4490120;
    Float32 data_maximum 767.1562;
    Float32 data_minimum 9.84289e-4;
    String date_created "2025-05-05T21:15:09.000Z";
    Float64 Easternmost_Easting 179.9584;
    Float32 easternmost_longitude 180.0;
    Int32 end_orbit_number 0;
    Float64 geospatial_lat_max 89.95834;
    Float64 geospatial_lat_min -89.95834;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 179.9584;
    Float64 geospatial_lon_min -179.9583;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 0.0;
    Float64 geospatial_vertical_min 0.0;
    String geospatial_vertical_positive "up";
    String geospatial_vertical_units "m";
    String grid_mapping_name "latitude_longitude";
    String history 
"/data/data652/coastwatch/oc/L3/scripts/bin/l3mapgen par=/data/data652/coastwatch/oc/L3/scripts/bin/../config/l3mapgen_par_dineof_chlor_a ifile=/data/data652/coastwatch/oc/L3/scripts/bin/../temp/Config_nrt_dineof/V2025124_oci_L3_nrt.nc ofile=/data/data369/viirs/L3_dineof/124/V2025124_a1_WW00_chlor_a.nc   Mon May  5 21:15:10 2025
: /data/data652/coastwatch/oc/L3/scripts/bin/l3cnvtr -b -s Suomi-NPP,NOAA-20 /data/data369/viirs/L3_dineof/124/V2025124_a1_WW00_chlor_a.nc /data/aftp/socd1/mecb/coastwatch/viirs/nrt/L3/global/chlora/dineof/2025/V2025124_a1_WW00_chlora.nc
2025-05-06T15:12:05Z (local files)
2025-05-06T15:12:05Z https://coastwatch.pfeg.noaa.gov/erddap/zh-CN/griddap/nesdisVHNnoaaSNPPnoaa20NRTchlaGapfilledDaily.das";
    String id "L3//data/dmz/pub0070/DINEOF/EOF-global-daily4/reconstructed_mixoci/V2025124_oci_L3_nrt.nc";
    String identifier_product_doi "https://dx.doi.org";
    String identifier_product_doi_authority "https://dx.doi.org";
    String infoUrl "https://coastwatch.noaa.gov/";
    String institution "NOAA NESDIS CoastWatch";
    String instrument "VIIRS";
    String keywords "altitude, applications, baseline, center, chlorophyll, data, environmental, graphics, imager, imager/radiometer, imaging, information, infrared, latitude, leaving, longitude, mean, merged, n20, national, nesdis, noaa, NOAA-20, normalized, npp, optical, optical properties, orbiting, overlay, partnership, planes, polar, polar-orbiting, properties, radiance, radiometer, research, satellite, service, suite, time, viirs, visible, water, water-leaving, ww00";
    String keywords_vocabulary "NASA Global Change Master Directory (GCMD) Science Keywords";
    String l2_flag_names "ATMFAIL,LAND,HIGLINT,HILT,HISATZEN,CLOUD,HISOLZEN,CHLFAIL,NAVWARN,CLDSHDSTL,ALGICE,SEAICE,NAVFAIL,FILTER";
    Float32 latitude_step 0.083333336;
    String latitude_units "degrees_north";
    String license 
"The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    Float32 longitude_step 0.083333336;
    String longitude_units "degrees_east";
    String map_projection "geographic";
    String measure "Mean";
    String Metadata_Conventions "Unidata Dataset Discovery v1.0";
    String naming_authority "gov.noaa.coastwatch";
    Float32 northernmost_latitude 90.0;
    Float64 Northernmost_Northing 89.95834;
    Int32 number_of_columns 4320;
    Int32 number_of_lines 2160;
    String platform "Suomi-NPP, NOAA-20";
    String processing_level "L3 Mapped";
    String processing_version "Unspecified";
    String product_name "V2025124_a1_WW00_chlora.nc";
    String project "Ocean Color Science Team (NOAA/NESDIS/STAR/OCST)";
    String publisher_email "coastwatch.info@noaa.gov;ncei.info@noaa.gov";
    String publisher_name "NOAA CoastWatch;National Centers for Environmental Information (NCEI)";
    String publisher_url "https://coastwatch.noaa.gov;https://www.ncei.noaa.gov/";
    String Satellite 
"Suomi-NPP
 NOAA-20";
    String Sensor "VIIRS";
    String sourceUrl "(local files)";
    Float32 southernmost_latitude -90.0;
    Float64 Southernmost_Northing -89.95834;
    String spatialResolution "9.28 km";
    String standard_name_vocabulary "CF Standard Name Table v29";
    Int32 start_orbit_number 0;
    String suggested_image_scaling_applied "No";
    Float32 suggested_image_scaling_maximum 20.0;
    Float32 suggested_image_scaling_minimum 0.01;
    String suggested_image_scaling_type "LOG";
    String summary "Visible and Infrared Imager/Radiometer Suite/Suomi-NPP NOAA-20 (VIIRS) Level-3 (WW00), Chlorophyll, DINEOF, Gap filled, MSL12,  Global, Daily, processed by NOAA.  EXPERIMENTAL.";
    Float32 sw_point_latitude -89.958336;
    Float32 sw_point_longitude -179.95833;
    String temporal_range "daily";
    String testOutOfDate "now-4days";
    String time_coverage_end "2025-05-04T12:00:00Z";
    String time_coverage_start "2020-05-05T12:00:00Z";
    String title "Chlorophyll (Gap-filled DINEOF), NOAA S-NPP NOAA-20, VIIRS, Near Real-Time, Global 9km, 2020-present,  Daily";
    Float64 Westernmost_Easting -179.9583;
    Float32 westernmost_longitude -180.0;
  }
}

 

使用 griddap 从网格数据集请求数据和图表

griddap允许您通过特殊格式的 URL 从网格数据集中请求数据子集、图表或地图(例如,来自卫星的海面温度数据)。griddap 使用OPeNDAP  (external link)数据访问协议 (DAP )  (external link)及其投影约束 (external link)

URL 指定您想要的内容:数据集、图表或数据子集的描述以及响应的文件类型。

griddap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/griddap/jplMURSST41.htmlTable?analysed_sst[(2002-06-01T09:00:00Z)][(-89.99):1000:(89.99)][(-179.99):1000:(180.0)]
Thus, the query is often a data variable name (e.g., analysed_sst), followed by [(start):stride:(stop)] (or a shorter variation of that) for each of the variable's dimensions (for example, [time][latitude][longitude]).

For details, see the griddap Documentation.


 
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ERDDAP ,版本2.26
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