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数据集标题:  CalCOFI NOAA Ichthyoplankton Tows Subscribe RSS
机构:  NOAA SWFSC   (数据集 ID: erdCalCOFItows)
范围: longitude = -179.8217 到 -77.22833°E, latitude = 0.001666 到 54.28667°N, time = 1951-01-09T18:16:00Z 到 2023-01-25T18:45:00Z
信息:  概括 ? | 执照 ? | FGDC | ISO 19115 | 元数据 | 背景 （外部链接） | 子集 | 数据访问表 | 文件
 
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您可以使用图表来做的事情

当然，你可以对图表做任何你想做的事情。但你可能没有考虑到以下几点：

此数据集的数据集属性结构 (.das)

Attributes {
 s {
  cruise {
    String description "Six-digit cruise code (YYYYMM)";
    String ioos_category "Identifier";
    String long_name "Cruise";
  }
  ship {
    String description "Ship name";
    String ioos_category "Identifier";
    String long_name "Ship Name";
  }
  ship_code {
    String description "Two-digit CalCOFI ship code";
    String ioos_category "Identifier";
    String long_name "Ship Code";
  }
  order_occupied {
    Int32 actual_range 1, 1000;
    String description "Ordinal number in which the station was sampled for the cruise and ship";
    String ioos_category "Identifier";
    String long_name "Order Occupied";
  }
  tow_type {
    String description "Net gear type. See the CalCOFI Tow Types table.";
    String ioos_category "Identifier";
    String long_name "Tow Type";
  }
  tow_number {
    Int32 actual_range 1, 50;
    String description "Replicate tow number for the station, net type, and location";
    String ioos_category "Identifier";
    String long_name "Tow Number";
  }
  net_location {
    String description "Port or Starboard location of net for paired tow types (e.g., bongo or pairovet)";
    String ioos_category "Identifier";
    String long_name "Net Location (side)";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range -5.9885904e+8, 1.6746723e+9;
    String axis "T";
    String description "Tow start time (yyyy-MM-dd'T'HH:mm:ss'Z')";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  end_time {
    String description "Tow end time (yyyy-MM-dd'T'HH:mm:ss'Z')";
    String ioos_category "Time";
    String long_name "End Time";
    String units "datetime (UTC)";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 0.001666, 54.28667;
    String axis "Y";
    String description "Latitude of Station";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -179.8217, -77.22833;
    String axis "X";
    String description "Longitude of Station";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  line {
    Float32 actual_range -29.5, 394.9;
    String description "Nominal CalCOFI Line";
    String ioos_category "Location";
    String long_name "CalCOFI Line";
  }
  station {
    Float32 actual_range -283.0, 718.8;
    String description "Nominal CalCOFI Station";
    String ioos_category "Location";
    String long_name "CalCOFI Station";
  }
  standard_haul_factor {
    Float32 actual_range 0.01, 835.58;
    String ioos_category "Other";
    String long_name "Standard Haul Factor";
  }
  volume_sampled {
    Float32 actual_range 0.3, 5727.0;
    String description "Volume of water sampled by the net";
    String ioos_category "Other";
    String long_name "Volume Sampled";
    String units "meters^3";
  }
  proportion_sorted {
    Float32 actual_range 0.033, 1.0;
    String description "Proportion of the net sample that was sorted in the laboratory";
    String ioos_category "Other";
    String long_name "Proportion Sorted";
  }
  mesh_size {
    Float32 actual_range 0.035, 0.55;
    String description "Net mesh size";
    String ioos_category "Other";
    String long_name "Mesh Size ()";
    String units "microns";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String Conventions "COARDS, CF-1.6, ACDD-1.3, NCCSV-1.2";
    String defaultGraphQuery "longitude,latitude,sorted_plankton_volume&cruise=\"202301\"&sorted_plankton_volume>=0";
    Float64 Easternmost_Easting -77.22833;
    Float64 geospatial_lat_max 54.28667;
    Float64 geospatial_lat_min 0.001666;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -77.22833;
    Float64 geospatial_lon_min -179.8217;
    String geospatial_lon_units "degrees_east";
    String history 
"2025-05-04T21:01:58Z (local files)
2025-05-04T21:01:58Z https://coastwatch.pfeg.noaa.gov/tabledap/erdCalCOFItows.das";
    String infoUrl "https://oceanview.pfeg.noaa.gov/CalCOFI/calcofi_info.html";
    String institution "NOAA SWFSC";
    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.";
    Float64 Northernmost_Northing 54.28667;
    String publisher_email "ed.weber@noaa.gov";
    String publisher_name "Ed Weber";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 0.001666;
    String standard_name_vocabulary "CF-12";
    String subsetVariables "cruise, station, line, tow_type, tow_number,net_location";
    String summary "Location and summary information about individual net tows.";
    String time_coverage_end "2023-01-25T18:45:00Z";
    String time_coverage_start "1951-01-09T18:16:00Z";
    String title "CalCOFI NOAA Ichthyoplankton Tows";
    Float64 Westernmost_Easting -179.8217;
  }
}

 

使用 tabledap 从表格数据集请求数据和图表

tabledap允许您通过特殊格式的 URL 从表格数据集（例如浮标数据）中请求数据子集、图表或地图tabledap使用OPeNDAP (external link)数据访问协议 (DAP ) (external link)及其选择约束 (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。

Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.


 
Translated by Google ?
ERDDAP ，版本2.26
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