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数据集标题:  Trinidad Head Line CTD Hydrography Subscribe RSS
机构:  California Polytechnic University - Humboldt, Cooperative Fisheries Oceanography Research Team, NOAA Fisheries, SWFSC, Fisheries Ecology Division   (数据集 ID: swfscTrinidadCTD)
范围: longitude = 235.23416 到 235.80234°E, latitude = 40.8641 到 41.081833°N, depth = 2.0 到 545.0m, time = 2006-11-01T09:29:03Z 到 2024-05-25T07:09:31Z
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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_name {
    String cf_role "trajectory_id";
    String ioos_category "Identifier";
    String long_name "Cruise Name";
  }
  ship_name {
    String ioos_category "Identifier";
    String long_name "Ship Name";
  }
  station {
    Int32 _FillValue 2147483647;
    Int32 actual_range 1, 7;
    String ioos_category "Identifier";
    String long_name "Station";
  }
  station_name {
    String ioos_category "Identifier";
    String long_name "Station Name";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.162373343e+9, 1.716620971e+9;
    String axis "T";
    String cf_role "profile_id";
    String ioos_category "Time";
    String long_name "Time of Cast";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue -999.0;
    Float64 actual_range 40.8641, 41.081833333333336;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue -999.0;
    Float64 actual_range 235.23416666666668, 235.80233333333334;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Int32 _FillValue 2147483647;
    Int32 actual_range 2, 545;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  temperature {
    Float64 _FillValue -999.0;
    Float64 actual_range 4.99762125, 17.59452663551402;
    Float64 colorBarMaximum 40.0;
    Float64 colorBarMinimum -10.0;
    String ioos_category "Temperature";
    String long_name "Temperature";
    String units "degree_C";
  }
  temperature_calib_flag {
    Int32 _FillValue 2147483647;
    Int32 actual_range 0, 1;
    String ioos_category "Temperature";
    String long_name "Temperature calibration flag (1=calibrated)";
  }
  salinity {
    Float64 _FillValue -999.0;
    Float64 actual_range 26.010600098135427, 34.39699503407984;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String ioos_category "Salinity";
    String long_name "Salinity";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  salinity_calib_flag {
    Int32 _FillValue 2147483647;
    Int32 actual_range 0, 1;
    String ioos_category "Salinity";
    String long_name "Salinity calibration flag (1=calibrated)";
  }
  sigma_t {
    Float64 _FillValue -999.0;
    Float64 actual_range 19.939454955839057, 27.013301704545455;
    Float64 colorBarMaximum 200.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Other";
    String long_name "Density";
    String units "kg m^-3";
  }
  sigma_t_calib_flag {
    Int32 _FillValue 2147483647;
    Int32 actual_range 0, 1;
    String ioos_category "Other";
    String long_name "Density calibration flag (1=calibrated)";
  }
  chla_raw {
    Float64 _FillValue -999.0;
    Float64 actual_range 0.034554067924528295, 62.9949691206544;
    Float64 colorBarMaximum 30.0;
    Float64 colorBarMinimum 0.03;
    String colorBarScale "Log";
    String ioos_category "Ocean Color";
    String long_name "Raw Chlorophyll a";
    String standard_name "concentration_of_chlorophyll_in_sea_water";
    String units "mg m^-3";
  }
  chla_calib {
    Float64 _FillValue -999.0;
    Float64 colorBarMaximum 30.0;
    Float64 colorBarMinimum 0.03;
    String colorBarScale "Log";
    String ioos_category "Ocean Color";
    String long_name "Calibrated Chlorophyll a";
    String standard_name "concentration_of_chlorophyll_in_sea_water";
    String units "mg m^-3";
  }
  dissolved_oxygen {
    Float64 _FillValue -999.0;
    Float64 actual_range 0.3955468814968816, 11.16729416058394;
    Float64 colorBarMaximum 1.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Dissolved O2";
    String long_name "Dissolved Oxygen";
    String standard_name "volume_fraction_of_oxygen_in_sea_water";
    String units "ml l^-1";
  }
  pH {
    Float64 _FillValue -999.0;
    Float64 actual_range 6.894, 12.958;
    Float64 colorBarMaximum 9.0;
    Float64 colorBarMinimum 7.0;
    String ioos_category "Salinity";
    String long_name "Sea Water pH";
    String standard_name "sea_water_ph_reported_on_total_scale";
    String units "pH";
  }
  PAR {
    Float64 _FillValue -999.0;
    Float64 actual_range 1.0716567226890756, 1.0e+12;
    Float64 colorBarMaximum 70.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Optical Properties";
    String long_name "Irradiance from PAR";
    String standard_name "downwelling_photosynthetic_photon_radiance_in_sea_water";
    String units "microEinsteins m^-2 s-1";
  }
  beam_attenuation {
    Float64 _FillValue -999.0;
    Float64 actual_range -0.017230705933304443, 36.241237528202554;
    String ioos_category "Optical Properties";
    String long_name "Beam Attenuation";
    String units "m^-1";
  }
  transmissivity {
    Float64 _FillValue -999.0;
    Float64 actual_range 0.021620423892100255, 102.48929123831776;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Optical Properties";
    String long_name "Transmissivity";
    String units "percent";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "TrajectoryProfile";
    String cdm_profile_variables "time,station,station_name,latitude,longitude";
    String cdm_trajectory_variables "cruise_name,ship_name";
    String Conventions "CF-1.6, ACDD-1.3, COARDS, NCCSV-1.2";
    String creator_email "eric.bjorkstedt@noaa.gov";
    String creator_name "Eric P. Bjorkstedt";
    String creator_type "person";
    String creator_url "https://www.fisheries.noaa.gov/west-coast/science-data/ocean-and-ecosystem-observations-trinidad-head-line";
    String defaultGraphQuery "longitude%2Clatitude%2Cstation&time%3E=2022-07-03T00%3A00%3A00Z&time%3C=2022-07-10T00%3A00%3A00Z&.draw=markers&.marker=5%7C5&.color=0x000000&.colorBar=%7CD%7C%7C1%7C6%7C5&.bgColor=0xffccccff";
    Float64 Easternmost_Easting 235.80233333333334;
    String featureType "TrajectoryProfile";
    Float64 geospatial_lat_max 41.081833333333336;
    Float64 geospatial_lat_min 40.8641;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 235.80233333333334;
    Float64 geospatial_lon_min 235.23416666666668;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 545.0;
    Float64 geospatial_vertical_min 2.0;
    String geospatial_vertical_positive "down";
    String geospatial_vertical_units "m";
    String history 
"2025-05-05T16:23:59Z (local files)
2025-05-05T16:23:59Z https://coastwatch.pfeg.noaa.gov/tabledap/swfscTrinidadCTD.das";
    String infoUrl "https://www.fisheries.noaa.gov/west-coast/science-data/ocean-and-ecosystem-observations-trinidad-head-line";
    String institution "California Polytechnic University - Humboldt, Cooperative Fisheries Oceanography Research Team, NOAA Fisheries, SWFSC, Fisheries Ecology Division";
    String keywords "active, attenuation, available, beam, beam_attenuation, cast, center, chemistry, chl, chla_calib, chla_raw, chlorophyll, color, concentration, concentration_of_chlorophyll_in_sea_water, conductivity, cooperative, ctd, data, density, depth, dissolved, dissolved o2, dissolved_oxygen, division, downwelling, downwelling_photosynthetic_photon_radiance_in_sea_water, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, Earth Science > Oceans > Ocean Chemistry > Oxygen, Earth Science > Oceans > Ocean Chemistry > pH, Earth Science > Oceans > Ocean Optics > Photosynthetically Active Radiation, Earth Science > Oceans > Ocean Optics > Radiance, ecology, fisheries, fraction, head, humboldt, identifier, irradiance, latitude, line, longitude, noaa, O2, ocean, ocean color, oceanography, oceans, optical, optical properties, optics, oxygen, par, photon, photosynthetic, photosynthetically, practical, properties, radiance, radiation, raw, reported, research, salinity, scale, science, sea, sea_water_ph_reported_on_total_scale, sea_water_practical_salinity, seawater, sigma_t, sonde, southwest, state, station, swfsc, team, temperature, time, total, transmissivity, trinidad, university, volume, volume_fraction_of_oxygen_in_sea_water, water";
    String keywords_vocabulary "GCMD Science Keywords";
    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 41.081833333333336;
    String note "Value of <param>_calibration_flag indicates whether data are corrected based on pre- and post-calibrations (at approximately yearly intervals):  1 = calibrated, 0 = uncalibrated";
    String observation_program "Trinidad Head Line";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 40.8641;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String subsetVariables "time,station,station_name,cruise_name,ship_name";
    String summary "Hydrographic data from conductivity-temperature-depth (CTD) casts conducted along the Trinidad Head Line off northern California. Data collection and processing conducted by members of the Cooperative Fisheries Oceanography Research Team (NOAA Fisheries, Southwest Fisheries Science Center (SWFSC)) at Cal Poly Humboldt.";
    String time_coverage_end "2024-05-25T07:09:31Z";
    String time_coverage_start "2006-11-01T09:29:03Z";
    String title "Trinidad Head Line CTD Hydrography";
    Float64 Westernmost_Easting 235.23416666666668;
  }
}

 

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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