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| Grid DAP Data | Sub- set | Table DAP Data | Make A Graph | W M S | Source Data Files | Acces- sible
| Title | Sum- mary | FGDC, ISO, Metadata | Back- ground Info | RSS | E | Institution | Dataset ID |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| data | graph | M | files | public | AVHRR Pathfinder Version 5.3 L3-Collated (L3C) SST, Global, 0.0417°, 1981-present, Nighttime (1 Day Composite), Lon0360 |
| F I M | background
| 
| 
| NCEI | nceiPH53sstn1day_Lon0360 |
| Row Type | Variable Name | Attribute Name | Data Type | Value |
|---|---|---|---|---|
| attribute | NC_GLOBAL | _NCProperties | String | version=2,netcdf=4.8.1,hdf5=1.10.7 |
| attribute | NC_GLOBAL | acknowledgement | String | Please acknowledge the use of these data with the following statement: These data were provided by GHRSST and the NOAA National Centers for Environmental Information (NCEI). This project was supported in part by a grant from the NOAA Climate Data Record (CDR) Program for satellites. |
| attribute | NC_GLOBAL | cdm_data_type | String | Grid |
| attribute | NC_GLOBAL | cdr_id | String | gov.noaa.ncdc:C00983 |
| attribute | NC_GLOBAL | cdr_program | String | NOAA Climate Data Record Program for satellites |
| attribute | NC_GLOBAL | cdr_variable | String | sea_surface_temperature |
| attribute | NC_GLOBAL | comment | String | SST from AVHRR Pathfinder |
| attribute | NC_GLOBAL | contributor_name | String | Robert Evans |
| attribute | NC_GLOBAL | contributor_role | String | Principal Investigator |
| attribute | NC_GLOBAL | Conventions | String | CF-1.6, ACDD-1.3, COARDS |
| attribute | NC_GLOBAL | creator_email | String | Kenneth.Casey at noaa.gov |
| attribute | NC_GLOBAL | creator_institution | String | US DOC; NOAA; National Environmental Satellite Data and Information Service; National Centers for Environmental Information |
| attribute | NC_GLOBAL | creator_name | String | Kenneth S. Casey |
| attribute | NC_GLOBAL | creator_type | String | person |
| attribute | NC_GLOBAL | creator_url | String | https://pathfinder.nodc.noaa.gov |
| attribute | NC_GLOBAL | date_created | String | 2024-02-07T18:05:43Z |
| attribute | NC_GLOBAL | date_issued | String | 2016-03-01T00:00:00Z |
| attribute | NC_GLOBAL | date_metadata_modified | String | 2016-01-25T00:00:00Z |
| attribute | NC_GLOBAL | date_modified | String | 2024-02-07T18:05:43Z |
| attribute | NC_GLOBAL | day_or_night | String | Night |
| attribute | NC_GLOBAL | Easternmost_Easting | double | 359.9792 |
| attribute | NC_GLOBAL | gds_version_id | String | 2.0 |
| attribute | NC_GLOBAL | geospatial_bounds | String | -180.0000 -90.0000, 180.0000 90.0000 |
| attribute | NC_GLOBAL | geospatial_bounds_crs | String | EPSG:4326 |
| attribute | NC_GLOBAL | geospatial_lat_max | double | 89.979 |
| attribute | NC_GLOBAL | geospatial_lat_min | double | -89.979 |
| attribute | NC_GLOBAL | geospatial_lat_resolution | double | 0.04166658948830748 |
| attribute | NC_GLOBAL | geospatial_lat_units | String | degrees_north |
| attribute | NC_GLOBAL | geospatial_lon_max | double | 359.9792 |
| attribute | NC_GLOBAL | geospatial_lon_min | double | 0.02083331 |
| attribute | NC_GLOBAL | geospatial_lon_units | String | degrees_east |
| attribute | NC_GLOBAL | history | String | smigen_both ifile=2023365.b4kd1-pf53ap-n19-sst.hdf ofile=2023365.i4kd1-pf53ap-n19-sst.hdf prod=sst datamin=-3.0 datamax=40.0 precision=I projection=RECT resolution=4km gap_fill=2 ; /data/ncei1/ncei.home/ksaha/PFv53_main/Converters/bin/Converter/hdf2nc_PFV53_L3C.x -v /data/ncei1/ncei.home/ksaha/PFv53_main/Converters/Data_PFV53/PFV53_HDF_L3C/2023/2023365.i4kd1-pf53ap-n19-sst.hdf |
| attribute | NC_GLOBAL | id | String | AVHRR_Pathfinder-NCEI-L3C-v5.3 |
| attribute | NC_GLOBAL | infoUrl | String | https://data.nodc.noaa.gov/cgi-bin/iso?id=gov.noaa.nodc:AVHRR_Pathfinder-NCEI-L3C-v5.3 |
| attribute | NC_GLOBAL | institution | String | NCEI |
| attribute | NC_GLOBAL | instrument | String | AVHRR-3 |
| attribute | NC_GLOBAL | instrument_vocabulary | String | NASA Global Change Master Directory (GCMD) Science Keywords v8.4 |
| attribute | NC_GLOBAL | keywords | String | 10m, advanced, aerosol, aerosol_dynamic_indicator, analysis, area, atmosphere, atmospheric, avhrr, bias, centers, climate, collated, cryosphere, data, deviation, difference, distribution, dt_analysis, dynamic, Earth Science > Atmosphere > Atmospheric Winds > Surface Winds, Earth Science > Cryosphere > Sea Ice > Ice Extent, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature, Earth Science > Oceans > Sea Ice > Ice Extent, environmental, error, estimate, extent, flag, flags, fraction, ghrsst, global, high, high-resolution, ice, ice distribution, indicator, information, l2p, l2p_flags, l3-collated, l3c, level, national, ncei, noaa, ocean, oceans, optical, optical properties, pathfinder, pathfinder_quality_level, pixel, properties, quality, quality_level, radiometer, record, reference, resolution, sea, sea_ice_area_fraction, sea_ice_fraction, sea_surface_skin_temperature, sea_surface_temperature, sensor, single, skin, speed, sses, sses_bias, sses_standard_deviation, sst, sst_dtime, standard, statistics, surface, temperature, time, version, very, vhrr, wind, wind_speed, winds |
| attribute | NC_GLOBAL | keywords_vocabulary | String | GCMD Science Keywords |
| attribute | NC_GLOBAL | license | String | These data are available for use without restriction. 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. |
| attribute | NC_GLOBAL | metadata_link | String | https://data.nodc.noaa.gov/cgi-bin/iso?id=gov.noaa.nodc:AVHRR_Pathfinder-NCEI-L3C-v5.3 |
| attribute | NC_GLOBAL | naming_authority | String | org.ghrsst |
| attribute | NC_GLOBAL | ncei_template_version | String | NCEI_NetCDF_Grid_Template_v2.0 |
| attribute | NC_GLOBAL | Northernmost_Northing | double | 89.979 |
| attribute | NC_GLOBAL | orbit_node | String | Descending |
| attribute | NC_GLOBAL | platform | String | NOAA-19 |
| attribute | NC_GLOBAL | platform_vocabulary | String | NASA Global Change Master Directory (GCMD) Science Keywords v8.4 |
| attribute | NC_GLOBAL | principal_year_day_for_collated_orbits | String | 2023365 |
| attribute | NC_GLOBAL | processing_level | String | L3C |
| attribute | NC_GLOBAL | product_version | String | PFV5.3 |
| attribute | NC_GLOBAL | program | String | NOAA Climate Data Record (CDR) Program for satellites |
| attribute | NC_GLOBAL | project | String | Group for High Resolution Sea Surface Temperature |
| attribute | NC_GLOBAL | publisher_email | String | ghrsst-po at nceo.ac.uk |
| attribute | NC_GLOBAL | publisher_name | String | GHRSST Project Office |
| attribute | NC_GLOBAL | publisher_type | String | group |
| attribute | NC_GLOBAL | publisher_url | String | https://www.ghrsst.org |
| attribute | NC_GLOBAL | references | String | https://pathfinder.nodc.noaa.gov and Casey, K.S., T.B. Brandon, P. Cornillon, and R. Evans: The Past, Present and Future of the AVHRR Pathfinder SST Program, in Oceanography from Space: Revisited, eds. V. Barale, J.F.R. Gower, and L. Alberotanza, Springer, 2010. DOI: 10.1007/978-90-481-8681-5_16. |
| attribute | NC_GLOBAL | sea_name | String | World-Wide Distribution |
| attribute | NC_GLOBAL | sensor | String | AVHRR-3 |
| attribute | NC_GLOBAL | source | String | AVHRR_GAC-CLASS-L1B-NOAA_19-v1 |
| attribute | NC_GLOBAL | sourceUrl | String | https://www.ncei.noaa.gov/thredds-ocean/catalog/pathfinder/Version5.3/L3C/catalog.html |
| attribute | NC_GLOBAL | Southernmost_Northing | double | -89.979 |
| attribute | NC_GLOBAL | spatial_resolution | String | 0.0416667 degree |
| attribute | NC_GLOBAL | standard_name_vocabulary | String | CF Standard Name Table v70 |
| attribute | NC_GLOBAL | summary | String | Advanced Very High Resolution Radiometer (AVHRR) Pathfinder Version 5.3 L3-Collated (L3C) sea surface temperature. This netCDF-4 file contains sea surface temperature (SST) data produced as part of the AVHRR Pathfinder SST Project. These data were created using Version 5.3 of the Pathfinder algorithm and the file is nearly but not completely compliant with the Global High-Resolution Sea Surface Temperature (GHRSST) Data Specifications V2.0 (GDS2). The sses_bias and sses_standard_deviation variables are empty. Full compliance with GDS2 specifications will be achieved in the future Pathfinder Version 6. These data were created by the NOAA National Centers for Environmental Information (NCEI). |
| attribute | NC_GLOBAL | time_coverage_duration | String | P1D |
| attribute | NC_GLOBAL | time_coverage_end | String | 2023-12-31T12:00:00Z |
| attribute | NC_GLOBAL | time_coverage_resolution | String | P1D |
| attribute | NC_GLOBAL | time_coverage_start | String | 1981-08-25T12:00:00Z |
| attribute | NC_GLOBAL | title | String | AVHRR Pathfinder Version 5.3 L3-Collated (L3C) SST, Global, 0.0417°, 1981-present, Nighttime (1 Day Composite), Lon0360 |
| attribute | NC_GLOBAL | Westernmost_Easting | double | 0.02083331 |
| dimension | time | double | nValues=15439, evenlySpaced=false, averageSpacing=1 day 0h 2m 48s | |
| attribute | time | _CoordinateAxisType | String | Time |
| attribute | time | actual_range | double | 3.675888E8, 1.704024E9 |
| attribute | time | axis | String | T |
| attribute | time | comment | String | This is the centered, reference time. |
| attribute | time | ioos_category | String | Time |
| attribute | time | long_name | String | Centered Time |
| attribute | time | standard_name | String | time |
| attribute | time | time_origin | String | 01-JAN-1970 00:00:00 |
| attribute | time | units | String | seconds since 1970-01-01T00:00:00Z |
| dimension | latitude | float | nValues=4320, evenlySpaced=true, averageSpacing=-0.04166658948830748 | |
| attribute | latitude | _CoordinateAxisType | String | Lat |
| attribute | latitude | actual_range | float | -89.979, 89.979 |
| attribute | latitude | axis | String | Y |
| attribute | latitude | grids | String | uniform grids from 90.0 to -90.0 by 0.04 |
| attribute | latitude | ioos_category | String | Location |
| attribute | latitude | long_name | String | Latitude |
| attribute | latitude | reference_datum | String | Geographical coordinates, WGS84 datum |
| attribute | latitude | standard_name | String | latitude |
| attribute | latitude | units | String | degrees_north |
| attribute | latitude | valid_max | float | 90.0 |
| attribute | latitude | valid_min | float | -90.0 |
| dimension | longitude | float | nValues=8640, evenlySpaced=false, averageSpacing=0.041666670527838866 | |
| attribute | longitude | _CoordinateAxisType | String | Lon |
| attribute | longitude | actual_range | float | 0.02083331, 359.9792 |
| attribute | longitude | axis | String | X |
| attribute | longitude | grids | String | uniform grids from -180 to 180 by 0.04 |
| attribute | longitude | ioos_category | String | Location |
| attribute | longitude | long_name | String | Longitude |
| attribute | longitude | reference_datum | String | Geographical coordinates, WGS84 datum |
| attribute | longitude | standard_name | String | longitude |
| attribute | longitude | units | String | degrees_east |
| variable | sea_surface_temperature | double | time, latitude, longitude | |
| attribute | sea_surface_temperature | _FillValue | double | NaN |
| attribute | sea_surface_temperature | ancillary_variables | String | quality_level pathfinder_quality_level l2p_flags |
| attribute | sea_surface_temperature | colorBarMaximum | double | 32.0 |
| attribute | sea_surface_temperature | colorBarMinimum | double | 0.0 |
| attribute | sea_surface_temperature | comment | String | Skin temperature of the ocean |
| attribute | sea_surface_temperature | coverage_content_type | String | physicalMeasurement |
| attribute | sea_surface_temperature | grid_mapping | String | crs |
| attribute | sea_surface_temperature | ioos_category | String | Temperature |
| attribute | sea_surface_temperature | long_name | String | NOAA Climate Data Record of sea surface skin temperature |
| attribute | sea_surface_temperature | platform | String | NOAA-19 |
| attribute | sea_surface_temperature | source | String | AVHRR_GAC-CLASS-L1B-NOAA_19-v1 |
| attribute | sea_surface_temperature | standard_name | String | sea_surface_skin_temperature |
| attribute | sea_surface_temperature | units | String | degree_C |
| attribute | sea_surface_temperature | valid_max | double | 45.0 |
| attribute | sea_surface_temperature | valid_min | double | -1.7999999999999545 |
| variable | dt_analysis | double | time, latitude, longitude | |
| attribute | dt_analysis | _FillValue | double | NaN |
| attribute | dt_analysis | colorBarMaximum | double | 5.0 |
| attribute | dt_analysis | colorBarMinimum | double | 0.0 |
| attribute | dt_analysis | comment | String | The difference between this SST and the previous day's SST. |
| attribute | dt_analysis | coverage_content_type | String | auxiliaryInformation |
| attribute | dt_analysis | grid_mapping | String | crs |
| attribute | dt_analysis | ioos_category | String | Statistics |
| attribute | dt_analysis | long_name | String | deviation from last SST analysis |
| attribute | dt_analysis | platform | String | NOAA-19 |
| attribute | dt_analysis | references | String | AVHRR_OI, with inland values populated from AVHRR_Pathfinder daily climatological SST. For more information on this reference field see https://data.nodc.noaa.gov/cgi-bin/iso?id=gov.noaa.nodc:0071180. |
| attribute | dt_analysis | source | String | NOAA Daily 25km Global Optimally Interpolated Sea Surface Temperature (OISST) |
| attribute | dt_analysis | units | String | degree_C |
| attribute | dt_analysis | valid_max | double | 12.700000000000001 |
| attribute | dt_analysis | valid_min | double | -12.700000000000001 |
| variable | wind_speed | byte | time, latitude, longitude | |
| attribute | wind_speed | colorBarMaximum | double | 15.0 |
| attribute | wind_speed | colorBarMinimum | double | 0.0 |
| attribute | wind_speed | comment | String | These wind speeds were created by NCEP-DOE Atmospheric Model Intercomparison Project (AMIP-II) reanalysis (R-2) and represent winds at 10 metres above the sea surface. |
| attribute | wind_speed | coverage_content_type | String | auxiliaryInformation |
| attribute | wind_speed | grid_mapping | String | crs |
| attribute | wind_speed | height | String | 10 m |
| attribute | wind_speed | ioos_category | String | Wind |
| attribute | wind_speed | long_name | String | 10m wind speed |
| attribute | wind_speed | source | String | NCEP/DOE AMIP-II Reanalysis (Reanalysis-2): u_wind.10m.gauss.2020.nc, v_wind.10m.gauss.2020.nc |
| attribute | wind_speed | standard_name | String | wind_speed |
| attribute | wind_speed | time_offset | double | 3.1036 |
| attribute | wind_speed | units | String | m s-1 |
| attribute | wind_speed | valid_max | byte | 127 |
| attribute | wind_speed | valid_min | byte | -127 |
| variable | sea_ice_fraction | double | time, latitude, longitude | |
| attribute | sea_ice_fraction | _FillValue | double | NaN |
| attribute | sea_ice_fraction | colorBarMaximum | double | 1.0 |
| attribute | sea_ice_fraction | colorBarMinimum | double | 0.0 |
| attribute | sea_ice_fraction | comment | String | Sea ice concentration data are taken from the EUMETSAT Ocean and Sea Ice Satellite Application Facility (OSISAF) Global Daily Sea Ice Concentration Reprocessing Data Set (https://data.nodc.noaa.gov/cgi-bin/iso?id=gov.noaa.nodc:0068294) when these data are available. The data are reprojected and interpolated from their original polar stereographic projection at 10km spatial resolution to the 4km Pathfinder Version 5.3 grid. When the OSISAF data are not available for both hemispheres on a given day, the sea ice concentration data are taken from the sea_ice_fraction variable found in the L4 GHRSST DailyOI SST product from NOAA/NCDC, and are interpolated from the 25km DailyOI grid to the 4km Pathfinder Version 5.3 grid. |
| attribute | sea_ice_fraction | coverage_content_type | String | auxiliaryInformation |
| attribute | sea_ice_fraction | grid_mapping | String | crs |
| attribute | sea_ice_fraction | ioos_category | String | Ice Distribution |
| attribute | sea_ice_fraction | long_name | String | sea ice fraction |
| attribute | sea_ice_fraction | references | String | Reynolds, et al.(2006) Daily High-resolution Blended Analyses. Available at http://doi.org/10.7289/V5SQ8XB5 |
| attribute | sea_ice_fraction | source | String | NOAA/NESDIS/NCDC Daily optimum interpolation(OI) SST on 1/4-degree grid: 20231231120000-NCEI-L4_GHRSST-SSTblend-AVHRR_OI-GLOB-v02.0-fv02.1.nc.gz |
| attribute | sea_ice_fraction | standard_name | String | sea_ice_area_fraction |
| attribute | sea_ice_fraction | time_offset | double | 10.0 |
| attribute | sea_ice_fraction | units | String | % |
| attribute | sea_ice_fraction | valid_max | double | 1.27 |
| attribute | sea_ice_fraction | valid_min | double | -1.27 |
| variable | quality_level | byte | time, latitude, longitude | |
| attribute | quality_level | _FillValue | byte | 127 |
| attribute | quality_level | ancillary_variables | String | pathfinder_quality_level |
| attribute | quality_level | colorBarContinuous | String | false |
| attribute | quality_level | colorBarMaximum | double | 6.0 |
| attribute | quality_level | colorBarMinimum | double | 0.0 |
| attribute | quality_level | colorBarNSections | int | 6 |
| attribute | quality_level | comment | String | These are the overall quality indicators and are used for all GHRSST SSTs. Note, the native Pathfinder processing system returns quality levels ranging from 0 to 7 (7 is best quality; -1 represents missing data) and has been converted to the extent possible into the six levels required by the GDS2 (ranging from 0 to 5, where 5 is best). Below is the conversion table: GDS2 required quality_level 5 = native Pathfinder quality level 7 == best_quality GDS2 required quality_level 4 = native Pathfinder quality level 4-6 == acceptable_quality GDS2 required quality_level 3 = native Pathfinder quality level 2-3 == low_quality GDS2 required quality_level 2 = native Pathfinder quality level 1 == worst_quality GDS2 required quality_level 1 = native Pathfinder quality level 0 = bad_data GDS2 required quality_level 0 = native Pathfinder quality level -1 = missing_data The original Pathfinder quality level is recorded in the optional variable pathfinder_quality_level. |
| attribute | quality_level | coverage_content_type | String | qualityInformation |
| attribute | quality_level | flag_meanings | String | no_data bad_data worst_quality low_quality acceptable_quality best_quality |
| attribute | quality_level | flag_values | byte | 0, 1, 2, 3, 4, 5 |
| attribute | quality_level | grid_mapping | String | crs |
| attribute | quality_level | ioos_category | String | Quality |
| attribute | quality_level | long_name | String | quality level of SST pixel |
| attribute | quality_level | platform | String | NOAA-19 |
| attribute | quality_level | source | String | AVHRR_GAC-CLASS-L1B-NOAA_19-v1 |
| attribute | quality_level | units | String | 1 |
| attribute | quality_level | valid_max | byte | 5 |
| attribute | quality_level | valid_min | byte | 1 |
| variable | pathfinder_quality_level | byte | time, latitude, longitude | |
| attribute | pathfinder_quality_level | _FillValue | byte | 127 |
| attribute | pathfinder_quality_level | colorBarContinuous | String | false |
| attribute | pathfinder_quality_level | colorBarMaximum | double | 8.0 |
| attribute | pathfinder_quality_level | colorBarMinimum | double | 0.0 |
| attribute | pathfinder_quality_level | colorBarNSections | int | 8 |
| attribute | pathfinder_quality_level | comment | String | This variable contains the native Pathfinder processing system quality levels, ranging from 0 to 7, where 0 is worst and 7 is best. And value -1 represents missing data. |
| attribute | pathfinder_quality_level | coverage_content_type | String | qualityInformation |
| attribute | pathfinder_quality_level | flag_meanings | String | bad_data worst_quality low_quality low_quality acceptable_quality acceptable_quality acceptable_quality best_quality |
| attribute | pathfinder_quality_level | flag_values | byte | 0, 1, 2, 3, 4, 5, 6, 7 |
| attribute | pathfinder_quality_level | grid_mapping | String | crs |
| attribute | pathfinder_quality_level | ioos_category | String | Quality |
| attribute | pathfinder_quality_level | long_name | String | Pathfinder SST quality flag |
| attribute | pathfinder_quality_level | platform | String | NOAA-19 |
| attribute | pathfinder_quality_level | source | String | AVHRR_GAC-CLASS-L1B-NOAA_19-v1 |
| attribute | pathfinder_quality_level | units | String | 1 |
| attribute | pathfinder_quality_level | valid_max | byte | 7 |
| attribute | pathfinder_quality_level | valid_min | byte | 0 |
| variable | l2p_flags | short | time, latitude, longitude | |
| attribute | l2p_flags | colorBarMaximum | double | 300.0 |
| attribute | l2p_flags | colorBarMinimum | double | 0.0 |
| attribute | l2p_flags | comment | String | Bit zero (0) is always set to zero to indicate infrared data. Bit one (1) is set to zero for any pixel over water (ocean, lakes and rivers). Land pixels were determined by rasterizing the Global Self-consistent Hierarchical High-resolution Shoreline (GSHHS) Database from the NOAA National Geophysical Data Center. Any 4 km Pathfinder pixel whose area is 50% or more covered by land has bit one (1) set to 1. Bit two (2) is set to 1 when the sea_ice_fraction is 0.15 or greater. Bits three (3) and four (4) indicate lake and river pixels, respectively, and were determined by rasterizing the US World Wildlife Fund's Global Lakes and Wetlands Database. Any 4 km Pathfinder pixel whose area is 50% or more covered by lake has bit three (3) set to 1. Any 4 km Pathfinder pixel whose area is 50% or more covered by river has bit four (4) set to 1. |
| attribute | l2p_flags | coverage_content_type | String | auxiliaryInformation |
| attribute | l2p_flags | flag_masks | short | 1, 2, 4, 8, 16, 32, 64, 128, 256 |
| attribute | l2p_flags | flag_meanings | String | microwave land ice lake river reserved_for_future_use unused_currently unused_currently unused_currently |
| attribute | l2p_flags | grid_mapping | String | crs |
| attribute | l2p_flags | ioos_category | String | Quality |
| attribute | l2p_flags | long_name | String | L2P flags |
| attribute | l2p_flags | platform | String | NOAA-19 |
| attribute | l2p_flags | source | String | AVHRR_GAC-CLASS-L1B-NOAA_19-v1 |
| attribute | l2p_flags | units | String | 1 |
| attribute | l2p_flags | valid_max | short | 256 |
| attribute | l2p_flags | valid_min | short | 0 |
The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.