| history: | File written on January 26, 2024 |
| institution: | George Washington University, Department of Environmental and Occupational Health |
| source: | Level 2 NO2 Version 2.4 algorithm from them Tropospheric Monitoring Instrument on the Copernicus Sentinel 5-Precursor satellite mission |
| Conventions: | CF-1.10 |
| LongName: | HAQAST Sentinel-5P TROPOMI Nitrogen Dioxide (NO2) CONUS Seasonal Level 3 0.01 x 0.01 Degree Gridded Data |
| ShortName: | HAQ_TROPOMI_NO2_CONUS_S_L3 |
| title: | Sentinel-5P TROPOMI Nitrogen Dioxide (NO2) Level 3 CONUS Seasonal 0.01 x 0.01 Degree Data |
| VersionID: | 2.4 |
| Format: | netCDF |
| DataSetQuality: | TROPOMI pixel data filtered using a qa_value > 0.75; pixel data with qa_values <0.75 are excluded in the monthly average |
| IdentifierProductDOI: | 10.5067/QVH8JOFDSU2J |
| IdentifierProductDOIAuthority: | https://doi.org/ |
| ProcessingLevel: | Level 3 |
| GranuleID: | HAQ_TROPOMI_NO2_CONUS_QA75_L3_Seasonal_SON_2021_V2.4_20240126.nc4 |
| ProductionDateTime: | 2024-01-26T00:00:00Z |
| SouthernmostLatitude: | 24.50 |
| NorthernmostLatitude: | 49.49 |
| WesternmostLongitude: | -124.75 |
| EasternmostLongitude: | -66.76 |
| RangeBeginningDate: | 2021-09-01 |
| RangeBeginningTime: | 00:00:00.000000Z |
| RangeEndingDate: | 2021-11-30 |
| RangeEndingTime: | 23:59:59.999999Z |
| comment: | File produced by Dan Goldberg, George Washington University, Email: dgoldberg@gwu.edu |
| references: | Goldberg, D. L., Anenberg, S. C., Kerr, G. H., Mohegh, A., Lu, Z., & Streets, D. G. (2021). TROPOMI NO2 in the United States: A Detailed Look at the Annual Averages, Weekly Cycles, Effects of Temperature, and Correlation With Surface NO 2 Concentrations. Earth’s Future, 9(4), e2020EF001665. https://doi.org/10.1029/2020EF001665 |
| Tropospheric_NO2: | Array of 32 bit Reals [Latitude = 0..2499][Longitude = 0..5799] long_name: Tropospheric vertical column NO2 density units: molec cm-2 standard_name: troposphere_mole_content_of_nitrogen_dioxide _FillValue: -999.0000000 origname: Tropospheric_NO2 fullnamepath: /Tropospheric_NO2 |
| Number_obs: | Array of 32 bit Reals [Latitude = 0..2499][Longitude = 0..5799] long_name: number of valid pixels used for the average units: count standard_name: number_of_observations _FillValue: -999.0000000 origname: Number_obs fullnamepath: /Number_obs |
| Latitude: | Array of 32 bit Reals [Latitude = 0..2499] long_name: latitude, center of the grid cell units: degrees_north standard_name: latitude origname: Latitude fullnamepath: /Latitude |
| Longitude: | Array of 32 bit Reals [Longitude = 0..5799] long_name: longitude, center of the grid cell units: degrees_east standard_name: longitude origname: Longitude fullnamepath: /Longitude |