Datastream : NIMFR

Normal Incidence Multi-Filter Radiometer (NIMFR): direct normal irradiances

Active Dates
1997.10.16 - 2015.07.29

Measurement Categories
Radiometric

Originating Instrument
Normal Incidence Multifilter Radiometer (NIMFR)

Measurements

Only measurements considered scientifically relevant are shown below by default.

Show all measurements

Measurement Units Variable
Airmass unitless airmass ( time )
Altitude above mean sea level m alt
Azimuth angle degree azimuth_angle ( time )
Base time in Epoch seconds since 1970-1-1 0:00:00 0:00 base_time
Cosine of apparent solar zenith angle unitless cosine_solar_zenith_angle ( time )
Direct Horizontal Broadband Irradiance, broadband scale applied W/m^2 direct_horizontal_broadband ( time )
Direct horizontal narrowband irradiance, filter 1 W/m^2-nm direct_horizontal_narrowband_filter1 ( time )
Direct horizontal narrowband irradiance, filter 2 W/m^2-nm direct_horizontal_narrowband_filter2 ( time )
Direct horizontal narrowband irradiance, filter 3 W/m^2-nm direct_horizontal_narrowband_filter3 ( time )
Direct horizontal narrowband irradiance, filter 4 W/m^2-nm direct_horizontal_narrowband_filter4 ( time )
Direct Horizontal Narrowband Irradiance, Filter 5 W/m^2-nm direct_horizontal_narrowband_filter5 ( time )
Direct horizontal narrowband irradiance, filter 6 W/m^2-nm direct_horizontal_narrowband_filter6 ( time )
Direct normal broadband irradiance, offset corrected counts direct_normal_broadband ( time )
Direct Normal Broadband Irradiance count direct_normal_broadband_raw ( time )
Direct normal narrowband irradiance, filter 1, offset corrected count direct_normal_narrowband_filter1 ( time )
Direct normal narrowband irradiance, filter 1 count direct_normal_narrowband_filter1_raw ( time )
Direct normal narrowband irradiance, filter 2, offset corrected counts direct_normal_narrowband_filter2 ( time )
Direct normal narrowband irradiance, filter 2 count direct_normal_narrowband_filter2_raw ( time )
Direct normal narrowband irradiance, filter 3 counts direct_normal_narrowband_filter3 ( time )
Direct Normal Narrowband Irradiance, Filter 3 counts direct_normal_narrowband_filter3_raw ( time )
Direct Normal Narrowband Irradiance, Filter 4 W/m^2-nm direct_normal_narrowband_filter4 ( time )
Direct normal narrowband irradiance, filter 4 count direct_normal_narrowband_filter4_raw ( time )
Direct normal narrowband irradiance, filter 5, offset corrected counts direct_normal_narrowband_filter5 ( time )
Direct normal narrowband irradiance, filter 5 count direct_normal_narrowband_filter5_raw ( time )
Direct Normal Narrowband Irradiance, Filter 6 counts direct_normal_narrowband_filter6 ( time )
Direct normal narrowband irradiance, filter 6 count direct_normal_narrowband_filter6_raw ( time )
Elevation angle degrees elevation_angle ( time )
Detector temperature count head_temp ( time )
Second detector temperature count head_temp2 ( time )
North latitude degree_N lat
Data Logger Supply Voltage V logger_volt ( time )
East longitude degree_E lon
Nominal calibration factor, applied to broadband data count/(W/m^2) nominal_calibration_factor_broadband
Nominal calibration factor, applied to filter1 data count/(W/m^2-nm) nominal_calibration_factor_filter1
Nominal calibration factor, applied to filter2 data count/(W/m^2-nm) nominal_calibration_factor_filter2
Nominal calibration factor, applied to filter3 data count/(W/m^2-nm) nominal_calibration_factor_filter3
Nominal calibration factor, applied to filter4 data count/(W/m^2-nm) nominal_calibration_factor_filter4
Nominal calibration factor, applied to filter5 data count/(W/m^2-nm) nominal_calibration_factor_filter5
Nominal calibration factor, applied to filter6 data count/(W/m^2-nm) nominal_calibration_factor_filter6
Normalized filter function data, filter 1, measured transmittance value obtained during bench calibrations unitless normalized_transmittance_filter1 ( wavelength )
Normalized filter function data, filter 2, measured transmittance value obtained during bench calibrations unitless normalized_transmittance_filter2 ( wavelength )
Normalized filter function data, filter 3, measured transmittance value obtained during bench calibrations unitless normalized_transmittance_filter3 ( wavelength )
Normalized filter function data, filter 4, measured transmittance value obtained during bench calibrations unitless normalized_transmittance_filter4 ( wavelength )
Normalized filter function data, filter 5, measured transmittance value obtained during bench calibrations unitless normalized_transmittance_filter5 ( wavelength )
Normalized filter function data, filter 6, measured transmittance value obtained during bench calibrations unitless normalized_transmittance_filter6 ( wavelength )
Offset subtracted from hemispheric and diffuse broadband data count offset_broadband
Offset subtracted from hemispheric and diffuse filter1 data count offset_filter1 ( time )
Offset subtracted from hemispheric and diffuse filter2 data counts offset_filter2 ( time )
Offset subtracted from hemispheric and diffuse filter3 data count offset_filter3 ( time )
Offset subtracted from hemispheric and diffuse filter4 data count offset_filter4
Offset subtracted from hemispheric and diffuse filter5 data count offset_filter5
Offset subtracted from hemispheric and diffuse filter6 data count offset_filter6
Quality check results on field: Direct horizontal broadband irradiance, broadband scale applied unitless qc_direct_horizontal_broadband ( time )
Quality check results on field: Direct horizontal narrowband irradiance, filter 1 unitless qc_direct_horizontal_narrowband_filter1 ( time )
Quality check results on field: Direct horizontal narrowband irradiance, filter 2 unitless qc_direct_horizontal_narrowband_filter2 ( time )
Quality check results on field: Direct Horizontal Narrowband Irradiance, Filter 3 unitless qc_direct_horizontal_narrowband_filter3 ( time )
Quality check results on field: Direct horizontal narrowband irradiance, filter 4 unitless qc_direct_horizontal_narrowband_filter4 ( time )
Quality check results on field: Direct horizontal narrowband irradiance, filter 5 unitless qc_direct_horizontal_narrowband_filter5 ( time )
Quality check results on field: Direct horizontal narrowband irradiance, filter 6 unitless qc_direct_horizontal_narrowband_filter6 ( time )
Quality check results on field: Direct normal broadband irradiance, broadband scale applied unitless qc_direct_normal_broadband ( time )
Quality check results on field: Direct normal narrowband irradiance, filter 1 unitless qc_direct_normal_narrowband_filter1 ( time )
Quality check results on field: Direct normal narrowband irradiance, filter 2 unitless qc_direct_normal_narrowband_filter2 ( time )
Quality check results on field: Direct normal narrowband irradiance, filter 3 unitless qc_direct_normal_narrowband_filter3 ( time )
Quality check results on field: Direct Normal Narrowband Irradiance, Filter 4 unitless qc_direct_normal_narrowband_filter4 ( time )
Quality check results on field: Direct normal narrowband irradiance, filter 5 unitless qc_direct_normal_narrowband_filter5 ( time )
Quality check results on field: Direct Normal Narrowband Irradiance, Filter 6 unitless qc_direct_normal_narrowband_filter6 ( time )
Quality check results on field: Detector temperature unitless qc_head_temp ( time )
Quality check results on field: Second detector temperature unitless qc_head_temp2 ( time )
Quality check results on field: Data logger supply voltage unitless qc_logger_volt ( time )
Quality check results on field: Time offset from midnight unitless qc_time ( time )
Quality check results on field: Tube Temperature unitless qc_tube_temp ( time )
Apparent Solar Zenith Angle degrees solar_zenith_angle ( time )
Time offset from midnight time ( time )
Time offset from base_time time_offset ( time )
Tube Temperature degC tube_temp ( time )
Normalized filter function data, filter 1, wavelength value obtained during bench calibrations nm wavelength_filter1 ( wavelength )
Normalized filter function data, filter 2, wavelength value obtained during bench calibrations nm wavelength_filter2 ( wavelength )
Normalized filter function data, filter 3, wavelength value obtained during bench calibrations nm wavelength_filter3 ( wavelength )
Normalized filter function data, filter 4, wavelength value obtained during bench calibrations nm wavelength_filter4 ( wavelength )
Normalized filter function data, filter 5, wavelength value obtained during bench calibrations nm wavelength_filter5 ( wavelength )
Normalized filter function data, filter 6, wavelength value obtained during bench calibrations nm wavelength_filter6 ( wavelength )

Locations

North Slope Alaska
NSAC1 Browse Data Browse PlotsCentral Facility, Barrow AK
NSAC2 Browse Data Browse PlotsCentral Facility, Atqasuk AK retired
Southern Great Plains
SGPC1 Browse DataCentral Facility, Lamont, OK
 retired = Originating instrument has been retired at this location

Contact(s)

Gary Hodges
NOAA/ESRL/GMD & CU-Boulder/CIRES
(303) 497-6460
Gary.Hodges@noaa.gov