Measurement : Longwave broadband downwelling irradiance

The total diffuse and direct radiant energy, at wavelengths longer than approximately 4 {mu}m, that is being emitted downwards.

Categories
Radiometric

Instruments

The above measurement is considered scientifically relevant for the following instruments. Refer to the datastream (netcdf) file headers of each instrument for a list of all available measurements, including those recorded for diagnostic or quality assurance purposes.

  • ARM Instruments
    • BSRN : Baseline Solar Radiation Network
    • BRS : Broadband Radiometer Station
    • CO2FLX : Carbon Dioxide Flux Measurement Systems
    • RAD : Radiation Measurements at AMF
    • SKYRAD : Sky Radiometers on Stand for Downwelling Radiation
    • SIRS : Solar and Infrared Radiation Station
    • MET : Surface Meteorological Instrumentation
  • External Instruments
    • ECMWFDIAG : European Centre for Medium Range Weather Forecasts Diagnostic Analyses
    • ECMWF : European Centre for Medium Range Weather Forecasts Model Data
    • MOLTS : Model Output Location Time Series
    • NOAARAD : NOAA/ESRL/GMD Radiometers
    • NCEPGFS : National Centers for Environment Prediction Global Forecast System
  • Field Campaign Instruments
    • RAD-AIR : Airborne Radiometers
    • CESSNA-404-ARA : Airborne Research Australia Cessna 404
    • ARA-DIMONA : Airborne Research Australia Dimona Aircraft Laser Altimeter and Fluxes
    • SMART-RAD : Broadband Radiometers from NASA SMART Trailer
    • CO2FLX : Carbon Dioxide Flux Measurement Systems
    • VARANAL : Constrained Variational Analysis
    • QCRAD : Data Quality Assessment for ARM Radiation Data
    • ECMWFDIAG : European Centre for Medium Range Weather Forecasts Diagnostic Analyses
    • ECMWF : European Centre for Medium Range Weather Forecasts Model Data
    • FTIR-RAOB : Fourier Transform Infrared Radiometer and Raobs
    • MIRAI : JAMSTEC Research Vessel Mirai
    • MERGED-COMMON : Merged data- common timestamp
    • RONBROWN : NOAA Research Vessel Ron Brown
    • ISLAND-GUEST-INSTRUMENTS : Nauru Island guest instruments
    • PARSL : PNNL's Atmospheric Remote Sensing Laboratory
    • QCSFCRAD : Quality Controlled Surface Radiation Data (Long-Shi Experimental)
    • RAD : Radiation Measurements at AMF
    • RADFLUXANAL : Radiative Flux Analysis
    • RSR : Rotating Shading-arm Radiometer
    • SOAR : Shipboard Oceanographic and Atmospheric Radiation
    • SWFLUXANAL : Shortwave Flux Analysis
    • SOLARIRRADS : Solar and Infrared Radiometers
    • SFCFLUX : Surface Flux
    • MET : Surface Meteorological Instrumentation
    • OTTER : Twin Otter
    • UAV-ALTUS : UAV Altus
    • UAV-PROTEUS : UAV Proteus
    • UAV-EGRETT : UAV-Egrett
    • UAV-GNAT : UAV-General Atomics GNAT
    • UW-CONVAIR580 : University of Washington Convair 580 Aircraft

Value-Added Products

  • ARMBE : ARM Best Estimate Data Products (Process)
  • BEFLUX : Best-Estimate Radiative Flux (Process)
    • BEFLUX1LONG : Radiative Flux: best estimate, after Long
  • VISST : Minnis Cloud Products Using Visst Algorithm (Process)
  • QCRAD : Data Quality Assessment for ARM Radiation Data (Process)
    • QCRADBRS1LONG : Surface Radiation Measurement (BRS input) QC testing, incl. climatologically configurable limits
    • QCRAD1LONG : Surface Radiation Measurement Quality Control testing, including climatologically configurable limits
    • QCRADBEFLUX1LONG : Surface Radiation Measurement (BEFLUX input) QC testing, incl. climatologically configurable limits

Datastreams

  • RAD : Radiation Measurements at AMF Datastreams
    • RAD : Radiation measurements at AMF/Niamey, Niger/S1
  • BSRN : Baseline Solar Radiation Network Datastreams
    • BSRN : Baseline Solar Radiation Network (BSRN): solar irradiances
  • IRT : Infrared Thermometer Datastreams
    • SKYRAD60S : Infrared Thermometer: Sky brightness temperature, averaged 60-second
  • SIRS : Solar and Infrared Radiation Station Datastreams
    • SIRS60S : Solar and Infrared Radiation Station (SIRS): 60-sec data
    • SIRS : Solar and Infrared Radiation Station (SIRS): broadband shortwave and longwave radiation
  • NCEPGFS : National Centers for Environment Prediction Global Forecast System Datastreams
  • NOAARAD : NOAA/ESRL/GMD Radiometers Datastreams
    • NOAARADBRW : High resolution surface radiation data in netcdf format from Barrow
  • BRS : Broadband Radiometer Station Datastreams
    • BRS : Broadband Radiometer Station (BRS): broadband shortwave and longwave radiation
    • BRS60S : Broadband Radiometer Station (BRS): 60-second broadband shortwave and longwave radiation
  • ECMWF : European Centre for Medium Range Weather Forecasts Model Data Datastreams
    • ECMWFSUPP : ECMWF: supplemental data, entire coverage
  • SKYRAD : Sky Radiometers on Stand for Downwelling Radiation Datastreams
    • SKYRAD20S : Sky radiation sensor: 20-second downwelling radiation data
    • SKYRAD60S : Infrared Thermometer: Sky brightness temperature, averaged 60-second
  • CO2FLX : Carbon Dioxide Flux Measurement Systems Datastreams
    • 30CO2FLX4MMET : Eddy Correlation CO2 Flux Data: 4 m samples, meteorological data, 30-min stats
  • MOLTS : Model Output Location Time Series Datastreams
    • MOLTSEDASSFCCLASS1 : Model Output Loc. Time Ser. (MOLTS): EDAS meteor. analy., enhanced surface, params, stations
  • ECMWFDIAG : European Centre for Medium Range Weather Forecasts Diagnostic Analyses Datastreams
    • ECMWFSFCE : ECMWF: near-surface and surface variables (extra), entire coverage, 1-hr avg