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
- External Instruments
- 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
- 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)
- 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-EGRETT : UAV-Egrett
- UAV-GNAT : UAV-General Atomics GNAT
- UW-CONVAIR580 : University of Washington Convair 580 Aircraft
Value-Added Products
- BEFLUX : Best-Estimate Radiative Flux (Process)
- BEFLUX1LONG : Radiative Flux: best estimate, after Long
- QCRAD : Data Quality Assessment for ARM Radiation Data (Process)
- QCRADBEFLUX1LONG : Surface Radiation Measurement (BEFLUX input) QC testing, incl. climatologically configurable limits
- QCRADBRS1LONG : Surface Radiation Measurement (BRS input) QC testing, incl. climatologically configurable limits
- QCRAD1LONG : Surface Radiation Measurement Quality Control testing, including climatologically configurable limits
Datastreams
- BRS : Broadband Radiometer Station Datastreams
- BSRN : Baseline Solar Radiation Network Datastreams
- BSRN : Baseline Solar Radiation Network (BSRN): solar irradiances
- CO2FLX : Carbon Dioxide Flux Measurement Systems Datastreams
- 30CO2FLX4MMET : Eddy Correlation CO2 Flux Data: 4 m samples, meteorological data, 30-min stats
- ECMWF : European Centre for Medium Range Weather Forecasts Model Data Datastreams
- ECMWFSUPP : ECMWF: supplemental data, entire coverage
- ECMWFDARSUPP : ECMWF: supplemental data, Darwin
- ECMWFMANSUPP : ECMWF: supplemental data, Manus
- ECMWFNAUSUPP : ECMWF: supplemental data, Nauru
- ECMWFDIAG : European Centre for Medium Range Weather Forecasts Diagnostic Analyses Datastreams
- ECMWFSFCE : ECMWF: near-surface and surface variables (extra), entire coverage, 1-hr avg
- ECMWFMANSFCE : ECMWF: near-surface and surface variables (extra), Manus, 1-hr avg
- ECMWFDARSFCE : ECMWF: near-surface and surface variables (extra), Darwin, 1-hr avg
- ECMWFNAUSFCE : ECMWF: near-surface and surface variables (extra), Nauru, 1-hr avg
- IRT : Infrared Thermometer Datastreams
- SKYRAD60S : Infrared Thermometer: Sky brightness temperature, averaged 60-second
- MOLTS : Model Output Location Time Series Datastreams
- MOLTSEDASSFCCLASS1 : Model Output Loc. Time Ser. (MOLTS): EDAS meteor. analy., enhanced surface, params, stations
- NCEPGFS : National Centers for Environment Prediction Global Forecast System Datastreams
- NCEPGFSNAUFLX : NCEP GFS: surface variables at Nauru
- NCEPGFSDARFLX : NCEP GFS: flux variables at Darwin
- NCEPGFSMANFLX : NCEP GFS: flux variables at Manus
- NCEPGFSBRWFLX : NCEP GFS: flux variables at Barrow
- NCEPGFSATKFLX : NCEP GFS: flux variables at Atqasuk
- NCEPGFSFLX : NCEP GFS: flux variables at SGP/PYE/NIM
- NOAARAD : NOAA/ESRL/GMD Radiometers Datastreams
- NOAARADBRW : High resolution surface radiation data in netcdf format from Barrow
- RAD : Radiation Measurements at AMF Datastreams
- RAD : Radiation measurements at AMF/Niamey, Niger/S1
- SIRS : Solar and Infrared Radiation Station Datastreams
- SKYRAD : Sky Radiometers on Stand for Downwelling Radiation Datastreams










