Shortwave broadband diffuse downwelling irradiance
Measurement Categories: Radiometric
Description: All of the solar radiation, across the wavelength range of 0.4 and 4 {mu}m, coming directly from the sky except for solar radiation coming directly from the sun and the circumsolar irradiance within approximately three degrees of the sun.
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Instruments that produce the measurement
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
- Carter-Scott Design Eq08-a (PYRAN-CARTER-SCOTT)
- Cimel B&W Pyranometer (PYRAN-CIMEL-BANDW)
- Eppley New B&W Pyranometer (PYRAN-EPPLEY-NEW-BANDW)
- JAMSTEC Research Vessel Mirai (MIRAI)
- Kipp & Zonen CM22-PMOD Vent (CM22-PMOD-VENT)
- Kipp and Zonen - CM21 (KANDZ-CM21)
- Kipp and Zonen-CM21 Schenk Star (KANDZ-CM21-SCHENK-STAR)
- Modified Eppley PSP (PSP-EPPLEY-MODIFIED)
- NOAA Research Vessel Ron Brown (RONBROWN)
- NREL Radiometer Characterization System (RCS)
- Nauru Island guest instruments (ISLAND-GUEST-INSTRUMENTS)
- Pyranometer-Budapest University (PYRAN-BUDAPEST)
- Pyranometer-eko-ms-801 (PYRAN-EKO-MS-801)
- Pyranometer-kipp&zonen-cm11 (PYRAN-KANDZ-CM11)
- Rotating Shading-arm Radiometer (RSR)
- Shortwave Flux Analysis (SWFLUXANAL)
- Twin Otter (OTTER)
- UAV Altus (UAV-ALTUS)
- UAV-Egrett (UAV-EGRETT)
- UAV-General Atomics GNAT (UAV-GNAT)
- Yankee Isothermal Pyranometer (PYRAN-YANKEE-ISOTHERMAL)
Value-Added Products (VAPs) including the measurement
- (BEFLUX) Best-Estimate Radiative Flux Process
- beflux1long - Radiative Flux: best estimate, after Long
- (DIFFCOR1DUTT) Correction of Diffuse Shortwave Measurements Process
- siros1dutt - Solar and Infrared Radiation Observing Station (SIROS): 1-min data with Dutton correction
- sirs1dutt - SIRS: derived, correction of downwelling shortwave diffuse hemispheric measurements using Dutton and full algorithm
- (MFRSR) Multifilter Rotating Shadowband Radiometer Process
- qcrad1long - Surface Radiation Measurement Quality Control testing, including climatologically configurable limits
- (QCRAD) Data Quality Assessment for ARM Radiation Data Process
- qcrad1long - Surface Radiation Measurement Quality Control testing, including climatologically configurable limits
- qcradbeflux1long - Surface Radiation Measurement (BEFLUX input) QC testing, incl. climatologically configurable limits
- qcradbrs1long - Surface Radiation Measurement (BRS input) QC testing, incl. climatologically configurable limits
- (SWFLUXANAL) Shortwave Flux Analysis Process
- 15swfanalbrs1long - Short Wave Flux Analysis: 15-min resolution on BRS data, Long algorithm
- 15swfanalsiros1long - Short Wave Flux Analysis: 15-min resolution on SIROS data, Long algorithm
- 15swfanalsirs1long - Short Wave Flux Analysis: 15-min resolution on SIRS data, Long algorithm
- 15swfanalskyrad1long - Short Wave Flux Analysis: 15-min resolution on SKYRAD data, Long algorithm
- 1swfanalbrs1long - Short Wave Flux Analysis: 1-min resolution on BRS data, Long algorithm
- 1swfanalsiros1long - Short Wave Flux Analysis: 1-min resolution on SIROS data, Long algorithm
- 1swfanalsirs1long - Short Wave Flux Analysis: 1-min resolution on SIRS data, Long algorithm
- 1swfanalskyrad1long - Short Wave Flux Analysis: 1-min resolution on SKYAD data, Long algorithm
Datastreams including the measurement
- brs - Broadband Radiometer Station (BRS): broadband shortwave and longwave radiation
- brs60s - Broadband Radiometer Station (BRS): 60-second broadband shortwave and longwave radiation
- bsrn - Baseline Solar Radiation Network (BSRN): solar irradiances
- skyrad60s - Infrared Thermometer: Sky brightness temperature, averaged 60-second
- noaaradbrw - High resolution surface radiation data in netcdf format from Barrow
- sirs - Solar and Infrared Radiation Station (SIRS): broadband shortwave and longwave radiation
- sirs60s - Solar and Infrared Radiation Station (SIRS): 60-sec data
- skyrad60s - Infrared Thermometer: Sky brightness temperature, averaged 60-second
