BEFLUX

beflux: Best-Estimate Radiative Flux

Best estimate of downwelling diffuse SW (top plot) and the differences between best estimate and instrument data (bottom plot) in the year 2000. In the top plot, the red curves mark the instances when SIRS C1 data was not used in the best estimate calculation. In the bottom plot, the red, blue, and green colors represent the differences of the best estimate value and the SIRS C1, E13, and BRS data, respectively.

The Best-Estimate Surface Radiative Flux (BEFLUX) VAP processes data from three Southern Great Plains Central Facility radiometer systems when all are available. Before 2001, this VAP used corrected diffuse SW from the DiffCorr1Dutt VAP as input. The 1-minute input data are compared to decide which to use for averaging to get the best estimate. The output data are saved in two NetCDF files containing the best estimate values, QC flags, and the difference fields.

For more details, see Best Estimate Radiation Flux Value-Added Procedure: Algorithm Operational Detailsand Explanations.

Measurements

Longwave broadband downwelling irradiance	Shortwave broadband diffuse downwelling irradiance	Shortwave broadband total upwelling irradiance
Longwave broadband upwelling irradiance	Shortwave broadband direct normal irradiance	Surface albedo
Net broadband total irradiance	Shortwave broadband total downwelling irradiance

Locations

Fixed
AMF1
AMF2
AMF3

Components

brs: Broadband Radiometer Station	siros: Solar and Infrared Radiation Observation Station Instruments
sirs: Solar and Infrared Radiation Station

Related Publications

2014

Creekmore TN, E Joseph, CN Long, and S Li. 2014. "Quantifying aerosol direct effects from broadband irradiance and spectral aerosol optical depth observations." Journal of Geophysical Research: Atmospheres, 119(9), 10.1002/2013jd021217.

Phillips TJ and SA Klein. 2014. "Land-atmosphere coupling manifested in warm-season observations on the U.S. southern great plains." Journal of Geophysical Research: Atmospheres, 119(2), 10.1002/2013jd020492.
Research Highlight

2012

Reda I, J Zeng, J Scheuch, L Hanssen, B Wilthan, D Myers, and T Stoffel. 2012. "An absolute cavity pyrgeometer to measure the absolute outdoor longwave irradiance with traceability to international system of units, SI." Journal of Atmospheric and Solar-Terrestrial Physics, 77(March 2012), 10.1016/j.jastp.2011.12.011.

Oreopoulos L, E Mlawer, J Delamere, T Shippert, J Cole, B Fomin, M Iacono, Z Jin, J Li, J Manners, P Raisanen, F Rose, Y Zhang, MJ Wilson, and WB Rossow. 2012. "The Continual Intercomparison of Radiation Codes: Results from Phase I." Journal of Geophysical Research: Atmospheres, 117(D6), 10.1029/2011jd016821.
Research Highlight

Sivaraman C. 2012. ARM Climate Research Facility Quarterly Value-Added Product Report Fourth Quarter: July 1–September 30, 2012. U.S. Department of Energy. DOE/SC-ARM-12-022.

Sivaraman C. 2012. ARM Climate Research Facility Quarterly Value-Added Product Report First Quarter: October 01-December 31, 2011. U.S. Department of Energy. DOE/SC-ARM-12-002.

2011

Dong X, K Giannechini, B Xi, and P Minnis. 2011. Validation of CERES-MODIS cloud properties over the Arctic using ARM and CloudSat/CALIPSO observations. Presented at 15th CERES-II science Team Meeting. Newport News, VA.

2010

Zhang Y, CN Long, WB Rossow, and EG Dutton. 2010. "Exploiting diurnal variations to evaluate the ISCCP-FD flux calculations and radiative-flux-analysis-processed surface observations from BSRN, ARM, and SURFRAD." Journal of Geophysical Research – Atmospheres, 115(D15), D00K11, 10.1029/2009jd012743.
Research Highlight

Paquin-Ricard D, C Jones, and PA Vaillancourt. 2010. "Using ARM Observations to Evaluate Cloud and Clear-Sky Radiation Processes as Simulated by the Canadian Regional Climate Model GEM." Monthly Weather Review, 138(3), 10.1175/2009mwr2745.1.

2009

Michalsky JJ, JA Augustine, and PW Kiedron. 2009. "Improved broadband solar irradiance from the multi-filter rotating shadowband radiometer." Solar Energy, 83(12), 10.1016/j.solener.2009.08.007.

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