A new procedure is presented for determining in situ the solar calibration constant, i.e., the Sun-sky radiometer counts for a direct normal solar flux extrapolated to the top of the atmosphere. The method makes use of a modified version of the Langley plot based on the use of an inversion code of column-integrated aerosol size distribution, and it is ordinarily applied to calibrate Prede Sun-sky radiometers. To analyze how such an in situ method can work accurately, the technique has been applied to a five-month dataset obtained from measurements taken in Rome, Italy, by a Prede Sun-sky radiometer from 22 April to 5 November 2001. The precision of the in situ method has been estimated to within 1-2.5%, depending on the wavelength. (C) 2004 Optical Society of America.
Campanelli, M., Nakajima, T., & Olivieri, B. (2004). Determination of the solar calibration constant for a sun-sky radiometer: proposal of an in-situ procedure. Applied Optics, 43(3), 651-659.
Tipologia: | Articolo su rivista |
Citazione: | Campanelli, M., Nakajima, T., & Olivieri, B. (2004). Determination of the solar calibration constant for a sun-sky radiometer: proposal of an in-situ procedure. Applied Optics, 43(3), 651-659. |
Lingua: | English |
Settore Scientifico Disciplinare: | Settore MAT/07 - Fisica Matematica |
Revisione (peer review): | Sì, ma tipo non specificato |
Tipo: | Articolo |
Rilevanza: | Rilevanza internazionale |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1364/AO.43.000651 |
Stato di pubblicazione: | Pubblicato |
Data di pubblicazione: | 2004 |
Titolo: | Determination of the solar calibration constant for a sun-sky radiometer: proposal of an in-situ procedure |
Autori: | |
Autori: | Campanelli, M; Nakajima, T; Olivieri, B |
Appare nelle tipologie: | 01 - Articolo su rivista |