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total solar irradiance

Assessment of Several Empirical Relationships for Deriving Daily Means of UV-A Irradiance from Meteosat-Based Estimates of the Total Irradiance

Assessment of Several Empirical Relationships for Deriving Daily Means of UV-A Irradiance from Meteosat-Based Estimates of the Total Irradiance

... the total solar irradiance I to measurements [ 33 , 51 , 52 ], and because the effects of clear atmosphere and clouds may be decoupled [ 35 ], the main cause lies likely in the determination of the ...

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Reconstruction of the solar spectral UV irradiance for nowcasting of the middle atmosphere state on the basis of LYRA measurements

Reconstruction of the solar spectral UV irradiance for nowcasting of the middle atmosphere state on the basis of LYRA measurements

... daily solar spectral UV irradiance for all wavelengths and considered ...the solar irradiance in Lyman-alpha line (121–122 ...the solar irradiance in the 204–205 nm spectral ...

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A SIMPLE ALGORITHM FOR THE COMPUTATION OF THE SPECTRAL DISTRIBUTION OF THE SOLAR IRRADIANCE AT SURFACE

A SIMPLE ALGORITHM FOR THE COMPUTATION OF THE SPECTRAL DISTRIBUTION OF THE SOLAR IRRADIANCE AT SURFACE

... The solar irradiance integrated over the whole spectrum is called total solar irradiance at the top of the atmosphere or at ground level, depending on the ...the irradiance There ...

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Modeling the solar spectral irradiance

Modeling the solar spectral irradiance

... the solar pointing is not achieved between 4 to 15 days per month, season ...continuous solar rotation ...the solar Carrington rotation 2131 time frame. Given the solar rotation, the SSI ...

3

Improving HelioClim-3 estimates of surface solar irradiance using the McClear clear-sky model and recent advances in atmosphere composition

Improving HelioClim-3 estimates of surface solar irradiance using the McClear clear-sky model and recent advances in atmosphere composition

... surface solar irradiation every 15 min, estimated by processing images from the geostationary meteorologi- cal Meteosat satellites using climatological data sets of the atmospheric Linke turbidity ...sistent ...

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Solar irradiance reduction to counteract radiative forcing from a quadrupling of CO2 : climate responses simulated by four earth system models

Solar irradiance reduction to counteract radiative forcing from a quadrupling of CO2 : climate responses simulated by four earth system models

... for solar con- stant reduction of similar magnitude to that in our simula- ...the solar constant would lead to a reduction of the SW cloud forcing by the same percentage if clouds remained ...the ...

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Solar irradiance modelling over Belgium using Regional Climate Models within the frame of a day-ahead photovoltaic production forecasting system

Solar irradiance modelling over Belgium using Regional Climate Models within the frame of a day-ahead photovoltaic production forecasting system

... K = 0.99 – 1.041*exp(-exp(2.3-4.702*kt)) Figure 2: a) WRF-ARW 5 kilometres inner domain : elevation in metres b) MAR 10 kilometres domain : elevation in metres Figure 5 : Comparison between observed diffuse fraction from ...

1

Solar irradiance modelling over Belgium using WRF-ARW : A sensitivity analysis of Mellor-Yamada-Nakanishi-Niino (BYNN) boundary layer scheme parameters

Solar irradiance modelling over Belgium using WRF-ARW : A sensitivity analysis of Mellor-Yamada-Nakanishi-Niino (BYNN) boundary layer scheme parameters

... - Photovoltaic production day-ahead  Solar Incident Irradiances (SWD) forecasting (+ 2m Wind and T°) using WRF-ARW forced by GFS - Global and diffuse irradiance measurement at Centre S[r] ...

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Downwelling surface solar irradiance in the tropical Atlantic Ocean: a comparison of re-analyses and satellite-derived data sets to PIRATA measurements

Downwelling surface solar irradiance in the tropical Atlantic Ocean: a comparison of re-analyses and satellite-derived data sets to PIRATA measurements

... 4.3 The differences in spatial support for the buoy and the grid cell of the data sets One may object that the size of the grid cell is inappropri- ate for the comparison with a single buoy because surface measurements ...

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On the applicability of the Heliosat-2 method to assess surface solar irradiance in the Intertropical Convergence Zone, French Guiana

On the applicability of the Heliosat-2 method to assess surface solar irradiance in the Intertropical Convergence Zone, French Guiana

... surface solar irradiance made at four ground stations in French Guiana are compared to estimates from the HelioClim-3 database produced by the Heliosat-2 method applied to Meteosat satellite ...about ...

25

Surface pressure fluctuations produced by the total solar eclipse of 1 August 2008

Surface pressure fluctuations produced by the total solar eclipse of 1 August 2008

... Soon after this first modeling, Anderson et al. (1972) set up a measurement campaign to detect the ground pressure fluctuations produced by the passage of the 7 March 1970 total solar eclipse. They ...

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Effects on surface atmospheric photo-oxidants over Greece during the total solar eclipse event of 29 March 2006

Effects on surface atmospheric photo-oxidants over Greece during the total solar eclipse event of 29 March 2006

... the solar eclipse effects on ozone can be eas- ily masked by local and regional ...the solar eclipse effects on O 3 , NO 2 and NO concentrations are revealed from both ...

14

panorama-total-print

panorama-total-print

... Une variable aléatoire X est une fonction définie sur Ω et à valeurs dans un autre ensemble E. Une variable aléatoire focalise sur un certain aspect de l’expérience aléatoire[r] ...

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Episode of unusual high solar ultraviolet radiation over central Europe due to dynamical reduced total ozone in May 2005

Episode of unusual high solar ultraviolet radiation over central Europe due to dynamical reduced total ozone in May 2005

... carried out using a double-monochromator spectroradiome- ter system (DTM 300, Bentham Instruments Ltd., Reading, England). The input optics was a cosine adapted Teflon dif- fuser (Schreder-CMS, Kirchbichl, Austria) that ...

7

Recipe for continuous monitoring of total ozone with a precision of around 1 DU applying mid-infrared solar absorption spectra

Recipe for continuous monitoring of total ozone with a precision of around 1 DU applying mid-infrared solar absorption spectra

... and total column amounts derived at Iza ˜na, Tenerife Island, from FTIR solar absorption spectra, and its validation by an intercomparison to ECC-sonde and Brewer spectrometer measurements, ...

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Vers l'archivage total de soi ?

Vers l'archivage total de soi ?

... Ce souci de préserver sa vie privée a conduit Bell à négliger l’aspect archivistique de sa démarche, dans une espèce d’illusion d’immortalité qu’une telle démarche implique, nous en reparlerons à propos de l’héritage ...

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Improved sky imaging for studies of enhanced UV irradiance

Improved sky imaging for studies of enhanced UV irradiance

... The current results do not confirm which of the above mechanisms (including those accounting for wavelength dependency e ffects), is responsible for UV enhancement. 20 However, it was found that the new ‘Enhanced’ ...

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L’impact de l’édentement total

L’impact de l’édentement total

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...

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Technical Note: Recipe for monitoring of total ozone with a precision of around 1 DU applying mid-infrared solar absorption spectra

Technical Note: Recipe for monitoring of total ozone with a precision of around 1 DU applying mid-infrared solar absorption spectra

... or solar tracker misalignments may maintain constant over several months and are conse- quently systematic error ...the solar tracker are larger at large slant column amounts than at low slant column ...

10

Study of the MLB parameterisation for change in surface solar irradiance with sun zenith angle in clear sky

Study of the MLB parameterisation for change in surface solar irradiance with sun zenith angle in clear sky

... The principle of the assessment is the following. A large set of SSI values is created by runs of the libRadtran: these are the reference SSI. We use the MLB function to compute the SSI for the same conditions and we ...

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