The Geostationary Earth Radiation Budget Edition 1 data processing algorithms

Dewitte, Steven; Gonzalez, L.; Clerbaux, Nicolas; Ipe, A.; Bertrand, Cédric; Paepe, B. De

doi:10.1016/j.asr.2007.07.042

Cited by 54 publications

(45 citation statements)

References 10 publications

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“…These data were obtained from the NASA Langley Research Center Atmospheric Science Data Center. Additionally, we made use of the Geostationary Earth Radiation Budget high-resolution (GERB HR) product (available from 2004 onward) which provides continuous observations of the TOA outgoing fluxes available every 15 min and which we re-gridded to 0.25 • spatial resolution (Harries et al, 2005;Dewitte et al, 2008). We also made a detailed comparison with the retrievals of SW and LW radiative forcing derived from GERB measurements, which are described in detail by Ansell et al (2014) and investigated further by Banks et al (2014).…”

Section: Toa Observationsmentioning

confidence: 99%

Diurnal cycle of the dust instantaneous direct radiative forcing over the Arabian Peninsula

et al. 2015

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Abstract. In this study we attempted to better quantify radiative effects of dust over the Arabian Peninsula and their dependence on input parameters. For this purpose we have developed a stand-alone column radiation transport model coupled with the Mie, T-matrix and geometric optics calculations and driven by reanalysis meteorological fields and atmospheric composition. Numerical experiments were carried out for a wide range of aerosol optical depths, including extreme values developed during the dust storm on 18-20 March 2012. Comprehensive ground-based observations and satellite retrievals were used to estimate aerosol optical properties, validate calculations and carry out radiation closure. The broadband surface albedo, fluxes at the bottom and top of the atmosphere as well as instantaneous dust radiative forcing were estimated both from the model and observations. Diurnal cycle of the shortwave instantaneous dust direct radiative forcing was studied for a range of aerosol and surface characteristics representative of the Arabian Peninsula. Mechanisms and parameters responsible for diurnal variability of the radiative forcing were evaluated. We found that intrinsic variability of the surface albedo and its dependence on atmospheric conditions, along with anisotropic aerosol scattering, are mostly responsible for diurnal effects.

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Section: Toa Observationsmentioning

confidence: 99%

Diurnal cycle of the dust instantaneous direct radiative forcing over the Arabian Peninsula

et al. 2015

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“…Table 5 lists the GERB instruments flown in space. GERB4 on MSG4 [39,41] Nominally, the MSG satellites are located at a longitude close to 0 • . Since October 2016, the oldest of the MSG satllites, MSG-1 also called Meteosat-8, has been relocated to 41.5 • east longitude.…”

Section: Earth Radiation Budget Instrumentsmentioning

confidence: 99%

Measurement of the Earth Radiation Budget at the Top of the Atmosphere—A Review

Dewitte

Clerbaux

2017

Remote Sensing

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Abstract:The Earth Radiation Budget at the top of the atmosphere quantifies how the Earth gains energy from the Sun and loses energy to space. It is of fundamental importance for climate and climate change. In this paper, the current state-of-the-art of the satellite measurements of the Earth Radiation Budget is reviewed. Combining all available measurements, the most likely value of the Total Solar Irradiance at a solar minimum is 1362 W/m 2 , the most likely Earth albedo is 29.8%, and the most likely annual mean Outgoing Longwave Radiation is 238 W/m 2 . We highlight the link between long-term changes of the Outgoing Longwave Radiation, the strengthening of El Nino in the period 1985-1997 and the strengthening of La Nina in the period 2000-2009.

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“…In this project, these products are referred to as 'GERB-like' High Resolution, with a spatial resolution of 3 × 3 SEVIRI pixels (∼10 × 10 km at nadir) and a temporal resolution of 15 minutes. They are essentially the result of a narrow-to broadband conversion on the SEVIRI solar band channels at 0.6, 0.8 and 1.6 microns, coupled with a radiance-to-flux conversion via the application of CERES Tropical Rainfall Measuring Mission (TRMM) angular distribution models (ADMs: Loeb et al, 2003;Dewitte et al, 2008). This latter conversion requires a scene identification which is derived from SEVIRI, but at present the available GERB-like fluxes are obtained without accounting for the impact of aerosol on the anisotropy of the scene.…”

Section: Comparison Of Aircraft Measurements Of Sw ↑ Dre Sw↑ and τ mentioning

confidence: 99%

Observations and modelling of the solar and terrestrial radiative effects of Saharan dust: a radiative closure case‐study over oceans during the GERBILS campaign

Haywood

Johnson

Osborne

et al. 2011

Quart J Royal Meteoro Soc

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†The contributions of these authors were written in the course of their employment at the Met Office, UK and are published with the permission of the Controller of HMSO and the Queen's Printer for Scotland.Mineral dust events exert a significant perturbation to the Earth's radiation balance via scattering and absorption in both solar and thermal infrared wavelengths. This study documents aircraft-based measurements of the solar and terrestrial radiative effects of a mineral dust outbreak off the west coast of Africa while the FAAM BAe-146 was in transit to the GERBILS observational measurement campaign. By comparing model and measurements of upwelling irradiance, an instantaneous top-of-atmosphere broadband solar direct radiative effect (DRE) of −33 ± 6 W m −2 is determined for an aerosol optical depth at 0.55 µm (τ 0.55 ) of around 0.26 ± 0.04 with the variability in τ 0.55 being estimated from the uncertainty in the aerosol models used in the radiative transfer calculations. Measurements of the spectral dependence of the solar radiative effect indicate that this is well modelled both above and below the dust layer whether using spherical, spheroid or irregular particle models. The terrestrial radiative impact at the top of the atmosphere is estimated to be +9 ± 3 W m −2 or around 25-30% of the solar radiative effect in this particular case, although the relative magnitude will of course be dependent on the underlying surface albedo, surface skin temperature, and details of the vertical profile of dust, temperature and humidity. The DRE retrieved from the Spinning Enhanced

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The Geostationary Earth Radiation Budget Edition 1 data processing algorithms

Cited by 54 publications

References 10 publications

Diurnal cycle of the dust instantaneous direct radiative forcing over the Arabian Peninsula

Diurnal cycle of the dust instantaneous direct radiative forcing over the Arabian Peninsula

Measurement of the Earth Radiation Budget at the Top of the Atmosphere—A Review

Observations and modelling of the solar and terrestrial radiative effects of Saharan dust: a radiative closure case‐study over oceans during the GERBILS campaign

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