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

Dewitte, Steven; Clerbaux, Nicolas

doi:10.3390/rs9111143

Cited by 51 publications

(56 citation statements)

References 42 publications

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“…For comparison also the independent ERA 5 RSR [10] is shown (purple curve). In all cases the measurements are anchored to a global average RSR value of 101.4 W/m 2 over the period 2005-2014 following [5]. This makes the Earth Energy Imbalance equal to 0.9 W/m 2 following [11].…”

Section: Apparent Residual Ceres Rsr Ageingmentioning

confidence: 99%

“…Figure 12 shows the yearly running means of the outgoing earth radiation terms, namely the RSR (purple curve) and the OLR (green curve) as measured by CERES for the period 2000-2018. Following [14], the OLR is anchored to a value of 238 W/m 2 Figure 13 shows the monthly running annual mean incoming solar radiation following [5] (purple curve) and the global mean TOR (green curve) for the period 2000-2018. The TOR is obtained as the sum of the OLR and the RSR.…”

Section: Link To Sea Ice Extentmentioning

confidence: 99%

“…For understanding current and past climate change, and for increasing the confidence with which future climate change can be predicted, the analysis of long term changes of the ERB is essential. The measurement of the ERB from space has a long history [5], but the availability of long term homogeneous ERB Climate Data Records (CDR's) is relatively recent.…”

Section: Introductionmentioning

confidence: 99%

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Decadal Changes of the Reflected Solar Radiation and the Earth Energy Imbalance

2019

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Decadal changes of the Reflected Solar Radiation (RSR) as measured by CERES from 2000 to 2018 are analysed. For both polar regions, changes of the clear-sky RSR correlate well with changes of the Sea Ice Extent. In the Arctic, sea ice is clearly melting, and as a result the earth is becoming darker under clear-sky conditions. However, the correlation between the global all-sky RSR and the polar clear-sky RSR changes is low. Moreover, the RSR and the Outgoing Longwave Radiation (OLR) changes are negatively correlated, so they partly cancel each other. The increase of the OLR is higher then the decrease of the RSR. Also the incoming solar radiation is decreasing. As a result, over the 2000–2018 period the Earth Energy Imbalance (EEI) appears to have a downward trend of −0.16 ± 0.11 W/m2dec. The EEI trend agrees with a trend of the Ocean Heat Content Time Derivative of −0.26 ± 0.06 (1 σ ) W/m2dec.

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Section: Apparent Residual Ceres Rsr Ageingmentioning

confidence: 99%

Section: Link To Sea Ice Extentmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Decadal Changes of the Reflected Solar Radiation and the Earth Energy Imbalance

2019

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“…Climate on Earth is determined by the radiative energy fluxes at the Earth's top of atmosphere (TOA) [1]. The Earth Radiation Budget (ERB) quantifies the incoming and outgoing radiative energy fluxes at the TOA.…”

Section: Introductionmentioning

confidence: 99%

Design and Analysis of a Next-Generation Wide Field-of-View Earth Radiation Budget Radiometer

et al. 2020

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Climate on Earth is determined by the Earth Radiation Budget (ERB), which quantifies the incoming and outgoing radiative energy fluxes. The ERB can be monitored by non-scanning wide field-of-view radiometers, or by scanning narrow field-of-view radiometers. We propose an enhanced design for the wide field-of-view radiometer, with as key features the use of a near-spherical cavity to obtain a uniform angular sensitivity and the integration of the shuttered electrical substitution principle, eliminating long term drifts of the radiometer and improving its time response. The target absolute accuracy is 1 W/m 2 and the target stability is 0.1 W/m 2 per decade for the measurement of the total outgoing Earth’s radiation. In order to increase the spatial resolution and to separate the total outgoing radiation into reflected Solar and emitted thermal radiation, we propose the joint use of the radiometer with wide field-of-view Shortwave (400–900 nm) and Longwave (8–14 μm) cameras. This paper presents the concept and design of the novel wide field-of-view radiometer, including simulations and analyses of its expected performance. We focus on mechanical design and the measurement characteristics based on optical and thermal analyses. In combination with the cameras, we obtain an estimated accuracy of 0.44 W/m 2 .

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“…Space-borne measurements of TSI have been ongoing through a series of temporally-overlapping sensors (Dewitte and Clerbaux 2017;Kopp 2017). The Earth Radiation Budget (ERB) instrument, launched on NASA's NIMBUS 7 spacecraft in November 1978, was the first long-duration spaceflight TSI instrument.…”

Section: Selected Studiesmentioning

confidence: 99%

Remote sensing of earth’s energy budget: synthesis and review

Liang

Wang

et al. 2019

International Journal of Digital Earth

140

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The Earth's climate is largely determined by its energy budget. Since the 1960s, satellite remote sensing has been used in estimating these energy budget components at both the top of the atmosphere (TOA) and the surface. Besides the broadband sensors that have been traditionally used for monitoring Earth's Energy Budget (EEB), data from a variety of narrowband sensors aboard both polar-orbiting and geostationary satellites have also been extensively employed to estimate the EEB components. This paper provides a comprehensive review of the satellite missions, state-of-the art estimation algorithms and the satellite products, and also synthesizes current understanding of the EEB and spatiotemporal variations. The TOA components include total solar irradiance, reflected shortwave radiation/planetary albedo, outgoing longwave radiation, and energy imbalance. The surface components include incident solar radiation, shortwave albedo, shortwave net radiation, longwave downward and upwelling radiation, land and sea surface temperature, surface emissivity, all-wave net radiation, and sensible and latent heat fluxes. Some challenges, and outlook such as virtual constellation of different satellite sensors, temporal homogeneity tests of long time-series products, algorithms ensemble, and products intercomparison are also discussed.

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

Cited by 51 publications

References 42 publications

Decadal Changes of the Reflected Solar Radiation and the Earth Energy Imbalance

Decadal Changes of the Reflected Solar Radiation and the Earth Energy Imbalance

Design and Analysis of a Next-Generation Wide Field-of-View Earth Radiation Budget Radiometer

Remote sensing of earth’s energy budget: synthesis and review

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