3. المناخ وتغير المناخ
Is the sun a black body emitter?
On Friday, 12 March 2004, the Sun ejected a spectacular 'eruptive prominence', or mass of relatively cool plasma, into the heliosphere.
Last access: 20 June 2012
Spectral irradiances of a black body with the temperature 5900 K (yellow),
the solar radiation at the outer edge of the earth's atmosphere (extraterrestrial sunlight, orange)
and at sea level (terrestrial sunlight, rainbow-coloured).
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Last access: 19 March 2021
Estimation of the area below the spectrum of extraterrestrial radiation with a rectangle.
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The most important Fraunhofer lines in the visible spectrum, with their names chosen by Fraunhofer
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Last access: 19 March 2021
Brightness spectrum of a blue sky. The Fraunhofer lines are also marked.
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Last access: 19 March 2021
All Fraunhofer lines in the range from 5000 to 6000 Ångström (or 500 to 600 nm).
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Last access: 19 March 2021
Experimental setup for the detection of the Fraunhofer lines of sodium.
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Last access: 24 March 2021
Spectrum of a halogen lamp with the Fraunhofer lines of sodium.
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Last access: 24 March 2021
Berlin at night, photographed from the International Space Station ISS on April 6, 2013 from an altitude of 396 km. ...
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Last access: 24 March 2021
Above: Monthly and yearly averaged timelapses of the solar irradiance from 1976 to 2015....
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Last access: 29 April 2021
...even if we really appreciate its colours
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Dorothee Spieker, Oldenburg, Germany, 2024
Above: Percentage of radiation loss when solar radiation passes through the atmosphere...
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Last access: 15 May 2021
Monthly irradiance (direct solar radiation and atmospheric radiation) on the ground in Central Europe in 2016-2018...
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Last access: 09 May 2021
Radiance of the Earth measured in space (black) and modelled (red)...
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Last access: 10 May 2021
Infrared spectrum of the back radiation measured on the ground. ...
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Justus Notholt, Bremen University, Germany, personal communication 2009, edited.
The sun and the Earth at a distance of 1 AU, the astronomical unit. ...
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Rainer Reuter, University of Oldenburg, Germany.
A black Earth that completely absorbs all incident radiation, and an Earth as a blue planet with an albedo of 0.3.
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Rainer Reuter, University of Oldenburg, Germany.
Transmission and reflection of window glass...
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Last access: 15 March 2023
A greenhouse, Wilhelma Zoological-Botanical Garden Stuttgart, Germany. ...
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Rainer Reuter, University of Oldenburg, Germany.
Global energy budget of the Earth.
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Last access: 27 June 2021
The Mauna Loa Observatory in Hawaii, USA.
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Last access: 27 August 2023
Left: Time series of atmospheric CO2 from March 1959 to October 2022. ...
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Last access: 27 August 2023
The NOAA Global Greenhouse Gas Reference Network (GGGRN) with locations...
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Last access: 26 August 2023
Time series of greenhouse gases since 1979.
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Last access: 26 August 2023
Changes in temperature at the Earth's surface (land and oceans) since 1880.
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Last access: 29 October 2024
Regional temperatures in July 2023 compared to the average in the base period 1951 to 1980.
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Last access: 29 October 2024