Internal
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Outline on Greenhouse
Effect Images
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External
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Image One of the Greenhouse Effect
shows that, in a delicate balance, some of the Sun's energy is kept on
Earth, & that some is reflected back into space, & that any changes
in this process can heat or cool the Earth |
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Image Two of the Greenhouse Effect
shows that some radiation is reflected by the atm, some is radiated back
to Earth, some is reflected by the Earth's surface, some is absorbed &
some is emitted by the Earth |
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Image Three of
the Greenhouse Effect depicts some the the infrared radiation passing
through the atm, but most is absorbed & re-emitted in all directions
by greenhouse gas molecules & clouds |
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Solar radiation powers the climate system |
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Some solar radiation is reflected by he Earth & the atm |
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About half of the solar radiation is absorbed by the Earth's surface
& warms it |
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Infrared radiation is emitted from the Earth's surface |
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Image Four of
the Greenhouse Effect depicts some solar radiation passes through the
clear atm, some is reflected by the Earth & the atm, & most radiation
is absorbed by the Earth's surface & warms it |
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Some of the infrared radiation passes through the atm, & some is
absorbed & re-emitted in all directions by greenhouse gas molecules |
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The greenhouse effect warms the Earth's surface & the lower atm |
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Image Five of
the Greenhouse Effect depicts some solar radiation being reflected
back into space & some warming the Earth, it's soil, water, & atm |
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The net incoming solar radiation is 240 watts per square meter |
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Some solar radiation is reflected by the atm & the Earth's surface
w/ outgoing solar radiation of 103 watts per square meter |
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Solar radiation passes through the clear atm w/ incoming solar radiation
at 343 watts per square meter |
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Solar energy is absorbed by the Earth's surface & warms it at a
rate of 168 watts per square meter |
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Some of the solar energy which warms the Earth's surface is converted
into heat causing the emission of long wave, e.g. infrared radiation, back
to the atm |
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Some of the infrared radiation is absorbed & re-emitted by the
greenhouse gas molecules |
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The direct effect is the warming of the Earth's surface & the troposphere |
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The surface gains more heat & infrared radiation is emitted again |
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Some of the infrared radiation passes through the atm & is lost
in space w/ a net outgoing infrared radiation of 24 watts per square meter |
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CO2 & ALL GREENHOUSE GASES ARE AT THE HIGHEST LEVELS EVER RECORDED |
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The Figures on Atmospheric Concentration
of CO2, Ancient & Historic shows that CO2 has fluctuated over time
but is at historically high levels & continues to climb sharply |
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The Figure on Historical Concentrations
of CO2 shows that we have historically high levels of CO2 & that
temperature is following that trend |
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The Figures on Methane Concentration
shows that it is at historically high levels, over double what it has ever
been in the last 600 K yrs |
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The Figures on Nitrous Oxide Concentration
shows that it is above historically high levels by 10 % & is on an
upward trend |
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