8 % scattered by atmosphere
DESCRIPTION
Soil Temperature Dynamics: Forcing. Solar energy drives the world’s climate… Of the radiation received at the surface of the atmosphere:. 8 % scattered by atmosphere . 17% reflected by clouds = f(cloud albedo). 6% reflected by earth’s surface = f (sfc albedo). - PowerPoint PPT PresentationTRANSCRIPT
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8 % scattered by atmosphere
6% reflected by earth’s surface = f (sfc albedo)
Solar energy drives the world’s climate…Of the radiation received at the surface of the atmosphere:
19% absorbed by greenhouse gases (as well as longwave radiation from surface)
Leaves 46% absorbed by the earth’s surface which goes to heating the surface or evaporation.
17% reflected by clouds = f(cloud albedo)
= processes altered by human activities
Soil Temperature Dynamics: Forcing
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Soil Temperature Profiles
Diurnal vertical heat transmission from solar inputs Follow downward heat pulses
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Heat transmission from fire event
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Seasonal vertical heat transmission note dampening and lag of signal
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Seasonal vertical heat transmission note convergence on annual mean T at depth compare x- & y- axis scales with diurnal profiles
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Borehole Temperatures
Annual to centennial vertical heat transmission
T record reconstruction
from signal unmixing
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Boulder annual T record for comparison with our field measures