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Showing posts with label clouds. Show all posts
Showing posts with label clouds. Show all posts
2013/02/09

What Affects DLWIR?

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Using the same data source as before, the same parameter nulling gives this set of curves  This is the variation of DLWIR with day of ...
2013/01/20

Yearly CO2 variation Shown as Change in DLWIR?

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Not sure about this post. The data used is short The data is noisy Subtracting noisy signals does not improve accuracy!! { UPDATE This...
2012/12/25

Sky Temperature and Thermal Imaging

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Sky, High and Low cloud temperatures   as measured on a thermal imaging camera. These images show the cloud and sky temperatures as meas...
2012/09/04

Some more analysis of u/d lwir and clouds

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Total / opaque cloud vs Temperature No slope on the opaque cloud but a definite dip when teperatures are between 16 and 22C   The fo...
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2012/05/27

The Complex World of Humidity and Temperature

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During sunlight hours (minimal cloud) the water vapour in the air will absorb long wave IR (Green House Effect) from the sun and from the gr...
2012/04/28

Cloud effect on Temperature limited to 3 hour window

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As below but now liminted to a 3 hour window around midday. Note expanded Cloud cover scale (uneven) Here's one with same R...

Just how sensitive is temperature to cloud coverage

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Data is from the same place as the other plots below: http://www.nrel.gov/midc/srrl_bms/ NREL Solar Radiation Research Laboratory Baseli...
2012/04/21

DLWIR Holding 2 parameters at the limit allowing sensible results

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A couple of re-plots with less variation in the 2 other params. Also added a count of returned results for each measurement Basically M...
2012/04/16

Backradiation - fixing the effect of 2 variables plotting the third

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Up to now I've plotted the effect of cloud coverage, humidity and temperature on the difference between DLWIR and ULWIR. However these...