Category Archives: Optical Material Properties

The 2 Good Greenhouse Gas III (Looking Up)

We have been looking down so far. What happens when you stand on the ground and point a spectrometer up? Interesting things.   In the CO2 bands around wave number 667 a spectrometer pointed up from the ground sees radiation at … Continue reading

Posted in Climate, climate sensitivity, Greenhouse Spectra, Optical Material Properties, Spectra | Tagged | 11 Comments

The 2 Good Greenhouse Gas II

When show a Carbonist that there is no evidence of CO2 causing significant “global” warming at any scale from deep time to the last 35 years as we did in the last post, they usually look at you funny and say, … Continue reading

Posted in Climate, Optical Material Properties, Photon, Physics, Radiance, Spectra | Tagged , | 1 Comment

Pressure Broadening

In a recent blog post Dr. Roy Spencer took the skeptical community to task for a list of arguments he considers to lack merit. One of these was the argument that the CO2 absorption bands are saturated. He stated that … Continue reading

Posted in Climate, climate sensitivity, Optical Material Properties, Photon, Pressure Broadening, Spectra | Tagged , , | 1 Comment

Spectra, Goddess of Light

We worship in strange and disjointed ways. One seeking to better understand how Spectra’s blessings arrive and leave our planet is confronted with a bewildering array of graphics. This one shows incoming light in nanometers. This one shows outgoing in … Continue reading

Posted in Climate, Greenhouse Spectra, Optical Material Properties, Photon, Spectra | Tagged , , , | Leave a comment

Carbon Dioxide, the Wimp

It is pretty well-known that CO2 represents only one part in 2500 in the atmosphere. Water vapor represents one part in 40. Not only is CO2 a wimpy constituent of the atmosphere, it is also a wimpy constituent of the … Continue reading

Posted in Climate, Global Warming, Optical Material Properties | Tagged , , | 1 Comment