Welcome to DU! The truly grassroots left-of-center political community where regular people, not algorithms, drive the discussions and set the standards. Join the community: Create a free account Support DU (and get rid of ads!): Become a Star Member Latest Breaking News Editorials & Other Articles General Discussion The DU Lounge All Forums Issue Forums Culture Forums Alliance Forums Region Forums Support Forums Help & Search

Environment & Energy

OKIsItJustMe

(21,734 posts)

9. Clouds block infrared frequencies, but not all infrared frequencies

Reply to Fumesucker (Reply #8)

Sat Nov 29, 2014, 11:27 AM

Nov 2014

http://www.giss.nasa.gov/research/briefs/schmidt_05/

…

Outgoing spectral radiance at the top of Earth's atmosphere showing the absorption at specific frequencies and the principle absorber. For comparison, the red curve shows the flux from a classic "blackbody" at 294°K (≈21°C ≈ 69.5°F).

…

Click here to purchase valentine hearts!

Edit history

Please sign in to view edit histories.

Recommendations

0 members have recommended this reply (displayed in chronological order):

10 replies

= new reply since forum marked as read

Highlight:

Stanford engineers invent high-tech mirror to beam heat away from buildings into space [View all] IDemo Nov 2014 OP

why do that??? ellennelle Nov 2014 #1

Probably not practical entropically 4dog Nov 2014 #2

Ah ha! I knew it sounded familiar! OKIsItJustMe Nov 2014 #3

I have been thinking, wondering, Control-Z Nov 2014 #4

I have a non contact laser guide thermometer Fumesucker Nov 2014 #5

I think the main purpose is to reduce the need for air conditioning in the building muriel_volestrangler Nov 2014 #6

As I recall, they take clouds into account OKIsItJustMe Nov 2014 #7

On a clear night where the air temperature is above freezing you often get frost on the ground Fumesucker Nov 2014 #8

Clouds block infrared frequencies, but not all infrared frequencies OKIsItJustMe Nov 2014 #9

Material Cools Buildings by Sending Heat into Space OKIsItJustMe Dec 2014 #10