Australian Politics Forum - Action on AGW, is it enough?

TheFunPolice

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Re: Action on AGW, is it enough?
Reply #150 - Jul 5^th, 2017 at 4:47pm

lee wrote on Jul 4^th, 2017 at 11:39am:

Pho Huc wrote on Jul 4^th, 2017 at 5:24am:

The pppooooiinnnttt is that co2 is driving the climate now. something, which as you are aware, has NEVER happened before.

Another assertion. Please quote the paper that shows it can't be natural variability. I have seen papers that say it can't be therefore...., but no paper that shows it.

Do you even know how science works?

Of course you do...... You're just playing pause button politics to impress daddykins!

Cheesy

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Jovial Monk

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Re: Action on AGW, is it enough?
Reply #151 - Jul 5^th, 2017 at 5:05pm

Yup, we KNOW the mechanism whereby CO2, CH4 and N2O etc cause AGW. Poopyhead will still raise irrelevant crap so he does not have to admit (to himself) that he knows AGW is warming the world. Not only that, the AGW warming has happened while the sun has been relatively quiet. What will happen when it becomes relatively active, starting in 2019, is not something cowards can bear to think about.

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lee Gold Member Online Australian Politics Posts: 21634 Gender:	Re: Action on AGW, is it enough? Reply #152 - Jul 5^th, 2017 at 6:43pm Jovial Monk wrote on Jul 5^th, 2017 at 5:05pm: Yup, we KNOW the mechanism whereby CO2, CH4 and N2O etc cause AGW. Found that reference to earth being a black body radiator yet? JM, leading the choir of Bluff, Bluster and Bullshit.
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Jovial Monk Gold Member Offline Dogs not cats! Posts: 51474 Gender:	Re: Action on AGW, is it enough? Reply #153 - Jul 5^th, 2017 at 6:59pm So black body radiation was too tough for you to understand?
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lee Gold Member Online Australian Politics Posts: 21634 Gender:	Re: Action on AGW, is it enough? Reply #154 - Jul 5^th, 2017 at 9:59pm Jovial Monk wrote on Jul 5^th, 2017 at 6:59pm: So black body radiation was too tough for you to understand? No. I explained that to you. You couldn't grasp the concept that the earth is not a black body.
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Jovial Monk Gold Member Offline Dogs not cats! Posts: 51474 Gender:	Re: Action on AGW, is it enough? Reply #155 - Jul 5^th, 2017 at 10:13pm Errrr yeah, the earth is a black body. Do some more reading.
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lee

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Re: Action on AGW, is it enough?
Reply #156 - Jul 5^th, 2017 at 10:43pm

Jovial Monk wrote on Jul 5^th, 2017 at 10:13pm:

Errrr yeah, the earth is a black body. Do some more reading.

"While there's no such thing as a perfect blackbody, most solid objects are sufficiently close to being a blackbody that they can be treated as being 'close enough'. The sun giving off sunlight, for example, can be treated as a perfect blackbody. On the other hand, the Earth needs to have a correction factor. This correction is taken to be a percentage, 70% of a perfect blackbody. This means that the radiation emitted still looks like figure 1, but it is 30% less energy, more or less uniformly across all of the wavelengths. The Earth's atmosphere cannot be treated as a blackbody"

http://energyeducation.ca/encyclopedia/Blackbody_radiation

Now if you disagree provide proof of your assertion. Mr Bluff, Bluster and Bullshit.

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Jovial Monk

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Re: Action on AGW, is it enough?
Reply #157 - Jul 5^th, 2017 at 10:47pm

What does the earth radiate at night? Black body radiation, infrared.

Where does the IR come from? Radiation from the sun mostly that heats atmosphere and surface during the day. This heat is radiated back out to space at night.

The earth is a black body.

I suggest you do some reading up on the subject. Go to your local library and borrow a book on physics.

Then read this article:

http://eesc.columbia.edu/courses/ees/climate/lectures/radiation/

Describes how the earth acts as a blackbody (but imperfectly because of its atmosphere and its spherical shape and elliptic orbit. Then it describes how water vapor and the GHGs cause AGW.

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« Last Edit: Jul 6^th, 2017 at 2:00am by Jovial Monk »

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lee

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Re: Action on AGW, is it enough?
Reply #158 - Jul 6^th, 2017 at 11:32am

Jovial Monk wrote on Jul 5^th, 2017 at 10:47pm:

Describes how the earth acts as a blackbody (but imperfectly because of its atmosphere and its spherical shape and elliptic orbit.

Exactly. Not a black body.

lee wrote on Jul 5^th, 2017 at 10:43pm:

This correction is taken to be a percentage, 70% of a perfect blackbody. This means that the radiation emitted still looks like figure 1, but it is 30% less energy, more or less uniformly across all of the wavelengths. The Earth's atmosphere cannot be treated as a blackbody

Thank you for agreeing with me. It took a long time but we got there. Wink

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Jovial Monk Gold Member Offline Dogs not cats! Posts: 51474 Gender:	Re: Action on AGW, is it enough? Reply #159 - Jul 6^th, 2017 at 11:57am If the earth was not a black body we would be hotter than Venus. However imperfectly in relation to the laws and equations of black body radiation the earth does act like a black body. And a good thing too. Go and do some reading.
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TheFunPolice

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Re: Action on AGW, is it enough?
Reply #160 - Jul 6^th, 2017 at 12:36pm

lee wrote on Jul 6^th, 2017 at 11:32am:

Jovial Monk wrote on Jul 5^th, 2017 at 10:47pm:

Describes how the earth acts as a blackbody (but imperfectly because of its atmosphere and its spherical shape and elliptic orbit.

Exactly. Not a black body.

lee wrote on Jul 5^th, 2017 at 10:43pm:

This correction is taken to be a percentage, 70% of a perfect blackbody. This means that the radiation emitted still looks like figure 1, but it is 30% less energy, more or less uniformly across all of the wavelengths. The Earth's atmosphere cannot be treated as a blackbody

Thank you for agreeing with me. It took a long time but we got there. Wink

...um, didn't you just say there was no such thing as a perfect black body? Roll Eyes

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Jovial Monk Gold Member Offline Dogs not cats! Posts: 51474 Gender:	Re: Action on AGW, is it enough? Reply #161 - Jul 6^th, 2017 at 12:54pm Lees needs to crack open a physics book. If the earth wasn’t a black body radiator we would be hotter than Venus. The increasing amount of GHGs in the atmosphere is making the earth a less perfect black body, radiating less heat and so warming the atmosphere which warms the surface and oceans.
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TheFunPolice Gold Member Offline Australian Politics Posts: 9009 waggawagga Gender:	Re: Action on AGW, is it enough? Reply #162 - Jul 6^th, 2017 at 1:03pm
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Re: Action on AGW, is it enough?
Reply #163 - Jul 6^th, 2017 at 1:04pm

Consequences of extreme temperatures that will be more frequent with global warming. Up to 6000 cows in California died from 4 days of 100F temperatures.

This information will 'cheese-off' denialists.

http://www.cbsnews.com/news/cow-carcasses-pile-up-in-california-as-heat-wave-cau...

Quote:

Cow carcasses pile up in California as heat wave causes mass death

Triple-digit temperatures have killed thousands of cattle in California. KGPE-TV

FRESNO, Calif. -- Central California's largest rendering plant is overwhelmed by the number of cows that died during a June heat wave, so officials are allowing dairy farmers to bury or compost hundreds of carcasses.

The unusual run of heat last month - including nine straight days of triple-digit temperatures -- and a mechanical malfunction at Baker Commodities have contributed to the overload at the plant, the Fresno Bee reported Friday.

Because of the excess carcasses, Baker stopped picking up from farms, leaving farmers without a place to send their dead animals.

Fresno County Agricultural Commissioner Les Wesley told CBS affiliate KGPE-TV an estimated 4,000 to 6,000 livestock died in June due to the heat wave...

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Jovial Monk Gold Member Offline Dogs not cats! Posts: 51474 Gender:	Re: Action on AGW, is it enough? Reply #164 - Jul 6^th, 2017 at 1:16pm And the heat wave is all over the NH pretty much. Even Sioux Falls, South Dakota is at 26°C right now. Even if the drought means it gets frost at night.
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