Posted on 12/08/2010 5:05:53 AM PST by Ernest_at_the_Beach
Click to View animation - This animation shows seasonal vegetation changes on Earth in 2004, created using NASA satellite data. It is an animation of what is called the Normalized Vegetation Difference Index, which provides an indication of the health of plant life on Earth. Source: Scientific Visualization Studio, Goddard Space Flight Center
From NASA Earth Science news: A new NASA computer modeling effort has found that additional growth of plants and trees in a world with doubled atmospheric carbon dioxide levels would create a new negative feedback – a cooling effect – in the Earth’s climate system that could work to reduce future global warming.
The cooling effect would be -0.3 degrees Celsius (C) (-0.5 Fahrenheit (F)) globally and -0.6 degrees C (-1.1 F) over land, compared to simulations where the feedback was not included, said Lahouari Bounoua, of Goddard Space Flight Center, Greenbelt, Md. Bounoua is lead author on a paper detailing the results that will be published Dec. 7 in the journal Geophysical Research Letters.
Without the negative feedback included, the model found a warming of 1.94 degrees C globally when carbon dioxide was doubled.
Bounoua stressed that while the model’s results showed a negative feedback, it is not a strong enough response to alter the global warming trend that is expected. In fact, the present work is an example of how, over time, scientists will create more sophisticated models that will chip away at the uncertainty range of climate change and allow more accurate projections of future climate.
(Excerpt) Read more at wattsupwiththat.com ...
**********************************EXCERPT***************************************
mitchel44 says:
ding ding ding
“Danger Will Robinson, Danger!”
“new NASA computer modeling effort”
Another attempt to muddy the waters just about covers it.
“Scientists agree that in a world where carbon dioxide has doubled – a standard basis for many global warming modeling simulations – temperature would increase from 2 to 4.5 degrees C (3.5 to 8.0 F). (The model used in this study found warming – without incorporating the plant feedback – on the low end of this range.) ”
Always nice to know where they are starting from, in their assumptions while constructing the model.
Seems like a great big “Duh” to me.
Scientists: NASA’s alleged discovery of arsenic-based life is crap
Um, I thought one of the warming period of earth history was when we had tonnes of vegetation
They didn’t need a computer model to tell them that. It’s obvious that plants take in CO2 and give out Oxygen! So plant more trees!
**************************************EXCERPT**********************************
James Sexton says:
Nice. Very nice. And some pinhead is going to take credit for some new original thought? Well, at least they’re only a decade or so behind poor dumb laymen bloggers and commentators.
“We’re learning more and more about how our planet really works,” Sellers said. “We have suspected for some time that the connection between vegetation photosynthesis and the surface energy balance could be a significant player in future climate.”
I hate to be reduced to schoolyard vernacular, but with this, I’ve got to say, ‘no $hit, Sherlock, what was your first clue?’
Are they really this slow? Or are they just milking the grant gravy train?
**********************************EXCERPT*****************************************
Cassandra King says:
Translation?
Our computer models turned out to be so wrong and inaccurate and flawed we needed to find some kind of mechanism we discarded in the beginning because it contradicted the CAGW dogma while still being able to blame CO2 and still claim rising temperatures despite the reality.
Even though the models that we claimed were perfect and infallible were badly designed and included false assumptions and bad data which did failed to predict the climate, the weather, the global temperatures we cannot do without them because the whole CAGW house of cards would collapse and with it the reputations of NASA and its staff and so we have to search around desperately for any mechanism that we can attach to the models instead of binning the models and admitting failure.
NASA cannot admit the truth and they cannot go back to the beginning and start over, they cannot admit errors and mistakes and incompetence and cover ups and made up trash science and fiddled figures, they have painted themselves into a corner and there really is no way out for them other than to bluster and hope the paint eventually dries.
I suspect that if NASAs books were opened up by auditors and if the house and senate get around to launching a full inquiry and start taking names and kicking some ass the stink emanating from NASA will make ENRON look like a non event. I would like to see Sen Inhofe come before the press and announce a full investigation into NASA.
A computer model to predict the future is just a fancy crystal ball.
See #10....time for Sen Inhofe to investigate NASA...they spend a lot of money there.
But it is a fun toy.
“So plant more trees!”
They’ve done that in places. Which ends up creating a water problem because the trees need so much water.
Or worse.
The old saying about computers "Garbage In, Garbage Out" seems to be the norm for NASA.
so basically 20 billion dollars was spent by a bunch scientists and bureaucrats who each spent 20+ years in school to figure out what we all learned in 2nd grade. Plants convert carbon dioxide into oxygen. Cool. Glad we have that settled.
Hopefully so. It’s going to be interesting to see how the new Congress changes policy/funding/cheer-leading with respect to the AGW scam. I’m praying for sanity & honesty.
Hey, I just thought of something, has anyone else noticed that big ball of fire in the sky?
Too bad the present day muslims don't have fresh libraries to raid for knowledge they can claim as their own. Perhaps this is a start?
Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.
