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Moderated Global Warming Discussion

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Climate change, in the framework of the constructal law
http://www.earth-syst-dynam-discuss.net/2/241/2011/esdd-2-241-2011.pdf

Here we present a simple and transparent alternative to the complex models of Earth
thermal behavior under time-changing conditions. We show the one-to-one relationship
between changes in atmospheric properties and time-dependent changes in temperature
5 and its distribution on Earth. The model accounts for convection and radiation,
thermal inertia and changes in albedo () and greenhouse factor (
). The constructal
law is used as the principle that governs the evolution of flow configuration in time,
and provides closure for the equations that describe the model. In the first part of the
paper, the predictions are tested against the current thermal state of Earth. Next, the
10 model showed that for two time-dependent scenarios, (=0.002; 
=0.011) and
(=0.002; 
=0.005) the predicted equatorial and polar temperature increases and
the time scales are (ÉTH =1.16 K; ÉTL =1.11 K; 104 years) and (0.41 K; 0.41 K; 57
years), respectively. In the second part, a continuous model of temperature variation
was used to predict the thermal response of the Earth’s surface for changes bounded
15 by =
and =−
. The results show that the global warming amplitudes and
time scales are consistent with those obtained for =0.002 and 
=0.005. The
poleward heat current reaches its maximum in the vicinity of 35 latitude, accounting
for the position of the Ferrel cell between the Hadley and Polar Cells.

Full paper available at top-link
 
I don't believe BEST to be a denialist effort so much as a minimallizing delaying effort. I expect more along the lines of "Yes, there's warming, but its not much and its not a big problem. Nothing which requires game-changing regulations or practices, just a little planetary climate fluctuation."

Further to this, the unfolding story is covered at http://climateprogress.org/2011/03/22/climate-science-deniers-berkeley-temperature-study/

It can also be followed at the fair-and-balanced WattsUpMyButt, where it emerges that Watts and Co. are rather intimately connected to the project (or so they claim). Rather more so than the project's chairman (the egregious Richard Muller) apparently. Such is their disarray that a conspiracy is definitely out of the question. Not a very good one, anyway.

Meanwhile all eyes turn towards the Arctic summer ...

Those which aren't focussed on Libya, Syria, Japan and Wisconsin, anyway.
 
The energy imbalance is the highest initially [3.67Wm−2, case (A)], while it is still significant [1.47 W m−2, case (A)] when 60% of the temperature response is reached. Although coming from a simple model, these results are consistent with those based on highly complex meteorological models. For example, using the global climate model of
5 the NASA Goddard Institute of Space Studies to simulate the climate evolution for the 1880–2003 period, Hansen et al. (2005) have found an overall temperature increase of 1.2 K for an increase of 0.6 K after 120 years.
The same authors report an energy imbalance reaching 0.85±0.15Wm−2for an overall energy imbalance of 1.8Wm−2 relative to 1880. Furthermore, 25–50 years are needed for the Earth’s temperature to reach 60% of its equilibrium response. Hansen et al. (2005) also reported that 85% of the heat storage occurs above 750 m depth.The depth taken into account for thermal inertia calculation in case 3 (917m) is of the same order of magnitude, so that only case 3 is studied in what follows.

brilliant....:clap:

Conclusions
Complex models of the Earth thermal behaviour are opaque from the point of view of 20 the general audience, and contain the uncertainties of the many flows of various scales that are included in these models.
On this background, simple models provide interest- ing results even if with fewer details. In this paper, a simple convection/radiation model was used for anticipating the time-dependent response of the Earth climate to changes in the albedo and greenhouse factor.
The novelty is the simplicity, transparency and the use of constructal law as the principle that governs the evolution of flow configuration in time, and which provides closure of the model equations.
 
Indeed, it's not always easy to teach people...

...Anytime you can find information on these basic principles that helps me convey these complex equations and computer models please do. Thanks.

The first principle necessary to teaching, is making sure that you yourself have a comprehensive and accurate understanding of the topic from many different perspectives,... let me see what I can find that's openly available on the internet. If you have access to a good university server I can include more texts and papers (which helps tremendously).

Here are a few basic papers that I have handy links to on this system. I should be back home this weekend and I'll see if I can put together a more comprehensive compilation.

The equilibrium sensitivity of the Earth’s temperature to radiation changes
http://www.iac.ethz.ch/people/knuttir/papers/knutti08natgeo.pdf

Deductions from a Simple Climate Model: Factors Governing Surface Temperatures and Atmospheric Thermal Structure
http://www-ramanathan.ucsd.edu/files/pr63.pdf

The Maximum Entropy Production Principle: Its Theoretical Foundations and Applications to the Earth System
http://www.mdpi.com/1099-4300/12/3/613/pdf

Thermodynamics of a Global-Mean State of the Atmosphere—A State of Maximum Entropy Increase
http://journals.ametsoc.org/doi/full/10.1175/1520-0442(1997)010<0441:TOAGMS>2.0.CO;2

Trace-Gas Greenhouse Effect and Global Warming: Underlying principles and outstanding issues
http://www-ramanathan.ucsd.edu/files/pr78.pdf

Entropy and climate. I: ERBE observations of the entropy production
of the earth
http://radarmet.atmos.colostate.edu/AT620/papers/Stephens_and_Obrien.pdf

Most of these are a bit dated, but as they focus primarily upon basic principles which have remained intact for most of the last few decades (at the least) that shouldn't prove a major issue.
 
Re-run of the important stuff

Probabilistic Forecast for 21st Century Climate Based on Uncertainties in Emissions (without Policy) and Climate Parameters
http://globalchange.mit.edu/files/document/MITJPSPGC_Rpt169.pdf

Abstract
The MIT Integrated Global System Model is used to make probabilistic projections of climate change from 1861 to 2100. Since the model’s first projections were published in 2003 substantial improvements have been made to the model and improved estimates of the probability distributions of uncertain input parameters have become available. The new projections are considerably warmer than the 2003 projections, e.g., the median surface warming in 2091 to 2100 is 5.1oC compared to 2.4oC in the earlier study. Many changes contribute to the stronger warming; among the more important ones are taking into account the cooling in the second half of the 20th century due to volcanic eruptions for input parameter estimation and a more sophisticated method for projecting GDP growth which eliminated many low emission scenarios. However, if recently published data, suggesting stronger 20th century ocean warming, are used to determine the input climate parameters, the median projected warning at the end of the 21st century is only 4.1oC. Nevertheless all our simulations have a very small probability of warming less than 2.4oC, the lower bound of the IPCC AR4 projected likely range for the A1FI scenario, which has forcing very similar to our median projection. The probability distribution for the surface warming produced by our analysis is more symmetric than the distribution assumed by the IPCC due to a different feedback between the climate and the carbon cycle, resulting from a different treatment of the carbon-nitrogen interaction in the terrestrial ecosystem.

Full pdf available at above link.
 
Further to this, the unfolding story is covered at http://climateprogress.org/2011/03/22/climate-science-deniers-berkeley-temperature-study/

It can also be followed at the fair-and-balanced WattsUpMyButt, where it emerges that Watts and Co. are rather intimately connected to the project (or so they claim). Rather more so than the project's chairman (the egregious Richard Muller) apparently. Such is their disarray that a conspiracy is definitely out of the question. Not a very good one, anyway.

Meanwhile all eyes turn towards the Arctic summer ...

Those which aren't focussed on Libya, Syria, Japan and Wisconsin, anyway.

Really don't care that much about any of the last four, they seem more like symptoms than than roots.

http://www.foi.se/upload/projects/Africa/FOI-R--2377--SE.pdf
 
Really don't care that much about any of the last four, they seem more like symptoms than than roots.

http://www.foi.se/upload/projects/Africa/FOI-R--2377--SE.pdf

It's going to be difficult to separate the influence of climate change on specific political events from other causes (few things in life are ever simple, after all). That's a godsend for deniers, of course.

Rising food prices have been suggested as an immediate cause of unrest in the Middle East, but how much of that is due to climate change and how much to Peak Oil is debatable. Probably more important than food prices (in my opinion) are underlying generational and demographic tensions. The regimes affected are principally composed of old men, while the societies have a large component of young men whose interests are not being served. That's a recipe for conflict.

Wisconsin is about a social and political order which serves Old White Money, again neglecting the interests of a large part of the population. AGW denial in the US falls into the same category.

Japan's nuclear problems are to do with "regulatory capture", which is a pretty common phaenomenon. That one, I think, is quite separate from climate change; something similar connected with climate change is quite possible, of course, with rising sea-levels, and increasing precipitation rates and storm-severity.

People naturally tend to focus on current events, while climate change is a continuing event. I'm reminded of the old adage "When you're up to neck in alligators it's hard to remember that your original intention was to drain the swamp". Another reason why we're screwed.

(By the way, thanks for the link to the Maximum Entropy Production paper, most interesting.)
 
It's going to be difficult to separate the influence of climate change on specific political events from other causes (few things in life are ever simple, after all). That's a godsend for deniers, of course.

Its not an aversion to nuance, but rather a deliberative exploitation and purposeful conflation of nuance, and the proper qualification and conditionals. Textbook pseudoscience manipulation and distortion of "the gaps."

Rising food prices have been suggested as an immediate cause of unrest in the Middle East, but how much of that is due to climate change and how much to Peak Oil is debatable.

Different faces of the same unsustainable practices, pollute, exploit and loot the commons to generate personal profit while avoiding the costs and responsibilities of such actions. You can't blame people for the practices, when they are condoned and encouraged, but complaining about the taxes that must be raised for cleaning up such messes and neglected responsibilities is certainly hypocritical or duplicitous.

Probably more important than food prices (in my opinion) are underlying generational and demographic tensions. The regimes affected are principally composed of old men, while the societies have a large component of young men whose interests are not being served. That's a recipe for conflict.

sounds like the record of history. Generational transition/conflict is largely without resolution, the channelling of such into non-violent fads and shifting traditions is possible when tolerance is a key societal value in situations where basic needs are largely met (food, water, shelter and basic public services), when these elements are left unmet, revolution and unrest are common results.

Wisconsin is about a social and political order which serves Old White Money, again neglecting the interests of a large part of the population. AGW denial in the US falls into the same category.

In this case (and most, IMO) "white" is more incidental than structural to the issue. All of the "old money" I've ever been in contact with really didn't care about the color of your skin, only whether or not you were an obstacle to their goals. Most old money really doesn't care about AGW one way or the other, they are (for the most part) adequately positioned to survive and thrive regardless of climate conditions. It would be silly to expect them to make major changes when there are no laws or penalties to counter-balance the benefits of business as usual. This doesn't mean that they are stupid, Old Money are the prime investors in alternatives and green industries, but they aren't going to push for heavy implementation while there are still profits to be earned from the system already in place.

Japan's nuclear problems are to do with "regulatory capture", which is a pretty common phaenomenon. That one, I think, is quite separate from climate change; something similar connected with climate change is quite possible, of course, with rising sea-levels, and increasing precipitation rates and storm-severity.

Japan's nuclear problems, IMO, are relatively minor, and as you state, more involved with a regulatory step back and fifty-year old technology pushed well beyond its design-life and then subjected to un-designed for natural disaster. That is the reason most of those pushing for reasonable (and necessary, IMO) expansion of US nuclear power, aren't advocating for a deregulation free-for-all of the industry. Site-planning and impact studies (as well as continually updated decommissioning plans) are, and need to remain, a part of any major expansion of nuclear power in the US, especially in light of the changes we can expect from climate change over the coming centuries.

People naturally tend to focus on current events, while climate change is a continuing event. I'm reminded of the old adage "When you're up to neck in alligators it's hard to remember that your original intention was to drain the swamp". Another reason why we're screwed.

lemons and lemonade. Its only short-sighted, individuals with near-term alternative agendae who seek to exagerate the costs to forestall the transition and associated benefits that are prone to complain about the "alligators" and use the danger from them as a distraction from the fact that the swamp is the root problem. Drain the swamp and the alligator problem is largely resolved moving into the future. If you are a true entrepeneur, you market the gator meat and hides to help offset the costs of draining the swamp.

The problem isn't necessarily that people are short-sighted, its that there is no clear-cut guiding vision that consistently lays out the problem and the course that needs to be taken to resolve it. Those who have politically polarized the issue (on both sides of the divide) are primarily at fault in this regard.

(By the way, thanks for the link to the Maximum Entropy Production paper, most interesting.)

And Thank-you for reminding me of what else I was going to do this weekend!
 
A timely and perfect example of how Inhoffe distorts reality so that out can be drip fed to the denier ~ tards...

http://scienceblogs.com/deltoid/2011/03/julie_bishop_misrepresents_joa.php

I tend not to spend much time on blogs, even reputable science blogs by reputable scientists, just because I don't want to absorb too much normative analysis and begin subconsciously conflating it with positive analyses by the authors and cited references,...but that's just me. In the link you provided, I actually find the reader responses to be as (if not more) interesting and informative than the OP.
Thank-you for bringing it to my attention!
 
Its not an aversion to nuance, but rather a deliberative exploitation and purposeful conflation of nuance, and the proper qualification and conditionals. Textbook pseudoscience manipulation and distortion of "the gaps."

AGW denial will disappear down those gaps in the next decade or two (there's a generational effect at play there as well), but given the cluster-hump we're racing into it really will be technically difficult to attribute causes in every case. Future historians will find this period an endless source of publishable papers and books :).

And the same kinds of ideologues will find the message they want in it, of course. As the great Mark Twain put it, "History doesn't repeat, but it rhymes".

I do expect sustainability to become a point of political competition, each party claiming the others plans are unsustainable. True conservatism will return.

Different faces of the same unsustainable practices, pollute, exploit and loot the commons to generate personal profit while avoiding the costs and responsibilities of such actions. You can't blame people for the practices, when they are condoned and encouraged, but complaining about the taxes that must be raised for cleaning up such messes and neglected responsibilities is certainly hypocritical or duplicitous.

That's people for you.

There are actually places, such as the Forest of Dean and the New Forest in Hampshire, where the commons have been managed successfully for many centuries. There is that potential in people.

sounds like the record of history. Generational transition/conflict is largely without resolution, the channelling of such into non-violent fads and shifting traditions is possible when tolerance is a key societal value in situations where basic needs are largely met (food, water, shelter and basic public services), when these elements are left unmet, revolution and unrest are common results.

After revolutions there usually comes a time when the generational issue is temporarily resolved, because it is generally conservative. Anti-radical, from living-memory experience. And the old leeches have been purged. Gradually new leeches emerge to suck onto the status quo, and tension rises again.

Societies generally change in fits and starts, like dragging a brick across a surface with a rubber-band. There's a sort of pattern to it.

In this case (and most, IMO) "white" is more incidental than structural to the issue.

Indeed.

All of the "old money" I've ever been in contact with really didn't care about the color of your skin, only whether or not you were an obstacle to their goals.

I agree with that. For the seriously moneyed, money itself is the only criterion. Old Money has no problems mixing with Russian gangsters who made out in the Yeltsin years, or Saudis two generations along from goat-molesters. Money is not judgmental.

Most old money really doesn't care about AGW one way or the other, they are (for the most part) adequately positioned to survive and thrive regardless of climate conditions. It would be silly to expect them to make major changes when there are no laws or penalties to counter-balance the benefits of business as usual. This doesn't mean that they are stupid, Old Money are the prime investors in alternatives and green industries, but they aren't going to push for heavy implementation while there are still profits to be earned from the system already in place.

The knee-jerk reaction of those doing well out of the status quo is to oppose change. There's also a great tendency for such people to believe that the world they like is the best of all possible worlds, and no end of people willing to tell them why that's so, for a price.

The Koch brothers really do believe in their Libertarian claptrap. They're opposed to immigration not because of racial prejudice but because it changes things.

Japan's nuclear problems, IMO, are relatively minor, and as you state, more involved with a regulatory step back and fifty-year old technology pushed well beyond its design-life and then subjected to un-designed for natural disaster. That is the reason most of those pushing for reasonable (and necessary, IMO) expansion of US nuclear power, aren't advocating for a deregulation free-for-all of the industry. Site-planning and impact studies (as well as continually updated decommissioning plans) are, and need to remain, a part of any major expansion of nuclear power in the US, especially in light of the changes we can expect from climate change over the coming centuries.

Promised after 3 Mile Island and all sorts of horror-stories are emerging now.

In the ongoing cluster-hump nobody's going to risk another potential hump, and risk is the word that most people carry away from the discussion. That and images of evacuations and children getting scanned by men in scary suits before boarding ...

And nuclear can't get funded. Fuggedaboudit.

Unless there's a radically new design actually implemented soon.

As if Japan didn't have enough to worry about with an earthquake and tsunami. Hadf that had been the end of the matter they'd have coped very well. As it was, they had a nuclear power plant built with integral protection against tsunamis. It was a location known to be at risk from tsunamis. Why not somewhere that isn't? You can just design against earthquake then.

The impression most people take away from this major news story is a lack of trust. Another nuclear renaissance fails to get off the ground.



Its only short-sighted, individuals with near-term alternative agendae who seek to exagerate the costs to forestall the transition and associated benefits that are prone to complain about the "alligators" and use the danger from them as a distraction from the fact that the swamp is the root problem.

Sadly, most people are easily distracted.

Drain the swamp and the alligator problem is largely resolved moving into the future.

That's where the revolution comes in.

If you are a true entrepeneur, you market the gator meat and hides to help offset the costs of draining the swamp.

Indeed, Old Money is far from entrepreneurial, but tends to kid itself. The corporate world is a far better way up.

The problem isn't necessarily that people are short-sighted, its that there is no clear-cut guiding vision that consistently lays out the problem and the course that needs to be taken to resolve it.

Providence preserve us from people with a vision :cool:.

Those who have politically polarized the issue (on both sides of the divide) are primarily at fault in this regard.

The Aussie PM made a remarkable speech on climate change last week. Laid it out straight.
 
AGW denial will disappear down those gaps in the next decade or two (there's a generational effect at play there as well), but given the cluster-hump we're racing into it really will be technically difficult to attribute causes in every case. Future historians will find this period an endless source of publishable papers and books :).

I tend to look at forcing factors and background influencing trends more than specific attributional causation for social occurences, but that's me, the approaches and results seem to lead to similar conclusions.

And the same kinds of ideologues will find the message they want in it, of course. As the great Mark Twain put it, "History doesn't repeat, but it rhymes".

I like that, of course he was undoubtably influenced in this epigram by his encounter with Guinan and Data! :)

I do expect sustainability to become a point of political competition, each party claiming the others plans are unsustainable. True conservatism will return.

But not until it becomes far too late for "sustainability" alone to be more than a bit player in the discourse,...but then, I'm more than a bit pessimisstic when it comes to my fellow occupants on this planet.

There are actually places, such as the Forest of Dean and the New Forest in Hampshire, where the commons have been managed successfully for many centuries. There is that potential in people.

I don't doubt human capacity, but that has to be weighed against humanity's greed and uncanny ability to allow others to persuade them to operate against the best interests of themselves and others.

I agree with that. For the seriously moneyed, money itself is the only criterion. Old Money has no problems mixing with Russian gangsters who made out in the Yeltsin years, or Saudis two generations along from goat-molesters. Money is not judgmental.

I would tend to go with power over money, though for the most part, money is most often the most clear outward expression of power in modern (if not all) societies.

In the ongoing cluster-hump nobody's going to risk another potential hump, and risk is the word that most people carry away from the discussion. That and images of evacuations and children getting scanned by men in scary suits before boarding ...

And nuclear can't get funded. Fuggedaboudit.

Unless there's a radically new design actually implemented soon.

largely agreed. Personally, I'd prefer nuclear power to be a public utility rather than a source of private corporate profit, but that won't happen until conditions get much worse than anyone wants to witness.

The impression most people take away from this major news story is a lack of trust. Another nuclear renaissance fails to get off the ground.

Which has long been the goal of the flip-side deniers, the rabid anti-nuke activists and luddite "technology is bad" tree-huggers. They disgust me.

Sadly, most people are easily distracted.

Distraction is a coping mechanism for issues people cannot, or refuse to, rationally consider and address.

Providence preserve us from people with a vision :cool:.

LOL, the saviors are always a bane to tradition.

The Aussie PM made a remarkable speech on climate change last week. Laid it out straight.

I've read a few quoted snippets (some that weren't so kindly portrayed), I suppose I need to review the entire speech, but words stated by politicians don't much impress me. I tend to focus on actions actually taken and battles actually fought rather than musings pandered about without consequence by those trolling for votes and support.
 
I tend to look at forcing factors and background influencing trends more than specific attributional causation for social occurences, but that's me, the approaches and results seem to lead to similar conclusions.

The approaches are complementary, top-down and bottom-up. In the top-down sense I'm something of a convert to the Great Wave Theory, with periodic crises followed by long periods of stability and slow but steady economic growth culminating in a relatively short period of accumulating problems leading to another crisis.

One thing which is not subject to the theory is the advance of technology, which is cumulative and consistently accelerating. This, in my opinion, is the underlying tectonic motion which creates the tension in societies. The old order acts as a drag, and the crisis is necessary to prise their dead hands away from power. Out of the crisis emerges a new order well-adjusted to the current state of the world. Which gradually becomes the new old order and so it goes ...

Technology and science just soldier onwards. Try to ban innovation in one society and there are plenty of others which will welcome it. The future belongs (fleetingly) to them .

But not until it becomes far too late for "sustainability" alone to be more than a bit player in the discourse,...but then, I'm more than a bit pessimisstic when it comes to my fellow occupants on this planet.

I'm thinking in terms of the post-crisis society which will herald the next long phase of stability and (dare I say it?) conservatism which follows. The crisis itself is just going to be ugly.

I don't doubt human capacity, but that has to be weighed against humanity's greed and uncanny ability to allow others to persuade them to operate against the best interests of themselves and others.

Despite everything that humanity throws at itself, we have actually come pretty far in our societies (never all at once, of course), our science, and above all our technology. Behaviourally, much of us is still appropriate to any forest troop of primates.

I would tend to go with power over money, though for the most part, money is most often the most clear outward expression of power in modern (if not all) societies.

Most generally, power is a measure of influence over events. It can be based on religion, capacity for violence, charisma, talent, inheritance. Money is simply the medium of exchange between these various tradeable commodities.

largely agreed. Personally, I'd prefer nuclear power to be a public utility rather than a source of private corporate profit ...

In Iran it's just that. In the UK it was from its inception until the 80's privatisation. In France it still is. In Russia it's hard to tell, but it certainly used to be.

LOL, the saviors are always a bane to tradition.

It's the false prophets who do the most harm :eek:.



I've read a few quoted snippets (some that weren't so kindly portrayed), I suppose I need to review the entire speech, but words stated by politicians don't much impress me. I tend to focus on actions actually taken and battles actually fought rather than musings pandered about without consequence by those trolling for votes and support.

http://www.scribd.com/doc/50853610/Speech-to-the-Don-Dunstan-Foundation-Julia-Gillard

It's possible to be too cynical about politicians. There's some steel in that speech, a clear undertone of exasperation with the deniers, staight talking in the true Aussie style, and no true Aussie would be impressed by the likes of Viscount Munchkin.

Australia is where there can be a stand-up fight, and it ain't looking good for the deniers.
 
Does anyone know if there is a graph of solar heat over time and the mean global temperature (not just surface temperature) and if there is any correlation between the two. Seeing both graphs plotted together would be interesting to see if the people that claim that the sun is causing global warming have any data to support their claims.
 
Does anyone know if there is a graph of solar heat over time and the mean global temperature (not just surface temperature) and if there is any correlation between the two. Seeing both graphs plotted together would be interesting to see if the people that claim that the sun is causing global warming have any data to support their claims.
Skeptic Science has a graph on its basic description of Solar activity & climate: is the sun causing global warming? (also see the intermediate and advanced descriptions)
Basically the Total solar Irradiance has decreased slightly over the last 3 decades while temperatures have increased. Thus the Sun is not causing the current global warming.
 
Study sheds light on how heat is transported to Greenland glaciers

March 28th, 2011 in Space & Earth / Earth Sciences

Enlarge


Using a tiny boat and a helicopter, the research team returned to Greenland in March 2010, to do the first-ever winter survey of Sermilik Fjord at the base of Helheim Glacier. During the trip, they were able to launch probes closer to the glacier than ever before -- about 2.5 miles away from the glacier’s edge. Credit: Fiamma Straneo, Woods Hole Oceanographic Institution
Warmer air is only part of the story when it comes to Greenland's rapidly melting ice sheet. New research by scientists at Woods Hole Oceanographic Institution (WHOI) highlights the role ocean circulation plays in transporting heat to glaciers.
Greenland's ice sheet has lost mass at an accelerated rate over the last decade, dumping more ice and fresh water into the ocean. Between 2001 and 2005, Helheim Glacier, a large glacier on Greenland's southeast coast, retreated 5 miles (8 kilometers) and its flow speed nearly doubled.
A research team led by WHOI physical oceanographer Fiamma Straneo discovered warm, subtropical waters deep inside Sermilik Fjord at the base of Helheim Glacier in 2009. "We knew that these warm waters were reaching the fjords, but we did not know if they were reaching the glaciers or how the melting was occurring," says Straneo, lead author of the new study on fjord dynamics published online in the March 20 edition of the journal Nature Geoscience.
The team returned to Greenland in March 2010, to do the first-ever winter survey of the fjord. Using a tiny boat and a helicopter, Straneo and her colleague, Kjetil Våge of University of Bergen, Norway, were able to launch probes closer to the glacier than ever before—about 2.5 miles away from the glacier's edge. Coupled with data from August 2009, details began to emerge of a complicated interaction between glacier ice, freshwater runoff and warm, salty ocean waters.
"People always thought the circulation here would be simple: warm waters coming into the fjords at depth, melting the glaciers. Then the mixture of warm water and meltwater rises because it is lighter, and comes out at the top. Nice and neat," says Straneo. "But it's much more complex than that."

more
http://www.physorg.com/print220535498.html
 
Into ignorance

Journal name:NatureVolume: 471,Pages:265–266Date published:(17 March 2011)DOI:doi:10.1038/471265b Published online16 March 2011 Vote to overturn an aspect of climate science marks a worrying trend in US Congress.

As Nature went to press, a committee of the US Congress was poised to pass legislation that would overturn a scientific finding on the dangers of global warming. The Republican-sponsored bill is intended to prevent the US Environmental Protection Agency (EPA) from regulating greenhouse-gas emissions, which the agency declared a threat to public welfare in 2009. That assessment serves as the EPA's legal basis for regulation, so repealing the 'endangerment finding' would eliminate its authority over greenhouse gases.
That this finding is scientifically sound had no bearing on the decision to push the legislation, and Republicans on the House of Representatives' energy and commerce committee have made clear their disdain for climate science. At a subcommittee hearing on 14 March, anger and distrust were directed at scientists and respected scientific societies. Misinformation was presented as fact, truth was twisted and nobody showed any inclination to listen to scientists, let alone learn from them. It has been an embarrassing display, not just for the Republican Party but also for Congress and the US citizens it represents.

more
http://www.nature.com/nature/journal/v471/n7338/full/471265b.html

:mad:
 
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The scientific world is starting to rouse itself, apparently.

http://rabett.blogspot.com/2011/03/coming-soon-to-courthouse-near-you.html

Denialists will be thinking that maybe they can't lie and slander with impunity. What with that and everything else, their lot is not a happy one.

Another witch-hunt :
http://climateprogress.org/2011/03/...to-intimidate-academics-like-cronon-and-mann/

suggests that the US Republican party and the billionaire clique which owns it are not simply anti-science, they are anti-academic. For what that's worth.
 
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