Posts Tagged ‘Global Warming’


Using computer models to make climate predictions? All we can say is: good luck with that.
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Providing annually-updated five-year climate predictions at global and continental scales is the focus of a new international science collaboration co-ordinated by the WMO and led by the UK’s Met Office.

For the first time, climate scientists have joined forces and resources to produce an annually-updated climate snapshot looking at the next five years.

Harnessing the best computer models from ten climate centres around the world, every year will produce a new climate prediction looking out to five years ahead.

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H/T The Global Warming Policy Forum (GWPF).

The EU is no stranger to audit problems and accounting stories, let’s say, and this one maintains the tradition. Pretending to ‘tackle climate change’ can be expensive of course.
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Brussels has been dragged into a bogus accounting scandal after it was claimed climate change spending had been overblown by at least €24 billion, reports the Daily Express.

The European Court of Auditors has questioned the European Commission’s claims about its climate-change programmes.

It was found the European Union’s powerful executive had substantially overestimated the amount it spent on preventing global warming through the use of clever-accounting.

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Instead of promoting meaningless climate thresholds, targets etc., alarmists might want to take a closer look at the neglected topic of natural factors.
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A new study demonstrates how a prolonged warming pause or even global cooling may happen in coming years despite increasing levels of atmospheric greenhouse gases — caused by natural climatic variability, says The GWPF.

Natural climatic variability has always been a topic that contains a lot of unknowns, but it has been rarely explicitly stated just how little we know about it.

Such variability has been habitually underplayed as it was “obvious” that the major driver of global temperature was the accumulation of greenhouse gasses in the atmosphere, with natural variability a weaker effect.

But the global temperature data of this century demonstrate that natural variability has dominated in the form of El Ninos.

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Credit: nationalreview.com


Climate models are too unreliable to be any serious guide to the future, as the author points out. But getting decision makers to understand that is near-impossible in many countries, hence the acceptance of alarmist nonsense.
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Shock, horror: According to the WMO and the Met Office, there is a 3% chance of the forthcoming five-year global temperature average exceeding 1.5°C, says Dr. David Whitehouse @ The GWPF.

There are several definitions of hustle. One of them is to use forceful actions to promote an action or point of view.

It’s everywhere of course and in all aspects of climate change. It’s all too apparent when scientists want grants, jobs and headlines.

It’s no new discovery that combining hustle with statistics can get you anywhere.

The recently released news from the World Meteorological Organisation (WMO), prepared by the UK Met Office, that there is a “growing chance” of the world exceeding the “Paris threshold” of 1.5°C in global temperature above pre-industrial levels is a prime example of this.

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Unfortunately ‘the science’ of the climate is at most a sideshow in political circles.

PA Pundits - International

By Dr. Jay Lehr and Tom Harris~

It should be no surprise to our readers that climate change was never a scientific issue, though politicians and well—financed scientists promoted it as such. It has always been a political movement aimed at increasing the size of government and installing a Socialist system. Such a system would eliminate individual freedom while enhancing the control of the elites to achieve their ultimate goal: power over the people.

It was a very transparent plan: convince the public that life—giving carbon dioxide is a danger to humanity and that, were the Earth to be a few degrees warmer, disaster would necessarily follow. You buy this dystopian fantasy and you give your government control of the very breathe you exhale, the number of children you are allowed and every kilowatt of energy your life may consume. As fantastically absurd as this fiction is, those who…

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Fine summer weather [image credit: BBC]

In climate fantasy world, everything is near-constant except human-caused trace gas emissions. Pathetic that this is considered to be serious science, rather than juvenile nonsense.
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Humans may need to “wait for decades” to see the results of large emission cuts on global surface temperatures, scientists have said.

Researchers in Norway used computer simulations to analyse various scenarios that looked at the effects of rapid reductions in several types of greenhouse gas emissions, such as carbon dioxide (CO2), methane and black carbon, says TalkTalk.

They found that although large-scale emission cuts are needed to achieve the global climate goals, it may take decades before the effects of the reductions on temperatures can be measured.

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Are climate models getting any better, or even getting worse? Their ‘projections’ almost invariably expect more warming than is observed, often a lot more. Now the uncertainty is increasing.
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As scientists work to determine why some of the latest climate models suggest the future could be warmer than previously thought, a new study indicates the reason is likely related to challenges simulating the formation and evolution of clouds, says ScienceDaily.

The new research, published in Science Advances, gives an overview of 39 updated models that are part of a major international climate endeavor, the sixth phase of the Coupled Model Intercomparison Project (CMIP6). The models will also be analyzed for the upcoming sixth assessment report of the Intergovernmental Panel on Climate Change (IPCC).

Compared with older models, a subset of these updated models has shown a higher sensitivity to carbon dioxide — that is, more warming for a given concentration of the greenhouse gas — though a few showed lower sensitivity as well.

The end result is a greater range of model responses than any preceding generation of models, dating back to the early 1990s.

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Credit: Wikipedia


H/T The Global Warming Policy Forum (GWPF).

Or relying on any climate modelling, some might say given its current tendency toward overheated predictive mediocrity.
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The purpose of global climate policy is to get us from the dangerous upper end of the forecast range down to the safe bottom end. In fact, we are already there.

Whenever you read a media story about how we’re heading toward catastrophe if we continue operating “business as usual” — i.e., if we don’t slash carbon emissions — the reports are almost always referring to a model simulation using RCP8.5.

And you can bet that nowhere in the story will they explain that RCP8.5 is an implausible worst-case scenario that was never meant to represent a likely base case outcome, or that scientists have begun castigating its usage as a prediction of a doomed business-as-usual future.

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Alps weather: Heavy snow cuts off ski resorts
[image credit: BBC News]


How does this make any sense?
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A vast tarpaulin unravels, gathering speed as it bounces down the glacier over glinting snow.

Summer is here and the alpine ice is being protected from global warming, reports Phys.org.

In northern Italy, the Presena glacier has lost more than one third of its volume since 1993.

Once the ski season is over and cable cars are berthed, conservationists race to try and stop it melting by using white tarps that block the sun’s rays.

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So when global temperatures failed to behave as models expected due to inevitable but hard to predict natural variation, they were forced to re-think – or just think? The GWPF concludes, at the risk of stating the obvious: ‘The lesson of the hiatus is that we do not understand internal climatic variability as much as many think we do, and our predictive power is less than many believe.’
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Researchers from the Universities of Princeton, California, Tokyo, Kyushu and the Scripps Institution of Oceanography, say the recent hiatus in global temperature increase has led to a surge in climate science.

The global effort to understand the global warming hiatus they say has led to increased understanding of some of the key metrics of global climate change such as global temperature and ice-cover.

Searching for an answer to the hiatus, they say, meant that the scientific community grappled with difficulties with these climate metrics, in particular the fact that they do not unequivocally portray the same story about global warming.

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In this blog post by the Met Office, everyday weather forecasting barely gets a look-in. Now it’s about ‘inevitable climate changes’ and so on. The whole thing reeks of propaganda, and we can expect another 30 years of it.
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In Part I of this two-part blog series (published yesterday) Professor Albert Klein Tank described the history and highlights of the Met Office Hadley Centre over the past 30 years, says the UK Met Office.

Here the Director of the Met Office Hadley Centre focuses on the future.

The next 30 years

In the next 30 years, the role of climate science at the Met Office Hadley Centre will evolve to one of quantifying the predicted changes in climate, and providing more detailed information on what these changes mean to individuals.

How can we help societies plan for the future and manage the risks from extreme climate events and avoid impacts which are too drastic to cope with?

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Svante Arrhenius


The eternal question – was the Arrhenius climate theory erroneous? Still looking for convincing evidence of it, the author concludes.
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But he did change his mind …

This 1912 newspaper article (here) shows that a century ago the worthy citizens of Warkworth were followers of Svante Arrhenius’s new theory that global warming would be caused by mankind’s emissions of greenhouse gases, says Richard Treadgold @ Climate Conversation (NZ).

Forty years earlier Tyndall had identified CO2 as a greenhouse gas.

Arrhenius followed up with newly available data in 1896 and calculated that doubling CO2 would increase temperatures by 5°C or 6°C. In 1906 he reduced it to 4.0°C.

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Some more inconvenient data and discussion from an experienced and well-known meteorologist. Planting more trees may as he proposes be useful, but so might chopping down fewer of them for biomass burning and wind turbine land clearances.

I believe that as the COVID-19 situation diminishes, a major pivot to man made climate change as the major driver of impending doom will come front and center, says Joe Bastardi.

Perhaps I will be wrong, but the naming of AOC by Joe Biden as an advisor on how to fight climate change, to me, was the first signal this is going to happen.

This is an insensitive tactic, since the misery of Covid-19 is real, immediate, and loaded with great uncertainty. Future generations can opine on the result of the measures taken to combat it. Yet, as I wrote back in March:

Covid-19 and climate false equivalencies

Climate change accused of being deadlier than Covid 19 — Fact check

and the foundation for this was being set for the turn we are seeing now.

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Image credit: livescience.com


They might do well to remember that historic climate data always show carbon dioxide rises *following* temperature rises, often with quite a long time lag, never leading them, which raises awkward questions for ‘heat-trapping’ theories and climate models based on them.
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A new study from University of Michigan climate researchers concludes that some of the latest-generation climate models may be overly sensitive to carbon dioxide increases and therefore project future warming that is unrealistically high, says Phys.org.

In a letter scheduled for publication April 30 in the journal Nature Climate Change, the researchers say that projections from one of the leading models, known as CESM2, are not supported by geological evidence from a previous warming period roughly 50 million years ago.

The researchers used the CESM2 model to simulate temperatures during the Early Eocene, a time when rainforests thrived in the tropics of the New World, according to fossil evidence.

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Kangerlussuaq Fjord, Greenland [image credit: notsogreen.com]


Less than a year ago NASA was reporting from Greenland: Jakobshavn Glacier Grows for Third Straight Year, and ‘The glacier grew 22 to 33 yards (20 to 30 meters) each year between 2016 and 2019.’ So this new report may be, to some degree at least, already obsolete since it says: ‘The largest thinning rates were between 4 and 6 m a−1 in Jakobshavn and Kangerlugssuaq glaciers’.
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Sea levels have risen by 14mm since 2003 due to ice melting in Antarctica and Greenland, scientists have said.

Nasa launched a satellite to measure global heights in 2018 and spotted the rise after bouncing laser pulses against sheets of ice, says the London Evening Standard.

The study found that Greenland lost an average of 200 billion tonnes of ice per year, and Antarctica lost an average of 118 billion tonnes.

One billion tonnes of ice is enough to fill 400,000 Olympic-sized swimming pools.

A team led by researchers at the University of Washington compared the data with measurements taken by the satellite between 2003 and 2009.

The findings, published in the journal Science, found the loss of ice from Antarctica and Greenland outweighs any gains from accumulated snow.

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Earth and climate – an ongoing controversy


H/T The GWPF

The article would have us believe that so-called ‘greenhouse’ gases are warming while aerosols are cooling, the balance of the two is unknown and that needs addressing to improve climate predictions. There may be other ways to get better predictions, but that’s another matter.

Pollution declines from pandemic shutdowns may aid in answering long-standing questions about how aerosols influence climate, says Scientific American.

As the world scrambles to contain the spread of COVID-19, many economic activities have ground to a halt, leading to marked reductions in air pollution.

And with the skies clearing, researchers are getting an unprecedented chance to help answer one of climate science’s thorniest open questions: the impact of atmospheric aerosols.

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Great Barrier Reef, Australia [image credit: BBC]


Research continues, but what other ‘futuristic’ climate-related plans might they want to conjure up if this trial is deemed a success?
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An ambitious “cloud brightening” experiment has been carried out over Australia’s Great Barrier Reef in an early-stage trial that scientists hope could become a futuristic way to protect coral from global warming, says Phys.org.

In an attempt to cool waters around the reef by making clouds reflect more sunlight, researchers said they used a boat-mounted fan similar to a snow cannon to shoot salt crystals into the air.

Results from the trial were “really, really encouraging”, the project’s lead scientist Daniel Harrison from Southern Cross University said on Friday.

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Geothermal Animated

Posted: April 5, 2020 by oldbrew in ENSO, geothermal, volcanos
Tags: ,

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A recent online comment by meteorologist Joe Bastardi saying ‘underwater volcanic activity is huge’ and linking to this, led to finding this animation.

Zoe's Insights

Geothermal Emission @ the Surface

This was derived from NCEP Reanalysis data, in the tradition of Measuring Geothermal …

Enjoy 🙂 -Zoe

Addendum

geochg.sh:

# source geochg.sh # Zoe Phin 2020/03/13 F=(0 ulwrf dswrf uswrf lhtfl shtfl) O=(0 3201.5 3086.5 3131.5 856.5 2176.5) require() { sudo apt install nco gnuplot imagemagick; } # Linux Only download() { b="ftp://ftp.cdc.noaa.gov/Datasets/ncep.reanalysis2.derived/gaussian_grid" for i in ${F[*]}; do wget -O $i.nc -c $b/$i.sfc.mon.mean.nc; done } extract() { for t in {000..491}; do echo "$t" >&2 for i in {1..5}; do ncks --trd -HC ${F[$i]}.nc -v ${F[$i]} -d time,$t | sed $d | awk -F[= ] -vO=${O[$i]} '{ printf "%7s %7s %7.3fn", $4, $6, $8/10+O }' > .f$i done paste .f1 .f2 .f3 .f4 .f5 | awk '{ printf "%s %s %7.3fn", $1, $2, $3-($6-$9)+$12+$15 }' > .geo$t done } annualize() { for y in {0..40}; do args=`for m in {0..11}; do printf ".geo%03d "…

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The researchers estimate that carbon dioxide levels in the atmosphere were well over 1000 parts per million in those days, compared to 400+ ppm today. Antarctica and Australia were much closer together.

Antarctica was covered in rainforest in the time of the dinosaurs, according to a new study, Metro News reports.

Researchers have found evidence the South Pole had a climate and forests similar to New Zealand today in a startling discovery. The team discovered soil from an ancient rainforest from the Cretaceous period within 900 km of the South Pole.

The analysis carried out by an international team of researchers of roots, pollen and spores shows the world was a lot warmer than previously thought.

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Schemes to ramp up climate alarm propaganda with ‘warming’ [sic] labels are already in the pipeline e.g. in Sweden. They try to claim a health risk from the warmer weather they feel sure lies ahead, while pointing the finger at humans for this supposed problem and equating it to tobacco smoking. If the pollution doesn’t get you, the climate emergency will…type of thing. Crude stuff loosely based on dodgy climate models.
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Mike Gill and colleagues explain how the implementation of of fossil fuel labelling could have a significant impact on the awareness of climate change, says The British Medical Journal blog. This article is part of The BMJ’s Health in the Anthropocene collection.

The use of fossil fuels should be rapidly reduced to keep the global mean temperature increase to well below 2°C above pre-industrial levels—a core goal of the Paris Agreement on climate change.

Emphasising the risks to health of fossil fuel use, now and in the future, could motivate action.

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