"In a time of universal deceit telling the truth is a revolutionary act." -George Orwell

Posts Tagged ‘NASA’

“At some point those aquifers might run dry.”: NASA Study Indicates World Is Running Out Of Groundwater. Fast.

In Uncategorized on June 23, 2015 at 7:15 pm
Photos of India's Deadly, Street-Melting Heat Wave

A young boy, son of a laborer, walks to a water pump to fill his bottle with drinking water in Ghasera, on the outskirts of New Delhi, India, Wednesday, May 27, 2015. Photo: Saurabh Das/AP

Oldspeak: “As temperatures rise and conditions worsen, this existential crisis that is being largely ignored on corporate infotainment streams, will continue to become more severe. Climate refugees are streaming into Europe from a thoroughly parched Africa, though they’re being referred to as “migrants”. Expect the flow of “migrants” to increase as time passes and the heat goes up. The U.N. Deputy Secretary General, Jan Eliasson, recently said: “In 10 years, 2 billion people will be living in regions with absolute water scarcity. 2/3rds of the world will live under water stress conditions.” That syncs up with a 2013 survey of U.S. State water managers, where 40 of 50 managers said they expect to see current regional water shortages continue into at least the next decade. This is an intractable global problem. It affects all life on Earth. Yet water intensive agricultural, mining, energy and technological production industries plunder on, wholly committed to unsustainable systems of extraction, with little to no regard for regeneration, as though water resources are infinite. We waste and posion soooo much water in service to vulture capitalist profiteers. This ecocidal madness will only stop when there is no clean water left. Then what?.” -OSJ

Written By Gabriel Fisher @ Quartz:

The world is losing groundwater, fast.

That is the conclusion of a new study published by researchers at NASA, which drew on satellite data to quantify the stresses on aquifers. The researchers found that over the decade-long study of the 37 major aquifers worldwide, 21 experienced a depletion of their water supply. Especially alarming was the study’s finding that the Indus Basin aquifer, which supplies much of India’s water supply, has depleted rapidly.

“The potential consequences are pretty scary,” NASA scientist Matthew Roddell, a lead author of the study, tells Quartz. “At some point those aquifers might run dry.”

To measure the water level changes, the researchers studied the gravitational orbit of NASA’s Gravity Recovery and Climate Experiment (GRACE) satellite caused by the shifting of earth’s mass. Because water is one of the larger and constantly shifting masses on earth, this allowed them to measure changes to groundwater supplies.

The researchers found that California’s Central Valley aquifer was the most depleted of all aquifers in the US, because Californians have relied more heavily on drawing groundwater as rain water has dissipated during California’s long drought.

While the study detected the change in groundwater levels, it could not quantify the amount of water remaining in the aquifers. Rodell said this would require drilling into the aquifers themselves, which he supports doing. “We should be monitoring and quantifying how much water is in these aquifers like we do with oil,” he says.

Preserving water in aquifers is especially problematic in agricultural areas like India, which relies heavily on water-intensive rice farming. According to Rodell, over 68% of our water supply is used for agriculture. But unlike, say, water used to cool a power plant, water used in agriculture is not recyclable, Rodell explains. “The people who are using the water don’t necessarily recognize that it will ever run out. It is used as a resource that will last forever,” Rodell says. If we continue with our current consumption practices, hesays,”these people and those farmers that rely on that water won’t have it anymore.”

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As The World Burns: 2015 On Pace To Be Hottest Year Ever Recorded; The Latest Global Temperature Data Are Breaking Records

In Uncategorized on June 16, 2015 at 9:02 pm
Road markings appear distorted as the asphalt starts to melt due to the high temperature in New Delhi, India, 27 May 2015.

Road markings appear distorted as the asphalt starts to melt due to the high temperature in New Delhi, India, 27 May 2015. Photograph: Harish Tyagi/EPA

Oldspeak:”I am Jack’s complete lack of surprise.” –The Narrator, Fight Club

By John Abraham @ The Guardian:

Just today, NASA released its global temperature data for the month of May 2015. It was a scorching 0.71°C (1.3°F) above the long-term average. It is also the hottest first five months of any year ever recorded. As we look at climate patterns over the next year or so, it is likely that this year will set a new all-time record. In fact, as of now, 2015 is a whopping 0.1°C (0.17°F) hotter than last year, which itself was the hottest year on record.

Below, NASA’s annual temperatures are shown. Each year’s results are shown as black dots. Some years are warmer, some are cooler and we never want to put too much emphasis on any single year’s temperature. I have added a star to show where 2015 is so far this year, simply off the chart. The last 12 months are at record levels as well. So far June has been very hot as well, likely to end up warmer than May.

Global surface temperature estimates from NASA GISS.
Global surface temperature estimates from NASA GISS.

So why talk about month temperatures or even annual temperatures? Isn’t climate about long-term trends?

First, there has been a lot of discussion of the so-called ‘pause.’ As I have pointed out many times here and in my own research, there has been no pause at all. We know this first by looking at the rate of energy gain within the oceans. But other recent publications, like ones I’ve written about have taken account of instrument and measurement quality and they too find no pause.

Second, there has been a lot of discussion of why models were running hotter than surface air temperatures. There was a real divergence for a while with most models suggesting more warming. Well with 2014 and 2015, we see that the models and actual surface temperatures are in very close agreement.

When we combine surface temperatures with ocean heat content, as seen below, a clear picture emerges. Warming is continuing at a rapid rate.

Global ocean heat content estimates from NOAA.
Global ocean heat content estimates from NOAA.

There is an emerging view that the so-called surface warming slowdown was caused from poor instrument coverage around the globe, volcanic eruptions, and a multi-year oscillation in the oceans. The issue of instrument coverage is being fixed as we speak.

But, any short term fluctuations can only temporarily influence the long term trend. In the ocean heat content image above, you might notice a slight change in the trend around 2005. The trend change has since disappeared; it was associated with the ocean oscillations I mentioned earlier.

The recent warming skyrocket has put the contrarians in a bad position. In 2013, when contrarian Christopher Monckton repeated a claim that temperatures might decrease by 0.5°C in two years, I challenged him to a $1000 bet. He never took that bet, but we can see he would have lost handily if he had.

More recently, contrarian Judith Curry was reported as warning about decades of cooling (or perhaps lack of warming) stretching out to the 2030s. We see that this prediction is not looking very likely. Other contrarians have made similar predictions and it makes one wonder how much evidence will have to pile up before they climb down.

Just a few months ago, Roy Spencer (another climate contrarian) claimed, “We are probably past the point of reaching a new peak temperature anomaly from the current El Niño, suggesting it was rather weak.” While it remains to be seen whether or not he is correct, his own data have shown an uptick in temperatures, and the most recent months have continued the very warm trend. Barring something really unusual, the trend will continue until the end of this year.

I asked climate expert Dr. Joe Romm, Founding Editor of Climate Progress for his thoughts. He reminds us,

Historically, the global temperature trend-line is more like a staircase than a ramp. It now appears we are headed for a step-jump in global temperatures that scientists have been expecting.

Let’s hope his prediction is wrong, but let’s plan for it to be correct.

Global Temperatures And Atmospheric CO2: Hottest March Ever; CO2 Hits All-Time High Of 404 ppb. Last 12 Months On Earth Hottest In Recorded History

In Uncategorized on April 24, 2015 at 6:29 pm

Oldspeak:March 2015 was Earth’s warmest March since global record keeping began in 1880, said NOAA’s National Climatic Data Center (NCDC) on Friday. NASA rated March 2015 as the 3rd warmest March on record (small differences in analysis techniques can lead to slightly different rankings from agency to agency, and the two estimates were quite close to each other.) March 2015’s warmth makes the year to date period (January – March) the warmest such period on record, and the past twelve months the warmest twelve-month period in recorded history. By NOAA’s reckoning, seven of the past eleven months (May, June, August, September, October, and December 2014, along with March 2015) have tied or set new record high monthly temperatures. According to NASA, March 2015 had the 5th largest departure from average for warmth of any month in recorded history. Out of the ten months with the largest departures from average in the NASA database, five have occurred in the past year.” -Dr. Jeff Masters

“As temperatures and CO2 rise, our chances of survival dwindles. Tick, tick, tick, tick, tick, tick, tick tick….” -OSJ

By Jon Plotkin @ Decoded Science:

The map of March land and sea temperatures shows warmth over much of the globe, with a cold pocket over eastern Canada and New England. Analysis courtesy of NOAA.

NOAA published its report on global land and sea temperatures for March on Friday, April 17. Inasmuch as five of the previous seven months set new records, it was not surprising that March’s land and sea temperatures were the highest ever recorded for that month.

The three months of January through March, and the most recent calendar year are also the warmest ever recorded for those periods of time.

Separately, but not coincidentally, the instruments on Mount Mauna Loa in Hawaii found atmospheric CO2 concentrations to be above 404 parts per billion for the first time on April 14. That was the first of four consecutive days above 400.

An Overview Of March Worldwide Land And Sea Temperatures

Most of the Earth was warmer than normal in March – let’s look at some specifics:

      • Very much above normal temperatures stretched across all of northern Europe and Asia.
      • The United Sates and Canada were split down the middle, with very cold temperatures in the east and very warm temperatures in the west.
      • All of South America, except for the northern tip, was warm.
      • Most of Africa was warm, but the northwest was cold.
      • Northern and eastern Australia were very warm.
      • All of India was colder than normal.
      • The largest ocean temperature anomaly continues to be off the west coast of the US and Canada, with the maximum in the Gulf of Alaska.
      • Overall, warmth was spread evenly between land and sea: The land surface temperatures were second highest for March, and ocean temperatures were third highest.
      • Warmth was also spread uniformly between the northern and southern hemispheres: The northern hemisphere had its second warmest March and the southern hemisphere tied its third warmest.

The map of precipitation anomaly for March shows that much of the US and western Europe were dry, while Turkey and the Balkans were very wet. Analysis courtesy of NOAA.

March Precipitation

Though precipitation varies greatly from month to month, some trends continued in March:

  • The drought goes on in California and the American west.
  • Most of Europe continued to be dry.
  • Heavy rains inundated the Balkans and Turkey.
  • Australia and the southern part of South America were dry.
  • India was wetter than normal.

Arctic Sea Ice Extent

Arctic sea ice extent has been measured by satellite since 1979.

The March measurement was 7.9% below the 1981-2010 average — the lowest Arctic sea ice extent ever measured for the month of March.

Atmospheric CO2 Reaches New High

The plot of daily CO2 readings on Mount Mauna Loa shows that the atmospheric concentration has been over 404 ppb for the last four days, something that never happened before. Graph courtesy of NOAA.

Since pre-industrial times, the atmospheric content of carbon dioxide (CO2) has risen from 280 to over 400 parts per billion (ppb). In the past week, the value of this greenhouse gas concentration, as measured on Mount Mauna Loa in Hawaii surpassed, 404 ppb for the first time.

The highest reading of 404.83 came on April 14, and the concentration was over 404 for four consecutive days before falling to 403.44 yesteday.

The weekly average for the week starting April 12 was 404.02, surpassing the old record of 403.42 set the previous week.

Carbon dioxide concentration normally peaks in May, so new daily and weekly records are likely to be set in the next few weeks.

Where Is The CO2 Coming From?

Though some of the increase in atmospheric carbon dioxide may be coming from other sources, the majority comes from power plants and automobile tailpipes.

The process of energy production from hydrocarbons is not a complicated one: A single carbon atom combines with a molecule of oxygen (consisting of two atoms) to make a carbon dioxide molecule (CO2). This chemical reaction releases energy, which is used to power our modern world. The CO2 produced by the combustion process is normally released into the air by power plants and cars.

Carbon dioxide has a natural atmospheric cycle in which the gas is expelled from volcanic sources and washed out of the atmosphere by precipitation. However, this process is a long one; the rate of increase in atmospheric carbon dioxide in the last 150 years is unprecedented except for times of very high volcanic activity.

Stemming The Tide Of CO2 Increase

Though the production of greenhouse gases in general, and carbon dioxide in particular, has leveled off in the United States in recent years, the production of energy from fossil fuel burning continues to increase in developing countries. India and China are building coal-fired power plants — the worst of the fossil fuel power sources in terms of CO2 emissions — at a rate of about one plant per week.

The basic facts of the intransigent problem of increasing energy use hasn’t changed: Developed countries want to retain their lavish lifestyle; and developing countries want to acquire that lifestyle. A new UN-sponsored climate conference will convene in Paris in December. Representatives of the two sides will try again to reach a compromise that will actually reduce worldwide carbon dioxide emissions.

Decoded Science wishes them luck.

“We’re not just up a creek without a paddle in California, we’re losing the creek too. We have no paddle to navigate this crisis.” NASA Data Says California Has 1 Year of Water Left.

In Uncategorized on March 17, 2015 at 6:20 pm

A visitor walks near the receding waters at Folsom Lake in California. Nasa data shows that water storage has been in steady decline since at least 2002, before the drought began. Photograph: Robert Galbraith/Reuters

Oldspeak: “Denial is only part of the problem. More significant is the behaviour of powerful people who claim to accept the evidence.” George Monbiot, October 2013

“I was watching The HBO show “Politically Incorrect” earlier. A show hosted by Bill Maher, one of the arbitrators of mainstream left wing thought in the U.S. and recorded in California. He started out his show by including in his opening monologue, a passing and joking reference to this horrifying fact. And never mentioned it again. He spent the rest of the show talking about Iran, how terrible Republicans are and closed the show skewering them for cutting welfare for poor people and repealing the estate tax. Telling, in my view, on the general feeling among Americans, even those who consider themselves “eco/environmental/animal friendly”. Understanding that the situation is existentially dire, yet being laughed off/ignored/not fully accepted. Firmly in the land of denial and cognitive dissonance. Even considering the fact, that A senior NASA scientist has gone to the extremely unusual lengths of writing an OP-ED in a major American news publication to sound the alarm. While at the same time being in deep denial about the prospects. This can only continue for so long. Like about a year. There is no mitigating this, there is no contingency plan that will prevent this from happening. Rationing will not help. We need to start accepting this and planning accordingly.” -OSJ

By Dr. @ The Los Angeles Times:

Given the historic low temperatures and snowfalls that pummeled the eastern U.S. this winter, it might be easy to overlook how devastating California’s winter was as well.

As our “wet” season draws to a close, it is clear that the paltry rain and snowfall have done almost nothing to alleviate epic drought conditions. January was the driest in California since record-keeping began in 1895. Groundwater and snowpack levels are at all-time lows. We’re not just up a creek without a paddle in California, we’re losing the creek too.

Extremely low levels of water flowing through meandering streams of the east fork of the San Gabriel River in the Angeles National Forest show the effects of the prolonged drought. The water flows into the San Gabriel Dam and the Morris Dam, further downstream.

Data from NASA satellites show that the total amount of water stored in the Sacramento and San Joaquin river basins — that is, all of the snow, river and reservoir water, water in soils and groundwater combined — was 34 million acre-feet below normal in 2014. That loss is nearly 1.5 times the capacity of Lake Mead, America’s largest reservoir.

Statewide, we’ve been dropping more than 12 million acre-feet of total water yearly since 2011. Roughly two-thirds of these losses are attributable to groundwater pumping for agricultural irrigation in the Central Valley. Farmers have little choice but to pump more groundwater during droughts, especially when their surface water allocations have been slashed 80% to 100%. But these pumping rates are excessive and unsustainable. Wells are running dry. In some areas of the Central Valley, the land is sinking by one foot or more per year.

As difficult as it may be to face, the simple fact is that California is running out of water — and the problem started before our current drought. NASA data reveal that total water storage in California has been in steady decline since at least 2002, when satellite-based monitoring began, although groundwater depletion has been going on since the early 20th century.

Right now the state has only about one year of water supply left in its reservoirs, and our strategic backup supply, groundwater, is rapidly disappearing. California has no contingency plan for a persistent drought like this one (let alone a 20-plus-year mega-drought), except, apparently, staying in emergency mode and praying for rain.

In short, we have no paddle to navigate this crisis.

Several steps need be taken right now. First, immediate mandatory water rationing should be authorized across all of the state’s water sectors, from domestic and municipal through agricultural and industrial. The Metropolitan Water District of Southern California is already considering water rationing by the summer unless conditions improve. There is no need for the rest of the state to hesitate. The public is ready. A recent Field Poll showed that 94% of Californians surveyed believe that the drought is serious, and that one-third support mandatory rationing.

Second, the implementation of the Sustainable Groundwater Management Act of 2014 should be accelerated. The law requires the formation of numerous, regional groundwater sustainability agencies by 2017. Then each agency must adopt a plan by 2022 and “achieve sustainability” 20 years after that. At that pace, it will be nearly 30 years before we even know what is working. By then, there may be no groundwater left to sustain.
Total water storage in California has been in steady decline since at least 2002 … while groundwater depletion has been ongoing since the early 20th century. –

Third, the state needs a task force of thought leaders that starts, right now, brainstorming to lay the groundwork for long-term water management strategies. Although several state task forces have been formed in response to the drought, none is focused on solving the long-term needs of a drought-prone, perennially water-stressed California.

Our state’s water management is complex, but the technology and expertise exist to handle this harrowing future. It will require major changes in policy and infrastructure that could take decades to identify and act upon. Today, not tomorrow, is the time to begin.

Finally, the public must take ownership of this issue. This crisis belongs to all of us — not just to a handful of decision-makers. Water is our most important, commonly owned resource, but the public remains detached from discussions and decisions.

This process works just fine when water is in abundance. In times of crisis, however, we must demand that planning for California’s water security be an honest, transparent and forward-looking process. Most important, we must make sure that there is in fact a plan.

Call me old-fashioned, but I’d like to live in a state that has a paddle so that it might also still have a creek.

________________________________________________________________________________________________

Jay Famiglietti is the senior water scientist at the NASA Jet Propulsion Laboratory/Caltech and a professor of Earth system science at UC Irvine.

NASA Study: Continued Resource Overconsumption & Extreme Inequality Could Lead To Collapse Of Industrial Civilization Within Decades

In Uncategorized on March 16, 2014 at 5:42 pm

https://i2.wp.com/fc04.deviantart.net/fs71/i/2011/268/d/7/global_warming_by_dc1983-d4ax1f2.jpgOldspeak: “Noting that warnings of ‘collapse’ are often seen to be fringe or controversial, the study attempts to make sense of compelling historical data showing that “the process of rise-and-collapse is actually a recurrent cycle found throughout history.” Cases of severe civilisational disruption due to “precipitous collapse – often lasting centuries – have been quite common…It finds that according to the historical record even advanced, complex civilisations are susceptible to collapse, raising questions about the sustainability of modern civilisation: “The fall of the Roman Empire, and the equally (if not more) advanced Han, Mauryan, and Gupta Empires, as well as so many advanced Mesopotamian Empires, are all testimony to the fact that advanced, sophisticated, complex, and creative civilizations can be both fragile and impermanent.”….the most salient interrelated factors which explain civilisational decline, and which may help determine the risk of collapse today: namely, Population, Climate, Water, Agriculture, and Energy.These factors can lead to collapse when they converge to generate two crucial social features: “the stretching of resources due to the strain placed on the ecological carrying capacity”; and “the economic stratification of society into Elites [rich] and Masses (or “Commoners”) [poor]” These social phenomena have played “a central role in the character or in the process of the collapse,” in all such cases over “the last five thousand years.”Dr Nafeez Ahmed , Executive Director, Institute for Policy Research & Development.

“At this point it’s just physics.  There is nothing controversial about this. There is a finite amount of the  “natural capital” needed to sustain the current iteration of industrial civilization on the earth. industrial civilization is currently extracting that capital at a rate that would require 1.5 to 2 earths to sustain. At some point earth’s biocapacity will be reached and  Population will no longer be supported. Runaway climate change will devastate already fragile water, agricultural and energy systems and displace billions of people. Water and food production will  grind to a halt as temperatures rise & we relentlessly poison and contaminate the water and land we need to grow our food. Every other empire prior to this one has collapsed when they experienced conditions that exist today. We can’t act like we don’t know what coming for much longer. Our Mother won’t allow it. We’re done whether we want to acknowledge it or not.” -OSJ

By Dr Nafeez Ahmed @ The Guardian:

A new study sponsored by Nasa’s Goddard Space Flight Center has highlighted the prospect that global industrial civilisation could collapse in coming decades due to unsustainable resource exploitation and increasingly unequal wealth distribution.

Noting that warnings of ‘collapse’ are often seen to be fringe or controversial, the study attempts to make sense of compelling historical data showing that “the process of rise-and-collapse is actually a recurrent cycle found throughout history.” Cases of severe civilisational disruption due to “precipitous collapse – often lasting centuries – have been quite common.”

The research project is based on a new cross-disciplinary ‘Human And Nature DYnamical’ (HANDY) model, led by applied mathematician Safa Motesharri of the US National Science Foundation-supported National Socio-Environmental Synthesis Center, in association with a team of natural and social scientists. The study based on the HANDY model has been accepted for publication in the peer-reviewed Elsevier journal, Ecological Economics.

It finds that according to the historical record even advanced, complex civilisations are susceptible to collapse, raising questions about the sustainability of modern civilisation:

“The fall of the Roman Empire, and the equally (if not more) advanced Han, Mauryan, and Gupta Empires, as well as so many advanced Mesopotamian Empires, are all testimony to the fact that advanced, sophisticated, complex, and creative civilizations can be both fragile and impermanent.”

By investigating the human-nature dynamics of these past cases of collapse, the project identifies the most salient interrelated factors which explain civilisational decline, and which may help determine the risk of collapse today: namely, Population, Climate, Water, Agriculture, and Energy.

These factors can lead to collapse when they converge to generate two crucial social features: “the stretching of resources due to the strain placed on the ecological carrying capacity”; and “the economic stratification of society into Elites [rich] and Masses (or “Commoners”) [poor]” These social phenomena have played “a central role in the character or in the process of the collapse,” in all such cases over “the last five thousand years.”

Currently, high levels of economic stratification are linked directly to overconsumption of resources, with “Elites” based largely in industrialised countries responsible for both:

“… accumulated surplus is not evenly distributed throughout society, but rather has been controlled by an elite. The mass of the population, while producing the wealth, is only allocated a small portion of it by elites, usually at or just above subsistence levels.”

The study challenges those who argue that technology will resolve these challenges by increasing efficiency:

“Technological change can raise the efficiency of resource use, but it also tends to raise both per capita resource consumption and the scale of resource extraction, so that, absent policy effects, the increases in consumption often compensate for the increased efficiency of resource use.”

Productivity increases in agriculture and industry over the last two centuries has come from “increased (rather than decreased) resource throughput,” despite dramatic efficiency gains over the same period.

Modelling a range of different scenarios, Motesharri and his colleagues conclude that under conditions “closely reflecting the reality of the world today… we find that collapse is difficult to avoid.” In the first of these scenarios, civilisation:

“…. appears to be on a sustainable path for quite a long time, but even using an optimal depletion rate and starting with a very small number of Elites, the Elites eventually consume too much, resulting in a famine among Commoners that eventually causes the collapse of society. It is important to note that this Type-L collapse is due to an inequality-induced famine that causes a loss of workers, rather than a collapse of Nature.”

Another scenario focuses on the role of continued resource exploitation, finding that “with a larger depletion rate, the decline of the Commoners occurs faster, while the Elites are still thriving, but eventually the Commoners collapse completely, followed by the Elites.”

In both scenarios, Elite wealth monopolies mean that they are buffered from the most “detrimental effects of the environmental collapse until much later than the Commoners”, allowing them to “continue ‘business as usual’ despite the impending catastrophe.” The same mechanism, they argue, could explain how “historical collapses were allowed to occur by elites who appear to be oblivious to the catastrophic trajectory (most clearly apparent in the Roman and Mayan cases).”

Applying this lesson to our contemporary predicament, the study warns that:

“While some members of society might raise the alarm that the system is moving towards an impending collapse and therefore advocate structural changes to society in order to avoid it, Elites and their supporters, who opposed making these changes, could point to the long sustainable trajectory ‘so far’ in support of doing nothing.”

However, the scientists point out that the worst-case scenarios are by no means inevitable, and suggest that appropriate policy and structural changes could avoid collapse, if not pave the way toward a more stable civilisation.

The two key solutions are to reduce economic inequality so as to ensure fairer distribution of resources, and to dramatically reduce resource consumption by relying on less intensive renewable resources and reducing population growth:

“Collapse can be avoided and population can reach equilibrium if the per capita rate of depletion of nature is reduced to a sustainable level, and if resources are distributed in a reasonably equitable fashion.”

The NASA-funded HANDY model offers a highly credible wake-up call to governments, corporations and business – and consumers – to recognise that ‘business as usual’ cannot be sustained, and that policy and structural changes are required immediately.

Although the study is largely theoretical, a number of other more empirically-focused studies – by KPMG and the UK Government Office of Science for instance – have warned that the convergence of food, water and energy crises could create a ‘perfect storm’ within about fifteen years. But these ‘business as usual’ forecasts could be very conservative.

Dr Nafeez Ahmed is executive director of the Institute for Policy Research & Development and author of A User’s Guide to the Crisis of Civilisation: And How to Save It among other books. Follow him on Twitter @nafeezahmed

 

NASA: November 2013 Warmest Ever; Global Warming Since 1997 Underestimated by 50%

In Uncategorized on December 17, 2013 at 8:19 pm

Oldspeak: “While the increase in global temperatures has slowed, the oceans have taken up heat at a faster rate since the turn of the century. Over 90 percent of the overall extra heat goes into the oceans, with only about 2 percent heating the Earth’s atmosphere. The myth of the ‘pause’ is based on ignoring 98 percent of global warming and focusing exclusively on the one bit that’s slowed.” -Kevin Trenberth and John Fasullo, National Center for Atmospheric Research

“Following news of the hottest September ever, ocean warming not seen in 10,000 years and the warmest arctic in 120,000 years we have this wonderful news. Until now, no one has even been counting the surface temperature rise of THE LARGEST SURFACE ON EARTH in their global surface temperature rise calculations… The oceans.  Explained away succinctly and unceremoniously as a “data gap”. WOW. How does that happen? How do scientists conduct observations of the earths surface temperature while ignoring 70% OF THE EARTH’S SURFACE WHERE  98% OF HEAT GOES?!?! Sigh. in the immortal words of John Connor “We’re not gonna make it, are we?… People, i mean?” -OSJ

By Joe Romm @ Climate Progress:

Last month saw the hottest global November surface temperature on record, according to the latest data from NASA.

Earth’s surface temperature in °C for each November since 1880 (compared to base period, 1951-1980). Red line is smoothing with a 15-year filter.

Of course, the global surface temperature is only one of many indicators the planet just keeps warming, as I wrote in my September post, “Faux Pause: Ocean Warming, Sea Level Rise And Polar Ice Melt Speed Up, Surface Warming To Follow.”

Now two new studies demolish the myth that warming — including surface warming — has not continued apace. Stefan Rahmstorf, Co-Chair of Earth System Analysis at the Potsdam Institute for Climate Impact Research, discusses the first paper at RealClimate:

A new study by British and Canadian researchers shows that the global temperature rise of the past 15 years has been greatly underestimated. The reason is the data gaps in the weather station network, especially in the Arctic. If you fill these data gaps using satellite measurements, the warming trend is more than doubled in the widely used HadCRUT4 data, and the much-discussed “warming pause” has virtually disappeared.

“There are no permanent weather stations in the Arctic Ocean, the place on Earth that has been warming fastest,” as New Scientist explained five years ago. “The UK’s Hadley Centre record simply excludes this area, whereas the NASA version assumes its surface temperature is the same as that of the nearest land-based stations.”

As I’ve discussed many times, that’s why we know with high certainty that the planet has actually warmed up more in the past decade than reported by the global temperature records, especially the Hadley Center’s.

The corrected data (bold lines) are shown compared to the uncorrected ones (thin lines). Via RealCliamte.

Rahmstorf explains that two scientists, Kevin Cowtan and Robert Way have devised a new method that uses satellite data to fill in the data gaps:

Cowtan and Way apply their method to the HadCRUT4 data, which are state-of-the-art except for their treatment of data gaps. For 1997-2012 these data show a relatively small warming trend of only 0.05 °C per decade – which has often been misleadingly called a “warming pause”….

But after filling the data gaps this trend is 0.12 °C per decade and thus exactly equal to the long-term trend mentioned by the IPCC.

And so the pause is faux. The second study also reveals “Global warming is unpaused and stuck on fast forward,” as environmental scientist Dana Nuccitelli explains at Skeptical Science:

New research by Kevin Trenberth and John Fasullo of the National Center for Atmospheric Research investigates how the warming of the Earth’s climate has behaved over the past 15 years compared with the previous few decades. They conclude that while the rate of increase of average global surface temperatures has slowed since 1998, melting of Arctic ice, rising sea levels, and warming oceans have continued apace.

The widespread mainstream media focus on the slowed global surface warming has led some climate scientists like Trenberth and Fasullo to investigate its causes and how much various factors have contributed to the so-called ‘pause’ or ‘hiatus.’ However, the authors note that while the increase in global temperatures has slowed, the oceans have taken up heat at a faster rate since the turn of the century. Over 90 percent of the overall extra heat goes into the oceans, with only about 2 percent heating the Earth’s atmosphere. The myth of the ‘pause’ is based on ignoring 98 percent of global warming and focusing exclusively on the one bit that’s slowed.

Here’s a graphic illustration of that:

where GW is going

A visual depiction of how much global warming heat is going into the various components of the climate system for the period 1993 to 2003, calculated from IPCC AR4 5.2.2.3

As Nuccitelli explains, this study “also casts doubt on the conclusions of a few recent studies that estimated the Earth’s climate is less sensitive to the increased greenhouse effect than previously thought”:

Trenberth and Fasullo note that using their ocean heating estimate by itself would increase the equilibrium climate sensitivity estimate in the paper referenced by Ridley from 2°C to 2.5°C average global surface warming in response to a doubling of atmospheric carbon dioxide, and using other more widespread accepted values would bring the estimate in line with the standard value of 3°C.

… the main point of the paper is that global warming is stuck on fast forward. Ice continues to melt, sea levels continue to rise, and the oceans continue to warm rapidly.

In fact, “Greenland Ice Melt Up Nearly Five-Fold Since Mid-1990s,” as we reported in November 2012. Another study that month found “sea level rising 60% faster than projected.”

No wonder Politifact Texas rates the claim, “The Earth is not warming,” as “PANTS ON FIRE – The statement is not accurate and makes a ridiculous claim.”