I am still waiting for word on what the global temperature anomaly for the month was, but I suspect it will be fairly close to normal, which means that
on average the temperature of the Earth will come in at ~ 12.0 °C which is 4 °C colder than it will be in 6 months from now, but because of how they talk about temperature, I will be the only one pointing out the difference between the actual temperature and the anomaly temperature.
Any change in the amount of stuff in the atmosphere has no effect
on the average temperature of the earth's surface because there is a balance at work.
Not exact matches
These numbers compare with 69 %
of all people surveyed who «believe there is solid evidence that the
average temperature on Earth has been getting warmer over the past few decades» and 57 % who «believe humans and other living things evolved over time.»
Because the sulfate haze reflects a portion
of the sun's energy back into space, the
average temperature on Earth's surface drops by as much as 0.5 or even 1 degree Celsius.
The results show that even though there has been a slowdown in the warming
of the global
average temperatures on the surface
of Earth, the warming has continued strongly throughout the troposphere except for a very thin layer at around 14 - 15 km above the surface
of Earth where it has warmed slightly less.
But here's your question: why we should be concerned even with the global
temperature rise that has been predicted, let's say by 2050,
of probably around 2 degrees C; one should understand that in the Ice Age — the depths
of the Ice Age — the
Earth was colder
on a global
average by about 5 degrees C.
For now, 2016 still stands as the hottest year
of all time, a year when no land area
on Earth experienced lower - than -
average temperatures.
An analysis
of temperature through early
Earth's history, published the week
of April 2 in the Proceedings
of the National Academy
of Sciences, supports more moderate
average temperatures throughout the billions
of years when life slowly emerged
on Earth.
These shifts also have a profound effect
on the
average global surface air
temperature of Earth.
This 30 - slide presentation revises the following learning objectives: 1) To explain how the
Earth spinning explains day and night 2) To know what a leap year is and explain why we need them 3) To explain why the average temperature changes as we go through the year 4) To explain why the length of the day changes as we go through the year 5) To describe difference between stars and planets 6) To describe the phases of the Moon 7) To explain that the apparent movement of the stars is caused by the rotation of the Earth 8) To explain total and partial solar and lunar eclipses 9) To explain the effect the sun and the moon have on tides on earth 10) To describe spring tides and neap
Earth spinning explains day and night 2) To know what a leap year is and explain why we need them 3) To explain why the
average temperature changes as we go through the year 4) To explain why the length
of the day changes as we go through the year 5) To describe difference between stars and planets 6) To describe the phases
of the Moon 7) To explain that the apparent movement
of the stars is caused by the rotation
of the
Earth 8) To explain total and partial solar and lunar eclipses 9) To explain the effect the sun and the moon have on tides on earth 10) To describe spring tides and neap
Earth 8) To explain total and partial solar and lunar eclipses 9) To explain the effect the sun and the moon have
on tides
on earth 10) To describe spring tides and neap
earth 10) To describe spring tides and neap tides
Ray, I think Lee Grable's point is important: The fact that we use the term «global
temperature» to mean the
average temperature on a two - dimensional surface rather than the three - dimensional ocean plus land plus atmosphere system
of the
earth has the potential to allow confusion.
As far as this historic period is concerned, the reconstruction
of past
temperatures based
on deep boreholes in deep permafrost is one
of the best past
temperature proxies we have (for the global regions with permafrost — polar regions and mountainous regions)-- as a signal
of average temperatures it's even more accurate than historic direct measurements
of the air
temperature, since the
earth's upper crust acts as a near perfect conservator
of past
temperatures — given that no water circulation takes place, which is precisely the case in permafrost where by definition the water is frozen.
With an
average temperature of eight degrees Fahrenheit, six times saltier water than seawater, and the highest nitrous oxide levels
of any body
of water
on Earth, it's safe to call the Lake Vida research site a «challenging environment.»
Can any amount
of energy created
on earth cause the
average temperature to rise dramatically above or below the norm?
There is virtually universal agreement that
average hurricane intensity
on Earth is a straightforward function
of ocean - atmosphere
temperatures; thus, rising SSTs will inevitably mean more intense hurricanes.
Global
average temperature is lower during glacial periods for two primary reasons: 1) there was only about 190 ppm CO2 in the atmosphere, and other major greenhouse gases (CH4 and N2O) were also lower 2) the
earth surface was more reflective, due to the presence
of lots
of ice and snow
on land, and lots more sea ice than today (that is, the albedo was higher).
But even when carbon dioxide does make its way out
of the atmosphere,
Earth's natural systems can release other carbon dioxide molecules that were previously stored in the oceans / land back into the atmosphere, making the full effect
of carbon dioxide emissions
on surface
temperatures much longer than this 5 - 200 year
average.
And remember, this is not the result
of all
of the known problems with the ground based climate records... these three teams, all comprised
of well - known climate scientists, are using the same
temperature records, and they can't even agree
on what the
average temperature of the
earth is.
A scientist would never focus
on ONLY one variable, CO2, probably a very minor variable with no correlation with
average temperature, when there are dozens
of variables affecting
Earth's climate... and then further focus only
on manmade CO2, for political reasons (only that 3 %
of all atmospheric CO2 can be blamed
on humans... which is the goal
of climate modelers... along with getting more government grants.)
Typical
temperature reconstructions for the late Pliocene however [see one at the top
of this story - 3.3 - 3.0 Ma] already show an
Earth in which a warmer climatic state is indeed [through for instance ice albedo feedbacks] relatively strong around the poles, and (
on average) weaker around the equator, exactly the pattern that is monitored under the current climate warming.
Then in 1987, Congress, recognizing that «man - made pollution — the release
of carbon dioxide, chlorofluorocarbons, methane and other trace gases into the atmosphere — may be producing a long - term and substantial increase in the
average temperature on Earth,» passed the Global Climate Protection Act.
Even today, with an atmosphere
of 96 % CO2, the
average temperature at an altitude
of 55 km, which corresponds to 6 km
on Earth, is only 27 degrees C (80.6 F).
If we do not apply any physical modelling to the problem
of finding the global
average temperature, it seems to me that for each point
on the
Earth we can make no better
temperature estimate than by interpolation based
on triangles.
3 Atmospheric Scientists: Greenhouse Effect Based
On «Physically Irrelevant Assumptions» Yet another new scientific paper has been published that questions the current understanding
of the
Earth's globally
averaged surface
temperature and its relation to the theoretical greenhouse effect.
Without it, scientists estimate that the
average temperature on Earth would be colder by approximately 30 degrees Celsius (54 degrees Fahrenheit), far too cold to sustain most
of our current ecosystems.
, because that is the
average temperature and energy
of the bulk
of the thermal energy
on Earth that created the 334Wm - 2 which you might call Down welling IR.
I've been doing research
on the topic and I agree that natural cycles were taking the
Earth into an Ice Age until anthropogenic warming suddenly began to spike the
average temperature of the
Earth.
Effectively, infrared radiation emitted to space originates from an altitude with a
temperature of,
on average, — 19 °C, in balance with the net incoming solar radiation, whereas the
Earth's surface is kept at a much higher
temperature of,
on average, +14 °C.
I don't have to know the global
average temperature of the
Earth in 1422 to know that Michael Mann can not determine that number within a tenth
of a degree based
on an extremely limited number
of proxies.
«claims that «Global warming is the unusually rapid increase in
Earth's
average surface
temperature over the past century» are erroneous and indicative
of either ignorance or duplicity
on the part
of NASA's
Earth Observatory, NASA's Climate Consensus page, The Daily Mail, the EPA and many others.»
When the
earth's
temperature rises
on average by more than two degrees, interactions between different consequences
of global warming (reduction in the area
of arable land, unexpected crop failures, extinction
of diverse plant and animal species) combined with increasing populations mean that hundreds
of millions
of people may die from starvation or disease in future famines.
On average, there won't be a change in the equilibrium radiating temperature of the Earth, but there will be a change in the effective radiating altitude consequent on the change in the atmosphere's effective thermal conductanc
On average, there won't be a change in the equilibrium radiating
temperature of the
Earth, but there will be a change in the effective radiating altitude consequent
on the change in the atmosphere's effective thermal conductanc
on the change in the atmosphere's effective thermal conductance.
There is a little reported school
of AGW skepticism that keeps
on pointing out that it makes no sense to construct a global
average temperature by
averaging individual
temperatures over the
earth's surface because:
Regardless, claims that «Global warming is the unusually rapid increase in
Earth's
average surface
temperature over the past century» are erroneous and indicative
of either ignorance or duplicity
on the part
of NASA's
Earth Observatory, NASA's Climate Consensus page, The Daily Mail, the EPA and many others.
One study estimates that there are likely to be places
on Earth where unprotected humans without cooling mechanisms, such as air conditioning, would die in less than six hours if global
average surface
temperature rises by about 12.6 ° F (7 ° C).16 With warming
of 19.8 - 21.6 ° F (11 - 12 ° C), this same study projects that regions where approximately half
of the world's people now live could become intolerable.7
We see a greenhouse effect (higher surface
temperature) at the
Earth's surface because the
temperature of the gas (atmosphere)
on average is less than the
temperature of the source (surface).
However, over long time periods, the variation
of the global
average temperature with CO2 concentration depends
on various factors such as the placement
of the continents
on Earth, the functionality
of ocean currents, the past history
of the climate, the orientation
of the
Earth's orbit relative to the Sun, the luminosity
of the Sun, the presence
of aerosols in the atmosphere, volcanic action, land clearing, biological evolution, etc..
In 2007, the IPCC assumed that the
earth's
average temperature could increase anywhere from 1.8 to 4.0 degrees Celsius by the end
of this century — depending
on which strategy the international community adopts and by how much greenhouse gas emissions are reduced.
Rohde, R. et al: «A new estimate
of the
average earth surface land
temperature spanning 1753 to 2011», Manuscript: text presented at the 3rd Santa Fe conference
on global and regional climate
temperature change, 2011
Try, really try, to address just Jelbring's imaginary world, perfectly insulated above and below, ideal gas in between, near -
Earth gravity, infinite time for the system to reach true thermodynamic equilibrium (or long enough for a non-GHG to reach thermal equilibrium through radiation, which is going to be a hell
of a lot longer than its thermal relaxation through conductivity for a gas
on average 200 - 300K in
temperature at 1 g).
The
Earth's
average temperature is continuing to rise, regardless
of the fact that some parts
of the United States can still experience atypically cold winters (see this page for more
on that).
Our DOE Comment focuses entirely
on the new science concerning the equilibrium climate sensitivity, that is, how much the
earth's
average surface
temperature will increase from a doubling
of the atmospheric carbon dioxide content.
How
on earth anyone claims to know the total global
average temperature today, including all layers
of the oceans and atmosphere, begs belief.
The
average land
temperature on earth has risen 2.5 degrees Fahrenheit over the past 250 years — essentially all
of it caused by human emission
of greenhouses gases.
Its revised projection indicates that if we stick with business as usual, in terms
of carbon dioxide emissions,
average surface
temperatures on «
Earth by 2100 will hit levels far beyond anything humans have ever experienced.
Global
average temperature is a long - term look at the
Earth's
temperature, usually over the course
of 30 years,
on land and sea.
«Climate science» as it is used by warmists implies adherence to a set
of beliefs: (1) Increasing greenhouse gas concentrations will warm the
Earth's surface and atmosphere; (2) Human production
of CO2 is producing significant increases in CO2 concentration; (3) The rate
of rise
of temperature in the 20th and 21st centuries is unprecedented compared to the rates
of change
of temperature in the previous two millennia and this can only be due to rising greenhouse gas concentrations; (4) The climate
of the 19th century was ideal and may be taken as a standard to compare against any current climate; (5) global climate models, while still not perfect, are good enough to indicate that continued use
of fossil fuels at projected rates in the 21st century will cause the CO2 concentration to rise to a high level by 2100 (possibly 700 to 900 ppm); (6) The global
average temperature under this condition will rise more than 3 °C from the late 19th century ideal; (7) The negative impact
on humanity
of such a rise will be enormous; (8) The only alternative to such a disaster is to immediately and sharply reduce CO2 emissions (reducing emissions in 2050 by 80 % compared to today's rate) and continue further reductions after 2050; (9) Even with such draconian CO2 reductions, the CO2 concentration is likely to reach at least 450 to 500 ppm by 2100 resulting in significant damage to humanity; (10) Such reductions in CO2 emissions are technically feasible and economically affordable while providing adequate energy to a growing world population that is increasingly industrializing.
The fact is, we are the ones
on this planet with the highest energy consumption and the end result
of all this energy consumption is a steady increase
of heat, carbon dioxide and other by - products into the atmosphere produced by us that is causing gradual increases in the
average temperature of the
earth's atmosphere from year to year.
With the sun and the «greenhouse gases», but without water, the
average temperature on earth would be
of - 11 °C (resulting from a daytime mean
temperature of approximately +135 °C and a nighttime
temperature of approximately - 175 °C).
Thanks to humans, the
earth was (since the 1990s) already experiencing atmospheric carbon dioxide levels in a realm not experienced
on the planet since the Pliocene epoch, which was the period 2.6 to 5.3 million years ago that saw atmospheric carbon dioxide levels between 350 and 405 parts per million and
average global
temperatures that ranged between 2 and 3 degrees Celsius warmer than the climate
of the 1880s.