1) Berkeley Earth
Temperature Averaging Process Robert Rohde1, Judith Curry2, Donald Groom3, Robert Jacobsen3, 4, Richard A. Muller1, 3,4, Saul Perlmutter3, 4, Arthur Rosenfeld3, 4, Charlotte Wickham5, Jonathan Wurtele3, 4
Not exact matches
The same
process cools a cup of coffee when the most energetic molecules escape as steam, thus lowering the
average energy and therefore the
temperature of the remaining molecules.
The team also developed a novel signal -
processing method that
averages multiple wavelength peaks to help reduce signal noise, which can introduce artificial
temperature fluctuations and reduce a sensor's precision.
Any reforms to come from the
process, starting next week, would affect about 62 percent of New York state's population, the proportion estimated to reside now in areas that could be hard hit as rising land and ocean
temperatures raise
average sea levels around the globe.
After this
process was used by the researchers to determine new normal conditions for global
average temperatures, it was used again to examine record hot seasonal
temperatures at a regional level.
Since many of these
processes result in non-symmetric time, location and
temperature dependant feedbacks (eg water vapor, clouds, CO2 washout, condensation, ice formation, radiative and convective heat transfer etc) then how can a model that uses yearly
average values for the forcings accurately reflect the results?
For example, we could describe climate change primarily in terms of the physical
processes: carbon emissions, the radiative balance of the atmosphere,
average temperatures, and impacts on human life and ecosystems.
The slipperiness continues in his next statement:»... if the climate engineering
process were abruptly stopped, the earth's
average temperature would rise rapidly...» This has a built - in ambiguity that is cunning.
Computer models suggest that if the climate engineering
process were abruptly stopped, the earth's
average temperature would rise rapidly, perhaps as quickly as 1 degree in a decade.
Using the «GAT» as an input to any kind of simulation becomes a simplistic method of getting wrong answers because the physics involved has nothing to do with the non-existant
average temperature but the particular
temperature affecting a
process in a particular place.
I know that the data that is presented on global
temperatures daily, monthly and yearly, is not raw data; it has had a considerable amount of
processing before it is presented as an
average global
temperature.
But instead of reviewing this information systematically, they began their
process by converting the data to anomalies centered in the mid-Holocene and then had to try to link the resulting
averages to modern
temperatures.
Governments adopted a comprehensive package of decisions — including an agreement to initiate a second commitment period for the Kyoto Protocol and the «Durban Platform» to negotiate a long - term, all inclusive future mitigation regime that includes a
process to address the «ambition gap» for stabilizing
average global
temperature increases at 2 degrees Celsius over pre-industrial levels.
It is important to distinguish that the «homogenized» or otherwise «
processed», filled in,
averaged, etc
temperature record often shows strong warming — while the original raw
temperature data often does not.
However they failed to realise that Global warming is an on / off phenomena and sp had no answer to the current constant
average temperature, They failed to understand the 1940 singularity, so they did not have a clear view of the
processes at work.
Since ENSO is a coupled ocean - atmosphere
process, I have presented its impact on and the inter-relationships between numerous variables, including sea surface
temperature, sea level, ocean currents, ocean heat content, depth -
averaged temperature, warm water volume, sea level pressure, cloud amount, precipitation, the strength and direction of the trade winds, etc..
«Because the solar - thermal energy balance of Earth [at the top of the atmosphere (TOA)-RSB- is maintained by radiative
processes only, and because all the global net advective energy transports must equal zero, it follows that the global
average surface
temperature must be determined in full by the radiative fluxes arising from the patterns of
temperature and absorption of radiation.»
Simplified model of major
processes that interact to determine the
average temperature and greenhouse gas content of the troposphere.
The Paris Agreement was a major step forward for international cooperation on tackling climate change; not only did Parties agree to the ambitious mitigation goal of limiting
average global
temperature increase to well below 2 °C, but they also agreed to a wide array of
processes and tools aimed at achieving this goal.
Or maybe the
process is different in an amount that is a function of
average temperature, etc If, in reality, both T and CO2 track together, we would see just as many CO2 leads as lags, and, if CO2 leads T, there would be more CO2 leads.
I'm very convinced that the physical
process of global warming is continuing, which appears as a statistically significant increase of the global surface and tropospheric
temperature anomaly over a time scale of about 20 years and longer and also as trends in other climate variables (e.g., global ocean heat content increase, Arctic and Antarctic ice decrease, mountain glacier decrease on
average and others), and I don't see any scientific evidence according to which this trend has been broken, recently.
19 CGCM of the Earth's Climate Simplified model of major
processes that interact to determine the
average temperature and greenhouse gas content of the troposphere.
The
average surface air
temperature is always tied to the
average sea surface
temperature so that the weather systems render any greenhouse warming
process in the air ineffective and then leave the oceanic influence in unchallenged control.
In a
process called data homogenization climate scientists adjust quality controlled raw
temperature data to create a more steeply rising
average temperature wherever their model suggests the weather behaved «outside statistically unexpectations».
An additional
process takes the multiple climate data records and creates U.S. or global
average temperatures.
Because weather patterns vary, causing
temperatures to be higher or lower than
average from time to time due to factors like ocean
processes, cloud variability, volcanic activity, and other natural cycles, scientists take a longer - term view in order to consider all of the year - to - year changes.
Without this
process, the
average annual
temperature on Earth would be approximately 15 °C cooler (and below freezing).
Consequently, assuming mild greenhouse gas emission scenario (RCP2.6), areal extent of the conditions suitable for the
processes in the study areas can contract 70 % by 2050 owing to changes in
average air
temperature and precipitation.
This means the Commission now has 12 months to devise a strategy for aligning the EU's emissions trajectory to 2050 with the Paris Agreement, and hence that the
process has been set in train that could ultimately at some point in the next three to five years lead to an EU - ETS cap aligned with the objective of restricting the increase in the
average global
temperature to «well below 2 °C».
The modulation of these
processes can significantly impact global
average temperatures.
Let's suppose that the Sun's instantaneous
average temperature is dominated by the sum of a bias and two sinusoidally varying
processes
I suspect the decomposition / oxidation
process may be more sensitive to
temperature than the growth
process, thus causing a forested area to become, for a limited time, a net source of CO2 with an increase in
average annual
temperature.
al. (1998) Proxy Data Base and Northern Hemispheric
Average Temperature Series,» was published in Energy and Environment (Volume 14, Number 6 / November 2003), a journal that was not carried in the ISI listing of peer - reviewed journals and whose peer review
process has been widely criticized for allowing the publication of substandard papers.
This research required Dr Marohasy to compile long
temperature series for different locations as arrays for a neural network model, in the
process she became interested in the methodology used by the Bureau of Meteorology in the compilation of an annual
average temperature for Australia.
The first of these concerns the terrestrial and oceanic
processes that release greenhouse gases into the atmosphere and then absorb them, and the second is a calculation about what a change in carbon dioxide levels really means for
average global
temperatures.
The
process for calculating
temperature averages over a region starts with calculating, at each location, the difference in each time period (day, month, year) between the
temperature at a location and that location's climatological
average for a standard 1961 — 1990 reference period.
To capture this
process in a simple form, station weights («footprints») for monthly maximum and minimum Australian
average temperature are calculated as the fraction of the Australian land area which is closest to each station.
Does this mean that, under positive feedback
processes that release very large quantities of CO2 into the atmosphere, there is a limit to the increase in the
average temperature of Earth?
The Berkeley Earth
averaging process generates a variety of Output data including a set of gridded
temperature fields, regional
averages, and bias - corrected station data.
A key example of this balancing
process concerns the best value of what is known as the climate sensitivity, that is the increase in global
average temperature associated with a doubling of atmospheric carbon dioxide that, unless severe mitigating action is taken, is likely to occur during the second half of the 21st century.
Probability distributions for
average future changes in surface
temperature and precipitation, for instance, may be within reach, because the main
processes expected to drive such changes are captured in the current generation of climate models.
Emissivity is not relevant here, since we're dealing with bulk
processes like
temperature, pressure and
average radiative fluxes.
The framework contains a weighting
process that assesses the quality and consistency of a spatial network of
temperature stations as an integral part of the
averaging process.
Instrumental
temperatures (1871 - 1997) are in black, circum - Arctic
temperature proxies [1600 - 1990, from (2 — Overpeck)-RSB- are in yellow, northern NH tree - ring densities [1550 - 1960, from (3 — Briffa et al 1998 (Nature); Briffa et al 1998 (Proc Roy Soc London)-RRB-,
processed to retain low - frequency signals] are in pale blue, NH
temperature proxies [1000 - 1992, from (4 — Jones et al 1998)-RSB- are in red, global climate proxies [1000 - 1980, from (5, 6 — MBH99)-RSB- are in purple, and an
average of three northern Eurasian tree - ring width chronologies [1 - 1993, from (10 — Briffa et al 2000)-RSB- is in green.
May I remind you however that while Kaufmann indeed holds the same idea on the «essential», stationary, nature of
temperature series, he does respect the test results and in all of his analyses he treats the global
average temperature series as an I (1)
process.
Considering Earth's
average surface
temperature as a reasonable metric (something more along the lines of total surface heat content is probably better, but
average T is not a bad proxy for that), the standard systems theory analysis from the physical constraints implies that that
average T is determined and constrained through a feedback
process.
This does not preclude the possibility of some energetic individual re-
averaging all of the raw
temperature series with
process - dependent
averaging and THEN looking for the statistical characteristics of this newly
averaged temperature series, but the conclusion I present here is that one can not draw inferences about the EXISTING surface
temperature dataset (s) directly.