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originally posted by: Phage
No, I don't know that. Now it's time for you to repost those various studies which don't really say quite so definitively what you say they do. (But the Sun doesn't have geomagnetic storms or geomagnetic activity. That stuff is exclusive to Earth.)
originally posted by: Phage
Yes. I know you don't understand that water vapor content (of which relative humidity is a measure) is dependent upon temperature.
originally posted by: Phage
Once again, "saturation" of water vapor depends upon temperature. When temperatures fall, the atmosphere can hold less water vapor, that is why dew forms, that is why it rains.
originally posted by: Phage
Why would water vapor levels rise?
originally posted by: Phage
Trend, not variation within the trend. There are factors other than CO2 which influence atmospheric temperatures and cause variation. The trend correlates to the increase in CO2 concentrations. So does ocean heat content.
I have not denied that any of those things occur. I question whether they have a greater effect on climate than increasing CO2 levels, if they have any effect at all. Please explain how those things would cause an increase in atmospheric water vapor levels.
Increases in the total irradiance from the Sun, changes in Earth's magnetic field, changes in the environment the solar system encounters as it travels through the LIC (Local Interstellar Cloud) All of which have been occurring despite you trying to deny it.
That might be because it isn't true.
I know that if temperature was to cool water vapor content in the atmosphere decreases, but again remember that the Sun's activity had been increasing until 2006, which you have tried to deny in the past.
No. The claim is that the increase in CO2 levels is the primary cause for the current trend in increasing temperatures.
Except for the fact that the AGW camp proclaims that CO2 is the most important factor affecting temperatures, but it isn't...
What massive warming? We have not, as yet, seen massive warming.
Understand this, yes CO2 is a greenhouse gas, but observation tells us it does not causes the massive warming claimed by your AGW camp.
The overall trend is an increase in global temperatures. There was not a decrease in global temperatures for 13 years.
Again, if it was the most important factor, or even important at all the trend in warming should have been increasing, but it has been all over the place, including a decrease in global temperatures for almost 13 years.
How environmentally friendly are electric cars?
By Andrew Bomford BBC Radio 4's PM programme
...
Electric vehicles are seen by governments as an important part of cutting emissions and reducing global warming. After all, what comes out of the car is completely clean, but nonetheless some scientists are questioning their green credentials.
Concerns are focused on two areas:
How electric vehicles (EVs), and particularly their batteries, are manufactured
How the electricity which powers them is generated.
One recent study by scientists in EV-friendly Norway has found that in some circumstances electric cars can have a greater impact on global warming than conventional cars.
One of the authors of the report, at the Norwegian University of Science and Technology, Guillaume Majeau-Bettez, admits that he is shocked and disappointed that their findings are not more positive for EVs.
"The electric car has great potential for improvement, but ultimately what will make it a success or failure from an environmental standpoint is how much we can clean up our electricity grid - both for the electricity you use when you drive your car, and for the electricity used for producing the car."
...
originally posted by: Phage
I have not denied that any of those things occur. I question whether they have a greater effect on climate than increasing CO2 levels, if they have any effect at all. Please explain how those things would cause an increase in atmospheric water vapor levels.
...
"Based on the scientific evidence, I am convinced that we are facing anthropogenic climate change brought about by the emission of greenhouse gases into the atmosphere."
...
Can climate models explain the recent stagnation in global warming?
Hans von Storch(1), Armineh Barkhordarian(1), Klaus Hasselmann(2) and Eduardo Zorita(1)
(1) Institute for Coastal Research, Helmholtz-Zentrum Geesthacht, Geesthacht, Germany(2) Max-Planck-Institute for Meteorology, Hamburg, Germany
In recent years, the increase in near-surface global annual mean temperatures has emerged as considerably smaller than many had expected. We investigate whether this can be explained by contemporary climate change scenarios. In contrast to earlier analyses for a ten-year period that indicated consistency between models and observations at the 5% confidence level, we find that the continued warming stagnation over fifteen years, from 1998 -2012, is no longer consistent with model projections even at the 2% confidence level. Of the possible causes of the inconsistency, the underestimation of internal natural climate variability on decadal time scales is a plausible candidate, but the influence of unaccounted external forcing factors or an overestimation of the model sensitivity to elevated greenhouse gas concentrations cannot be ruled out. The first cause would have little impact of the expectations of longer term anthropogenic climate change, but the second and particularly the third would.
...
Researchers Find Major West Antarctic Glacier Melting from Geothermal Sources
June 10, 2014
...
Using radar techniques to map how water flows under ice sheets, UTIG researchers were able to estimate ice melting rates and thus identify significant sources of geothermal heat under Thwaites Glacier. They found these sources are distributed over a wider area and are much hotter than previously assumed.
The geothermal heat contributed significantly to melting of the underside of the glacier, and it might be a key factor in allowing the ice sheet to slide, affecting the ice sheet's stability and its contribution to future sea level rise.
The cause of the variable distribution of heat beneath the glacier is thought to be the movement of magma and associated volcanic activity arising from the rifting of the Earth's crust beneath the West Antarctic Ice Sheet.
...
The findings of lead author Dusty Schroeder and his colleagues show that the glacier sits on something more like a multi-burner stovetop with burners putting out heat at different levels at different locations.
"It's the most complex thermal environment you might imagine," said co-author Don Blankenship, a senior research scientist at UTIG and Schroeder's Ph.D. adviser. "And then you plop the most critical dynamically unstable ice sheet on planet Earth in the middle of this thing, and then you try to model it. It's virtually impossible."
...
Oceanic Influences on Recent Continental Warming
GILBERT P. COMPO
PRASHANT D. SARDESHMUKH
Climate Diagnostics Center,
Cooperative Institute for Research in Environmental Sciences,
University of Colorado, and
Physical Sciences Division, Earth System Research Laboratory,
National Oceanic and Atmospheric Administration
325 Broadway R/PSD1
Boulder CO 80305-3328
[email protected]
(303) 497-6115
(303) 497-6449
Citation:
Compo, G.P., and P.D. Sardeshmukh, 2008: Oceanic influences on recent continental warming. Climate
Dynamics, doi: 10.1007/s00382-008-0448-9.
This article is published by Springer-Verlag. This author-created version is distributed courtesy of Springer-Verlag.
The original publication is available from www.springerlink.com at
www.springerlink.com...
Abstract
Evidence is presented that the recent worldwide land warming has occurred largely in response to a worldwide warming of the oceans rather than as a direct response to increasing greenhouse gases (GHGs) over land.
...
Abstract
Evidence is presented that the recent worldwide land warming has occurred largely in response to a worldwide warming of the oceans rather than as a direct response to increasing greenhouse gases (GHGs) over land.
Atmospheric model simulations of the last half-century with prescribed observed ocean temperature changes, but without prescribed GHG changes, account for most of the land warming. The oceanic influence has occurred through hydrodynamic-radiative teleconnections, primarily by moistening and warming the air over land and increasing the downward longwave radiation at the surface. The oceans may themselves have warmed from a combination of natural and anthropogenic influences
...
originally posted by: jrod
a reply to: ElectricUniverse
Back to the OP. Yes it is very much about reinventing the economy. Exploiting the world's resources for profit and power is wrong. The US dollar is tied to the oil trade.....go figure.
originally posted by: jrod
You are wrong.
Are you trying to deny thst anthropogenic CO2 is a significant step in terms of climate forcing?
originally posted by: jrod
a reply to: ElectricUniverse
So you are just going to ignore the observations, the science and try to make this a political and economic debate.
The science is clear, we are changing the climate with our CO2 output. There is no debating this reality. Your only hope to hide the science is debate politics and economics in regards to the CO2 problem which are ultimately circular debates that accomplish nothing except cast doubt on the reality of human induced climate change.