Sentences with phrase «atmospheric radiative»

Regarding your complaint about the excessive referencing to my own articles I can only tell, that as soon as somebody else is willing to compute and write articles on the tau and the analytical relationships among the atmospheric radiative fluxes, I shall be happy to reference them.

Through the use of a Venus climate model that couples atmospheric radiative - convective equilibrium with surface processes, we show that it is likely that Venus» climate is at or near a state of unstable equilibrium.

I take that as a concession on your part that you have no observational backing whatsoever from the real Earth system to claim that increased atmospheric radiative forcing is what caused the rise in OHC since 2001... even when SSTs didn't warm at all.

I thought the idea was that an increase in the atmospheric radiative forcing from above would warm the skin layer a bit, reducing the temp gradient to the water layer below, thus impeding the transport of absorbed solar energy up and back out of the ocean, and thus making it pile up to increase OHC.

On the other hand, this issue does involve complexities of atmospheric radiative physics, does it not?

This would require the radiative effect of clouds to change from one that increases atmospheric radiative absorption by about \ (0.5 \, \ hbox -LCB- Wm -RCB- ^ -LCB--2 -RCB- \, \ hbox -LCB- K -RCB- ^ -LCB--1 -RCB- \) to one that decreases it by \ -LRB--3.5 \, \ hbox -LCB- Wm -RCB- ^ -LCB--2 -RCB- \, \ hbox -LCB- K -RCB- ^ -LCB--1 -RCB- \).

This study seeks to explain the effects of cloud on changes in atmospheric radiative absorption that largely balance changes in global mean precipitation under climate change.

The reason logarithmically decreasing temperatures is atmospheric radiative gases» absorption and emission capacities, i.e., saturation levels.

However atmospheric radiative dynamics are very complex containing known and unknown feedbacks.

These data were used to reconstruct the long - term atmospheric radiative forcing, i.e., climate impact of the peatland since initiation.

It's a dying issue like most flashy talking points because atmospheric radiative transfer doesn't give two hoots about how Mike Mann and SteveM feel about each other, and neither do most people with better things to do than watch people score points.

Here's the point where I issue my standard challenge: build an AOGCM which explains the past 2,000 years to present better than CMIP5 without invoking any atmospheric radiative transfers from CO2 and you'll have my full and undivided attention.

The direct radiative forcing calculation is based on an empiric al equation derived from well - established atmospheric radiative energy transfer models and serves as a first - order proxy for global warming impact.»

Based on the IPCC, 2001 findings, this is a reasonable estimate of the change over the recent decades in the atmospheric radiative forcing).

Chapter 8 discusses the atmospheric radiative processes, a key element in climate change.

Thus the IPCC «backradiation» can not affect the temperature of the surface and there can be no atmospheric radiative greenhouse effect.

A comparison of CO2 and CH4 fluxes from eutrophic reservoirs suggests that eutrophication does little to change the net carbon balance of reservoirs, but greatly increases the atmospheric radiative forcing caused by these systems through the stimulation of CH4 production (figure 3).

«The role of DYNAMO in situ observations in improving NASA CERES - like daily surface and atmospheric radiative flux estimates.»

The temperature did not change, so the surface temperature - dependent responses of atmospheric radiative cooling also did not change.

There is no net atmospheric radiative GHE raising surface temperatures from 255K by 33K.

Because of the increase in CO2 concentrations in the atmosphere a higher average temperature is maintained through simple atmospheric radiative effects.

This necessitates taking into account atmospheric radiative transfer so that any SST warming is driven by radiative changes (e.g., changes in greenhouse gas concentrations) and resultant changes in the surface fluxes.

I work on atmospheric radiative transfer issues that are key to making climate GCMs capable of simulating terrestrial climate.

By using dual radioactive tracers with differing lifetimes, Wilson et al. [2017] found short term increases in CH4 and CO2 release during periods of thaw in a discontinuous permafrost were generally offset by long - term accumulation of peat in the ensuing millennia, leading the regions to continue to be net carbon sinks with negative atmospheric radiative forcing, given the long life - time of atmospheric CO2.

Assuming it was Miskolczi (rather than some competent research assistant) who wrote the code, it is indicative of a good understanding of atmospheric radiative transfer.

If you are really interested in this (and not just interested in grasping at straws in a vain hope that adding more GHG's to the Earth's atmosphere will have no effect) you should pick up a text book on introductory atmospheric physics or atmospheric radiative transfer.

Since joining AER in 1987, Mr. Iacono has contributed to research in atmospheric radiative transfer and on weather and climate model evaluation and improvement.

Not exact matches

We can determine the radiative forcing associated with the long - lived greenhouse gases fairly precisely, because we know their atmospheric concentrations, their spatial distribution and the physics of their interaction with radiation.

For the study, Gentine and Lemordant took Earth system models with decoupled surface (vegetation physiology) and atmospheric (radiative) CO2 responses and used a multi-model statistical analysis from CMIP5, the most current set of coordinated climate model experiments set up as an international cooperation project for the International Panel on Climate Change.

The CO2 physiological response has a dominant role in evapotranspiration and has a major effect on long - term runoff and soil moisture compared to radiative or precipitation changes due to increased atmospheric CO2.

Respective roles of direct GHG radiative forcing and induced Arctic sea ice loss on the Northern Hemisphere atmospheric circulation.

Collaborative products range from published papers that build realistic radiative transfer models from within the ocean to the top of the atmosphere to the assembly of novel databases that contain ocean and atmospheric measurements useful to develop novel algorithms.

Sally, who was nominated by Dr. Beat Schmid, Associate Director, Atmospheric Sciences and Global Change Division, was honored for her exceptional contribution in the field of atmospheric science, particularly in her efforts to improve understanding of the radiative effect of clouds and aerosols on the Earth's atmosphere and their representation in climate models.

By showing that (a) there are no common physical laws between the warming phenomenon in glass houses and the fictitious atmospheric greenhouse effects, (b) there are no calculations to determine an average surface temperature of a planet, (c) the frequently mentioned difference of 33 C is a meaningless number calculated wrongly, (d) the formulas of cavity radiation are used inappropriately, (e) the assumption of a radiative balance is unphysical, (f) thermal conductivity and friction must not be set to zero, the atmospheric greenhouse conjecture is falsified

A release of 500 Gton C as methane (order 10 % of the hydrate reservoir) to the atmosphere would have an equivalent radiative impact to a factor of 10 increase in atmospheric CO2...........

In this work, using a simple time - dependent 1D model, we demonstrate that radiative cloud feedback can drive spontaneous atmospheric variabilities in both temperature and cloud structures under conditions appropriate for brown dwarfs and directly imaged EGPs.

... The Earth's atmospheric methane concentration has increased by about 150 % since 1750, and it accounts for 20 % of the total radiative forcing from all of the long - lived and globally mixed greenhouse gases (these gases don't include water vapor which is by far the largest component of the greenhouse effect).

Areas of expertise: Satellite remote sensing, atmospheric aerosols, climatology, radiative forcing

Here we apply a «state of the art» atmospheric chemistry transport model to show that large emissions of CH4 would likely have an unexpectedly large impact on the chemical compositioof the atmosphere and on radiative forcing (RF).

The top priorities should be reducing uncertainties in climate sensitivity, getting a better understanding of the effect of climate change on atmospheric circulation (critical for understanding of regional climate change, changes in extremes) and reducing uncertainties in radiative forcing — particularly those associated with aerosols.

The radiative effect of clouds on the shortwave fluxes is computed as a seasonally varying (but fixed from one year to the next) and spatially varying atmospheric albedo.

Ice sheet albedo forcing is estimated to have caused a global mean forcing of about — 3.2 W m — 2 (based on a range of several LGM simulations) and radiative forcing from increased atmospheric aerosols (primarily dust and vegetation) is estimated to have been about — 1 W m — 2 each.

A clear explanation of radiative forcing, CO2 infrared opacity and how additional atmospheric CO2 will contribute to significant warming would be important to many of trying to explain the physics of global warming.

It's something of an abstract concept, but with real world implications, and the universality of such physical models, based on things like radiative balance, atmospheric composition and density, distance from the local Sun, etc., is a very strong argument in favor of general acceptance of the results of climate models and observations on Earth.

Despite your insistence otherwise, you evince at best a shallow understanding of basic principles of climate science (hint: while radiative forcing is known to be at least partially controlled by atmospheric CO2, no «natural», i.e. internal source of variability has been demonstrated that could drive a global temperature trend for half a century), as well as an inability to recognize genuine expertise.

The largest contribution to total radiative forcing is caused by the increase in the atmospheric concentration of CO2 since 1750.

If just 10 % of the ocean hydrate reservoir were to escape to the atmosphere within a few years, it would be the radiative equivalent of a ten times increase in atmospheric CO2, truly catastrophic.

Presumably the water vapour feedback in models is dealt with by determining / estimating / calculating the radiative forcing from water vapour and then making some assumption about the water vapour response to atmospheric warming (e.g. assuming constant relative humidity).

For these types of radiative climate forcings the atmospheric temperature profile will be shifted basically unchanged to its new equilibrium position.

Small changes in oceanic or atmospheric circulation due to small changes in radiative equilibrium may translate in flooding here and drying there, warming here and cooling there, etc..