Posted by Co2sceptic on Apr 10th 2013
views 867,226
Neutralizing Radiative Imbalances Within Convecting Atmospheres

From the joannenova.com.au site 3rd October 2015, click the source link at the bottom of this posting to read FULL Article

This article sets out a simple mechanism whereby planetary atmospheres can be rendered thermally stable over time despite huge variations in the atmospheric content of radiatively active molecules such as greenhouse gases, material released by volcanic outbreaks of a vast size, and material vaporized in large asteroid or meteor strikes.

It is established science that convective adjustments can stabilise or neutralise radiative imbalances:

“Radiative equilibrium profile could be unstable; convection restores it to stability (or neutrality)”

and:

Note that the hydrostatic equation depicts the vertical balance of force for a piece of fluid at rest. The balance is between the upward pressure gradient force and downward gravitational force The hydrostatic equation is the vertical component of the momentum equation (Newton’s equation of motion) for the fluid parcel when the forces are in prefect balance and the net acceleration = 0.”

Readers could study that lecture since it explains the concept of hydrostatic balance within atmospheres.

It appears that those climate scientists who apply the radiative gases theory of climate change have overlooked the means by which convection neutralizes radiative imbalances.

Let’s start by looking closely at the tropopause, which is known to undulate upwards above rising air masses and downwards above falling air masses. The height of the tropopause is set by ozone in the stratosphere reacting directly with incoming solar energy so as to create a temperature inversion that blocks further upward convection.

Click the joannenova.com.au link at the bottom of this posting to read FULL Article


Also read the following article by Stephen Wilde at the hockeyschtick.blogspot.co.uk

Click hockeyschtick.blogspot.co.uk link for full article http://hockeyschtick.blogspot.co.uk/2015/07/erasing-agw-how-convection-responds-to.html

How Convection Responds To Greenhouse Gases So As To Maintain The Hydrostatic Equilibrium Of An Atmosphere

Guest post by Stephen Wilde, who has been a member of the Royal Meteorological Society since 1968.

Introduction:

This article is complementary to Stephen Wilde’s earlier works at:

New Climate Model

and is consistent with the cause of the so called greenhouse effect being atmospheric mass held off a surface within a gravitational field and subjected to insolation.

Convective overturning within any horizontal layer of gases around a planet and held off the surface against the force of gravity revolves around the point where the upward pressure gradient force within the atmosphere achieves hydrostatic balance with the downward force of gravity. At that point kinetic energy (KE or heat) matches potential energy (PE which is not heat) in any molecules present.

http://www.public.asu.edu/~hhuang38/mae578_lecture_06.pdf

It is Earth’s surface temperature enhancement of 33K above the temperature predicted by radiative physics that provides the kinetic energy required at the surface to maintain the upward pressure gradient force. That kinetic energy is locked into constant convective overturning and cannot be radiated to space without the mass of the atmosphere falling to the surface.
Read more: Stephen Wilde