Let's examine the magnitude of earths natural climate cycles and natural processes
Here is an assessment of the magnitude and direction of the various forcings that affect the climate.
The x-axis shows the units of radiative forcing in watts/sq. meter
The oceans on earth account for roughly 90% of earths atmospheric temperature. The oceans have massive thermal inertia, and require massive amounts of energy in order to change their temperature (from cooling down trend or from a warming up trend) - and it will take an extremely long time to thermally change by heat input from only 120 ppm additional CO2 in earth's atmosphere - that amount of heat input to change the ocean's direction and rate of heating would be an extremely slow event. Meanwhile the oceans would dominate the atmospheric temperature during that lengthy period.
This is a somewhat oversimplified version of what role the oceans play. Almost no one who actually studies oceanography would think of the ocean as a simple block of water like some sort of giant heat sink. The oceans are dynamic and have a lot of currents moving energy around.
According to NOAA:
Climate is largely a story of how heat is transported from the tropics to the pole. The task of transporting heat from the tropics to the pole is accomplished by circulations in the atmosphere and currents in the ocean .The motions in the atmosphere and the currents in the ocean are not independent of, but strongly coupled to each other as the atmosphere and ocean exchanges heat, water, momentum, and biochemical species. The processes that enable the state of the atmosphere and the state of the ocean to mutually influence each other are referred to as ocean-atmosphere coupling. Ocean-atmosphere coupling is a major cause of climate variability, such as the El Nino Southern Oscillation (ENSO). Current research in this area is focused on the coupling between the atmosphere and ocean over the Pacific region. We are particularly interested in the following questions: why is there ENSO, what causes the level of ENSO activity to vary, how ENSO responds to global warming, and what is the role of ENSO in the stability and sensitivity of the climate system? (SOURCE)
The IPCC has an extensive discussion of what is known and still debated about the coupled ocean-atmosphere system. You can read it here: 1.4.6 Ocean and Coupled Ocean-Atmosphere Dynamics - AR4 WGI Chapter 1: Historical Overview of Climate Change Science
Presenting that 120 ppm additional CO2 in the earths atmosphere as the most dominate first order factor controlling the earth and the oceans temperatures is misinformation and poor science.
Apparently not according to the scientists.
D). Downdwelling LWIR from GHG (like CO2) cannot penetrate the oceans surface more than 1 to 2 millimeters.
While the IR may not penetrate very deeply remember that the oceans are not homogenous blocks of water. They have CURRENTS and upwelling and downwelling.
Anyone who studies oceanography knows this. This is part and parcel of how energy within the oceans is transported.
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