A study published in 2024 PNAS The reconfirmed climate model failed to simulate relevant underlying climate change variables in the real world, such as the most important greenhouse gases on Earth (due to its allegedly enhanced “feedback” capabilities). [emphasis, links added]
According to the results of global warming caused by carbon dioxide, specific humidity (SH) should increase according to the latest climate model.
However, 40 years of observations (1980-) show that SH trends in arid/semiari regions have not increased.
Moreover, according to the latest climate model, relative humidity (RH) should remain relatively constant, even if not due to CO2-induced global warming without a slight decline.
But 40 years of observation (1980-) did not show slight The trend declines, but the trend declines “around order of magnitude more than the average model.”
in other words, The climate model has 10 times the error.
The authors did not underestimate the massive nature of these climate modeling failures.
“This represents a major gap in our understanding and climate model fidelity that must be understood and fixed as soon as possible in order to provide reliable hydrogenation climate predictions for arid/semi-arid areas in the coming decades.”
Now, a new study reaffirms that since 2008, an “unexpected” decline in ocean evaporation (accounting for the derivation of global atmospheric water vapor), or “turning point” (TP) years.
These reliable results confirm that a decline in ocean evaporation (EO) or two-thirds of the global water vapor trend (mainly in the Southern Hemisphere) can be found in all four satellite datasets used for the study.
It should be noted that in 2020, Dr. Koutsoyiannis published a paper showing that since 2008, 1980, and even the late 1940s, as climate models predicted, trends in specific humidity worldwide have not increased.
Observations seem to be inadequately collaborative with the narrative of “water vapor feedback.”
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