“Widespread enhance” in plant transpiration attributable to rising CO2 concentrations – What’s occurring?
From the NoTricksZone
By Kenneth Richard on August 1, 2024
“…higher CO2 levels in the atmosphere…leads to…increased vegetation production and a greener landscape” – Chen et al., 2024
Transpiration of plants is crucial for their growth and terrestrial ecosystems.
The increasing CO2 trend over the last 30 years (1990–2020) was the main driver of the greening of our planet or the increase in the leaf area index (LAI).
Greening, in turn, is largely responsible for the general increase in plant transpiration during this period.
These increased trends towards greening and plant transpiration are expected to continue unabated until 2100 and even accelerate as emissions increase.
“The results of trend attribution analysis show that the change in leaf area index (LAI) can explain 66.2% of the global PT trend, suggesting that the increased LAI due to global greening is the dominant factor contributing to the upward trend of global PT. The increased LAI can be largely attributed to the CO2 fertilization effect caused by the increased CO2 concentration in the atmosphere.”
Image source: Chen et al., 2024
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