the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Carbon cycle extremes accelerate weakening of the land carbon sink in the late 21st century
Bharat Sharma
Jitendra Kumar
Auroop R. Ganguly
Forrest M. Hoffman
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Plants send about a third of their captured carbon below ground, to roots and soil fungi that take up water and nutrients. Most climate models still treat the entire root system as one uniform mass. We built a new land-model version that separates roots into three types: transport roots, absorptive roots, and fungal partners. Tested at twenty sites worldwide, it cut errors in simulated ecosystem carbon exchange by more than half, sharpening projections of how land will respond to climate change.
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