WITHDRAWN: Antarctic Greening and Its Drivers

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Abstract

Abstract Despite increasing interest, the spatiotemporal dynamics and drivers of Antarctic greenness remain unclear. Using 22 years of satellite data (2002-2023), we provide the first continent-wide assessment, revealing a rise in greenness from 7,356 to 11,219 km²-equivalent pixels and a lengthening of the mean annual greenness duration from 22.6 to 32.4 days. Contrary to conventional assumptions, declining ultraviolet radiation and rising soil moisture, rather than temperature, are the dominant continental-scale drivers. Notably, the reduction in UV radiation, which shapes the current pattern of greenness across Antarctica, is itself a result of global anthropogenic intervention, reflecting the success of international efforts like the Montreal Protocol to repair the ozone layer. Regionally, greenness is shaped by habitat availability in East Antarctica and by interacting climate factors in the Antarctic Peninsula. These results highlight that Antarctic greening stems from diverse, biogeographic region-specific processes and offer a baseline for monitoring future change in this uniquely important continent.
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Therefore, the authors do not wish this work to be cited as a reference. Editorial notes are used to provide important context regarding the topic of a preprint or to alert readers to potential issues concerning that preprint or a downstream publication associated with it. For more information on editorial notes, see our Editorial Policies . Abstract The full text of this preprint has been withdrawn by the authors in order to comply with an institutional policy on preprints. Therefore, the authors do not wish this work to be cited as a reference. Earth and environmental sciences/Ecology/Climate-change ecology Biological sciences/Ecology/Biogeography Scientific community and society/Geography Biological sciences/Ecology/Ecosystem ecology Earth and environmental sciences/Climate sciences/Cryospheric science Full Text Additional Declarations There is NO Competing Interest. Cite Share Download PDF Status: Posted Version 2 posted You are reading this latest preprint version Show more versions Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. 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