Impact of Land Use Changes and Global Warming on Extreme Precipitation Patterns in the Maritime Continent

Impact of Land Use Changes and Global Warming on Extreme Precipitation Patterns in the Maritime Continent | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article Impact of Land Use Changes and Global Warming on Extreme Precipitation Patterns in the Maritime Continent Min-Hui Lo, Jie Hsu, Chao-An Chen, Chia-Wei Lan, Chun-Lien Chiang, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-5026390/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 07 Jan, 2025 Read the published version in npj Climate and Atmospheric Science → Version 1 posted 4 You are reading this latest preprint version Abstract Land use changes (LUC) and global warming (GW) significantly affect the climate and hydrological dynamics of the Maritime Continent (MC), yet their impacts on extreme precipitation events remain understudied. This study investigates how LUC and GW influence wet and dry extremes in the MC, using advanced climate model simulations. We find that LUC-induced deforestation increases surface warming, enhancing atmospheric instability and favoring local convection, which leads to more frequent heavy precipitation. Meanwhile, GW amplifies the atmosphere’s water-holding capacity, further intensifying precipitation extremes. Our findings reveal a "wet-get-wetter, dry-get-drier" pattern driven by different mechanisms: dynamic processes primarily influence wet extremes under LUC, while changes in evapotranspiration control dry extremes. In contrast, under GW, wet extremes are driven by dynamic process, while dry extremes are influenced by reduced moisture availability and weakened atmospheric circulation. These findings imply the need for climate adaptation and land management strategies to mitigate the increasing risk of extreme weather in this sensitive region. Earth and environmental sciences/Climate sciences Earth and environmental sciences/Hydrology Full Text Additional Declarations No competing interests reported. Supplementary Files 202408LUCGWextremesSI.pdf Cite Share Download PDF Status: Published Journal Publication published 07 Jan, 2025 Read the published version in npj Climate and Atmospheric Science → Version 1 posted Editorial decision: Revision requested 17 Sep, 2024 Editor assigned by journal 09 Sep, 2024 Submission checks completed at journal 09 Sep, 2024 First submitted to journal 03 Sep, 2024 You are reading this latest preprint version 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. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-5026390","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":355356866,"identity":"f4b0bede-790f-461f-94d9-1137b9f9e43d","order_by":0,"name":"Min-Hui 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