Offshore wind profile stratification effects on energy production estimates in Southeast Brazil

Offshore wind profile stratification effects on energy production estimates in Southeast Brazil | 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 Research Article Offshore wind profile stratification effects on energy production estimates in Southeast Brazil yoshiaki sakagami, Adriane Petry Prisco, Jussara Mattuella, William Correia Radünz, and 7 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-5511548/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract This research examines how stratified wind profiles occur and influence energy production predictions along Brazil’s Southeast offshore. We employed a Wind LiDAR Doppler Profiler data collected up to a height of 150 m from a Floating Production Storage and Offloading vessel (FPSO) located about 190 km offshore in the pre-salt oil extraction region. The investigation focused on a notable wind profile stratification event on July 3, 2019, detailed in spatial-temporal analysis using the ERA5 dataset and simulation by the Weather Research and Forecasting (WRF) model. Moreover, we analyzed ERA5 reanalysis data on sea surface temperature (SST) and 2 m air temperature to investigate the relationship between the stratification of the wind profile and the temperature difference between the air and ocean. Wind profile stratification arises when a warm-air conveyor belt in the vanguard of the cold front passes over a relatively colder sea surface. An important finding reveals that the air and sea are locally decoupled, where stratification begins before the air surface temperature at the FPSO surpasses that of the sea surface due to the stable upstream conditions associated with the upwelling of cold water near the coast. Finally, we assess the influence of stratified wind profiles on annual energy production using three methods to estimate wind speeds from ERA5 reference altitude of 100 meters to the hub height of 150 meters, specifically for a reference 15 MW wind turbine. Our results indicate that wind profile stratification may substantially impact annual energy production projections, potentially increasing energy output estimations by 5.2%. Renewable Resources Meteorology Offshore wind energy Atmospheric Stability Stratification Wind Profile Full Text Additional Declarations The authors declare no competing interests. Cite Share Download PDF Status: Posted Version 1 posted 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. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. 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-5511548","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":381793824,"identity":"48d3d154-eef6-4c9e-8708-d91613b7cbe4","order_by":0,"name":"yoshiaki sakagami","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAyUlEQVRIiWNgGAWjYHACNoaECgl+MJOHgSGBSC1nJCQbSNPC2MZAghaD4+3PHjycZyEh336A8cHbNoY88wZCWs6cMTdI3CYhYXAmgdlwbhtDscwBQlpu5LBJALXUGUgwsEnztjEkziDosBvpzyQS50hIyM9gYP9NpJYEM4nEBgkJhhsMbMxEaZE8c8ZMIuEYyC+JzZJzzkkUSxDSwgcMMckfNXXAEDt88MObMps8gloUDsCZjA1AgqAGBgb5BsJqRsEoGAWjYKQDAGCVOxqu4XRdAAAAAElFTkSuQmCC","orcid":"","institution":"Federal Institute of Santa Catarin","correspondingAuthor":true,"prefix":"","firstName":"yoshiaki","middleName":"","lastName":"sakagami","suffix":""},{"id":381794124,"identity":"331b9768-8480-4d19-aa20-fe70d29336f8","order_by":1,"name":"Adriane Petry Prisco","email":"","orcid":"","institution":"Federal University of Rio Grande do Sul","correspondingAuthor":false,"prefix":"","firstName":"Adriane","middleName":"Petry","lastName":"Prisco","suffix":""},{"id":381794125,"identity":"9f17b0d5-d85d-460e-a715-dcd709504bbd","order_by":2,"name":"Jussara Mattuella","email":"","orcid":"","institution":"Núcleo de Integração de Estudos, Pesquisa e Inovação em Energia Eólica-NIEPIEE","correspondingAuthor":false,"prefix":"","firstName":"Jussara","middleName":"","lastName":"Mattuella","suffix":""},{"id":381794126,"identity":"460ca626-7e81-4c5b-a064-3c198e465757","order_by":3,"name":"William Correia Radünz","email":"","orcid":"","institution":"University of São Paulo","correspondingAuthor":false,"prefix":"","firstName":"William","middleName":"Correia","lastName":"Radünz","suffix":""},{"id":381794127,"identity":"56976846-b737-4947-9800-673680a1d9ee","order_by":4,"name":"Amanda M. 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We employed a Wind LiDAR Doppler Profiler data collected up to a height of 150 m from a Floating Production Storage and Offloading vessel (FPSO) located about 190 km offshore in the pre-salt oil extraction region. The investigation focused on a notable wind profile stratification event on July 3, 2019, detailed in spatial-temporal analysis using the ERA5 dataset and simulation by the Weather Research and Forecasting (WRF) model. Moreover, we analyzed ERA5 reanalysis data on sea surface temperature (SST) and 2 m air temperature to investigate the relationship between the stratification of the wind profile and the temperature difference between the air and ocean. Wind profile stratification arises when a warm-air conveyor belt in the vanguard of the cold front passes over a relatively colder sea surface. 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