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<front>
<journal-meta>
<journal-id journal-id-type="publisher">ESSDD</journal-id>
<journal-title-group>
<journal-title>Earth System Science Data Discussions</journal-title>
<abbrev-journal-title abbrev-type="publisher">ESSDD</abbrev-journal-title>
<abbrev-journal-title abbrev-type="nlm-ta">Earth Syst. Sci. Data Discuss.</abbrev-journal-title>
</journal-title-group>
<issn pub-type="epub">1866-3591</issn>
<publisher><publisher-name></publisher-name>
<publisher-loc>Göttingen, Germany</publisher-loc>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="doi">10.5194/essd-2025-725</article-id>
<title-group>
<article-title>MLAWind: A Monthly Sea Surface Wind Dataset Derived from an Interpretable Machine Learning Approach Integrating In-Situ Observations and Satellite Data</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Guo</surname>
<given-names>Weihao</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Zhang</surname>
<given-names>Rongwang</given-names>
<ext-link>https://orcid.org/0000-0001-6870-474X</ext-link>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Wang</surname>
<given-names>Xin</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Wang</surname>
<given-names>Dongxiao</given-names>
</name>
<xref ref-type="aff" rid="aff4">
<sup>4</sup>
</xref>
<xref ref-type="aff" rid="aff5">
<sup>5</sup>
</xref>
</contrib>
</contrib-group><aff id="aff1">
<label>1</label>
<addr-line>State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese  Academy of Sciences, Guangzhou, 510301, China</addr-line>
</aff>
<aff id="aff2">
<label>2</label>
<addr-line>Global Ocean and Climate Research Center, South China Sea Institute of Oceanology, Chinese Academy  of Sciences, Guangzhou, 510301, China</addr-line>
</aff>
<aff id="aff3">
<label>3</label>
<addr-line>Guangdong Key Laboratory of Ocean Remote Sensing and Big Data, South China Sea Institute of  Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China</addr-line>
</aff>
<aff id="aff4">
<label>4</label>
<addr-line>School of Marine Sciences, Sun Yat-Sen University, Zhuhai, 519082, China</addr-line>
</aff>
<aff id="aff5">
<label>5</label>
<addr-line>Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519080, China</addr-line>
</aff>
<pub-date pub-type="epub">
<day>13</day>
<month>02</month>
<year>2026</year>
</pub-date>
<volume>2026</volume>
<fpage>1</fpage>
<lpage>33</lpage>
<permissions>
<copyright-statement>Copyright: &#x000a9; 2026 Weihao Guo et al.</copyright-statement>
<copyright-year>2026</copyright-year>
<license license-type="open-access">
<license-p>This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this licence, visit <ext-link ext-link-type="uri"  xlink:href="https://creativecommons.org/licenses/by/4.0/">https://creativecommons.org/licenses/by/4.0/</ext-link></license-p>
</license>
</permissions>
<self-uri xlink:href="https://essd.copernicus.org/preprints/essd-2025-725/">This article is available from https://essd.copernicus.org/preprints/essd-2025-725/</self-uri>
<self-uri xlink:href="https://essd.copernicus.org/preprints/essd-2025-725/essd-2025-725.pdf">The full text article is available as a PDF file from https://essd.copernicus.org/preprints/essd-2025-725/essd-2025-725.pdf</self-uri>
<abstract>
<p>A gridded sea surface wind dataset with long temporal coverage is crucial for understanding atmospheric circulation changes and air-sea interactions at different time scales. This study employs an interpretable machine learning model based on random forest algorithm to generate a 1&amp;deg;&amp;times;1&amp;deg; monthly sea surface wind dataset (MLAWind) from 1950 to 2023, covering the near-global ocean within 60&amp;deg; S&amp;ndash;60&amp;deg; N. The data reconstruction model integrates the Cross-Calibrated Multi-Platform (CCMP) satellite data and the spatially sparse long-term International Comprehensive Ocean-Atmosphere Data Set (ICOADS), exhibiting robust interpretability and generalization capability. Evaluations demonstrate that the MLAWind dataset exhibits better agreement with remote sensing observations than existing reanalysis datasets during the training period (1993&amp;ndash;2022), while maintaining robust performance during the independent testing period in 2023. Moreover, the performance of MLAWind since 1950 is assessed across multiple time scales. Its characteristics in climatology, annual cycle, and inter-annual variability are comparable to those of existing reanalysis datasets, even during the non-satellite period prior to 1993. Uncertainties remain in the long-term trends of different datasets. The trend derived from MLAWind is corroborated by independent coral records during 1950&amp;ndash;1982, which demonstrates its strong capability in reconstructing historical sea surface wind variations. The results indicate that MLAWind serves as a reliable data resource for global climate change research. The reconstructed MLAWind dataset is publicly accessible at &lt;a href=&quot;https://doi.org/10.5281/zenodo.17354864&quot; target=&quot;_blank&quot; rel=&quot;noopener&quot;&gt;https://doi.org/10.5281/zenodo.17354864&lt;/a&gt; (Guo et al., 2025b).</p>
</abstract>
<counts><page-count count="33"/></counts>
<funding-group>
<award-group id="gs1">
<funding-source>National Natural Science Foundation of China</funding-source>
<award-id>42330404</award-id>
</award-group>
<award-group id="gs2">
<funding-source>National Key Research and Development Program of China</funding-source>
<award-id>2022YFF0801400</award-id>
</award-group>
<award-group id="gs3">
<funding-source>National Natural Science Foundation of China</funding-source>
<award-id>42376027</award-id>
</award-group>
<award-group id="gs4">
<funding-source>National Natural Science Foundation of China</funding-source>
<award-id>42406197</award-id>
</award-group>
<award-group id="gs5">
<funding-source>South China Sea Institute of Oceanology, Chinese Academy of Sciences</funding-source>
<award-id>SCSIO2023QY01</award-id>
</award-group>
</funding-group>
</article-meta>
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