{"id":19199,"date":"2026-04-13T10:16:40","date_gmt":"2026-04-13T02:16:40","guid":{"rendered":"https:\/\/www.es.ntnu.edu.tw\/?p=19199"},"modified":"2026-04-13T10:30:02","modified_gmt":"2026-04-13T02:30:02","slug":"colloquium-14-apr-2026-0prof-hsin-hsu","status":"publish","type":"post","link":"https:\/\/www.es.ntnu.edu.tw\/index.php\/en\/2026\/04\/13\/colloquium-14-apr-2026-0prof-hsin-hsu\/","title":{"rendered":"Colloquium 14\/Apr\/2026 Prof. Hsin Hsu"},"content":{"rendered":"\n<p><strong>Speaker: Prof. Hsin Hsu \u5f90\u8f9b<\/strong> (International Degree Program in Climate Change and Sustainable Development, National Taiwan University)<\/p>\n\n\n\n<p><strong>Title: Soil Moisture Regimes as a Framework to Understand Hydroclimate Change and Extremes<\/strong><\/p>\n\n\n\n<p>Time: 02:20pm\u00a0Tuesday 14\/Apr\/2026<\/p>\n\n\n\n<p>Venue: Room S101, 1F, Lecture Hall (G112)<\/p>\n\n\n\n<p>Abstract: <\/p>\n\n\n\n<p>Recognizing soil moisture regimes provides a fundamental framework for understanding hydroclimate dynamics. The relationship between soil moisture and evapotranspiration is inherently nonlinear, with dry, transitional, and wet regimes defined by whether land-surface fluxes are limited primarily by water availability or by energy. These regimes play a central role in regulating how the land surface modulates climate variability and extremes. The rapidly expanding availability of daily records of soil moisture, surface heat fluxes, and near-surface atmospheric states has enabled the development of data-driven approaches to track soil moisture regimes. Through the recognition of soil moisture regimes, substantial progress has been made in understanding land\u2013climate interactions, hydroclimate change, and associated dry-hot extremes in past few years.<\/p>\n\n\n\n<p>In this talk, I will discuss: (1) recent approaches for diagnosing soil moisture regimes and the associated metrics derived from these diagnostics; (2) how soil moisture regimes, and their control on evapotranspiration, shape historically significant compound hot\u2013dry extreme events; (3) a new empirical framework that bypasses explicit soil moisture regime classification to interpret changes in historical evapotranspiration; and (4) my perspectives on future research directions related to soil moisture regimes and changing evapotranspiration.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Speaker: Prof. Hsin Hsu \u5f90\u8f9b (International Degree Progra 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