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- W4385173610 abstract "The spatiotemporal evolution of marine heatwaves (MHWs) is explored using a tracking algorithm termed Ocetrac that provides objective characterization of MHW spatiotemporal evolution. Candidate MHW grid points are defined in detrended gridded sea temperature data using a seasonally varying temperature threshold. Identified MHW points are collected into spatially distinct objects using edge detection with weak sensitivity to edge detection and size threshold criteria. These MHW objects are followed in space and time while allowing objects to split and merge. Ocetrac is applied to monthly satellite sea surface temperature data from September 1981 through January 2021. The resulting MHWs are characterized by their intensity, duration, and total area covered. The global analysis shows that MHWs in the Gulf of Maine and Mediterranean Sea evolve within a relatively small region, while major MHWs in the Pacific and Indian Oceans are linked in space and time. The largest and most long lasting MHW using this method lasts for 60 months from November 2013 to October 2018, encompassing previously identified MHW events including those in the Northeast Pacific (2014-2015), the Tasman Sea (2015-2016, 2017-2018), and the Great Barrier Reef (2016)." @default.
- W4385173610 created "2023-07-24" @default.
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- W4385173610 date "2023-07-23" @default.
- W4385173610 modified "2023-09-27" @default.
- W4385173610 title "Spatiotemporal Evolution of Marine Heatwaves Globally" @default.
- W4385173610 doi "https://doi.org/10.22541/essoar.169008275.57053412/v1" @default.
- W4385173610 hasPublicationYear "2023" @default.
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