Features and trends of marine heat waves and marine cold spells along the Western Iberian Coast from four decades of satellite data
Beatriz Biguino, Ivan D. Haigh, João Miguel Dias, Ana C. Brito
TL;DR
This study compares marine heat waves and cold spells along the Western Iberian Coast using satellite data from 1982 to 2022.
Contribution
It provides the first detailed comparison of marine heat waves and cold spells in the region, highlighting their spatial patterns and trends.
Findings
The Western Iberian Coast experienced more marine cold spells than heat waves, with lower intensities.
Coastal regions between Minho and Douro Estuaries showed favorable conditions for marine cold spells.
Near the coastline, marine cold spells increased by 0.06 events per year.
Abstract
Marine Heat Waves (MHWs) have been the focus of numerous studies due to the dramatic consequences they can have on coastal systems. However, Marine Cold Spells (MCSs) can also have harmful effects on the environment while play an important role in the context of global warming. Yet, there is lack of information on the physical attributes and long-term changes of MCSs. This study aims to investigate and compare the features and patterns of both MHWs and MCSs along the Western Iberian Coast (WIC) and its estuaries using satellite-derived Sea Surface Temperatures between 1982 and 2022. Overall, the WIC registered more MCSs than MHWs, although with lower intensities. The coastal region between Minho and Douro Estuaries and Cape São Vicente were favorable for MCSs development. The coastal regions of Minho through Aveiro and the south coast of Portugal registered MCSs and MHWs with the…
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Taxonomy
TopicsOceanographic and Atmospheric Processes · Climate variability and models · Tropical and Extratropical Cyclones Research