Glacial meltwater input to the ocean around the Antarctic Peninsula: forcings and consequences
2022
Lima, Luciana S | Pezzi, Luciano P | Mata, Mauricio M | Santini, Marcelo F | Carvalho, Jonas T | Sutil, Ueslei Adriano | Cabrera, Mylene J | Rosa, Eliana B | Rodrigues, Celina C F | Vega, Ximena A | Instituto Nacional de Pesquisas Espaciais (INPE) | Instituto Nacional de Pesquisas Espaciais (INPE) | Universidade Federal do Rio Grande do Sol, Porto Allegro | Instituto Nacional de Pesquisas Espaciais (INPE) | Instituto Nacional de Pesquisas Espaciais (INPE) | Instituto Nacional de Pesquisas Espaciais (INPE) | Instituto Nacional de Pesquisas Espaciais (INPE) | Instituto Nacional de Pesquisas Espaciais (INPE) | Instituto Nacional de Pesquisas Espaciais (INPE) | Biological and Environmental Sciences
The Antarctic region has experienced recent climate and environmental variations due to climate change, such as ice sheets and ice shelves loss, and changes in the production, extension, and thickness of sea-ice. These processes mainly affect the freshwater supply to the Southern Ocean and its water masses formation and export, being crucial to changes in the global climate. Here, we review the influence of the glacial freshwater input on the Antarctic Peninsula adjacent ocean. We highlight each climate process’ relevance on freshwater contribution to the sea and present a current overview of how these processes are being addressed and studied. The increase of freshwater input into the ocean carries several implications on climate, regionally and globally. Due to glacier melting, the intrusion of colder and lighter water into the ocean increases the stratification of the water column, influencing the sea-ice increase and reducing ocean-atmosphere exchanges, affecting the global water cycle. This study shows the role of each hydrological cycle processes and their contributions to the regional oceanography and potentially to climate.
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