A novel hydrographic gridded data set for the northern Antarctic Peninsula

Dotto, Tiago S., Mata, Mauricio M., Kerr, Rodrigo and Garcia, Carlos A. E. (2021) A novel hydrographic gridded data set for the northern Antarctic Peninsula. Earth System Science Data, 13 (2). pp. 671-696. ISSN 1866-3516

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Abstract

The northern Antarctic Peninsula (NAP) is a highly dynamic transitional zone between the subpolarpolar and oceanic-coastal environments, and it is located in an area affected by intense climate change, including intensification and spatial shifts of the westerlies as well as atmospheric and oceanic warming. In the NAP area, the water masses originate mainly from the Bellingshausen and Weddell seas, which create a marked regional dichotomy thermohaline characteristic. Although the NAP area has relatively easy access when compared to other Southern Ocean environments, our understanding of the water masses distribution and the dynamical processes affecting the variability of the region is still limited. That limitation is closely linked to the sparse data coverage, as is commonly the case in most Southern Ocean environments. This work provides a novel seasonal three-dimensional high-resolution hydrographic gridded data set for the NAP (version 1), namely the NAPv1.0. Hydrographic measurements from 1990 to 2019 comprising data collected by conductivity, temperature, depth (CTD) casts; sensors from the Marine Mammals Exploring the Oceans Pole to Pole (MEOP) consortium; and Argo floats have been optimally interpolated to produce maps of in situ temperature, practical salinity, and dissolved oxygen at 10 km spatial resolution and 90 depth levels. The water masses and oceanographic features in this regional gridded product are more accurate than other climatologies and state estimate products currently available. The data sets are available in netCDF format at https://doi.org/10.5281/zenodo.4420006 (Dotto et al., 2021). The novel and comprehensive data sets presented here for the NAPv1.0 product are a valuable tool to be used in studies addressing climatological changes in the unique NAP region since they provide accurate initial conditions for ocean models and improve the end of the 20th-And early 21st-century ocean mean-state representation for that area.

Item Type: Article
Uncontrolled Keywords: earth and planetary sciences(all) ,/dk/atira/pure/subjectarea/asjc/1900
Faculty \ School: Faculty of Science > School of Environmental Sciences
Related URLs:
Depositing User: LivePure Connector
Date Deposited: 28 Jul 2021 00:44
Last Modified: 10 Aug 2021 01:27
URI: https://ueaeprints.uea.ac.uk/id/eprint/80772
DOI: 10.5194/essd-13-671-2021

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