Introduction: SIPEX-2: a study of sea-ice physical, biogeochemical and ecosystem processes off East Antarctica during spring 2012

This editorial introduces a suite of articles resulting from the second Sea Ice Physics and Ecosystems eXperiment (SIPEX-2) voyage by presenting some background information on the study area and Antarctic sea-ice conditions, and summarising the key findings from the project. Using the Australian iceb...

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Bibliographic Details
Published in:Deep Sea Research Part II: Topical Studies in Oceanography
Main Authors: Meiners, KM, Golden, KM, Heil, P, Lieser, JL, Massom, R, Meyer, B, Williams, GD
Format: Article in Journal/Newspaper
Language:English
Published: Pergamon-Elsevier Science Ltd 2016
Subjects:
Earth Sciences
Physical Geography and Environmental Geoscience
Physical Geography and Environmental Geoscience not elsewhere classified
Antarctic
East Antarctica
Southern Ocean
Antarc*
Antarctica
aurora australis
Sea ice
Online Access:http://dx.doi.org/
https://doi.org/10.1016/j.dsr2.2016.06.010
http://ecite.utas.edu.au/110016
Description
Summary:This editorial introduces a suite of articles resulting from the second Sea Ice Physics and Ecosystems eXperiment (SIPEX-2) voyage by presenting some background information on the study area and Antarctic sea-ice conditions, and summarising the key findings from the project. Using the Australian icebreaker RV Aurora Australis , SIPEX-2 was conducted in the area between 115 125E and 6266S off East Antarctica during September to November 2012. This region had been sampled during two previous experiments, i.e. ARISE in 2003 (Massom et al., 2006a) and SIPEX in 2007 (Worby et al., 2011a). The 2012 voyage combined traditional and newly developed sampling methods with satellite and other data to measure sea-ice physical properties and processes on large scales, which provided context for biogeochemical and ecological case studies. The specific goals of the SIPEX-2 project were to: (i) measure the spatial variability in sea-ice and snow-cover properties over small- to regional-length scales; (ii) improve understanding of sea-ice kinematic processes; and (iii) advance knowledge of the links between sea-ice physical characteristics, sea-ice biogeochemical cycling and ice-associated food- web dynamics. Our field-based activities were designed to inform modelling approaches and to improve our capability to assess impacts of predicted changes in Antarctic sea ice on Southern Ocean biogeochemical cycles and ecosystem function.

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