Pierre-Arnaud Desiage

Pierre-Arnaud Desiage
Natural Resources Canada | NRCan · Geological Survey of Canada

PhD

About

9
Publications
2,299
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45
Citations

Publications

Publications (9)
Conference Paper
Full-text available
We release images of the submarine bottom from the northern sector of the Golfo San Jorge, within the Southern Patagonia Coastal Marine Interjurisdictional Park (PIMCPA for its initials in Spanish). The images were obtained through a high-resolution multi-beam echo sounder Kongsberg Maritime EM 2040 during the 2014 oceanographic campaign of the R/V...
Article
Three sediment cores recovered on the lower slope of the continental shelf in western Baffin Bay (Arctic Canada) as well as swath bathymetry and subbottom profiler data collected on the shelf and slope of the region were analysed to investigate whether the Laurentide Ice Sheet (LIS) reached the shelf edge offshore Home Bay during the Last Glacial M...
Article
Full-text available
Three sediment cores recovered on the lower slope of the continental shelf in western Baffin Bay (Arctic Canada) as well as swath bathymetry and subbottom profiler data collected on the shelf and slope of the region were analysed to investigate whether the Laurentide Ice Sheet (LIS) reached the shelf edge offshore Home Bay during the Last Glacial M...
Article
Full-text available
The Gulf of San Jorge (GSJ) is a semicircular basin, approximately 160 km long and 250 km wide, located in the central part of Patagonia between 45°S and 47°S, lacking any present-day major perennial tributaries. The grain size and bulk and clay mineralogical compositions as well as major and minor elements of 75 surface sediment samples from the G...
Article
Full-text available
Mineralogical, geochemical, magnetic, and siliciclastic grain-size signatures of 34 surface sediment samples from the Mackenzie-Beaufort Sea Slope and Amundsen Gulf were studied in order to better constrain the redox status, detrital particle provenance, and sediment dynamics in the western Canadian Arctic. Redox-sensitive elements (Mn, Fe, V, Cr,...
Poster
The Argentine Continental Shelf (ACS) extends along a relatively stable continental margin at the intersection of the present Antarctic ice sheet and the relic of the former Patagonian ice sheet. This provides a preferential area to study the Quaternary sea-level fluctuations and to analyse the impact of ice extent variations on sedimentary process...

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