59 research outputs found
Differences between students and physicians in their entitlement towards procedural skills education – a needs assessment of skills training in internal medicine
Objective: Procedural skills education has a high priority for medical students. However, it is not clear what kind of skills they consider important and whether their perception differs from the physicians’ view
Barriers and opportunities for implementation of a brief psychological intervention for post-ICU mental distress in the primary care setting – results from a qualitative sub-study of the PICTURE trial
Overview of the MOSAiC expedition: Physical oceanography
Arctic Ocean properties and processes are highly relevant to the regional and global coupled climate system,
yet still scarcely observed, especially in winter. Team OCEAN conducted a full year of physical oceanography
observations as part of the Multidisciplinary drifting Observatory for the Study of the Arctic Climate
(MOSAiC), a drift with the Arctic sea ice from October 2019 to September 2020. An international team
designed and implemented the program to characterize the Arctic Ocean system in unprecedented detail, from
the seafloor to the air-sea ice-ocean interface, from sub-mesoscales to pan-Arctic. The oceanographic
measurements were coordinated with the other teams to explore the ocean physics and linkages to the
climate and ecosystem. This paper introduces the major components of the physical oceanography program
and complements the other team overviews of the MOSAiC observational program. Team OCEAN’s sampling
strategy was designed around hydrographic ship-, ice- and autonomous platform-based measurements to
improve the understanding of regional circulation and mixing processes. Measurements were carried out
both routinely, with a regular schedule, and in response to storms or opening leads. Here we present alongdrift time series of hydrographic properties, allowing insights into the seasonal and regional evolution of the
water column from winter in the Laptev Sea to early summer in Fram Strait: freshening of the surface,
deepening of the mixed layer, increase in temperature and salinity of the Atlantic Water. We also highlight
the presence of Canada Basin deep water intrusions and a surface meltwater layer in leads. MOSAiC most
likely was the most comprehensive program ever conducted over the ice-covered Arctic Ocean. While data
analysis and interpretation are ongoing, the acquired datasets will support a wide range of physical
oceanography and multi-disciplinary research. They will provide a significant foundation for assessing and
advancing modeling capabilities in the Arctic Ocean
Summary of AFIN measurements on Atka Bay land-fast sea ice in 2013
This field report documents the general sea-ice conditions in 2013/14, and shows preliminary results from a suite of meteorological and oceanographic measurements. The used methods included manual drillings, autonomous instrumentation (automatic weather and radiation station), thermistor chain and snow buoys. The study was performed in the framework of the Antarctic Fast Ice Network
Snow height on sea ice, meteorological conditions and drift of sea ice from autonomous measurements from buoy 2020S108, deployed during MOSAiC 2019/20
Snow height was measured by the Snow Buoy 2020S108, an autonomous platform, installed on drifting sea ice in the Arctic Ocean during MOSAiC (Leg 5) 2019/20. The resulting time series describes the evolution of snow height as a function of place and time between 30 August 2020 and 07 July 2021 in sample intervals of 1 hour. The Snow Buoy consists of four independent acoustic range finder measurements representing the area (approx. 10 m**2) around the buoy. In addition to snow height, geographic position (GPS), barometric pressure, air temperature, and surface temperature were measured. Negative values of snow height occur if surface ablation continues into the sea ice. Thus, these measurements describe the position of the sea ice surface relative to the original snow-ice interface. Differences between single sensors indicate small-scale variability of the snow pack around the buoy
Snow height on sea ice, meteorological conditions and drift of sea ice from autonomous measurements from buoy 2020S109, deployed during MOSAiC 2019/20
Snow height was measured by the Snow Buoy 2020S109, an autonomous platform, installed on drifting sea ice in the Arctic Ocean during MOSAiC (Leg 5) 2019/20. The resulting time series describes the evolution of snow height as a function of place and time between 21 September 2020 and 27 September 2020 in sample intervals of 1 hour. The Snow Buoy consists of four independent acoustic range finder measurements representing the area (approx. 10 m**2) around the buoy. In addition to snow height, geographic position (GPS), barometric pressure, air temperature, and surface temperature were measured. Negative values of snow height occur if surface ablation continues into the sea ice. Thus, these measurements describe the position of the sea ice surface relative to the original snow-ice interface. Differences between single sensors indicate small-scale variability of the snow pack around the buoy
Snow height on sea ice, meteorological conditions and drift of sea ice from autonomous measurements from buoy 2020S105, deployed during MOSAiC 2019/20
Snow height was measured by the Snow Buoy 2020S105, an autonomous platform, installed on drifting sea ice in the Arctic Ocean during MOSAiC (Leg 5) 2019/20. The resulting time series describes the evolution of snow height as a function of place and time between 21 September 2020 and 12 April 2021 in sample intervals of 1 hour. The Snow Buoy consists of four independent acoustic range finder measurements representing the area (approx. 10 m**2) around the buoy. In addition to snow height, geographic position (GPS), barometric pressure, air temperature, and surface temperature were measured. Negative values of snow height occur if surface ablation continues into the sea ice. Thus, these measurements describe the position of the sea ice surface relative to the original snow-ice interface. Differences between single sensors indicate small-scale variability of the snow pack around the buoy
Temperature in air, snow, ice, and water measured with a thermistor chain Ice Mass-balance Buoy (IMB) at Atka Bay, 2012-11-22 to 2014-02-09
Interpolated temperature and temperature rise after heating in air, snow, ice, and water measured with a thermistor chain Ice Mass-balance Buoy (IMB) at Atka Bay, 2012-11-23 to 2014-02-09
Field measurements of sea-ice thickness, snow depth, freeboard and sub-ice platelet-layer thickness on the land-fast ice of Atka Bay in 2013
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