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Trends and variability of the atmosphere–ocean turbulent heat flux in the extratropical Southern Hemisphere

Overview of attention for article published in Scientific Reports, October 2015
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Title
Trends and variability of the atmosphere–ocean turbulent heat flux in the extratropical Southern Hemisphere
Published in
Scientific Reports, October 2015
DOI 10.1038/srep14900
Pubmed ID
Authors

Agnieszka Herman

Abstract

Ocean-atmosphere interactions are complex and extend over a wide range of temporal and spatial scales. Among the key components of these interactions is the ocean-atmosphere (latent and sensible) turbulent heat flux (THF). Here, based on daily optimally-interpolated data from the extratropical Southern Hemisphere (south of 30°S) from a period 1985-2013, we analyze short-term variability and trends in THF and variables influencing it. It is shown that, in spite of climate-change-related positive trends in surface wind speeds over large parts of the Southern Ocean, the range of the THF variability has been decreasing due to decreasing air-water temperature and humidity differences. Occurrence frequency of very large heat flux events decreased accordingly. Remarkably, spectral analysis of the THF data reveals, in certain regions, robust periodicity at frequencies 0.03-0.04 day(-1), corresponding exactly to frequencies of the baroclinic annular mode (BAM). Finally, it is shown that the THF is correlated with the position of the major fronts in sections of the Antarctic Circumpolar Current where the fronts are not constrained by the bottom topography and can adjust their position to the atmospheric and oceanic forcing, suggesting differential response of various sections of the Southern Ocean to the changing atmospheric forcing.

Twitter Demographics

The data shown below were collected from the profiles of 2 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 45 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Switzerland 1 2%
Unknown 44 98%

Demographic breakdown

Readers by professional status Count As %
Student > Master 20 44%
Student > Ph. D. Student 8 18%
Researcher 7 16%
Student > Doctoral Student 3 7%
Unspecified 1 2%
Other 3 7%
Unknown 3 7%
Readers by discipline Count As %
Earth and Planetary Sciences 35 78%
Environmental Science 3 7%
Computer Science 1 2%
Business, Management and Accounting 1 2%
Unspecified 1 2%
Other 2 4%
Unknown 2 4%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 10 October 2015.
All research outputs
#4,609,768
of 6,232,855 outputs
Outputs from Scientific Reports
#16,003
of 21,885 outputs
Outputs of similar age
#132,078
of 194,134 outputs
Outputs of similar age from Scientific Reports
#1,526
of 2,061 outputs
Altmetric has tracked 6,232,855 research outputs across all sources so far. This one is in the 15th percentile – i.e., 15% of other outputs scored the same or lower than it.
So far Altmetric has tracked 21,885 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 13.8. This one is in the 15th percentile – i.e., 15% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 194,134 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 21st percentile – i.e., 21% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 2,061 others from the same source and published within six weeks on either side of this one. This one is in the 18th percentile – i.e., 18% of its contemporaries scored the same or lower than it.