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The work considers three-dimensional crescent-shaped patterns often seen on water surface in natural basins and observed in wave tank experiments. The most common of these 'horse-shoe-like' patterns a...
Instability patterns between counter-rotating disks
Instability patterns counter-rotating disks
2009/11/12
The instability patterns in the flow between counter-rotating disks (radius to height ratio R/h from 3.8 to 20.9) are investigated experimentally by means of visualization and Particle Image Velocimet...
Detecting spatial patterns with the cumulant function–Part 2:An application to El Niño
spatial patterns cumulant function El Niñ o
2009/10/30
The spatial coherence of a measured variable (e.g. temperature or pressure) is often studied to determine the regions of high variability or to find teleconnections, i.e. correlations between specific...
Detecting spatial patterns with the cumulant function–Part 1:The theory
spatial patterns cumulant function The theory
2009/10/30
In climate studies, detecting spatial patterns that largely deviate from the sample mean still remains a statistical challenge. Although a Principal Component Analysis (PCA), or equivalently a Empiric...
Late Pleistocene palaeoproductivity patterns during the last climatic cycle in the Guyana Basin as revealed by calcareous nannoplankton
last climatic cycle Guyana Basin revealed calcareous nannoplankton
2010/9/28
Variations in the assemblage and abundance of coccoliths reveal changes in oceanic and atmospheric dynamics in the Guyana Basin over the last climatic cycle, mainly linked to latitudinal variations in...