Warmer or colder sea surface temperatures (SST) may affect one of the world’s key large-scale atmospheric circulations that regulate the intensity and breaking of rainfall associated with the South Asian and Australian monsoons, according to new research from NASA.
A monsoon is a wind that changes direction with the seasons. Monsoons develop from changing patterns of atmospheric circulation which are caused by changes in heating and cooling of land and oceans. One of the strongest and most well-known monsoons is the one which affects India and Southeast Asia in June through September.
The summer monsoon blows southwesterly across the Indian Ocean and is extremely wet. During the summer monsoon, particularly in July, there is usually a break period in the monsoon, when the rains stop and re-start. A phenomenon known as the Madden Julian Oscillation (MJO) has been found to affect that break and the variation of the MJO is affected by the variation of the SSTs.
Robert Gutro | EurekAlert!
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Physicists have developed a technique based on optical microscopy that can be used to create images of atoms on the nanoscale. In particular, the new method allows the imaging of quantum dots in a semiconductor chip. Together with colleagues from the University of Bochum, scientists from the University of Basel’s Department of Physics and the Swiss Nanoscience Institute reported the findings in the journal Nature Photonics.
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At the JEC World Composite Show in Paris in March 2018, the Fraunhofer Institute for Laser Technology ILT will be focusing on the latest trends and innovations in laser machining of composites. Among other things, researchers at the booth shared with the Aachen Center for Integrative Lightweight Production (AZL) will demonstrate how lasers can be used for joining, structuring, cutting and drilling composite materials.
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