Related topics: climate change

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Scientists track giant ocean vortex from space

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Floods in Indonesia kill 29, dozen missing

Floods sparked by torrential rains have killed nearly 40 in Indonesia with a dozen more still missing, officials said Monday, marking the latest calamity for a disaster-prone nation.

Researchers trace 3,000 years of monsoons through shell fossils

The tiny shells at the bottom of Lake Nakaumi in southwest Japan may contain the secrets of the East Asia Summer Monsoon. This rainy season is fairly predictable, ushering in air and precipitation conducive to growing crops, ...

Millions hit in Manila's 'worst' water shortage

Manila has been hit by its worst water shortage in years, leaving bucket-bearing families to wait hours to fill up from tanker trucks and some hospitals to turn away less urgent cases.

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Monsoon

Monsoon is traditionally defined as a seasonal reversing wind accompanied by corresponding changes in precipitation, but is now used to describe seasonal changes in atmospheric circulation and precipitation associated with the asymmetric heating of land and sea. Usually, the term monsoon is used to refer to the rainy phase of a seasonally-changing pattern, although technically there is also a dry phase.

The major monsoon systems of the world consist of the West African and Asia-Australian monsoons. The inclusion of the North and South American monsoons with incomplete wind reversal has been debated.

The term was first used in English in British India (now India, Bangladesh and Pakistan) and neighbouring countries to refer to the big seasonal winds blowing from the Bay of Bengal and Arabian Sea in the southwest bringing heavy rainfall to the area.

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