Monsoons: Monsoon and Southern Hemisphere

Topics: Monsoon, Pacific Ocean, Climate Pages: 4 (1027 words) Published: April 18, 2013
Topic sentence-“This essay will focus upon the both the beneficial and the detrimental impacts of monsoonal weather systems in the Asia pacific region.” INTRODUCTION: paragraph 0
* Monsoons are an annually recurring weather phenomenon, triggered by the earth’s tilt in relation to the sun. Although they return every year, it is still impossible to tell the timing, duration, and quantity of rain each season, a fact that leaves impacted areas without accurate storm information * The major monsoon systems of the world consist of the West African and Asia-Australian monsoons. * The wind generally blows for six months from the northeast and six months from the southwest. * A major wind system that seasonally reverses its direction—such as one that blows for approximately six months from the northeast and six months from the southwest. The most prominent monsoons occur in South Asia, Africa, Australia, and the Pacific coast of Central America. Monsoonal tendencies also are apparent along the Gulf Coast of the United States and in central Europe; however, true monsoons do not occur in those regions. ORIGINS: paragraph 1

* Strengthening of the Asian monsoon has been linked to the uplift of the Tibetan Plateau after the collision of the Indian sub-continent and Asia around 50 million years ago.[9] Many geologists believe the monsoon first became strong around 8 million years ago based on records from the Arabian Sea and the record of wind-blown dust in the Loess Plateau of China. More recently, plant fossils in China and new long-duration sediment records from the South China Sea led to a timing of the monsoon starting 15-20 million years ago and linked to early Tibetan uplift.[10] Testing of this hypothesis awaits deep ocean sampling by the Integrated Ocean Drilling Program STRUCTURE: paragraph 1

CAUSES/PROCESS: paragraph 2
* SUMMER MONSOONS: When the Sun rays fall on the Earth, they get reflected by the land and cause heating of the air...
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