Geography, asked by NairaRajpal, 1 year ago

write about the factors affecting monsoon including el nino effect.

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Answered by Nikhil211004
2
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El Niño is a climate pattern that describes the unusual warming of surface waters in the eastern tropical Pacific Ocean.Generally, El Nino and the Indian Monsoon rains are inversely related. Trade winds coming from South America normally blow westward towards Asia during Southwest Monsoon. Warming of the Pacific Ocean results in weakening of these winds. Therefore, moisture and heat content gets limited and results in reduction and uneven distribution of rainfall across the Indian sub-continent.


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Answered by Anonymous
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✳:-) ❗❗, The factors which affect the intensity of monsoon are–

El Nino and La Nina Effects-These affects the latitudinal walker cell in the Pacific Ocean and rainfall pattern in the Asian region. During El Nino Year weak push to Monsoon winds towards India causes less rainfall and draught where as During La Nina years, the push is stronger and causes heavy rain and floods.Strengths of low pressure over Tibet and high pressure over Southern Indian Ocean- The strengths of low pressure over Tibetan plateau and high pressure over Southern Indian Ocean has always positive effect on Indian monsoon and have high rainfall. Opposite to it has weak monsoon and hence less rainfall.Somali Jet (Findlater Jet) and Somali Current (Findlater Current) – These effect the intensity of high pressure cell in the Southern Indian Ocean and flow of moisture laden winds to the subcontinent.Indian Ocean Dipole (IOD) –It is defined by the difference in sea surface temperature between two areas (or poles, hence a dipole) – a western pole in the Arabian Sea (western Indian Ocean) and an eastern pole in the eastern Indian Ocean south of Indonesia. The greater than average sea-surface temperatures in Arabian Sea responsible for greater precipitation in the western Indian Ocean region, and vice versa.


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