2015 el nino case study

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From: Bosco C.
Category: write better
Added: 26.04.2021
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Smallholder adaptive responses to seasonal weather forecasts. Maggio, Giuseppe ; Sitko, Nicholas J. Add to List. Does receiving information on potential adverse weather conditions induce adaptive responses by smallholders? Do market institutions ease constraints to adaptation of these practices? The analysis finds that farmers receiving drought-related seasonal forecasts are more likely to integrate drought tolerant crops into their cropping systems and to acquire improved maize seed varieties.

NASA Study Adds a Pinch of Salt to El Niño Models

El Niño Phenomenon in Latin America. Economic impacts | BBVA

Changes in ocean temperatures therefore affect air masses greatly. An example of how this happens is the El Nino Southern Oscillation. Normal Conditions Under normal atmospheric conditions, pressure rises over the eastern Pacific Ocean off the west coast of South America and falls over the western Pacific towards Indonesia and the Philippines. Descending air over the eastern Pacific gives dry, clear conditions — the Atacama Desert is extremely arid. The warm, moist air rising over the western Pacific causes heavy convectional rainfall. This movement of air creates a circulation cell called the Walker cell, in which the upper air moves from west to east and the surface air moves from east to west forming the trade winds. These trade winds push surface water westwards so that sea level in the Philippines is 60cm higher than at the coast of Panama.

El Niño Phenomenon in Latin America. Economic impacts

In there were several events which allowed a warm plume of water to bring up cool temperatures in the tropical eastern Pacific in the area between the dateline and Hawaii. This warming trend started early in in a very cool ocean and was the seed of the great El nino of Only the last portion of this early warming is depicted in the animation. This was the seed of the el nino.
It can constrain the supply of rain-driven agricultural commodities; reduce agricultural output, construction, and services activities; create food-price and generalised inflation; and may trigger social unrest in commodity-dependent poor countries that primarily rely on imported food. For instance, it causes hot and dry summers in southeast Australia; increases the frequency and severity of bush fires; reduces wheat exports, and drives up global wheat prices. This is important for economic planning, particularly as such weather events are happening in cycles and their impact is sometimes very large. Countries with elevated inflation like India could be particularly susceptible to such episodes. The text in this work is licensed under a Creative Commons Licence.

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