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El Nino And Disease - Essay Example

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The El Niño phenomenon scientifically referred to as El Niño Southern Oscillation pertains to a climatic event, which originates from the Pacific Ocean. The paper "El Nino And Disease" analyzes fact that ENSO enhances the probability of wide-scale epidemics such as malaria and cholera…
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El Nino And Disease
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Download file to see previous pages Although largely a regional phenomenon, as Fagan portrays, the effects are global in nature, as shown through various analyses. Warm ocean water temperatures, occurring anomalously, do develop from the South American west coast and influence climatic conditions across the vast Pacific Ocean. The El Niño-Southern Oscillation (ENSO) refers to different variations, in terms of the surface ocean temperatures along the tropical eastern Pacific Ocean. Air surface pressure is also affected within the Pacific Ocean’s tropical eastern region with the two variations being coupled (successive in nature). First, is the warm oceanic phase (El Niño), which goes hand in hand with high air surface pressure, within the western Pacific region.
Next follows the cold phase, which occurs with low oceanic air pressure. The above scenario portrays two extremes of climatic patterns, with the oscillations causing such conditions as droughts on the one hand, and floods on the other. This is the primary reason, why cholera and malaria are the most endemic of diseases significantly influenced by this phenomenon. Regionally, the wider Pacific Ocean is affected, in terms of water temperatures (both above and below the surface); in addition to developing nations, especially those bordering the water mass. These states, majorly dependent upon the fishing industry, and the agricultural sector are thus influenced in more than one way.
Not only is their economic basis majorly affected, so too are the prevailing health statistics. ...Download file to see next pages Read More
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