Comprendiendo el impacto de El Niño relacionado con la sequía en las zonas agrícolas mundiales
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FAO ;
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FAO monitors the evolution of hazards and provides early indications and warnings on possible impacts on agriculture and food security. One such phenomenon is the periodic occurrence of El Niño. During El Niño episodes the normal patterns of tropical precipitation and atmospheric circulation become disrupted triggering extreme climate events around the globe: droughts, floods and affecting the intensity and frequency of hurricanes. Agriculture is one of the main sectors of the economy that could be severely affected by El Niño phenomena. FAO monitors the El Niño-Southern Oscillation (ENSO) phenomenon, among other weather related hazards, with a special focus on the potential impacts on the agricultural sector. FAO-GIEWS communicates developments during the gestation period and issues alerts and warningsif and when necessary. The objective of this study is to enhance our understanding of the El Niño phenomenon using FAO’s Agricultural Stress Index system (ASIS). FAOASI, developed with t he support of EU/FAO Improved Global Governance for Hunger Reduction Programme, is based on remote sensing data that highlights anomalous vegetation growth and potential drought in arable land during a given cropping season.