34 - Sykloner
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Sykloner dannes ved å hente energi fra varmt vann og jordens rotasjon (Coriolis-effekten). Det er ikke flere sykloner på grunn av klimaendringer (vi er i hvert fall ennå ikke i stand til å fastslå det statistisk), men vi kan si at de er mer kraftige. For kortet før kan vi velge enten forstyrrelser i vannets kretsløp ( kort 20), i den forstand at økningen i syklonenes styrke illustrerer forstyrrelsen av vannets kretsløp, eller økning i vanntemperatur (kort 17), fordi det ofte sies at sykloner får energi fra det varme vannet i den intertropiske konvergenssonen. Det er mindre logisk å sette velge[1].
[1] AR6 WG1 TS.2.3 s39 (s71) // https://www.notre-planete.info/terre/risques_naturels/cyclones.php
2Causes
4Consequences
Sunday, August 2, 2020, Florida is preparing for the passage of Isaias, the hurricane that dumped torrential rains on the Bahamas the day before. It could regain strength and test the emergency services of one of the states most affected by the Covid-19 epidemic in the United States. It has more than 480,000 cases detected since the start of the pandemic, surpassing New York, long the epicentre of the American epidemic in the spring, and second only to California, which has twice the population. Due to the weather, the state has had to close Covid-19 testing centres, many of which were set up in tents, in anticipation of the hurricane's arrival, although county testing centres remain open.
Les catastrophes climatiques peuvent exacerber les inégalités préexistantes en accentuant les disparités économiques, sociales et environnementales entre les différentes populations. Les politiques de gestion des risques, d'adaptation et d'atténuation doivent tenir compte de ces inégalités pour promouvoir une résilience plus équitable.
Sources : AR6 WG2 B.2.5 p25 (p13)