How can droughts be triggered by physical natural conditions?

Question: How can droughts be triggered by physical natural conditions?

Physical natural conditions such as climate variability and oceanic-atmospheric patterns can trigger droughts. Climate variability such as El Niño and La Niña can lead to changes in precipitation patterns, causing droughts in some regions. Oceanic-atmospheric patterns such as the Indian Ocean Dipole can also impact precipitation patterns, leading to droughts in affected areas. In addition, natural disasters such as wildfires, heatwaves, and dust storms can contribute to drought conditions by exacerbating dryness and reducing vegetation cover. These physical natural conditions can also interact with human activities, such as land-use change, and create feedback loops that further exacerbate drought conditions.

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