Aridity refers to the extreme dryness of a region caused by low rainfall and high evaporation, creating harsh environments where water is scarce and vegetation struggles to survive. Unlike short-term droughts, aridity is a permanent climatic condition found in deserts such as the Sahara and Atacama. It results from factors like atmospheric circulation, geography, and human-induced climate change. Understanding aridity is crucial as it affects agriculture, ecosystems, and human livelihoods, em...
