aerial overview of drought in amazon river, sandbanks in severe dry rivers in brazil

aerial overview drought amazon river severe sandbank dry rivers brazil heatwave severe drought drying temperature rise desertification climate change dried up river low water river basin amazon river basin threat warm global warming rising temperatures lowest level low water level restricting exposes water levels dropped summer drone climate resource dry season hydrology impact riverbed adaptation el nino brazilian aerial view challenge change crisis extreme imbalance para state scarcity