low stream gauge of river rhine in germany.water shortage, drought, climate change and global warming concept.

almost arid aridity aridness bed buoy cataclysm change climate concept conceptual condition conservation convulsion danger decarbonization deficiency desaster disaster drought dry dryness düsseldorf eco economic environmental europe failure farming fieriness gauge germany global heat hotness interrupted level lost low message natural north problem rhine river scarce scarcity shipping shortage sign stream symbol temperature traffic warming warning water waterway westphalia