Hydrological extremes and security

摘要: Abstract. Economic losses caused by hydrological extremes – floods and droughts have been on the rise. Hydrological jeopardize human security impact societal livelihood welfare. Security can be generally understood as freedom from threat ability of societies to maintain their independent identity functional integrity against forces change. Several dimensions are reviewed in context extremes. The traditional interpretation security, focused state military capabilities, has replaced a wider understanding, including economic, environmental aspects that get increasing attention. Floods pose burden serious challenges is responsible for sustaining economic development, security. latter regarded maintenance ecosystem services, which society depends. An important part it water defined availability an adequate quantity quality health, livelihoods, ecosystems production, coupled with acceptable level water-related risks people, environments economies. concerns arise because, over large areas, − becoming more frequent severe. In terms dealing risks, climate change increase uncertainties, makes state’s task deliver difficult expensive. However, changes population size protection, drive exposure hazards.