China Water Resources

<正> 面对21世纪我国的资源、环境问题,尤以水问题最为严峻。水少与水浪费并存;水多与生态失衡并存;水脏与水管理不善并存。事实上,水资源、水灾害与水环境三者之间存在相互联系和相互转变的关系。作为生态和环境核心要素的水,其利用是水资源正面效益;其过剩和不足的变化引起水旱灾害是负面效益;其质量演变

Facing the resource and environmental challenges in 21st-century China, the issue of water is particularly severe. Scarcity and wastage coexist; abundance and ecological imbalance coexist; contamination and poor management coexist. In fact, there are interconnected and transformative relationships among water resources, water disasters, and water environments. Water, as a core element of ecology and the environment, has positive effects when utilized efficiently as a water resource. However, fluctuations in its abundance and scarcity can lead to water-related disasters, while its quality evolution is closely related to water management and environmental protection efforts...