论文部分内容阅读
咸海坐落在中亚哈萨克斯坦和乌兹别克斯坦之间,是一个天然咸水湖。50年前,咸海曾是世界第四大湖泊,烟波浩渺。咸海的水源几乎完全来自两条河流——阿姆河和锡尔河补给。阿姆河和锡尔河并不安分,几千年来曾数度改道,偏离咸海,直接导致了咸海面积的缩小,不过由于每次改道的时间不会太长,只要河道重新移回,咸海总会恢复往日盛况。从上世纪60年代开始,人类农业活动开始深入咸海流
Located between Central Kazakhstan and Uzbekistan, the Aral Sea is a natural lagoon. Fifty years ago, the Aral Sea was once the fourth largest lake in the world. The Aral Sea’s water sources are almost entirely from two rivers, the Amur and Syria rechargers. Amu and Syr Darya do not rest well. For several thousand years, they have been diverted for several times and departed from the Aral Sea, which led directly to the reduction of the area of the Aral Sea. However, since each diversion will not take too long, Aral Sea will resume the past grand occasion. Since the 1960s, human agricultural activities have begun to penetrate into the sea