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渤海是一个半封闭的内陆浅海,地处中国大陆东部的最北端。它三面环陆,北接辽宁、河北,西邻河北、天津,南与山东省毗邻。渤海经渤海海峡与黄海相通,辽东半岛的老铁山与山东半岛北岸的蓬莱角间的连线即为渤海与黄海的分界线。从高空往下看,渤海形如一个微倾向东北的三足鼎,侧卧于华北大地,其底部的“两足”为莱州湾和渤海湾,顶部为辽东湾。渤海是我国重要的经济开发区,每天至少有200艘船只来往于此,海上交通非常繁忙,堪称我国北方海域的黄金水道。因此,研究并掌握渤海湾的温度、大风及海雾的季节演变,并做到提前预报,对于保障国民经济和人民生命财产安全均有着极其重要的意义。
Bohai Sea is a semi-enclosed inland shallow sea, located in the northernmost part of eastern China. It is surrounded by land on three sides, north of Liaoning, Hebei, Hebei, Tianjin, south and Shandong Province adjacent to the south. Bohai Sea through the Bohai Strait and the Yellow Sea are interlinked, Liaodong Peninsula and the northern tip of the Peninsula Penglai Cape connection between the Bohai Sea and the Yellow Sea is the dividing line. Looking down from high altitude, the Bohai Sea is shaped like a tripe with slight inclination to the northeast. It lies on the vast land of North China. The “two feet” at the bottom are Laizhou Bay and Bohai Bay, and the top is Liaodong Bay. Bohai Sea is an important economic development zone in China. Every day, at least 200 ships come and go. The traffic on the sea is very busy, making it a golden waterway in northern China. Therefore, to study and grasp the seasonal evolution of the temperature, gale and sea fog in the Bohai Bay and to forecast it in advance is extremely important for the protection of the national economy and the safety of people’s lives and property.