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Zeya (river) River in Amur Oblast, Russia From Wikipedia, the free encyclopedia. Zeya River. ... The average flow of the river is 1,810 m 3 /s (64,000 cu ft/s). [1]
As a result of flow regulation, maximum water flow rates of the Zeya River have decreased by more than 20%, and the frequency of floods has declined [43], while, as a result of irregular flooding ...
Zeya (zā´ä, Rus. zyā´ə), river, c.800 mi (1,290 km) long, rising in the Stanovoy Range, Russian Far East, and flowing south to join the Amur River at Blagoveshchensk. It carries gold in its upper reaches, and its basin has gold, graphite, and lignite deposits. The lower course flows through the rich agricultural Zeya-Bureya Plain. Source ...
Zeya River, Jingkiri bira. Outflow: Amur Countries: Russia Length: 1 242 km.
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- Physiography
Amur River, river of East Asia. It is the longest river of the Russian Far East, and it ranks behind only the Yangtze and Huang Ho (Yellow River) among China’s longest rivers. Its headwaters rise in Russia (Siberia), Mongolia, and the Inner Mongolia Autonomous Region of China in the mountains northwest and southeast of the point where their borders...
The Amur and its tributaries drain a basin of about 716,200 square miles (1,855,000 square km). The Amur proper begins at the confluence of the Shilka and the Argun (Ergun) rivers, 1,755 miles (2,824 km) from its mouth. The Shilka begins more than 340 miles (550 km) farther inland in Siberia at the junction of the Ingoda and Onon rivers, whose ultimate sources lie more than 300 miles (500 km) farther southwest in the Yablonovy Range on the Siberian-Mongolian border. The Argun rises in Inner Mongolia, about 1,000 miles (1,600 km) from its confluence with the Shilka. The Amur’s most important tributaries include the Zeya, Bureya, and Amgun rivers, which enter on the left bank from Siberia, the Sungari (Songhua) River entering on the right from China, and the Ussuri (Wusuli) River, which flows northward along China’s eastern border with Siberia until, just after entering Russia, it joins the Amur at Khabarovsk (see photograph). Lake Khanka (Xingkai), the source of the Ussuri, is the system’s largest lake.
It is customary to divide the river into three sections: the upper, middle, and lower Amur. The upper Amur begins at the juncture of the Shilka and Argun and ends at the mouth of the Zeya (at the Siberian city of Blagoveshchensk), about 560 miles (900 km) downstream. The middle Amur extends about 600 miles (970 km) from the Zeya east to Khabarovsk. The lower Amur, from Khabarovsk to the mouth, also is about 600 miles (970 km) long.
The upper Amur flows through a mountain valley between spurs of the Da Hinggan (Greater Khingan) Range to the south, which is covered by thick larch woods, and the pine-clad slopes of the Amarzar Range to the north. Near Albazino, Siberia, the mountains part, and the river enters open plateau country. The terraced slopes there indicate that the Amur cut through this region in the last few million years. Below Yermakovo the river enters a region of rocky precipices made up of complex layers of spontaneously igniting carbonaceous, clayey shales that continually steam and occasionally burst into flames.
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Water and its Varying Forms
The middle Amur flows into the Zeya-Bureya Depression. The left bank rises gradually to the plain of the depression, while the right slope—steep and high—borders the Xiao Hinggan (Lesser Khingan) Range of China. Below the confluence of the Bureya River the plain narrows gradually, and near Pashkovo the river runs past spurs extending from the Bureya Range to the north. Farther on it flows along a narrow gorge through the Xiao Hinggan Range, its depth and speed increasing dramatically.
Regulation of river discharge by Zeya Dam mitigates extremities of river flow down to 5000 m³/s. The Zeya contributes around 16% of both the average and maximum flow of de Amur because of the flow regulations. In the past, the Zeya could have contributed up to almost 50% of the Amur's maximum flow of approximately 30,000 m³/s.
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Oct 14, 2021 · The Huma He River joins the Upper Amur at Huma. Then, the river continues southwards, flowing between Heihe (China) and Blagoveshchensk (Russia). The river widens as it flows south and receives Zeya near Blagoveshchensk. Zeya currently contributes 16% of inflow into the Amur, down from 50% because of the flow regulations. Aerial view of Amur River.
