Dalian’s geographical location in China

Dalian City is located at the southern end of the Liaodong Peninsula, between 38°43′-40°12′ north latitude and 120°58′-123°31′ east longitude.

It borders the Yellow Sea to the east, the Bohai Sea to the west, faces the Shandong Peninsula across the sea to the south, and leans on the vast Northeast Plain to the north. The entire terrain is high in the north and low in the south, wide in the north and narrow in the south. The city's total land area is 12,573.85 square kilometers, including 2,414.96 square kilometers in the urban area and 10,158.89 square kilometers in the counties (cities) under its jurisdiction (including Pulandian District). The city's coastline is 2,211 kilometers long, including 1,371 kilometers of mainland coastline and 840 kilometers of island coastline.

The basic landform of Dalian City is high in the center, descending stepwise to the east and west sides, until the seaside, forming a landform of mountains, hills and peninsulas. There is a small difference in the elevation and relief height of the positive landforms in the entire region. Therefore, the terrain elevation is based on 800 meters above sea level as the boundary between middle mountains and low mountains, 400 meters above sea level as the boundary between low mountains and hills, and 120 meters above sea level as hills and tablelands. boundaries.

Extended information:

Topography:

The basic landform of Dalian City is high in the center, descending stepwise to the east and west sides, until the seaside, forming mountains and hills. The landforms of the peninsula. There is a small difference in the elevation and relief height of the positive landforms in the entire region. Therefore, the terrain elevation is based on 800 meters above sea level as the boundary between middle mountains and low mountains, 400 meters above sea level as the boundary between low mountains and hills, and 120 meters above sea level as hills and tablelands. boundaries.

Geographical climate:

Dalian City is located in the warm temperate zone of the northern hemisphere and on the east coast of the Eurasian continent. It has a warm temperate semi-humid continental monsoon climate and has maritime climate characteristics. There is no severe cold, no scorching heat in summer, concentrated rainfall, and obvious monsoon. The annual average temperature is about 10℃, the annual extreme maximum temperature is about 35℃, the annual extreme minimum temperature is -28~-18℃, and the frost-free period is 180~200 days. The annual rainfall is 550 to 800 mm, with more drought years than flood years.

Hydrological characteristics:

There are more than 200 rivers in Dalian City, and there are two main water systems, which flow into the Yellow Sea and the Bohai Sea respectively. The larger rivers that flow into the Yellow Sea include Biliu River, Yingna River, Zhuang River, Zanzi River, Dasha River, Dengsha River, Qingshui River, etc.

The main rivers flowing into the Bohai Sea include Fuzhou River, Liguancun River, Sansanlibao River, etc. The largest river is the Biliu River, which originates from the southern foot of Qipan Mountain in Gaizhou City. The total length of the main stream is 156 kilometers, of which the section flowing through Dalian is 100 kilometers long. It is the water source river for urban cross-basin water diversion.

Baidu Encyclopedia - Dalian