Natural Sciences

The Songhua river is 4 meters in depth and 1 kilometer in width. In general,the river is frozen over from November to April. The ...

The Jiangqiao station of Nenjiang, the second Songhua River's Fengman station, the pine stem’s Harbin station and Jiamusi station ...

In order to further analyze the composition of downstream station flood, first we must understand the flood propagation characteri...

Songhua River basin area is very large, and there is a great difference among its climate, terrain conditions. Therefore, there a...

There is a great discrepancy between the north part and the south part of Northeast area in rainfall, heavy in south while light ...

Duration There is a great difference in duration of floods of each river in northeast of China. A short duration of flood lasts o...

We have a large population and the high density of population, extensive territory but less area for habitation comfortably and ...

The history in Northeast of China about natural disasters of flood and drought has been divided into different time spam accordin...

The meteorological department stipulates that the daily rainfall is greater than or equal to 50 millimeters, called rainstorm, an...

The main reason of the flooding in the northeast area of China is rainstorm. The size of flooding caused by the rainstorm mainly ...