That solar term began to rise.

It's spring in the north, the ice and snow melt and the water level begins to rise. Once the Yellow River melts other direct currents, the water level begins to rise. It is usually summer in the south, because with the arrival of the rainy season, the rainfall will increase greatly in a short time, which will lead to the rise of the water level in the Yangtze River, so the water flow in other places will also increase.