我国正式进入“七下八上”防汛关键期

Core Viewpoint - The article highlights the onset of the critical flood prevention period in China, indicating a complex and severe flood situation this year due to early onset of rainfall and extreme weather patterns [1] Group 1: Flood Situation - China has entered the "Seven Down, Eight Up" critical flood prevention period starting July 16, marking the most complex and severe flood situation of the year [1] - There have been 19 strong rainfall events nationwide since the onset of the flood season, which is 2 more than the average for the same period in previous years [1] - Early typhoon landfalls have had a wide-ranging impact, leading to frequent flooding in small and medium-sized rivers [1] Group 2: Hydrological Conditions - Overall river flow rates in major rivers across the country are approximately 20% lower than the same period in previous years, with a pattern of less water in the south and more in the north [1] - Drought-affected areas are primarily located in Gansu, Inner Mongolia, and Hubei provinces [1]