Risks of geological disasters of geological disaster warning system and more attention.

August 18, the Beijing Municipal Land Resources Bureau and the Beijing Municipal Meteorological Bureau jointly issued three warning of geological disasters, said that from last night until the next three days, Beijing Mentougou, Fangshan, Huairou, Miyun, Pinggu and other places mountain landslides and landslide .geological disasters more likely. .<P> Weather <U> experts </ U>, said last night, Beijing has a moderate to heavy rain, heavy rain in some areas. .Yesterday, 17:00 <P> the Beijing Municipal Land Resources Bureau and the Beijing Municipal Meteorological Bureau jointly issued a warning of geological disasters, said the next 3 days, central and southern Mentougou, Fangshan north-central, central Huairou, Miyun, north-west and east, northeast, etc. Pinggu .region flow, landslides, avalanches and other geological disasters more likely. .<P> According to reports, geological disasters, flood warning issued in Beijing mainly, July 4, 2008, July 23, 2009, Beijing, warning of geological disasters have been released. .This year is the first time. .<P> Beijing is a city of more geological disasters, the city has burst point of 589 hidden geological disasters, mainly in Yanqing, Changping, Huairou, Miyun, Pinggu, Mentougou, Fangshan seven mountain counties, a few in the Haidian, Shijingshan .Mid-levels. .64 towns under threat, 241 administrative villages, 14 611 people. .<P> Meteorological experts, the sudden in Beijing four main geological hazards, landslides, gob ground subsidence, landslide, collapse of the mountain. .Among them, the debris flow is the most serious mountain Beijing, the most <U> damage </ U> of the type of geological disasters, the formation of complex causes, sudden outbreaks, extremely hazardous. .According to estimates, Beijing debris flow hazard areas covered 5,600 square kilometers, involving seven counties, 30 towns, and nearly 10 national highways and high-speed, expressways and railways. .<P> Debris flow activity intensity is consistent with the flood cycle of activity, occurs in late July to early August. .Also, debris flow and the "Night Rain" accompanied by a maximum of 16 hours issued am to 1 am the next day, especially after the heavy rainfall experienced continuity. .Since 1949, debris flow disaster in Beijing has caused 500 deaths, nearly 8,000 houses destroyed. .Time in history resulted in more than 10 debris flow events of 9 times vicious, killing more than 100 people have 2. .<P> Beijing Municipal Land Resources Bureau, responsible person, over the past decade drought in Beijing continued to loose rock and soil caused by cracking, coupled with increased human activities, resulting in changes in the stability of the mountain, once encountered heavy rainfall, landslides .and collapse the possibility of geological disasters and other emergencies will be greatly increased. .<P> Present Beijing has taken accordingly <U> prevent </ U> measures, as of the end of July, the city's districts and counties has been updated to point to erect warning signs hidden near one thousand, thousand copies have been paid to understand unexpected geological disasters .card to remind the public will be the types of geological hazards, and inform the hedge transfer routes and locations. .In addition, the county has already done the transfer of measures, such as the Huairou mountains started from 2007 households risk insurance village relocation has been in 3797 moved into the plains village. .For the relocation of the villagers have not yet been enacted and promulgated the "danger of debris flow hazards, and measures" to inform the villagers once encountered heavy rain, do not stay so much at the bottom. .<P> Addition, according to this site understand that the market has been a geological disaster monitoring and warning system, which is a set of surface and underground multi-parameter monitoring as one of the data collection, transmission, processing and analysis system that can achieve the landslides .landslides and other disasters, the dynamic monitoring of resistance. .System by the measurement unit, transmission unit, data processing and control unit. .Monitoring systems with digital technology, automation and networking features, it is reported that the system has been used for several domestic debris flow-prone areas such as the Three Gorges Dam Reservoir, Sichuan Yaan, CASE, Beijing Jietai, Xinjiang Yili and other places, the .system to monitor the geological conditions around 1 km in advance to predict disaster, and early warning information, which will help victims to move quickly. .<P Align=center> </ P> <P style="FONT-SIZE: 12px" align=center> <U> China Aerospace </ U> Science and Industry for map </ P>.