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Barrier lake of Home Tang hill may break through dam at any time
From;  Author:Stand originally
Since this paragraph of time, the hour of barrier lake of Home Tang hill that is in exceeding quicksand is affecting the nerve of people. On June 5 morning, the State Council is aseismatic Chen Lei of minister of ministry of group leader of group of ministry irrigation works, irrigation works manages general director providing disaster relief hold hold a conference or consultation to meet, atmosphere of area of upper reaches of barrier lake of hill of home of analytic the Tang Dynasty and come water situation, research does not issue lash-up platoon to deal with nearly with the circumstance next plan, plan decisive battle of barrier lake of Home Tang hill.

Water of ooze of bottom of barrier lake dam

The latest news that comes from ahead says, barrier lake of Home Tang hill has the possibility that breaks through dam at any time now, concerned respect predicts, 3 days two in may natural discharge flows.

Up to on June 5 8 when, lake area treats barrier lake of Home Tang hill water level of station of city water level 738.85 meters, relatively 4 days 8 when water level rises 0.94 meters, quantity of corresponding store water is 215.9 million stere; The water level before dam 738.5 meters, relatively 4 days 8 when water level rises 0.97 meters, day enters lake discharge on average 75 stere every second.

According to statistic, because the barrier lake that the earthquake forms is sufferred relatively the probability that the cataclysm causes burst is as high as 93% . Chief engineer Liu Ning says irrigation works department, barrier lake of Home Tang hill is the coast body that forms after shake of earth of plain of short of Wenshui River jammed Jian river, and tall Cheng of body of a place of strategic importance of lasher of Home Tang hill is achieved 82 reach 124 meters, formation head is in 60 reach 80 meters, can give cause tremendous menace downstream.

In the meantime, upper reaches of barrier lake of Home Tang hill comes water area achieves 3550 square kilometer. According to calculating, every fall inside catchment the rainfall of two millimeter, the water level before dam will raise barrier lake of Home Tang hill a meter. According to historical data, 6, 7, the rainfall August is 140 millimeter, 360 millimeter, 330 millimeter respectively, also bring tremendous risk for barrier lake of Home Tang hill.

Suffer aftershock ceaselessly plus Tang Jiashan, especially the aftershock of 6 class above, hillside cave in often appears. "The basis makes an on-the-spot investigation on the spot for many times, the Xuan level ground that barrier lake of Home Tang hill floods presses down lower part, put in an enormous coast put oneself in another's position, once happen,slide, can cause tremendous ground swell, the instant causes burst. " Liu Ning says.
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