久久久无码人妻精品无码_6080YYY午夜理论片中无码_性无码专区_无码人妻品一区二区三区精99

USEUROPEAFRICAASIA 中文雙語Fran?ais
China
Home / China / Innovation

Satellites may warn of killer landslides

By ANGUS MCNEICE | China Daily | Updated: 2017-07-14 07:54

Researchers in China and the United Kingdom hope to use satellite imaging for the early detection of landslides in Southwest China, such as the one in late June that engulfed a village in Maoxian county, Sichuan province, leaving at least 10 dead and 73 missing.

A team of researchers from the UK's Newcastle University and several Chinese institutions analyzed before and after satellite images of the Maoxian region that show the danger area had been moving at a slow pace for at least six months before failing completely.

The team identified 10 other active landslides in the region and forwarded the information to authorities.

"When you consider this sort of time scale, it suggests that a landslide early-warning system is not only possible but would also be extremely effective," Li Zhenhong, professor of imaging geodesy at Newcastle University, said.

Brought on by heavy rainfall, the Maoxian landslide swept through homes in the village of Xinmo and buried a 1.6 kilometer section of road under an estimated 8 million cubic meters of rubble. A second landslide hit the village three days later, and a third also struck Shidaguan, a town 20 km away.

"If we can detect movement at a very early stage," Li said, "then in many cases it is likely we would have time to put systems in place to save lives."

Researchers from Chengdu University of Technology, Tongji University, the China Academy of Space Technology and Wuhan University, participated in the study. They analyzed images captured by the European Space Agency's Sentinel-1 satellite radar mission, composed of two polar-orbiting satellites, that operate day and night in all weather conditions.

Sichuan is frequently disrupted by tremors.

In 2008, one of the most devastating earthquakes in China's history struck the province, claiming more than 69,000 lives.

The team hopes to use the technology to build a landslide database, mapping active landslides in Sichuan and other seismically active regions of Southwest China.

"Going forward, we can use this information to set up real-time monitoring systems using existing satellites such as GPS, Beidou and Galileo for those sites and whenever we detect abnormal behavior, the system can send out an early-warning message," Li said.

Landslides are among the most common natural disasters.

More than 20,000 people were killed by more than 7,000 rainfall-caused landslides recorded around the world between 2007 and 2015, according to NASA's Global Landslide Catalog.

Editor's picks
Copyright 1995 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
License for publishing multimedia online 0108263

Registration Number: 130349
FOLLOW US
 
久久久无码人妻精品无码_6080YYY午夜理论片中无码_性无码专区_无码人妻品一区二区三区精99

    gogo大胆日本视频一区| 在线观看91精品国产入口| 亚洲国产精品成人综合色在线婷婷| 精品99一区二区| 国产麻豆成人传媒免费观看| 欧美激情艳妇裸体舞| 91污片在线观看| 亚洲va韩国va欧美va| 精品国产免费视频| 99天天综合性| 午夜久久福利影院| 久久久久久亚洲综合| av资源站一区| 天天av天天翘天天综合网色鬼国产| 日韩欧美的一区| 成人手机在线视频| 亚洲国产aⅴ天堂久久| 日韩欧美美女一区二区三区| 国产成人亚洲综合a∨猫咪| 亚洲精品国产精品乱码不99 | 精品国产一区a| 成人v精品蜜桃久久一区| 亚洲国产视频一区| 久久久精品影视| 欧美在线一二三四区| 精品亚洲aⅴ乱码一区二区三区| 国产精品美女久久久久aⅴ| 欧美色窝79yyyycom| 国产一区激情在线| 亚洲综合视频在线观看| 久久综合网色—综合色88| 日本精品免费观看高清观看| 久久黄色级2电影| 亚洲色图视频免费播放| 日本美女一区二区三区视频| 337p日本欧洲亚洲大胆色噜噜| 91免费国产在线| 麻豆91精品91久久久的内涵| 亚洲欧美在线另类| 欧美va在线播放| 色综合天天综合网天天看片| 精品一区二区在线视频| 亚洲蜜臀av乱码久久精品蜜桃| 日韩欧美高清一区| 一本一道久久a久久精品| 韩国女主播一区二区三区| 亚洲午夜激情网站| 中文字幕精品一区二区三区精品| 欧美精品v日韩精品v韩国精品v| 成人视屏免费看| 毛片av一区二区| 亚洲综合一二区| 国产精品欧美综合在线| 欧美一区永久视频免费观看| 色综合久久综合| 粉嫩欧美一区二区三区高清影视| 日韩电影在线一区| 亚洲激情自拍视频| 欧美—级在线免费片| 日韩精品中午字幕| 欧美理论片在线| 色哟哟一区二区在线观看| 岛国精品在线观看| 久久精品99国产精品| 性做久久久久久久免费看| 中文字幕一区二区三区精华液| 欧美精品一区二区三区蜜桃| 欧美另类高清zo欧美| 91国产精品成人| 久久久久久久综合| 欧美精品三级在线观看| 在线观看区一区二| 91免费看片在线观看| 成人一区二区视频| 国产制服丝袜一区| 六月丁香婷婷久久| 日韩av不卡在线观看| 亚洲电影一级黄| 亚洲免费在线看| 国产精品福利av| 国产蜜臀97一区二区三区| 久久视频一区二区| 2023国产精品自拍| 精品成人在线观看| 日韩视频123| 日韩一区二区视频| 3d动漫精品啪啪| 9191成人精品久久| 欧美精品丝袜中出| 555www色欧美视频| 欧美日本在线播放| 欧美日韩国产首页在线观看| 欧美性一二三区| 日本韩国视频一区二区| 91精品1区2区| 在线亚洲精品福利网址导航| 91久久精品一区二区三| 色婷婷精品大在线视频| 在线亚洲人成电影网站色www| 色综合久久99| 在线视频综合导航| 欧美三级日韩三级国产三级| 欧美人伦禁忌dvd放荡欲情| 欧美亚洲另类激情小说| 欧美日韩高清在线| 7777精品伊人久久久大香线蕉的| 欧美精品在线视频| 日韩欧美专区在线| 欧美精品一区视频| 欧美国产视频在线| 成人免费在线播放视频| 亚洲乱码国产乱码精品精98午夜| 亚洲精品中文字幕乱码三区| 亚洲一区免费观看| 午夜精品视频一区| 美女网站色91| 国产麻豆日韩欧美久久| 丁香婷婷综合色啪| 99v久久综合狠狠综合久久| 色婷婷综合五月| 欧美日韩一级黄| 日韩精品一区二区三区四区视频| wwwwxxxxx欧美| 欧美激情一区二区三区| 亚洲欧美日韩国产成人精品影院| 亚洲综合在线免费观看| 日韩精品免费视频人成| 狠狠色综合日日| 成人激情小说乱人伦| 色婷婷av一区二区三区之一色屋| 欧美精品乱码久久久久久| 精品日韩在线观看| 国产精品丝袜91| 亚洲电影在线免费观看| 九一久久久久久| 99久久免费国产| 欧美剧情片在线观看| 久久久久高清精品| 亚洲欧美一区二区三区极速播放 | 国产精品久久久久久久久免费桃花 | 国产亚洲欧美日韩在线一区| 亚洲国产精品v| 亚洲国产中文字幕| 久久综合综合久久综合| 成人av免费观看| 欧美日韩国产在线观看| 欧美精品一区二区三区久久久| 最新国产成人在线观看| 日本亚洲最大的色成网站www| 国产精品亚洲综合一区在线观看| 色婷婷综合久久久中文一区二区| 91精品国产福利| 国产精品久久久久久久久免费桃花| 亚洲va欧美va国产va天堂影院| 国产精品系列在线播放| 欧美三级韩国三级日本一级| 久久夜色精品国产欧美乱极品| 亚洲日本在线看| 久色婷婷小香蕉久久| 色悠久久久久综合欧美99| 亚洲精品在线观看网站| 一区二区三区在线观看欧美| 精品伊人久久久久7777人| 日本高清无吗v一区| 久久综合丝袜日本网| 亚洲午夜成aⅴ人片| 国产老妇另类xxxxx| 欧美日本一区二区在线观看| 欧美激情一区二区在线| 日本视频中文字幕一区二区三区| 国产成人综合在线播放| 欧美剧情电影在线观看完整版免费励志电影| 久久精品亚洲乱码伦伦中文| 天天色天天操综合| 成+人+亚洲+综合天堂| 日韩一区二区免费在线电影| 亚洲女爱视频在线| 国产精品1区二区.| 69成人精品免费视频| 国产欧美久久久精品影院| 美洲天堂一区二卡三卡四卡视频 | 26uuu久久综合| 亚洲国产你懂的| heyzo一本久久综合| 久久婷婷成人综合色| 日本中文在线一区| 在线视频一区二区三| 国产精品久久久久久久久久免费看| 麻豆一区二区在线| 精品视频资源站| 亚洲天堂久久久久久久| 国产成人在线影院 | 日韩欧美区一区二| 亚洲成人在线免费| 色综合久久66| 1000部国产精品成人观看| 国产成人啪免费观看软件| 精品欧美一区二区三区精品久久| 一区二区三区四区五区视频在线观看| 盗摄精品av一区二区三区|