亚洲精品久久久久久一区二区_99re热久久这里只有精品34_久久免费高清视频_一区二区三区不卡在线视频

Home / Environment / News Tools: Save | Print | E-mail | Most Read
Water-level Drop Prompts Volcano Fear
Adjust font size:

A record decline in the water level at Huguangyan's volcanic lake in Guangdong has raised concern that the sleeping volcano is about to have a wake-up call.

 

At 2.3 square kilometers, Huguangyan is the world's largest volcanic lake. It is located in the southwest city of Zhanjiang.

 

It has recorded its lowest water level in 10 years and during the second half of 2006, the level dropped 5 meters.

 

 

The phenomenon, however, should not be a cause for worry, said Chen Quan, the director of Zhanjiang's seismology bureau. He ruled out the possibility of an eruption.

 

"Our observation has not shown any abnormal sign indicating that a re-eruption will occur at Huguangyan," said Chen.

 

Evolved from an extinct volcano centuries ago, the lake experienced a dramatic reduction in water during the second half of 2006 when the level fell 5 meters to reach 13 meters.

 

 

Luo Shuwen, senior engineer from Guangdong geological prospecting bureau, said Huguangyan's water level drop was due mainly to a decline in rainfall last year.

 

Luo said that between September and December alone, precipitation around Huguangyan was just 231.0 millimeters while the evaporation was as high as 445.3 millimeters.

 

"Water supply therefore lagged far behind water loss," Luo said.

 

He added that there were other reasons for the problem.

 

"Working entities around Huguangyan kept pumping water from the lake which also caused Huguangyan's water level to decline," Luo said.

 

Scientists with Zhanjiang meteorological bureau agreed that there was no need for people to worry.

 

Officials at the scenic spot have been trying to deal with the issue. They have submitted proposals to Zhanjiang's municipal government to preserve Asia's only Maar lake.

 

The first idea seeks to pump water from a well into the lake while another calls for a restriction on pumping water out of Huguangyan.

 

Experts who have been doing research on Huguangyan Maar lake for many years agreed that working entities that use water from Huguangyan should be restricted. They also say that pumping in water from other lakes was not feasible.

 

The lake's deposits can provide thousands of years of information about the earth and it is commonly referred to as "earth's yearbook."

 

(China Daily April 3, 2007)

Tools: Save | Print | E-mail | Most Read

Related Stories
Volcanic Museum Records Geological Changes
Geological Experts Visit Volcanic Park
SiteMap | About Us | RSS | Newsletter | Feedback
SEARCH THIS SITE
Copyright ? China.org.cn. All Rights Reserved ????E-mail: webmaster@china.org.cn Tel: 86-10-88828000 京ICP證 040089號
亚洲精品久久久久久一区二区_99re热久久这里只有精品34_久久免费高清视频_一区二区三区不卡在线视频
久久婷婷国产麻豆91天堂| 另类亚洲自拍| 欧美一区二区三区男人的天堂| 亚洲电影在线播放| 国产精品羞羞答答| 欧美日韩美女| 麻豆国产va免费精品高清在线| 日韩视频专区| 亚洲高清自拍| 午夜一区在线| 亚洲天堂成人在线观看| 亚洲七七久久综合桃花剧情介绍| 国产又爽又黄的激情精品视频| 国产精品xnxxcom| 欧美欧美天天天天操| 免费在线观看日韩欧美| 亚洲欧美日韩精品久久久| 亚洲高清在线观看| 欧美一区二区三区播放老司机| 亚洲视频久久| 99这里只有精品| 亚洲激情国产| 亚洲国产精品传媒在线观看| 海角社区69精品视频| 国产精品永久免费视频| 国产精品v日韩精品v欧美精品网站 | 亚洲欧美国产精品桃花| 一区二区黄色| 一本色道久久加勒比精品| 尤物在线精品| 亚洲大片av| 伊人精品久久久久7777| 国内精品久久久久影院优| 国产三区精品| 国产日本欧美一区二区三区| 国产精品呻吟| 国产欧美在线观看一区| 国产日韩精品电影| 国产一区二区三区免费不卡 | 欧美gay视频| 欧美**人妖| 欧美激情网友自拍| 久久综合99re88久久爱| 欧美一区二区三区日韩视频| 欧美亚洲日本网站| 欧美在线二区| 久久国产欧美日韩精品| 久久精品国产亚洲精品| 久久久噜噜噜久久| 六月丁香综合| 欧美黄免费看| 欧美日韩调教| 国产精品福利久久久| 国产精品久久久久高潮| 国产欧美日韩不卡| 国内不卡一区二区三区| 亚洲高清在线精品| 日韩视频在线观看| 亚洲色图自拍| 午夜亚洲福利| 亚洲高清中文字幕| aa成人免费视频| 一卡二卡3卡四卡高清精品视频 | 欧美在线你懂的| 久久精品夜色噜噜亚洲aⅴ| 亚洲人午夜精品免费| 一区二区不卡在线视频 午夜欧美不卡'| 亚洲美女毛片| 亚洲欧美日韩第一区| 久久久91精品国产一区二区三区| 久久精品论坛| 欧美激情精品久久久久久| 欧美三级在线| 国产午夜精品美女毛片视频| 在线播放豆国产99亚洲| 99在线精品视频在线观看| 欧美亚洲在线| 亚洲日韩中文字幕在线播放| 亚洲午夜一区二区| 午夜在线视频观看日韩17c| 久久精品欧美日韩| 蜜臀91精品一区二区三区| 欧美日韩精品一区二区三区四区| 国产精品久久久久影院色老大| 国产一区在线播放| 亚洲精品美女在线观看| 亚洲制服欧美中文字幕中文字幕| 亚洲第一天堂av| 中文精品99久久国产香蕉| 久久国产精品亚洲77777| 欧美精品一卡二卡| 国产日韩欧美不卡| 亚洲激情二区| 欧美亚洲一区| 亚洲视频在线看| 久久一区二区三区av| 另类亚洲自拍| 国产精品日韩精品| 亚洲国产精品ⅴa在线观看| 亚洲男人第一网站| 一区二区三区av| 久久免费视频在线观看| 国产精品久久久久久久久久免费| 伊人精品视频| 午夜亚洲激情| 亚洲国产精品久久| 午夜久久美女| 欧美日韩18| 激情文学一区| 午夜精品国产更新| 一区二区三区国产在线| 老司机午夜精品视频在线观看| 国产精品久久久对白| 最近中文字幕日韩精品| 欧美一区二区精美| 亚洲欧美日韩一区| 欧美日韩免费在线| 亚洲国产精品一区在线观看不卡| 欧美亚洲视频在线观看| 亚洲最新视频在线| 欧美专区在线观看| 国产精品久久久久久久久久三级| 亚洲日本欧美日韩高观看| 久久精品成人一区二区三区| 香蕉成人久久| 欧美四级在线观看| 91久久久久久久久久久久久| 亚洲福利专区| 一本色道**综合亚洲精品蜜桃冫 | 亚洲精品四区| 亚洲精品国产精品国自产在线 | 国产精品久久久久免费a∨| 亚洲美女视频在线观看| 亚洲欧洲精品一区二区三区不卡 | 国产目拍亚洲精品99久久精品 | 亚洲少妇在线| 国产精品乱码一区二区三区| 亚洲夜晚福利在线观看| 亚洲欧美伊人| 国产日韩亚洲| 亚洲国产成人一区| 欧美精品一区二区三区在线播放| 亚洲精品视频一区| 亚洲影院一区| 国产日韩精品综合网站| 亚洲第一精品福利| 欧美高清视频在线| 一区二区国产日产| 欧美在线免费播放| 影音先锋欧美精品| 一本色道久久99精品综合| 欧美日韩三级一区二区| 亚洲一区在线视频| 久久中文在线| 亚洲精品在线观| 午夜精品电影| 影音先锋久久精品| 亚洲天堂激情| 国产一区视频观看| 日韩西西人体444www| 国产精品青草综合久久久久99| 午夜欧美电影在线观看| 免费在线观看精品| 中文精品视频| 久久综合成人精品亚洲另类欧美| 亚洲欧洲视频| 午夜亚洲精品| 尤物在线观看一区| 亚洲在线成人| 精品1区2区3区4区| 亚洲在线视频| 国内外成人免费视频| 在线一区欧美| 国产自产v一区二区三区c| 一本久道久久综合婷婷鲸鱼| 国产欧美一区二区精品仙草咪 | 亚洲国产高清aⅴ视频| 亚洲欧美日韩精品久久亚洲区| 激情综合色综合久久| 亚洲手机在线| 极品av少妇一区二区| 亚洲一本视频| 亚洲第一中文字幕| 欧美一区在线看| 日韩亚洲欧美精品| 另类成人小视频在线| 亚洲综合色噜噜狠狠| 欧美日韩第一区日日骚| 亚洲成人资源网| 国产精品乱码久久久久久| 日韩视频一区二区三区| 国产视频亚洲精品| 中国成人亚色综合网站| 在线免费观看日本欧美| 亚洲欧美综合一区| 亚洲美女电影在线| 麻豆91精品| 销魂美女一区二区三区视频在线| 欧美日韩国产精品一区| 亚洲二区视频|