国内精品一区二区三区最新_不卡一区二区在线_另类重口100页在线播放_精品中文字幕一区在线

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(hào)
国内精品一区二区三区最新_不卡一区二区在线_另类重口100页在线播放_精品中文字幕一区在线
欧美成人精品1314www| 欧美精品一区二区久久婷婷| 色视频一区二区| 欧美三级乱人伦电影| 欧美日韩黄色一区二区| 日韩欧美电影一区| 中文一区二区在线观看| 亚洲欧美日韩人成在线播放| 亚洲综合色噜噜狠狠| 奇米影视一区二区三区小说| 韩国女主播一区二区三区| 成人黄动漫网站免费app| 欧美系列在线观看| 国产亚洲精品7777| 一区二区在线观看免费 | 精品一区二区三区在线观看国产| 丁香一区二区三区| 欧美男同性恋视频网站| 久久综合丝袜日本网| 一区二区三区在线高清| 精品一二线国产| 91黄色在线观看| 久久久91精品国产一区二区精品| 一区二区三区影院| 国产精品一区久久久久| 欧美日韩极品在线观看一区| 日本一区二区视频在线观看| 午夜伦欧美伦电影理论片| 高清不卡一区二区在线| 日韩欧美国产一区二区三区| 亚洲人成在线播放网站岛国| 韩国午夜理伦三级不卡影院| 欧美日韩一区视频| 最新国产成人在线观看| 国产在线播放一区二区三区| 欧美丝袜第三区| 国产精品国产馆在线真实露脸| 蜜臀av性久久久久蜜臀aⅴ四虎| 99国产欧美久久久精品| 国产女主播一区| 久久99精品久久久久| 欧美精品1区2区3区| 亚洲卡通动漫在线| 成人激情免费网站| 欧美国产欧美综合| 国产精品一区在线观看你懂的| 欧美一区二区在线视频| 亚洲与欧洲av电影| 91久久精品午夜一区二区| 中文天堂在线一区| 成人免费福利片| 国产欧美日本一区视频| 国产精品白丝av| 久久女同性恋中文字幕| 另类综合日韩欧美亚洲| 日韩一级片在线播放| 三级在线观看一区二区 | 国产黄人亚洲片| 国产日韩欧美精品综合| 国产激情精品久久久第一区二区| 精品少妇一区二区三区视频免付费 | 欧美电影免费观看高清完整版在线 | 欧美老肥妇做.爰bbww视频| 亚洲成人午夜影院| 欧美老肥妇做.爰bbww| 日韩精品电影在线观看| 欧美一级日韩一级| 美女一区二区久久| 久久色在线视频| 成人午夜私人影院| 亚洲黄色小视频| 欧美日韩日日夜夜| 日本不卡视频在线| 久久精品亚洲麻豆av一区二区| 国产成人日日夜夜| 亚洲人成亚洲人成在线观看图片| 在线观看亚洲成人| 日韩高清一区在线| 国产亚洲午夜高清国产拍精品| 粉嫩高潮美女一区二区三区| 亚洲欧洲性图库| 欧美日韩国产小视频在线观看| 日本在线不卡一区| 久久久久久电影| 91国偷自产一区二区三区成为亚洲经典 | 麻豆国产欧美日韩综合精品二区| 26uuu精品一区二区三区四区在线 26uuu精品一区二区在线观看 | 欧美电影免费观看完整版| 国产不卡视频一区二区三区| 亚洲少妇最新在线视频| 日韩一区二区三区在线观看| 国产成人一区二区精品非洲| 亚洲精品久久久蜜桃| 欧美一级免费大片| 不卡视频免费播放| 秋霞国产午夜精品免费视频| 中文字幕av不卡| 欧美日韩成人综合| 成人黄色一级视频| 美女诱惑一区二区| 亚洲黄色在线视频| 国产日韩av一区| 欧美一区在线视频| 一本色道久久综合亚洲91| 麻豆成人久久精品二区三区红| 国产精品网站在线观看| 日韩亚洲欧美在线观看| 91女神在线视频| 国内成人自拍视频| 日韩精品欧美成人高清一区二区| 国产精品入口麻豆原神| 日韩一本二本av| 欧美色网一区二区| 99re6这里只有精品视频在线观看| 蓝色福利精品导航| 亚洲成人综合视频| 亚洲欧美一区二区在线观看| 精品国产露脸精彩对白 | 国产一区二区h| 美日韩一区二区| 亚洲成av人片一区二区梦乃| **性色生活片久久毛片| 国产亚洲婷婷免费| 精品av久久707| 日韩一区二区电影| 91精品国产色综合久久ai换脸 | 波多野结衣中文字幕一区二区三区| 蜜桃视频免费观看一区| 天堂va蜜桃一区二区三区漫画版| 日韩理论片网站| 亚洲欧洲日韩av| 国产精品毛片久久久久久 | 欧美丝袜丝交足nylons图片| 91香蕉国产在线观看软件| 从欧美一区二区三区| 国产成人精品www牛牛影视| 国产美女娇喘av呻吟久久| 日本sm残虐另类| 麻豆精品在线视频| 蜜桃av噜噜一区| 久久99久国产精品黄毛片色诱| 美国精品在线观看| 国内成人免费视频| 福利一区福利二区| 99视频有精品| 欧美性做爰猛烈叫床潮| 欧美日韩精品三区| 日韩欧美久久久| 亚洲精品一区在线观看| 日本一区二区三区四区| 中文字幕日韩精品一区| 亚洲愉拍自拍另类高清精品| 午夜电影网一区| 精品一区二区在线播放| 国产电影精品久久禁18| 91蜜桃网址入口| 欧美精品在线观看播放| 久久综合久久综合久久综合| 中文成人av在线| 亚洲第一电影网| 国产专区综合网| 91亚洲精品久久久蜜桃网站 | 性做久久久久久| 国产精品一区二区在线播放 | 精品久久久久av影院 | 欧美精品丝袜中出| 国产午夜精品福利| 亚洲精品中文在线观看| 日本欧美加勒比视频| 丁香桃色午夜亚洲一区二区三区| 一本久道久久综合中文字幕 | 精品视频1区2区3区| 久久综合九色欧美综合狠狠 | 国产精品夜夜嗨| 欧美日韩在线播放| 欧美韩日一区二区三区四区| 亚洲激情第一区| 国产伦精品一区二区三区在线观看| 99re热这里只有精品免费视频| 91精品麻豆日日躁夜夜躁| 中文字幕免费不卡| 日韩国产欧美在线视频| 91香蕉视频污在线| 久久婷婷久久一区二区三区| 亚洲一区二区视频在线观看| 国产精品99久久久久久久vr | 色婷婷一区二区三区四区| 精品国产免费一区二区三区四区| 最新国产精品久久精品| 国产一区999| 91麻豆精品国产自产在线观看一区| 亚洲国产精华液网站w| 毛片一区二区三区| 欧美性受xxxx黑人xyx性爽| 国产精品欧美综合在线| 国内精品免费**视频| 制服.丝袜.亚洲.另类.中文| 亚洲同性gay激情无套| 国产成人丝袜美腿| 久久天堂av综合合色蜜桃网|