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 / English Column / Environment Tools: Save | Print | E-mail | Most Read
First 'Sandstorm Almanac' to Make Its Debut
Adjust font size:
China's first Sandstorm Almanac' will be published next year, offering an authoritative account of the sandstorms which have taken place in China during 2002.

The newly-established National Committee of Sandstorm Experts is composed of 25 people, coming from the Chinese Academy of Sciences, the State Meteorological Center, the Chinese Academy of Forestry, the Chinese Academy of Agricultural Sciences, Lanzhou University and other scientific institutes from relevant provinces. The 25 experts bear the responsibility of summarizing of year's dusty conditions, evaluating the quality of forecast services, examining and approving the Sandstorm Almanac,' summarizing the implementation of joint strategies to cope with dust clouds and sandstorms, and deciding on measures related to scientific and technological developments concerned with sandstorms.

According to the experts, China's northern areas have been hit by 12 dust clouds during this year's March to May period. Of them, 11 were so severe as to constitute sandstorms. The frequency of dust clouds in 2002 declined when compared with previous years (15 times in 2000, and 18 times in 2001). However, the intensity of dust activity hasn't weakened. Of this year's 11 sandstorms, four reached extreme' levels, while only two in 2001 and three in 2000 reached such intensity. The number of extreme sandstorms to occur in 2002 is the highest in recent history.

Individual dust clouds are also lasting for longer periods - generally two to three days with the longest lasting for more than four. In 2002, ten provinces have been affected by sandstorms, while 18 provinces were hit by high levels of dust particles and dust clouds. The total number of people affected by dusty conditions rose to 490 million for 2002.

Expert analysis indicates that three consecutive years of drought in north China, particularly in Inner Mongolia, is an important factor behind the increasing intensity of sandstorms this year. Additionally, less vegetation cover and a warmer winter in 2001 reduced the level of moisture in the soil. When intensely cold winds meet with dry soil the perfect conditions are created for dust clouds and sandstorms.

(china.org.cn by Zhang Tingting December 28, 2002)

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

Related Stories
Inner Mongolia Sandstorm Affects Northeast China
Program to Combat Dust Storms
Green Belt to Halt Spread of Deserts
China to Invest Heavily in Battling Sandstorms
Snow Used to End Sandstorms
China to Divert Slush to Curb Sandstorms
China, Japan and ROK Agree on Monitoring Sandstorms
 
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
99re66热这里只有精品3直播 | 最新国产成人av网站网址麻豆| 国产精品久久久久久亚洲调教 | 在线成人www免费观看视频| 国产精品一区二区黑丝| 欧美性猛交99久久久久99按摩| 欧美日韩国产区一| 欧美激情一区二区三区不卡| 欧美va亚洲va日韩∨a综合色| 久久一区二区三区国产精品| 久久久久国内| 欧美在线视频日韩| 欧美综合国产精品久久丁香| 欧美一区二区三区免费视| 亚洲欧美视频| 欧美亚洲午夜视频在线观看| 亚洲砖区区免费| 亚洲一区二区三区精品视频| 亚洲伊人一本大道中文字幕| 亚洲一区欧美| 午夜精彩国产免费不卡不顿大片| 午夜精品www| 欧美综合二区| 久久免费黄色| 欧美aaa级| 欧美乱在线观看| 欧美视频一区二区| 国产精品丝袜白浆摸在线| 国产欧美日本在线| 国产一二三精品| 精品不卡在线| 亚洲激情成人| 99视频一区二区| 亚洲欧美第一页| 久久精品盗摄| 亚洲乱码视频| 亚洲一区精彩视频| 欧美亚洲网站| 鲁大师成人一区二区三区| 欧美大尺度在线观看| 欧美日韩日本国产亚洲在线| 国产精品美女久久久久aⅴ国产馆| 国产精品久久久久久超碰 | 99视频+国产日韩欧美| 亚洲无线视频| 欧美一区二区三区精品电影| 久久野战av| 欧美区二区三区| 国产精品你懂的| 激情五月综合色婷婷一区二区| 亚洲人成在线免费观看| 亚洲一区二区三区精品在线观看| 久久狠狠亚洲综合| 日韩亚洲不卡在线| 欧美一区三区三区高中清蜜桃| 久久综合图片| 欧美日韩中文在线| 国内精品视频一区| 亚洲精选久久| 欧美一级精品大片| 亚洲精品免费在线播放| 亚洲免费影视| 暖暖成人免费视频| 国产精品你懂的| 亚洲国内在线| 欧美一级片在线播放| 亚洲人久久久| 午夜精品福利在线| 欧美精品电影| 国产一区再线| 一本久久综合亚洲鲁鲁| 欧美亚洲三区| av成人动漫| 久久久噜久噜久久综合| 欧美日韩一区二区精品| 国产一区二区三区高清播放| 亚洲精品女人| 久久精品欧美日韩精品| 亚洲免费中文字幕| 欧美精品1区| 狠狠色狠狠色综合日日小说| 一区二区三区精品久久久| 亚洲国产欧美一区二区三区久久| 午夜精品在线| 欧美巨乳在线| 一区在线免费观看| 午夜精彩视频在线观看不卡| 一区二区三区高清不卡| 开心色5月久久精品| 国产伦精品一区二区三区高清| 亚洲精品日韩激情在线电影| 欧美在线观看一区二区三区| 亚洲中字黄色| 欧美日韩三级| 亚洲人成免费| 亚洲国产精品va在线看黑人 | 欧美成人一区在线| 黄色成人av在线| 亚洲欧美日韩爽爽影院| 亚洲视频一区| 欧美激情1区2区3区| 伊人春色精品| 欧美在线国产精品| 欧美一区二区三区免费在线看| 欧美日韩卡一卡二| 亚洲精品极品| 亚洲日本久久| 欧美成人午夜激情视频| 一区二区三区在线视频免费观看 | 亚洲视频免费观看| 欧美精品18| 亚洲国产经典视频| 亚洲日本中文| 蜜桃av噜噜一区| 尹人成人综合网| 亚洲电影免费在线| 噜噜噜91成人网| 曰韩精品一区二区| 亚洲国产精品国自产拍av秋霞| 久久亚洲国产精品一区二区| 国产一区二区成人久久免费影院| 亚洲欧美在线免费观看| 欧美在线免费| 国产一区二区成人| 欧美在线免费一级片| 久久国产一区| 国产亚洲精品高潮| 久久99伊人| 麻豆精品传媒视频| 亚洲大胆女人| 日韩亚洲在线观看| 欧美日本国产视频| 99伊人成综合| 亚洲女同精品视频| 国产欧美1区2区3区| 午夜精品免费在线| 久久久视频精品| 一区二区三区在线免费视频 | av成人毛片| 国产精品国产三级国产aⅴ浪潮| 亚洲无限乱码一二三四麻| 亚洲欧美日韩一区| 国产精品手机视频| 欧美在线日韩| 男人的天堂成人在线| 亚洲精品久久| 午夜精彩国产免费不卡不顿大片| 国产欧美视频一区二区| 欧美在线视频在线播放完整版免费观看| 久久精品五月| 亚洲国产美国国产综合一区二区| 日韩午夜精品| 国产精品激情电影| 亚洲欧美制服另类日韩| 久热国产精品视频| 亚洲人精品午夜在线观看| 亚洲一区二区在线观看视频| 国产日韩精品久久久| 亚洲国产精品第一区二区三区| 欧美精品乱码久久久久久按摩| 一卡二卡3卡四卡高清精品视频| 欧美一区二区三区在线看 | 亚洲一区二区高清视频| 久久精品欧洲| 91久久精品久久国产性色也91| 亚洲视频每日更新| 国产日韩欧美亚洲| 亚洲免费成人| 国产欧美日韩在线播放| 亚洲激情av| 欧美视频中文在线看 | 亚洲天堂久久| 国产一区二区精品丝袜| 99精品久久| 国产亚洲午夜| 一区二区成人精品| 国产一区二区高清| 一本色道久久综合狠狠躁篇怎么玩 | 久久精品在线视频| 亚洲卡通欧美制服中文| 久久电影一区| 亚洲另类春色国产| 久久久久久久综合狠狠综合| 亚洲精品美女久久久久| 久久福利视频导航| 亚洲精品免费在线观看| 久久精品国产清高在天天线| 亚洲免费黄色| 久久夜色精品国产噜噜av| 在线亚洲一区二区| 欧美成人久久| 欧美有码在线观看视频| 欧美视频在线一区| 亚洲激情欧美| 国产色视频一区| 亚洲视频在线免费观看| 精品成人乱色一区二区| 欧美一级大片在线观看| 亚洲欧洲日产国产网站| 久久亚洲图片|