摘要
重点分析了 2 0 0 0年 2~ 7月份我国北方高温少雨的时空分布特征 ,并与国外及我国历史上的干旱特征进行了对比 ;从大气环流、海洋、天气气候及全球变化的角度初步探讨了干旱的成因 ;回顾了今年春、夏季北方少雨 (干旱 )的预报服务情况 ,并初步展望了未来秋、冬、春季降水趋势 ;建议在制订相应应急政策、加强保护生态环境及水资源的同时 ,加强气象部门对人工影响天气、干旱预警系统及干旱机理等方面的业务建设和科学研究。
The spatial and temporal characteristics of drought in the north of China from Feb to July, 2000, the features compared with those in China history and aboard, the reasons of drought in atmosphere, ocean, weather and climate features as well as global climate change, the influences on the developments of industry and agriculture, human activities, water resource and ecosystem were analyzed.The prediction of rainfall anomaly and its service in the passed spring and summer are reviewed, and the precipitation predictions in the coming autumn, winter and spring were looking ahead In the end, a suggestion was given that while working out the emergency scheme of drought, protecting the ecosphere environment and water resource, the operational development and study works of meteorology and climate must be enhanced, such as the weather modification, the early warning system as well as the mechanism research of drought
出处
《气象》
CSCD
北大核心
2000年第10期3-9,共7页
Meteorological Monthly