| 京-津-唐地区自然灾害系统的特点和发展趋势预测 |
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| CHARACTERISTICS OF THE NATURAL HAZARD SYSTEM AND FORECAST OF ITS TREND OF DEVELOPMENT IN THE BEIJING TIANJIN-TANGSHAN AREA |
| The Beijing-Tianjin-Tangshan area is a politic, cultural and economic center of China. To study the law of natural hazards in this area, forecast their development trend and make corresponding countermeasures is of great significance for protecting lifes and properties of the Party Central Committee and people and sustained development in economy of the aera.According to the study results, the following points can be summerized:1. Natural hazards are not isolated phenomena. They are associated with each other to form a unified system. Various natural hazards that have taken place in the Beijing-Tianjin-Tangshan area are a part of this system.The occurrence of the natural hazard system is closely related to variations of natural environments, synchronic movements and mutual influences of various earth's spheres and movements of the whole earth and activities of celestial bodies.2. A laege amount of data indicate that from the end of the 20th century to the beginning of the 21st century natural hazards will freqently occur in the Beijin-Tiaujin-Tangshan area.3. Natural hazards are liable to lake place in the Beijing-Tianjin-Tangshan area, on account of its specialtectonic position and natural environment. Especially, Beijing and Tianjin municipalities and their surroundings will be faced with threats of regional disasters and those characteristic of a city.4. As the natural hazards are measured using different scaJes a.nd their genetic mechanisms are complex, the knowledges obtained need to be analyzed in a concret way rather than disccused in generlities. |
| GAO Qing-hua,SUN Zhe-qing.1991.CHARACTERISTICS OF THE NATURAL HAZARD SYSTEM AND FORECAST OF ITS TREND OF DEVELOPMENT IN THE BEIJING TIANJIN-TANGSHAN AREA[J].Acta Geoscientica Sinica,12(3):101-113. |
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