习近平总书记在视察唐山时的重要讲话:我国是世界上自然灾害最为严重的国家之一,灾害种类多,分布地域广,发生频率高,造成损失重,这是一个基本国情。新中国成立以来特别是改革开放以来,我们不断探索,确立了以防为主、防抗救相结合的工作方针,国家综合防灾减灾救灾能力得到全面提升。要总结经验,进一步增强忧患意识、责任意识,坚持以防为主、防抗救相结合,坚持常态减灾和非常态救灾相统一,努力实现从注重灾后救助向注重灾前预防转变,从应对单一灾种向综合减灾转变,从减少灾害损失向减轻灾害风险转变,全面提升全社会抵御自然灾害的综合防范能力。防灾减灾救灾事关人民生命财产安全,事关社会和谐稳定,是衡量执政党领导力、检验政府执行力、评判国家动员力、体现民族凝聚力的一个重要方面。当前和今后一个时期,要着力从加强组织领导、健全体制、完善法律法规、推进重大防灾减灾工程建设、加强灾害监测预警和风险防范能力建设、提高城市建筑和基础设施抗灾能力、提高农村住房设防水平和抗灾能力、加大灾害管理培训力度、建立防灾减灾救灾宣传教育长效机制、引导社会力量有序参与等方面进行努力。

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缅怀美籍华人科学家郭宗汾先生

发布时间:2022-05-20

2022年4月29日,美籍华人科学家、国际著名地球物理学家、哥伦比亚大学教授、原奥尔德里奇应用地球物理实验室主任,郭宗汾先生在美国纽约去世,享年100岁。

1985郭教授与Ostreim在白家疃山洞

1985郭宗汾教授(右二与重力组在白家疃北京国家地球观象台山洞调研

上世纪八十年代,由中国地震局地球物理研究所顾功叙教授和美国哥伦比亚大学郭宗汾John T.Kuo教授倡导的中美合作项目局部重力场变化与地震发生的关系立项。其研究宗旨是在京津唐张地区开展时变重力观测探索与地震发生有关的重力变化现象和机理,该工作为后来我国建立大陆地震时变重力监测网络系统奠定了研究基础。

1976年唐山大地震后,时任美国哥伦比亚大学拉蒙特-多尔蒂地质观象台的郭宗汾教授心系祖国,他多方筹集资金并带着当时最先进的新型高精度重力仪器和成套设备来到我国华北地区建立了8个具有连续观测能力的重力台站和流动观重力重复观测网,通过二十多年的研究获得了京津唐张地区与地震发生有关的重力变化过程具有清晰的、一致的图像。该项目成果也为研究局部重力场变化与地震之间关系的提供了宝贵的地球物理学依据。

 

Cherish the memory of Professor John T. Kuo

April 29, 2022, Professor John T. Kuo, a Chinese American scientist, a world-famous geophysicist, a great professor at the Columbia University, and the former director of the Aldridge Laboratory of Applied Geophysics, passed away in New York, USA, at the age of 100.

We lost Professor John T. Kuo only days ago, but we have missed him for a long time. In the 1980s, the Sino-US cooperative project of "Relationship between local gravity field variation and earthquakes" was initiated by Professor John T. Kuo and Professor Gongxu Gu from Institute of Geophysics, China Earthquake Administration. The purpose of the project is to carry out time-varying gravity observations in Beijing-Tianjin-Tangshan-Zhangjiakou area, and to explore the mechanism of gravity variations related to the occurrence of earthquakes. This project laid the research foundations for the establishment of continental earthquake time-varying gravity monitoring network system in China.

After the Tangshan earthquake in 1976, Professor John T. Kuo, who was working at the Lamont–Doherty Earth Observatory at the Columbia University, had shown his love towards the motherland. He raised funds from various sources and bought lots of most advanced new high-precision gravity instruments in the world at that time for China, establishing 8 gravity stations with continuous monitoring capabilities and a mobile gravity repeated observation network system in the North China. He obtained clear and consistent images showing the gravity variation is related to the earthquake occurrence in Beijing-Tianjin-Tangshan-Zhangjiakou area, based on more than 20 years of research. The results of this project also provide valuable geophysical bases for studying the relationship between local gravity field variation and earthquakes.

 

(重力与地壳形变研究室 供稿)