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加拿大工程院院士M. Hesham El Naggar来中国地质大学（武汉）作报告（图）
加拿大工程院 院士 M. Hesham El Naggar 中国地质大学（武汉） 报告 地震力学
2019/4/25
2019年4月15日，国际著名岩土工程专家、加拿大工程院院士M. Hesham El Naggar教授来校作学术报告，100余位师生聆听了报告。M.Hesham El Naggar教授以《三面预制混凝土涵洞的性能评估及设计准则》为题，从力学分析、现场试验和数值模拟三个方面介绍了三边涵洞的变形机理，以加拿大现行的箱型涵洞计算公式为基础，通过对涵洞上臂弯曲系数的分析，为现场师生们展现了三边涵洞在地下设...
A comparison of f0F hmE model calculations with El Arenosillo digisonde observations. Seasonal variations
Ionospheric E-layer-theoretical modeling solar EUV nitric oxide
2015/10/8
Seasonal variations of hmE and f0F2 are analyzed using El Arenosillo digisonde observations during solar minimum (1995-1996). Unlike some widely used empirical models daytime hmE show seasonal variati...
A method for f0F2 monitoring over Spain using the El Arenosillo digisonde current observations
Ionospheric F2 layer short-term prediction methods ionospheric mapping
2015/10/8
Ionosphere monitoring implies: observations, prediction and mapping of ionospheric parameters. A case with one available (El Arenosillo) ionosonde is considered. Some statistical methods for f0F2 shor...
Paleoseismological data from a new trench across the El Camp Fault(Catalan Coastal Ranges,NE Iberian Peninsula)
paleoseismicity trenching normal fault Catalan Coastal Ranges El Camp Fault
2015/9/16
The El Camp Fault (Catalan Coastal Ranges, NE Iberian Peninsula) is a slow slipping normal fault whose seismic potential has only recently been recognised. New geomorphic and trench investigations wer...
The El Nino events: their classification and scale-invariance laws
fractal geometry scale-invariance MEI, El Nino, SOC
2015/8/28
Many point indices have been developed to describe the El Niño/Southern Oscillation but the Multivariate ENSO Index (MEI) is considered the most representative since it links different meteorolog...
Floating stones off El Hierro, Canary Islands: xenoliths of pre-island sedimentary origin in the early products of the October 2011 eruption
Floating stones off El Hierro Canary Islands xenoliths of pre-island sedimentary origin early products
2015/1/4
A submarine eruption started off the south coast of El Hierro, Canary Islands, on 10 October 2011 and continues at the time of this writing (February 2012). In the first days of the event, peculiar er...
Superficial simplicity of the 2010 El Mayor–Cucapah earthquake of Baja California in Mexico
Superficial simplicity El Mayor–Cucapah earthquake Baja California in Mexico
2014/4/9
The geometry of faults is usually thought to be more complicated at the surface than at depth and to control the initiation, propagation and arrest of seismic ruptures 1–6. The fault system that runs ...
不同强度El Ni?o的衰减过程.Ⅱ,中等和较弱El Ni?o的衰减过程
中等El Ni?o 衰减 较弱El Ni?o
2010/12/27
在第二部分,我们研究了中等和较弱El Ni?o的衰减过程. 结果表明,对中等El Ni?o而言,在其发展阶段和盛期,负异常信号在西太平洋产生,但由于强度不足,在El Ni?o盛期之后迅速衰减,这是一种夭折的类西太平洋振子过程. 因此,与强El Ni?o不同,中等El Ni?o衰减进入平常态. 而较弱El Ni?o以截然不同的另一种方式进行位相转换,伴随东南太平洋副高的加强和西移,东风异常和海表温度...
Assessment of earthquake-triggered landslide susceptibility in El Salvador based on an Artificial Neural Network model
Assessment earthquake-triggered landslide susceptibility El Salvador based Artificial Neural Network model
2010/10/20
This paper presents an approach for assessing earthquake-triggered landslide susceptibility using artificial neural networks (ANNs). The computational method used for the training process is a back-pr...
Detecting spatial patterns with the cumulant function–Part 2:An application to El Niño
spatial patterns cumulant function El Niñ o
2009/10/30
The spatial coherence of a measured variable (e.g. temperature or pressure) is often studied to determine the regions of high variability or to find teleconnections, i.e. correlations between specific...
