Results 1 to 10 of about 481,083 (295)

Mitigating Natural Disasters [PDF]

Science, 1999
N atural disasters have caused enormous losses in many countries and have set back economic progress in developing countries by years. The future looks even worse, as populations in many parts of the world migrate into hazard-prone regions and into major urban centers, which are particularly vulnerable because of their dependence on complex ...
F, Press, R M, Hamilton
openaire   +4 more sources

Evaluation of Near-Field Earthquake-Induced Pounding in Building with Friction Pendulum Bearing Considering Seismic Gap of 360 Standard [PDF]

پژوهش‌های زیرساخت‌های عمرانی, 2023
In this paper, the effect of seismic pounding of adjacent structures on buildings isolated by double (DFPB) and triple friction pendulum bearings (TFPB) is investigated.
Ayoub Shakouri, Gholamreza Ghodrati Amiri, Ali Asghar Kaviani   +2 more
doaj   +1 more source

Deadly disasters in southeastern South America: flash floods and landslides of February 2022 in Petrópolis, Rio de Janeiro [PDF]

Natural Hazards and Earth System Sciences, 2023
On 15 February 2022, the city of Petrópolis in the highlands of the state of Rio de Janeiro, Brazil, received an unusually high volume of rain within 3 h (258 mm), generated by a strongly invigorated mesoscale convective system.
E. Alcântara, J. A. Marengo, J. A. Marengo, J. Mantovani, L. R. Londe, L. R. Londe, R. L. Y. San, E. Park, Y. N. Lin, J. Wang, T. Mendes, T. Mendes, A. P. Cunha, A. P. Cunha, L. Pampuch, L. Pampuch, M. Seluchi, S. Simões, L. A. Cuartas, L. A. Cuartas, D. Goncalves, K. Massi, K. Massi, R. Alvalá, R. Alvalá, O. Moraes, O. Moraes, C. S. Filho, R. Mendes, R. Mendes, C. Nobre, C. Nobre   +31 more
doaj   +1 more source

Flash floods and landslides in the city of Recife, Northeast Brazil after heavy rain on May 25–28, 2022: Causes, impacts, and disaster preparedness

Weather and Climate Extremes, 2023
From late May to early June 2022, 130 people died in catastrophic landslides and flash flood events triggered by exceptionally heavy rains in the states of Pernambuco, Alagoas, and Paraíba, along the coast of Northeast Brazil.
J.A. Marengo, E. Alcantara, A.P. Cunha, M. Seluchi, C.A. Nobre, G. Dolif, D. Goncalves, M. Assis Dias, L.A. Cuartas, F. Bender, A.M. Ramos, J.R. Mantovani, R.C. Alvalá, O.L. Moraes   +13 more
doaj   +1 more source

Estimating the recurrence of earthquakes with statistical methods in the city of Bingöl, Eastern Türkiye: a district-based approach

Bulletin of the Mineral Research and Exploration, 2023
This study discusses the temporal distribution of earthquake magnitudes in the city of Bingöl, near Karlıova Triple Junction. We determine the probability distributions and return periods of earthquakes for all districts of Bingöl.
Ömer Faruk Nemutlu, Kenan Akbayram, Sadık Alashan   +2 more
doaj   +1 more source

A Novel Damage Detection Method of Reinforced Concrete Frames Using Signal Processing and Extracted Near-Fault Fling-Step Pulses

Shock and Vibration, 2022
A new model-free output-only signal processing-based damage detection procedure was carried out in this paper. First of all, a finite element model as the representative of reinforced concrete (RC) frames was constructed and subjected to a specific ...
Amir Ezzodin, Gholamreza Ghodrati Amiri, Hosein Naderpour, Morteza Raissi Dehkordi   +3 more
doaj   +1 more source

Transfer Learning for CNN-Based Damage Detection in Civil Structures with Insufficient Data

Shock and Vibration, 2022
Among various methods proposed for health monitoring of structures, deep learning-based techniques with their powerful performance have attracted considerable attention in recent years.
Mona Chamangard, Gholamreza Ghodrati Amiri, Ehsan Darvishan, Zahra Rastin   +3 more
doaj   +1 more source

Expression an Effective Method in Generation of Random Samples to Calculate the Failure Probability of Structures With MCS Method [PDF]

پژوهش‌های زیرساخت‌های عمرانی, 2020
Reliability theory is a part of the general theory of probability that earned a special place in engineering science over recent decades. This theory has a logical framework.
Mehdi Nikouei Mahani, Amir Mahmoudzade, Manuchehr Emamgholi Babadi   +2 more
doaj   +1 more source

The Changes of Desertification and Its Driving Factors in the Gonghe Basin of North China over the Past 10 Years

Land, 2023
Desertification is one of the most severe environmental and socioeconomic issues facing the world today. Gonghe Basin is located in the monsoon marginal zone of China, is a sensitive area of climate change in the northeastern of the Qinghai-Tibet Plateau
Hong Jia, Rui Wang, Hang Li, Baijian Diao, Hao Zheng, Lanlan Guo, Lianyou Liu, Jifu Liu   +7 more
doaj   +1 more source

Extreme Drought in the Brazilian Pantanal in 2019–2020: Characterization, Causes, and Impacts

Frontiers in Water, 2021
The Pantanal region in South America is one of the world's largest wetlands. Since 2019, the Pantanal has suffered a prolonged drought that has spelled disaster for the region, and subsequent fires have engulfed hundreds of thousands of hectares.
Jose A. Marengo, Jose A. Marengo, Ana P. Cunha, Ana P. Cunha, Luz Adriana Cuartas, Luz Adriana Cuartas, Karinne R. Deusdará Leal, Elisangela Broedel, Marcelo E. Seluchi, Camila Miranda Michelin, Camila Miranda Michelin, Cheila Flávia De Praga Baião, Eleazar Chuchón Angulo, Elton K. Almeida, Elton K. Almeida, Marcos L. Kazmierczak, Nelson Pedro António Mateus, Rodrigo C. Silva, Rodrigo C. Silva, Fabiani Bender   +19 more
doaj   +1 more source