Results 1 to 10 of about 1,990,424 (342)

Examination of different wall jet and impinging jet concepts to produce large-scale downburst outflow

open access: yesFrontiers in Built Environment, 2022
Thunderstorm downburst winds are a major cause of severe damage to buildings and other infrastructure. The initiative of the NSF-NHERI Wall of Wind (WOW) Experimental Facility to design and develop a downburst simulator was established to open new ...
Alvaro Danilo Mejia   +7 more
doaj   +1 more source

Climate change, not human population growth, correlates with Late Quaternary megafauna declines in North America

open access: yesNature Communications, 2021
There are a number of competing explanations for the late Pleistocene extinction of many North American megafauna species. Here, the authors apply a Bayesian regression approach that finds greater concordance between megafaunal declines and climate ...
Mathew Stewart   +2 more
doaj   +1 more source

Heatwaves, hospitals and health system resilience in England: a qualitative assessment of frontline perspectives from the hot summer of 2019

open access: yesBMJ Open, 2023
Objective To critically assess the impacts of very hot weather on (i) frontline staff in hospitals in England and (ii) on healthcare delivery and patient safety.Study design A qualitative study design using key informant semi-structured interviews ...
Sari Kovats   +4 more
doaj   +1 more source

Extreme events in biological, societal, and earth sciences: A systematic review of the literature

open access: yesFrontiers in Earth Science, 2022
The term “extreme event” is commonly used to describe high-impact, unanticipated natural events, like floods, tsunamis, earthquakes, and volcanic eruptions.
Mathew Stewart   +5 more
doaj   +1 more source

Graduate Certificate in Local Development Planning, Land Use Management and Disaster Risk Management: KAP Longitudinal Study

open access: yesRevista de Estudios Latinoamericanos sobre Reducción del Riesgo de Desastres, 2022
This study evaluates the knowledge retention of the fifth cohort´s graduates of the Certificate in 'Local development planning, land use management, and disaster risk management' (PDLOTGR), an academic postgraduate program implemented in Latin America ...
Juan Pablo Sarmiento, Catalina Sarmiento
doaj   +1 more source

A Song of Neither Ice nor Fire: Temperature Extremes had No Impact on Violent Conflict Among European Societies During the 2nd Millennium CE

open access: yesFrontiers in Earth Science, 2021
The second millennium CE in Europe is known for both climatic extremes and bloody conflict. Europeans experienced the Medieval Warm Period and the Little Ice Age, and they suffered history-defining violence like the Wars of the Roses, Hundred Years War ...
W. Christopher Carleton   +5 more
doaj   +1 more source

Impact and Recovery Process of Mini Flash Crashes: An Empirical Study [PDF]

open access: yes, 2017
In an Ultrafast Extreme Event (or Mini Flash Crash), the price of a traded stock increases or decreases strongly within milliseconds. We present a detailed study of Ultrafast Extreme Events in stock market data.
Braun, Tobias   +4 more
core   +6 more sources

Risk Transfer for Populations in Precarious Urban Environments

open access: yesInternational Journal of Disaster Risk Science, 2020
This study explores risk transfer options that precarious and marginal urban communities could use to protect themselves from future damages and losses generated by socio-natural hazards and disasters at the individual and community levels. The design is
Juan Pablo Sarmiento   +1 more
doaj   +1 more source

Bayesian regression versus machine learning for rapid age estimation of archaeological features identified with lidar at Angkor

open access: yesScientific Reports, 2023
Lidar (light-detection and ranging) has revolutionized archaeology. We are now able to produce high-resolution maps of archaeological surface features over vast areas, allowing us to see ancient land-use and anthropogenic landscape modification at ...
W. Christopher Carleton   +5 more
doaj   +1 more source

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