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Sequential sampling strategy for extreme event statistics in nonlinear dynamical systems. [PDF]

open access: yesProc Natl Acad Sci U S A, 2018
We develop a method for the evaluation of extreme event statistics associated with nonlinear dynamical systems, using a small number of samples. From an initial dataset of design points, we formulate a sequential strategy that provides the 'next-best ...
Mohamad MA, Sapsis TP.
europepmc   +2 more sources

Bivariate Copula Trees for Gross Loss Aggregation with Positively Dependent Risks

open access: yesRisks, 2022
We propose several numerical algorithms to compute the distribution of gross loss in a positively dependent catastrophe insurance portfolio. Hierarchical risk aggregation is performed using bivariate copula trees.
Rafał Wójcik, Charlie Wusuo Liu
doaj   +1 more source

Recurrence analysis of extreme event-like data [PDF]

open access: yesNonlinear Processes in Geophysics, 2021
The identification of recurrences at various timescales in extreme event-like time series is challenging because of the rare occurrence of events which are separated by large temporal gaps.
A. Banerjee   +11 more
doaj   +1 more source

Quantification and Reduction of Uncertainty in Seismic Resilience Assessment for a Roadway Network

open access: yesInfrastructures, 2023
The nation’s transportation systems are complex and are some of the highest valued and largest public assets in the United States. As a result of repeated natural hazards and their significant impact on transportation functionality and the socioeconomic ...
Vishnupriya Jonnalagadda   +3 more
doaj   +1 more source

Modeling Under-Reporting in Cyber Incidents

open access: yesRisks, 2022
Under-reporting in cyber incidents is a well-established problem. Due to reputational risk and the consequent financial impact, a large proportion of incidents are never disclosed to the public, especially if they do not involve a breach of protected ...
Seema Sangari   +2 more
doaj   +1 more source

The Performance of S2S Models on Predicting the 21.7 Extreme Rainfall Event in Henan China

open access: yesAtmosphere, 2022
Extreme rainfall may cause meteorological disasters and has tremendous impact on societies and economics. Assessing the capability of current dynamic models for rainfall prediction, especially extreme rainfall event prediction, at sub-seasonal to ...
Xiaojuan Wang   +4 more
doaj   +1 more source

Conditional attribution of climate change and atmospheric circulation contributing to the record-breaking precipitation and temperature event of summer 2020 in southern China

open access: yesEnvironmental Research Letters, 2021
Quantification of the contribution of atmospheric circulation to damaging extreme weather and climate events and the attribution of extreme events in the context of climate change has been gaining worldwide interest.
Yangbo Ye, Cheng Qian
doaj   +1 more source

Climate change increased extreme monsoon rainfall, flooding highly vulnerable communities in Pakistan

open access: yesEnvironmental Research: Climate, 2023
As a direct consequence of extreme monsoon rainfall throughout the summer 2022 season Pakistan experienced the worst flooding in its history. We employ a probabilistic event attribution methodology as well as a detailed assessment of the dynamics to ...
Friederike E L Otto   +25 more
doaj   +1 more source

Innovative health professional leadership for a climate-resilient Bahamas

open access: yesThe Journal of Climate Change and Health, 2021
The Commonwealth of the Bahamas recognizes the reality of climate change and its disproportionate impacts on the health and welfare of small island states.
Calae D. Philippe   +3 more
doaj   +1 more source

Thunderstorms as extreme climate event in Serbia [PDF]

open access: yesGlasnik Srpskog Geografskog Društva, 2009
Humankind has been exposed to climate extremes from the very beginning of its existence. Today, prevention and mitigation of natural catastrophes have become a priority for International Union and World Meteorological Organization. Atmospheric electrical
Anđelković Goran
doaj   +1 more source

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