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Flooding is a destructive and dangerous hazard and climate change appears to be increasing the frequency of catastrophic flooding events around the world. Physics-based flood models are costly to calibrate and are rarely generalizable…

机器学习 · 计算机科学 2019-10-16 Chelsea Sidrane , Dylan J Fitzpatrick , Andrew Annex , Diane O'Donoghue , Yarin Gal , Piotr Biliński

We propose a nonlinear ocean forecasting technique based on a combination of genetic algorithms and empirical orthogonal function (EOF) analysis. The method is used to forecast the space-time variability of the sea surface temperature (SST)…

In the last 25 years there has been an important increase in the amount of data collected from animal-mounted sensors (bio-probes), which are often used to study the animals' behaviour or environment. We focus here on an example of the…

应用统计 · 统计学 2019-06-20 Daniel Dinsdale , Matias Salibian-Barrera

Planners who wish to manage coastal flood risk with long-lived infrastructure (e.g., levees, floodwalls) under a constrained computational budget face a tradeoff. Simulating a large number of future time periods or scenarios with different…

大气与海洋物理 · 物理学 2024-01-03 David R Johnson , Mohammad Ahmadi Gharehtoragh

In this work, we study the presence of hurricanes on exoplanets. Tidally locked terrestrial planets around M dwarfs are the main targets of space missions looking to discover habitable exoplanets. The question of whether hurricanes can form…

地球与行星天体物理 · 物理学 2020-11-12 Mingyu Yan , Jun Yang

This paper combines fisheries dependent data and environmental data to be used in a machine learning pipeline to predict the spatio-temporal abundance of two species (plaice and sole) commonly caught by the Belgian fishery in the North Sea.…

计算机视觉与模式识别 · 计算机科学 2022-05-05 Matthieu Ospici , Klaas Sys , Sophie Guegan-Marat

Significant wave height forecasting is a key problem in ocean data analytics. This task affects several maritime operations, such as managing the passage of vessels or estimating the energy production from waves. In this work, we focus on…

机器学习 · 统计学 2024-05-07 Vitor Cerqueira , Luis Torgo

The prediction of the intensity, location and time of the landfall of a tropical cyclone well advance in time and with high accuracy can reduce human and material loss immensely. In this article, we develop a Long Short-Term memory based…

机器学习 · 计算机科学 2021-03-31 Sandeep Kumar , Koushik Biswas , Ashish Kumar Pandey

Numerous methods exist and were developed for global radiation forecasting. The two most popular types are the numerical weather predictions (NWP) and the predictions using stochastic approaches. We propose to compute a parameter noted…

Upper-ocean flows are a multi-scale jigsaw puzzle of turbulence and waves. Characterizing these flows is essential for understanding their role in redistributing heat, carbon, and nutrients, yet power spectral analysis cannot always…

大气与海洋物理 · 物理学 2025-05-05 J. W. Skinner , A. Lawrence , J. Callies

We study the impact of three stochastic parametrizations in the ocean component of a coupled model, on forecast reliability over seasonal timescales. The relative impacts of these schemes upon the ocean mean state and ensemble spread are…

大气与海洋物理 · 物理学 2016-05-04 M. Andrejczuk , F. C. Cooper , S. Juricke , T. N. Palmer , A. Weisheimer , L. Zanna

This paper studies natural disasters and the psychological costs of climate change. It presents what we believe to be the first evidence that higher temperature variability and not a higher level of temperature is what predicts natural…

综合经济学 · 经济学 2024-09-24 Aatishya Mohanty , Nattavudh Powdthavee , Cheng Keat Tang , Andrew J. Oswald

Tropical cyclones cause significant inland hazards, including wind damage and freshwater flooding, that depend strongly on how storm intensity evolves at and after landfall. Existing theoretical predictions for the time-dependent and…

大气与海洋物理 · 物理学 2021-10-27 Jie Chen , Daniel R. Chavas

Atmospheric models used for weather and climate prediction are traditionally formulated in a deterministic manner. In other words, given a particular state of the resolved scale variables, the most likely forcing from the sub-grid scale…

机器学习 · 计算机科学 2024-02-16 Hannah M. Christensen , Salah Kouhen , Greta Miller , Raghul Parthipan

Coastally associated rainfall is a common feature especially in tropical and subtropical regions. However, it has been difficult to quantify the contribution of coastal rainfall features to the overall local rainfall. We develop a novel…

大气与海洋物理 · 物理学 2015-10-16 Martin Bergemann , Christian Jakob , Todd P. Lane

We explore hurricane and ocean reanalysis data to understand how rapid intensification (RI) of tropical cyclones is impacted by the upper ocean density structure, with an emphasis on barrier layer (BL) thickness and thermocline depth in the…

大气与海洋物理 · 物理学 2026-03-18 F. J. Beron-Vera , G. Bonner , M. J. Olascoaga , S. Dong , H. Lopez

Based on realistic estimates of geophysical conditions it is demonstrated that by practical means; (1) the intensity of a hurricane can be diminished before making landfall; (2) and other circumstances, a potential hurricane might be…

大气与海洋物理 · 物理学 2022-05-09 Lawrence Sirovich

North Pacific sea surface temperatures (SST), as used in estimating the PDO, are reanalyzed using state-space decomposition and subspace identification techniques. The reanalysis presents a very different picture of SST in this region. The…

应用统计 · 统计学 2012-04-12 Roy Mendelssohn , CIndy Bessey

Community risk perceptions can influence their abilities to cope with coastal hazards such as hurricanes and coastal flooding.Our study presents an initial effort to examine the relationship between community resilience and risk perception…

应用统计 · 统计学 2017-12-12 Wanyun Shao , Maaz Gardezi , Siyuan Xian

We present predictions for the statistical error due to finite sampling in the presence of thermal fluctuations in molecular simulation algorithms. Specifically, we establish how these errors depend on Mach number, Knudsen number, number of…

统计力学 · 物理学 2009-11-07 Nicolas Hadjiconstantinou , Alejandro L. Garcia , Martin Z. Bazant , Gang He