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This work aims to produce landslide density estimates using Synthetic Aperture Radar (SAR) satellite imageries to prioritise emergency resources for rapid response. We use the United States Geological Survey (USGS) Landslide Inventory data…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Vanessa Boehm , Wei Ji Leong , Ragini Bal Mahesh , Ioannis Prapas , Edoardo Nemni , Freddie Kalaitzis , Siddha Ganju , Raul Ramos-Pollán

Neural networks are a promising technique for parameterizing sub-grid-scale physics (e.g. moist atmospheric convection) in coarse-resolution climate models, but their lack of interpretability and reliability prevents widespread adoption.…

Atmospheric and Oceanic Physics · Physics 2020-12-30 Noah D. Brenowitz , Tom Beucler , Michael Pritchard , Christopher S. Bretherton

Accurate prediction of atmospheric optical turbulence in localized environments is essential for estimating the performance of free-space optical systems. Macro-meteorological models developed to predict turbulent effects in one environment…

Atmospheric and Oceanic Physics · Physics 2023-10-30 Christopher Jellen , Charles Nelson , John Burkhardt , Cody Brownell

Tropical cyclones present a serious threat to many coastal communities around the world. Many numerical weather prediction models provide deterministic forecasts with limited measures of their forecast uncertainty. Standard postprocessing…

Applications · Statistics 2022-11-01 Stephen A. Walsh , Marco A. R. Ferreira , Dave Higdon , Stephanie Zick

Coastal regions in North America face major threats from storm surges caused by hurricanes and nor'easters. Traditional numerical models, while accurate, are computationally expensive, limiting their practicality for real-time predictions.…

Atmospheric and Oceanic Physics · Physics 2025-06-18 Saeed Saviz Naeini , Reda Snaiki , Teng Wu

Weather forecasting is a vitally important tool for tasks ranging from planning day to day activities to disaster response planning. However, modeling weather has proven to be challenging task due to its chaotic and unpredictable nature.…

Machine Learning · Computer Science 2024-09-20 Lawrence Zhang , Adam Yang , Rodz Andrie Amor , Bryan Zhang , Dhruv Rao

Severity of warming predicted by climate models depends on their Transient Climate Response (TCR). Inter-model spread of TCR has persisted at ~100% of its mean for decades. Existing observational constraints of TCR are based on observed…

Atmospheric and Oceanic Physics · Physics 2023-12-25 King-Fai Li , Ka-Kit Tung

In superfluid $^3$He turbulence is carried predominantly by the superfluid component. To explore the statistical properties of this quantum turbulence and its differences from the classical counterpart we adopt the time-honored approach of…

Statistical Mechanics · Physics 2012-07-31 Laurent Boué , Victor L'vov , Anna Pomyalov , Itamar Procaccia

The midlatitude climate and weather are shaped by storms, yet the factors governing their predictability remain insufficiently understood. Here, we use a Convolutional Neural Network (CNN) to predict and quantify uncertainty in the…

Atmospheric and Oceanic Physics · Physics 2025-10-30 Wuqiushi Yao , Or Hadas , Yohai Kaspi

In sequel to Moradi et al. [2009, ApJ, 690, L72], we employ two established numerical forward models (a 3D ideal MHD solver and MHD ray theory) in conjunction with time-distance helioseismology to probe the lateral extent of wave-speed…

Solar and Stellar Astrophysics · Physics 2011-01-04 H. Moradi , S. M. Hanasoge

We investigated incompressible and compressible magnetohydrodynamic (MHD) energy cascade rates in the solar wind at different heliocentric distances. We used in situ magnetic field and plasma observations provided by the Parker Solar Probe…

Solar and Stellar Astrophysics · Physics 2023-11-23 Maia Brodiano , Pablo Dmitruk , Nahuel Andrés

Fine-scale forest monitoring is essential for understanding canopy structure and its dynamics, which are key indicators of carbon stocks, biodiversity, and forest health. Deep learning is particularly effective for this task, as it…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Ekaterina Kalinicheva , Florian Helen , Stéphane Mermoz , Florian Mouret , Milena Planells

Heatwaves pose a significant threat to public health, especially as global warming intensifies. However, current routing systems (e.g., online maps) fail to incorporate shade information due to the difficulty of estimating shades directly…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Longchao Da , Xiangrui Liu , Mithun Shivakoti , Thirulogasankar Pranav Kutralingam , Yezhou Yang , Hua Wei

In this first paper of a series we develop a new technique to analyze clusters of galaxies observed during the ROSAT All-Sky Survey (RASS). We call this method the Steepness Ratio Technique (SRT). The SRT uses the convolution between the…

Astrophysics · Physics 2009-10-30 S. De Grandi , S. Molendi , H. Böhringer , G. Chincarini , W. Voges

Based on detailed 2D and 3D numerical radiation-hydrodynamics (RHD) simulations of time-dependent compressible convection, we have studied the dynamics and thermal structure of the convective surface layers of a prototypical late-type…

Astrophysics · Physics 2009-11-07 H. -G. Ludwig , F. Allard , P. H. Hauschildt

Satellite product validation is key to ensure the delivery of quality products for climate and weather applications. To do this, a fundamental step is the comparison with other instruments, such us radiosonde. This is specially true for…

Applications · Statistics 2018-03-16 Francesco Finazzi , Alessandro Fassò , Fabio Madonna , Ilia Negri , Bomin Sun , Marco Rosoldi

The subsurface structure of an "average" supergranule is derived from existing HMI pipeline time-distance data products and compared to the best helioseismic flow model detailed in Duvall and Hanasoge (2013). We find that significant…

Solar and Stellar Astrophysics · Physics 2015-06-03 K. DeGrave , J. Jackiewicz

Turbulence is a phenomena that is {\it locally} and statistically characterized by measurements, but it is caused by {\it nonlocal} energy cascades associated with the environment. The presence of turbulence coincides with fluctuations in…

Optics · Physics 2026-05-11 Arial Tolentino , Markus Petters , Luat T. Vuong

When observing a phenomenon, severe cases or anomalies are often characterised by deviation from the expected data distribution. However, non-deviating data samples may also implicitly lead to severe outcomes. In the case of unsupervised…

Machine Learning · Computer Science 2020-05-18 Athanasios Davvetas , Iraklis A. Klampanos

Time-distance helioseismology uses cross-covariances of wave motions on the solar surface to determine the travel times of wave packets moving from one surface location to another. We review the methodology to interpret travel-time…

Solar and Stellar Astrophysics · Physics 2015-08-19 Raymond Burston , Laurent Gizon , Aaron C. Birch