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We present a multi-sensor Bayesian passive microwave retrieval algorithm for flood inundation mapping at high spatial and temporal resolutions. The algorithm takes advantage of observations from multiple sensors in optical, short-infrared,…

Data Analysis, Statistics and Probability · Physics 2018-07-12 Zeinab Takbiri , Ardeshir M Ebtehaj , Efi Foufoula-Georgiou

We use the TRAPPIST-1 system as a model observation of Earth-like planets. The densities of these planets being 1-10% less than the Earth suggest that the outer planets may host significant hydrospheres. We explore the uncertainty in water…

Earth and Planetary Astrophysics · Physics 2025-04-24 David R. Rice , Chenliang Huang , Jason H. Steffen , Allona Vazan

In the supercooled regime at elevated pressure two forms of liquid water, high-density (HDL) and low-density (LDL), have been proposed to be separated by a coexistence line ending at a critical point, but a connection to ambient conditions…

Soft Condensed Matter · Physics 2011-06-27 K. T. Wikfeldt , A. Nilsson , L. G. M. Pettersson

We introduce Mosaic, a probabilistic weather forecasting model that addresses three failure modes of spectral degradation in ML-based weather prediction: spectral damping (statistical), high-frequency aliasing (architectural), and residual…

Machine Learning · Computer Science 2026-05-19 Maksim Zhdanov , Ana Lucic , Max Welling , Jan-Willem van de Meent

The scattering of light observed through the turbid underwater channel is often regarded as the leading challenge when designing underwater electro-optical imaging systems. There have been many approaches to address the effects of…

Optics · Physics 2018-04-17 Chensheng Wu , Robert Lee , Christopher C. Davis

Two-dimensional free-surface potential flows of an ideal fluid over a strongly inhomogeneous bottom are investigated with the help of conformal mappings. Weakly-nonlinear and exact nonlinear equations of motion are derived by the…

Fluid Dynamics · Physics 2016-09-08 V. P. Ruban

Recently, a new underwater imaging formation model presented that the coefficients related to the direct and backscatter transmission signals are dependent on the type of water, camera specifications, water depth, and imaging range. This…

Robotics · Computer Science 2020-12-22 Monika Roznere , Alberto Quattrini Li

We develop a multi-scale theoretical approach aimed at calculating from first principles X-ray absorption spectra of liquid solutions and disordered systems. We test the method by considering the paradigmatic case of Zn(II) in water which,…

As mentioned by Schwartz (1974) and Cokelet (1977), it was failed to gain convergent results of limiting Stokes' waves in extremely shallow water by means of perturbation methods even with the aid of extrapolation techniques such as…

Fluid Dynamics · Physics 2018-04-06 Xiaoxu Zhong , Shijun Liao

Underwater images normally suffer from degradation due to the transmission medium of water bodies. Both traditional prior-based approaches and deep learning-based methods have been used to address this problem. However, the inflexible…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Shixuan Xu , Hao Qi , Wei Wang , Chao Huang , Jie Wen , Junyu Dong , Xinghui Dong

In this paper we discuss recent applications of the Smoothed Particle Hydrodynamics (SPH) method to the simulation of supersonic turbulence in the interstellar medium, as well as giving an update on recent algorithmic developments in…

Instrumentation and Methods for Astrophysics · Physics 2010-02-26 Daniel J. Price , Christoph Federrath

E to B mixing or "leakage" due to time-ordered data (TOD) filtering has become an important source of sensitivity loss that ground-based cosmic microwave background polarization experiments must address. However, it is a difficult problem…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-20 Yuyang Zhou , Adrian Lee , Yuji Chinone

Water balance models (WBMs) are often employed to understand regional hydrologic cycles over various time scales. Most WBMs, however, are physically-based, and few employ state-of-the-art statistical methods to reconcile independent input…

Applications · Statistics 2018-05-18 Joeseph P. Smith , Andrew D. Gronewold

Wavefront errors are a common artifact in laser light generation and imaging. They can be described as an aberration from the spherical wavefront of an ideal Gaussian beam by combinations of higher-order Hermite- or Laguerre-Gaussian terms.…

Computational Physics · Physics 2024-01-31 Kevin Weber , Jonathan Joseph Carter , Sina Maria Koehlenbeck , Gudrun Wanner , Gerhard Heinzel

The theory of similarity for wind-driven seas is applied to the physical analysis of the problem of sea state bias (SSB) in altimetry measurements. Dimensionless wave steepness and pseudo-age derived from altimetry measurements are expected…

Atmospheric and Oceanic Physics · Physics 2019-12-06 Sergei I. Badulin , Vika G. Grigorieva , Pavel A. Shabanov , Vitali D. Sharmar , Ilya O. Karpov

A large-scale spanwise and wall-normal array of sonic anemometers in the atmospheric surface layer is used to acquire all three components of instantaneous fluctuating velocity as well as temperature in a range of stability conditions.…

Fluid Dynamics · Physics 2022-06-08 Xuebo Li , Nicholas Hutchins , Xiaojing Zheng , Ivan Marusic , Woutijn J. Baars

Landsat-8 (NASA) and Sentinel-2 (ESA) are two prominent multi-spectral imaging satellite projects that provide publicly available data. The multi-spectral imaging sensors of the satellites capture images of the earth's surface in the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Venkatesh Thirugnana Sambandham , Konstantin Kirchheim , Sayan Mukhopadhaya , Frank Ortmeier

Measurements of the optical turbulence profile above Siding Spring Observatory were conducted during 2005 and 2006. This effort was largely motivated by the need to predict the statistical performance of adaptive optics at Siding Spring.…

Instrumentation and Methods for Astrophysics · Physics 2015-06-11 Michael Goodwin , Charles Jenkins , Andrew Lambert

We determine and compare structural, dynamical, and electronic properties of liquid water at near ambient conditions through density-functional molecular dynamics simulations, when using either plane-wave or atomic-orbital basis sets. In…

Chemical Physics · Physics 2016-09-26 Giacomo Miceli , Jürg Hutter , Alfredo Pasquarello

This paper discusses the performance of electrical spectroscopy using a RESPER probe to measure the salinity s and volumetric content {\theta}W of the water in concrete or terrestrial soil. The RESPER probe is an induction device for…

Geophysics · Physics 2011-09-30 A. Settimi