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Related papers: Remote sensing of bubble clouds in seawater

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Since air-water and water-air interfaces are equally refractive, cloud droplets and microbubbles dispersed in bodies of water reflect sunlight in much the same way. The lifetime of sunlight-reflecting microbubbles, and hence the scale on…

Atmospheric and Oceanic Physics · Physics 2010-10-29 Russell Seitz

This paper presents a comprehensive description of the relative effect of optical underwater turbulence in combination with absorption and scattering. Turbulence induced scattering is shown to cause and increase both spatial and temporal…

Signal Processing · Electrical Eng. & Systems 2021-01-15 Callum T. Geldard , John Thompson , Wasiu O. Popoola

Radiation flow through an inhomogeneous medium is critical in a wide range of physics and astronomy applications from transport across cloud layers on the earth to the propagation of supernova blast-waves producing UV and X-ray emission in…

The effects of multi-layered clouds in the atmospheres of Earth-like planets orbiting different types of stars are studied. The radiative effects of cloud particles are directly correlated with their wavelength-dependent optical properties.…

Earth and Planetary Astrophysics · Physics 2010-02-16 D. Kitzmann , A. B. C. Patzer , P. von Paris , M. Godolt , B. Stracke , S. Gebauer , J. L. Grenfell , H. Rauer

In underwater wireless optical communications (UWOC), the random obstruction of light propagation by air bubbles can cause fluctuations in the incoming light intensity of a receiver. In this paper, we propose a statistical model for…

Information Theory · Computer Science 2020-06-25 Myoungkeun Shin , Ki-Hong Park , Mohamed-Slim Alouini

The analysis of clouds in the earth's atmosphere is important for a variety of applications, viz. weather reporting, climate forecasting, and solar energy generation. In this paper, we focus our attention on the impact of cloud on the total…

Atmospheric and Oceanic Physics · Physics 2017-03-17 Soumyabrata Dev , Shilpa Manandhar , Feng Yuan , Yee Hui Lee , Stefan Winkler

We report experimental observations of the volume acoustic modes of air bubbles in water, including both the fundamental Minnaert breathing mode and a family of higher-order modes extending into the megahertz frequency range. Bubbles were…

Fluid Dynamics · Physics 2024-05-03 K. G. Scheuer , F. B. Romero , R. G. DeCorby

Optical signal propagation through underwater channels is affected by three main degrading phenomena, namely absorption, scattering, and fading. In this paper, we experimentally study the statistical distribution of intensity fluctuations…

We propose a mechanism for the damping of short ocean gravity waves during rainstorms associated with the injection of air bubbles by rain drops. The mechanism is proposed as one of the possible explanations that ascribe to rain a calming…

Fluid Dynamics · Physics 2018-12-27 Juan M. Restrepo , Alex Ayet , Luigi Cavaleri

Clouds' efficiency at reflecting solar radiation and trapping the terrestrial one is strongly modulated by their diurnal cycle. Much attention has been paid to mean cloud properties due to their critical role in climate projections;…

Atmospheric and Oceanic Physics · Physics 2018-03-06 Jun Yin , Amilcare Porporato

In this work, we present a comprehensive X-ray picture of the interaction between a super star cluster and the ISM. In order to do that, we compare and combine the X-ray emission from the superwind driven by the cluster with the emission…

Cosmology and Nongalactic Astrophysics · Physics 2011-02-11 G. A. Añorve-Zeferino , G. Tenorio-Tagle , S. Silich

The study of the acoustic emission of underwater gas bubbles is a subject of both theoretical and applied interest, since it finds an important application in the development of acoustic monitoring tools for detection and quantification of…

Applications · Statistics 2021-02-04 Paulo Hubert , Linilson Padovese

As a test-bed for future investigations of directly imaged terrestrial exoplanets, we present the recovery of the surface components of the Earth from multi-band diurnal light curves obtained with the EPOXI spacecraft. We find that the…

Earth and Planetary Astrophysics · Physics 2015-05-27 Yuka Fujii , Hajime Kawahara , Yasushi Suto , Satoru Fukuda , Teruyuki Nakajima , Timothy A. Livengood , Edwin L. Turner

We study the impact of multi-layered clouds (low-level water and high-level ice clouds) on the thermal emission spectra of Earth-like planets orbiting different types of stars. Clouds have an important influence on such planetary emission…

Earth and Planetary Astrophysics · Physics 2015-03-19 D. Kitzmann , A. B. C. Patzer , P. von Paris , M. Godolt , H. Rauer

The simple 3-D radiative transfer model in the atmosphere of the Earth is built for numerical comparison of direct solar radiation and limb scattering background at the definite layer during the deep twilight period at the middle and upper…

Atmospheric and Oceanic Physics · Physics 2025-09-05 Oleg S. Ugolnikov

We study the influence of low-level water and high-level ice clouds on low-resolution reflection spectra and planetary albedos of Earth-like planets orbiting different types of stars in both the visible and near infrared wavelength range.…

Earth and Planetary Astrophysics · Physics 2011-08-18 D. Kitzmann , A. B. C. Patzer , P. von Paris , M. Godolt , H. Rauer

Starting from a peculiar image observed below a bubble floating at a water-air interface, the article analyzes several optical properties of these special types of refracting objects (coined \textit{bubble axicons}). Using mainly…

Optics · Physics 2020-02-19 Markus Selmke

Solar wind turbulence is often perceived as weakly compressible and the density fluctuations remain poorly understood both theoretically and observationally. Compressible magnetohydrodynamic simulations provide useful insights into the…

Space Physics · Physics 2023-04-12 Senbei Du , Hui Li , Zhaoming Gan , Xiangrong Fu

Cloud absorption is acknowledged as the biggest source of uncertainty in the climate models. For over 70 years, many experiments have reported clouds absorbing more solar radiation than theory could predict. In the visible spectrum,…

Atmospheric and Oceanic Physics · Physics 2025-02-24 Gang Chen

Sunlight radiation under snow-covered sea ice obtained from remote sensing could help assess under-ice primary production at pan-Arctic scale. Yet, the current remote sensing methods to estimate sunlight transmittance under sea ice is…

Atmospheric and Oceanic Physics · Physics 2026-01-13 Christophe Perron , Bastian Raulier , Philippe Massicotte , Martin Vancoppenolle , Marcel Babin
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