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Cross-correlating the Planck High Frequency Instrument (HFI) maps against quasars from the Sloan Digital Sky Survey (SDSS) DR7, we estimate the intensity distribution of the Cosmic Infrared Background (CIB) over the redshift range 0 < z <…

Cosmology and Nongalactic Astrophysics · Physics 2014-12-05 Samuel J. Schmidt , Brice Ménard , Ryan Scranton , Christopher B. Morrison , Mubdi Rahman , Andrew M. Hopkins

We present results from mid-infrared imaging of Uranus at wavelengths of 13.0 micron and 18.7 micron, sensing emission from the stratosphere and upper troposphere, acquired using the VISIR instrument at the Very Large Telescope (VLT),…

Earth and Planetary Astrophysics · Physics 2020-01-15 Michael T. Roman , Leigh N. Fletcher , Glenn S. Orton , Naomi Rowe-Gurney , Patrick G. J. Irwin

Global return values of marine wind speed and significant wave height are estimated from very large aggregates of archived ensemble forecasts at +240-h lead time. Long lead time ensures that the forecasts represent independent draws from…

Atmospheric and Oceanic Physics · Physics 2014-07-22 Øyvind Breivik , Ole Johan Aarnes , Saleh Abdalla , Jean-Raymond Bidlot , Peter A. E. M. Janssen

Numerical implementation of a theory yields acoustic wave packets whose peak-to-peak speeds, $c_{3d}$, are supersonic in a dispersionless medium due to temporal interference between direct and boundary-reflected paths. The effect occurs…

General Physics · Physics 2025-11-11 John L. Spiesberger , Eugene Terray

Knowledge about the characteristics of the atmospheric boundary layer is vital for the understanding of redistribution of air and suspended contents that are particularly driven by turbulent motions. Despite many modelling studies, detailed…

Atmospheric and Oceanic Physics · Physics 2022-09-14 Hans van Haren , Fred. C. Bosveld

Recently, we correlated the inferred structure of the solar chromospheric plasma topography with solar wind velocity and composition data measured at 1AU. We now offer a physical justification of these relationships and present initial…

Astrophysics · Physics 2011-02-11 Robert J. Leamon , Scott W. McIntosh

Ultrasonic backscatter measurements are widely used for microstructural characterisation. However, in materials containing strong anisotropy and spatial heterogeneity, the interpretation of backscatter signals becomes challenging because…

Applied Physics · Physics 2026-05-22 Wei Yi Yeoh , Bo Lan , Michael J. S. Lowe

The terahertz and far-infrared (FIR) band, from approximately 0.3 THz to 15 THz (1 mm to 20 micron), is important for astrophysics as the thermal radiation of much of the universe peaks at these wavelengths and many spectral lines that…

Instrumentation and Methods for Astrophysics · Physics 2016-09-21 Sheng-Cai Shi , Scott Paine , Qi-Jun Yao , Zhen-Hui Lin , Xin-Xing Li , Wen-Ying Duan , Hiroshi Matsuo , Qizhou Zhang , Ji Yang , M. C. B. Ashley , Zhaohui Shang , Zhong-Wen Hu

A comprehensive statistical model is developed for vertical profiles of the horizontal wind and temperature throughout the troposphere based on several-years radiosonde measurements of strong winds. The profiles measured under quite…

Atmospheric and Oceanic Physics · Physics 2007-05-29 A. Virtser , I. Kupershmidt , Yu. M. Shtemler

Earth's energy imbalance at the top of the atmosphere is a key climate system metric, but its natural variability is poorly constrained by the short observational record and large uncertainty in coupled climate models. While existing ocean…

Atmospheric and Oceanic Physics · Physics 2026-03-24 Dominik Stiller , Gregory J. Hakim

Lightning flashes result in an instantaneous emission of electromagnetic (EM) waves that encompass a broad spectrum of frequencies in the domain of radio waves. The signature of these impulses in the region of the very low frequency (VLF)…

Geophysics · Physics 2025-04-14 István Gere

The large bandwidth combined with ultra-massive multiple-input multiple-output (UM-MIMO) arrays enables terahertz (THz) systems to achieve terabits-per-second throughput. The THz systems are expected to operate in the near, intermediate, as…

Information Theory · Computer Science 2023-10-27 Simon Tarboush , Anum Ali , Tareq Y. Al-Naffouri

The tropopause is the boundary between the troposphere and the stratosphere, so its height determines the nature of processes in the atmosphere and depends on them. The criterion for determining the height of the tropopause is a decrease in…

Atmospheric and Oceanic Physics · Physics 2022-05-31 Alexander Kochin

The near-infrared background between 0.5 $\mu$m to 2 $\mu$m contains a wealth of information related to radiative processes in the universe. Infrared background anisotropies encode the redshift-weighted total emission over cosmic history,…

Cosmology and Nongalactic Astrophysics · Physics 2019-04-24 Chang Feng , Asantha Cooray , Jamie Bock , Tzu-Ching Chang , Olivier Doré , Mario G. Santos , Marta B. Silva , Michael Zemcov

The infrasound levels due to the blade-tower interaction generated by a wind turbine in the publication by Pilger and Ceranna (JSV, Vol. 388, pp. 188-200, 2017) have to be corrected to be interpreted as sound pressure level. Also, the…

Fluid Dynamics · Physics 2021-07-07 Johannes Baumgart , Christoph Fritzsche , Steffen Marburg

We compare 45 years of the reanalyses of NCEP-NCAR and ECMWF in terms of their representation of the mid-latitude winter atmospheric variability for the overlapping time frame 1957-2002. We adopt the classical approach of computing the…

Atmospheric and Oceanic Physics · Physics 2007-05-23 Alessandro Dell'Aquila , Valerio Lucarini , Paolo Ruti , Sandro Calmanti

The forward-jet cross section in deep inelastic ep scattering has been measured using the ZEUS detector at HERA with an integrated luminosity of 6.36 pb^-1. The jet cross section is presented as a function of jet transverse energy squared,…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

We study the energy flux carried by acoustic waves excited by convective motions at sub-photospheric levels. The analysis of high-resolution spectropolarimetric data taken with IMaX/Sunrise provides a total energy flux of ~ 6400--7700…

Dispersive delays due to the Solar wind introduce excess noise in high-precision pulsar timing experiments, and must be removed in order to achieve the accuracy needed to detect, e.g., low-frequency gravitational waves. In current pulsar…

An intelligent reflecting surface (IRS) at terahertz (THz) bands is expected to have a massive number of reflecting elements to compensate for the severe propagation losses. However, as the IRS size grows, the conventional far-field…

Signal Processing · Electrical Eng. & Systems 2021-03-30 Konstantinos Dovelos , Stylianos D. Assimonis , Hien Quoc Ngo , Boris Bellalta , Michail Matthaiou