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Space launches produce ionospheric disturbances which can be observed through measurements such as Global Navigation Satellite System signal delays. Here we report observations and numerical simulations of the ionospheric depletion due to a…

Space Physics · Physics 2023-04-03 G. W. Bowden , M. Brown

Research on coastal regions traditionally involves methods like manual sampling, monitoring buoys, and remote sensing, but these methods face challenges in spatially and temporally diverse regions of interest. Autonomous surface vehicles…

Robotics · Computer Science 2024-05-29 Mingi Jeong

The present investigation is directed at exploring southern polar ionospheric responses to intense space weather events and their correlations with plasma convection and auroral precipitation. The main phases of six geomagnetic storms…

Space Physics · Physics 2025-11-07 Sumanjit Chakraborty , Gopi K. Seemala

In this paper we explore the possibility to complement the cosmic ray physics program of the IceCube observatory with an extended surface array of radio antennas. The combination of air-shower sampling on the surface and muon calorimetry…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Sebastian Böser

A model-data inversion is applied to a very large observational dataset collected in the Southern Ocean north of the Ross Sea during late autumn to early winter, producing estimates of the frequency-dependent rate of dissipation by sea ice.…

Atmospheric and Oceanic Physics · Physics 2020-06-16 W. Erick Rogers , Michael H. Meylan , Alison L. Kohout

Previous studies showed that hydro-climate processes are stochastic and complex systems, and it is difficult to discover the hidden patterns in the all non-stationary data and thoroughly understand the hydro-climate relationships. For the…

Applications · Statistics 2018-10-02 Jianhua Xu

Volcanic gas emissions are key precursors of eruptive activity. Yet, obtaining accurate near-surface measurements remains hazardous and logistically challenging, motivating the need for autonomous solutions. Limited mobility in rough…

The IceTop array at the surface of the IceCube Neutrino Observatory measures extensive air showers produced by cosmic-ray particles with energies from PeV up to EeV, covering the transition region from galactic to extragalactic sources.…

High Energy Astrophysical Phenomena · Physics 2025-07-14 Lilly Pyras , Larissa Paul , Katherine Rawlins , Ian Reistroffer , Amar Thakuri

A novel approach for robust state estimation of marine vessels in rough water is proposed in this paper to enable tight collaboration between Unmanned Aerial Vehicles (UAVs) and a marine vessel, such as cooperative landing or object…

Robotics · Computer Science 2025-02-19 Filip Novák , Tomáš Báča , Ondřej Procházka , Martin Saska

Methanol is formed via surface reactions on icy dust grains. Methanol is also detected in the gas-phase at temperatures below its thermal desorption temperature and at levels higher than can be explained by pure gas-phase chemistry. The…

Solar and Stellar Astrophysics · Physics 2018-05-02 N. F. W. Ligterink , C. Walsh , R. G. Bhuin , S. Vissapragada , J. Terwisscha van Scheltinga , H. Linnartz

We present molecular dynamics simulations of the adsorption of mixed CO2-water vapors on a graphene flakes substrate, a model inspired by the microporous structure of activated carbons. Adsorption strength is quantified through a reduced…

Materials Science · Physics 2025-12-17 Silvina Gatica

Uranus provides a unique laboratory to test our understanding of planetary atmospheres under extreme conditions. Multi-spectral observations from Voyager, ground-based observatories, and space telescopes have revealed a delicately banded…

Earth and Planetary Astrophysics · Physics 2021-05-14 Leigh N. Fletcher

Young planetary-mass objects and brown dwarfs near the L/T spectral transition exhibit enhanced spectrophotometric variability over field brown dwarfs. Patchy clouds, auroral processes, stratospheric hot spots, and complex carbon chemistry…

So far no designated mission to either of the two ice giants, Uranus and Neptune, exists. Almost all of our gathered information on these planets comes from remote sensing. In recent years, NASA and ESA have started planning for future…

Earth and Planetary Astrophysics · Physics 2023-06-19 Audrey Vorburger , Peter Wurz , Hunter Waite

Ultra high energy neutrinos may be observed in ice by the emission of acoustic signals. The SPATS detector has investigated the possibility of observing GZK-neutrinos in the clear ice near the South Pole at the IceCube detector site. To…

Instrumentation and Methods for Astrophysics · Physics 2016-08-18 K. Helbing , R. Hoffmann , U. Naumann , D. Eliseev , D. Heinen , F. Scholz , C. Wiebusch , S. Zierke

When large surface areas of the Earth are altered, radiative forcing due to changes in surface reflectance can drive climate change. Yet to achieve the necessary scale to remove the substantial amounts of carbon dioxide from the atmosphere…

Atmospheric and Oceanic Physics · Physics 2025-01-16 J. B. Marston , Daniel E. Ibarra

Sensors are routinely mounted on robots to acquire various forms of measurements in spatio-temporal fields. Locating features within these fields and reconstruction (mapping) of the dense fields can be challenging in resource-constrained…

Robotics · Computer Science 2019-01-29 Martin Asenov , Marius Rutkauskas , Derryck Reid , Kartic Subr , Subramanian Ramamoorthy

Whilst climate change is transforming the Arctic into a navigable ocean where small ice floes are floating on the sea surface, the effect of such ice conditions on ship performance has yet to be understood. The present work combines a set…

Motivated by the possibility of comparing theoretical predictions of Lake Vostok's composition with future in situ measurements, we investigate the composition of clathrates that are expected to form in this environment from the air…

Earth and Planetary Astrophysics · Physics 2015-06-12 Olivier Mousis , Azzedine Lakhlifi , Sylvain Picaud , Matthew Pasek , Eric Chassefière

Carbon dioxide levels below the soil surface are an important measurement relating to plant health, especially for plants such as perennial grasses in northern climates where ice encasement can occur over winter. In such cases, the CO$_2$…

Systems and Control · Electrical Eng. & Systems 2024-09-12 Bobby Schulz , Bryan Runck , Andrew Hollman , Ann Piotrowski , Eric Watkins