Results 61 to 70 of about 56,308 (175)

Theory and observation of double discontinuities [PDF]

Nonlinear Processes in Geophysics, 2004
Recent research using high-resolution magnetic field data to examine the interior structures of MHD shocks in interplanetary space and in the magnetotail led to a surprising discovery that a slow-mode shock is often followed by an adjoining rotational ...
Y. C. Whang
doaj  

Influence of turbidity and clouds on satellite total ozone data over Madrid (Spain) [PDF]

Annales Geophysicae, 2010
This article focuses on the comparison of the total ozone column data from three satellite instruments; Total Ozone Mapping Spectrometers (TOMS) on board the Earth Probe (EP), Ozone Monitoring Instrument (OMI) on board AURA and Global Ozone Monitoring
J. L. Camacho, M. Antón, D. Loyola, E. Hernandez   +3 more
doaj   +1 more source

Spectra of magnetic fluctuations and relativistic particles produced by a nonresonant wave instability in supernova remnant shocks

, 2009
We model strong forward shocks in young supernova remnants with efficient particle acceleration where a nonresonant instability driven by the cosmic ray current amplifies magnetic turbulence in the shock precursor.
Andrei M. Bykov, Andrey E. Vladimirov, Bamba, Berezhko, Biskamp, Bykov, Diamond, Donald C. Ellison, Hillas, Malkov, Malkov, Riquelme, Toptygin, Vainshtein, Vink, Vladimirov, Vladimirov, Vladimirov, Zirakashvili, Zirakashvili   +19 more
core   +2 more sources

Understanding the Influence of Soil Moisture on Machine Learning Predictions of Photosynthesis and Evapotranspiration

Geophysical Research Letters, Volume 53, Issue 9, 16 May 2026.
Abstract Evapotranspiration (ET) and photosynthesis are key processes in ecosystem functioning on which soil moisture (SM) has an important influence. Eddy covariance measurements and machine learning (ML) increasingly enable flux prediction in ungauged regions.
Daniel Power, Miguel Angel Rico‐Ramirez, Pierre Gentine, David McJannet, Martin Schrön, Corinna Rebmann, Humberto da Rocha, Rafael Rosolem   +7 more
wiley   +1 more source

Estimates of magnetic cloud expansion at 1 AU [PDF]

Annales Geophysicae, 2008
In this study we analyze 53 magnetic clouds (MCs) of standard profiles observed in WIND magnetic field and plasma data, in order to estimate the speed of MC expansion (VE) at 1 AU, where the expansion is investigated only for the component ...
R. P. Lepping, C.-C. Wu, C.-C. Wu, D. B. Berdichevsky, D. B. Berdichevsky, T. Ferguson   +5 more
doaj   +1 more source

Drivers of Mid‐Latitude Quiet‐Time Longitude Variations in Ionospheric Density

Journal of Geophysical Research: Space Physics, Volume 131, Issue 5, May 2026.
Abstract The aim of this study is to provide an observational benchmark of mid‐latitude quiet‐time variability in winds, O/N2, and TEC across longitude and local time to provide a foundation for future model–data comparison studies. The quiet‐time ionospheric structure is not uniform but rather exhibits pronounced longitudinal and local‐time ...
K. R. Greer, L. P. Goncharenko, V. L. Harvey, C. Cullens   +3 more
wiley   +1 more source

A novel iterative approach for mapping local singularities from geochemical data [PDF]

Nonlinear Processes in Geophysics, 2007
There are many phenomena in nature, such as earthquakes, landslides, floods, and large-scale mineralization that are characterized by singular functions exhibiting scale invariant properties.
Zhijun Chen, Qiuming Cheng, Jiaoguo Chen, Shuyun Xie   +3 more
doaj  

Effects of energetic electrons on the electrodynamics in the ionosphere [PDF]

Annales Geophysicae, 2004
From the observations by the PIXIE and UVI cameras on board the Polar satellite, we derive global maps of the precipitating electron energy spectra from less than 1keV to 100keV. Based on the electron spectra, we generate instantaneous global maps of
A. Aksnes, J. Stadsnes, G. Lu, N. Østgaard, R. R. Vondrak, D. L. Detrick, T. J. Rosenberg, G. A. Germany, M. Schulz   +8 more
doaj   +1 more source

A Gamma-Ray Burst Bibliography, 1973-1999 [PDF]

, 1999
On the average, one new publication on cosmic gamma-ray bursts enters the literature every day. The total number now exceeds 4100. I present here a complete bibliography which can be made available electronically to interested parties.Comment: To appear ...
Hurley, K.
core   +2 more sources

WACCM‐X Simulation of the Atmosphere From 1950 Through 2024 at an Hourly Resolution

Journal of Geophysical Research: Space Physics, Volume 131, Issue 5, May 2026.
Abstract Modeling of the upper atmosphere, namely the thermosphere and ionosphere, is becoming important for applications such as orbital propagation (including satellite collision avoidance), radio propagation for communications, radar and position, navigation and timing.
M. K. Brown, S. Elvidge, O. Allanson, D. R. Themens   +3 more
wiley   +1 more source