Browsing Geophysik, Extraterrestische Forschung by Issue Date
Now showing items 21-40 of 941
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Direct Evidence of a Slow‐Slip Transient Modulating the Spatiotemporal and Frequency‐Magnitude Earthquake Distribution: Insights From the Armutlu Peninsula, Northwestern Turkey
; ; ; ; ; ; (Geophysical Research Letters, 2022-09-22)
Earthquakes and slow‐slip events interact, however, detailed studies investigating their interplay are still limited. We generate the highest resolution microseismicity catalog to date for the northern Armutlu Peninsula ... -
An Empirical Model of the Equatorial Electron Pitch Angle Distributions in Earth's Outer Radiation Belt
; ; ; ; ; ; ; (Space Weather, 2022-09-20)
In this study, we present an empirical model of the equatorial electron pitch angle distributions (PADs) in the outer radiation belt based on the full data set collected by the Magnetic Electron Ion Spectrometer (MagEIS) ... -
Present‐Day Upper‐Mantle Architecture of the Alps: Insights From Data‐Driven Dynamic Modeling
; ; ; ; (Geophysical Research Letters, 2022-09-19)
The dynamics of the Alps and surrounding regions is still not completely understood, partly because of a non‐unique interpretation of its upper‐mantle architecture. In particular, it is unclear if interpreted slabs are ... -
Seismic Full‐Waveform Inversion of the Crust‐Mantle Structure Beneath China and Adjacent Regions
; ; ; ; ; ; ; (Journal of Geophysical Research: Solid Earth, 2022-09-19)
We present the first‐generation full‐waveform tomographic model (SinoScope 1.0) for the crust‐mantle structure beneath China and adjacent regions. The three‐component seismograms from 410 earthquakes recorded at 2,427 ... -
Observational Evidence for Multivariate Drought Hazard Amplifications Across Disparate Climate Regimes
; ; (Earth's Future, 2022-09-16)
Drought poses significant challenges to global water security in a warming world. A global‐scale synthesis of the multivariate drought risk considering interdependencies between drought attributes across disparate climate ... -
Pore Space Topology Controls Ultrasonic Waveforms in Dry Volcanic Rocks
; ; (Geophysical Research Letters, 2022-09-15)
Pore space controls the mechanical and transport properties of rocks. At the laboratory scale, seismic modeling is usually performed in relatively homogeneous settings, and the influence of the pore space on the recorded ... -
Solar Activity Driven 27‐Day Signatures in Ionospheric Electron and Molecular Oxygen Densities
; (Journal of Geophysical Research: Space Physics, 2022-09-13)
The complex interactions in the upper atmosphere, which control the height‐dependent ionospheric response to the 27‐day solar rotation period, are investigated with the superposed epoch analysis technique. 27‐day signatures ... -
Limited Earthquake Interaction During a Geothermal Hydraulic Stimulation in Helsinki, Finland
; ; ; ; ; ; (Journal of Geophysical Research: Solid Earth, 2022-09-12)
We investigate induced seismicity associated with a hydraulic stimulation campaign performed in 2020 in the 5.8 km deep geothermal OTN‐2 well near Helsinki, Finland as part of the St1 Deep Heat project. A total of 2,875 m3 ... -
Martian Atmospheric Spectral End‐Members Retrieval From ExoMars Thermal Infrared (TIRVIM) Data
; ; ; ; ; ; ; ; ; (Journal of Geophysical Research: Planets, 2022-09-09)
Key knowledge about planetary composition can be recovered from the study of thermal infrared spectral range datasets. This range has a huge diagnostic potential because it contains diagnostic absorptions from a planetary ... -
Teleconnection Patterns of Different El Niño Types Revealed by Climate Network Curvature
; ; ; (Geophysical Research Letters, 2022-09-09)
The diversity of El Niño events is commonly described by two distinct flavors, the Eastern Pacific (EP) and Central Pacific (CP) type. While the remote impacts, that is, teleconnections, of EP and CP events have been studied ... -
Constraining Europa's Subsolar Atmosphere With a Joint Analysis of HST Spectral Images and Galileo Magnetic Field Data
; (Journal of Geophysical Research: Space Physics, 2022-09-06)
We constrain Europa's tenuous atmosphere on the subsolar hemisphere by combining two sets of observations: oxygen emissions at 1,304 and 1,356 Å from Hubble Space Telescope (HST) spectral images and Galileo magnetic field ... -
Horizontal Wavenumber Spectra of Vertical Vorticity and Horizontal Divergence of Mesoscale Dynamics in the Mesosphere and Lower Thermosphere Using Multistatic Specular Meteor Radar Observations
; ; ; ; ; (Earth and Space Science, 2022-09-02)
Specular meteor radars (SMRs) have significantly contributed to the understanding of wind dynamics in the mesosphere and lower thermosphere (MLT). We present a method to estimate horizontal correlations of vertical vorticity ... -
Upper Plate Response to a Sequential Elastic Rebound and Slab Acceleration During Laboratory‐Scale Subduction Megathrust Earthquakes
; ; ; (Journal of Geophysical Research: Solid Earth, 2022-09-02)
An earthquake‐induced stress drop on a megathrust instigates different responses on the upper plate and slab. We mimic homogenous and heterogeneous megathrust interfaces at the laboratory scale to monitor the strain ... -
A Coulomb Stress Response Model for Time‐Dependent Earthquake Forecasts
; (Journal of Geophysical Research: Solid Earth, 2022-08-31)
Seismicity models are probabilistic forecasts of earthquake rates to support seismic hazard assessment. Physics‐based models allow extrapolating previously unsampled parameter ranges and enable conclusions on underlying ... -
High‐Resolution Aircraft Observations of Turbulence and Waves in the Free Atmosphere and Comparison With Global Model Predictions
; ; (Journal of Geophysical Research: Atmospheres, 2022-08-23)
High‐resolution flight data obtained from in situ measurements in the free atmosphere aboard the High Altitude and Long Range Research Aircraft (HALO) are used to determine eddy dissipation rates along extended flights ... -
Jovian Auroral Electron Precipitation Budget—A Statistical Analysis of Diffuse, Mono‐Energetic, and Broadband Auroral Electron Distributions
; ; ; (Journal of Geophysical Research: Space Physics, 2022-08-21)
Recent observations by the Juno spacecraft have shown that electrons contributing to Jupiter's main auroral emission appear to be frequently characterized by broadband electron distributions, but also less often mono‐energetic ... -
Ice Aggregation in Low‐Level Mixed‐Phase Clouds at a High Arctic Site: Enhanced by Dendritic Growth and Absent Close to the Melting Level
; ; (Journal of Geophysical Research: Atmospheres, 2022-08-19)
Low‐level mixed‐phase clouds (MPCs) occur extensively in the Arctic, and are known to play a key role for the energy budget. While their characteristic structure is nowadays well understood, the significance of different ... -
Plasmoids in the Jovian Magnetotail: Statistical Survey of Ion Acceleration Using Juno Observations
; ; ; ; ; ; (Journal of Geophysical Research: Space Physics, 2022-08-18)
Transient magnetic reconnection plays an important role in energetic particle acceleration in planetary magnetospheres. Jupiter's magnetosphere provides a unique natural laboratory to study processes of energy transport ... -
Earthquake Rupture on Multiple Splay Faults and Its Effect on Tsunamis
; ; ; (Journal of Geophysical Research: Solid Earth, 2022-08-16)
Detailed imaging of accretionary wedges reveals splay fault networks that could pose a significant tsunami hazard. However, the dynamics of multiple splay fault activation during megathrust earthquakes and the consequent ... -
Evidence for Secondary Ice Production in Southern Ocean Maritime Boundary Layer Clouds
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; (Journal of Geophysical Research: Atmospheres, 2022-08-16)
Maritime boundary‐layer clouds over the Southern Ocean (SO) have a large shortwave radiative effect. Yet, climate models have difficulties in representing these clouds and, especially, their phase in this observationally ...
