Auflistung Geophysik, Extraterrestische Forschung nach Titel
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Status of the International Gravity Reference System and Frame
; ; ; ; ; ; ; (Journal of Geodesy, 2021-01-08)
The increasing importance of terrestrial gravimetry in monitoring global change processes, in providing a reference for satellite measurements and in applications in metrology necessitates a stable reference system reflecting ... -
Stellar iron core collapse in {3+1} general relativity and the gravitational wave signature of core-collapse supernovae
(Univ. Potsdam, 2007)I perform and analyse the first ever calculations of rotating stellar iron core collapse in {3+1} general relativity that start out with presupernova models from stellar evolutionary calculations and include a microphysical ... -
Step-on versus step-off signals in time-domain controlled source electromagnetic methods using a grounded electric dipole
; ; ; ; (Geophysical Prospecting, 2020)
The time-domain controlled source electromagnetic method is a geophysical prospecting tool applied to image the subsurface resistivity distribution on land and in the marine environment. In its most general set-up, a ... -
Stick‐Slip Tremor Beneath an Alpine Glacier
; ; ; ; ; Korn, M.; Walter, F. T. (Geophysical Research Letters, 2021-01-25)
Sliding of glacial ice over its base is typically described by a frictionless or slowly deforming bed. This view is challenged by recent seismic observations of stick‐slip motion at the ice‐bed interface. We revisit a ... -
Stochastic cosmological inflation - a replica field-theoretical study
(Univ. Bielefeld, 2009)In this thesis we apply methods from statistical physics to stochastic inflation. Those methods, the replica field theory and the Gaussian variational methods, have to our knowledge never been applied before in this context, ... -
Stochastic Eulerian model for the flow simulation in porous media - unconfined aquifers
; (WIAS, Berlin2004)
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Stochastic Eulerian model for the flow simulation in porous media
; (WIAS, Berlin2003)
This work deals with the stochastic flow simulation in statistically isotropic and anisotropic saturated porous media in 3D case. The hydraulic conductivity is assumed to be a random field with lognormal distribution. Under ... -
Stochastic flow simulation and particle transport in a 2D layer of random porous medium
Kurbanmuradov, Orazgeldi A.; (WIAS, Berlin2008)
A stochastic numerical method is developed for simulation of flows and particle transport in a 2D layer of porous medium. The hydraulic conductivity is assumed to be a random field of a given statistical structure, the ... -
Stochastic flow simulation in 3D porous media
; (2005)
Stochastic models and Monte Carlo algorithms for simulation of flow through porous media beyond the small hydraulic conductivity fluctuation assumptions are developed. The hydraulic conductivity is modelled as an isotropic ... -
Stochastische Geschwindigkeitsfelder in der expandierenden Hülle entwickelter Sterne
(Univ. Hamburg, 2004)Die physikalischen Ursachen für das Auftreten massiver Winde bei entwickelten Sternen sind weitgehend unverstanden. Aus diesem Grund ist es bisher noch nicht gelungen, von einer empirischen Beschreibung des Phänomens zu ... -
Strahlungsemission in einem thermischen Hintergrundplasma in den Jets Aktiver Galaxienkerne
(Univ. Bochum, 2004)Die vorliegende Arbeit untersucht den Einfluß von thermisch verteiltem Plasma auf die Strahlungsemission in den Jets von aktiven galaktischen Kernen. Zur Bestimmung der Heiz- und Strahlungsproduktionsraten wird die ... -
Strain migration during multiphase extension, Stord Basin, northern North Sea rift
; Aagotnes, Synne S.; Refvem, Marte A.; Hamilton‐Wright, James; Bell, Rebecca E.; ; ; Jackson, Christopher A.‐L.; (Basin Research, 2020-11-11)
In regions experiencing multiple phases of extension, rift‐related strain can vary along and across the basin during and between each phase, and the location of maximum extension can differ between the rift phase. Despite ... -
Strategy for the realisation of the International Height Reference System (IHRS)
; ; ; ; ; ; ; ; ; (Journal of Geodesy, 2021-02-22)
In 2015, the International Association of Geodesy defined the International Height Reference System (IHRS) as the conventional gravity field-related global height system. The IHRS is a geopotential reference system co-rotating ... -
Stratospheric influence on ECMWF sub-seasonal forecast skill for energy-industry-relevant surface weather in European countries
; ; ; (Quarterly Journal of the Royal Meteorological Society, 2020)
Meteorologists in the energy industry increasingly draw upon the potential for enhanced sub-seasonal predictability of European surface weather following anomalous states of the winter stratospheric polar vortex (SPV). How ... -
Stratospheric Moistening After 2000
; ; ; ; ; ; (Geophysical Research Letters, 2022-04-22)
The significant climate feedback of stratospheric water vapor (SWV) necessitates quantitative estimates of SWV budget changes. Model simulations driven by the newest European Centre for Medium‐Range Weather Forecast ... -
Stratus over rolling terrain: Large‐eddy simulation reference and sensitivity to grid spacing and numerics
; ; ; (Quarterly Journal of the Royal Meteorological Society, 2022-10-11)
The formation of low stratus cloud over idealized hills is investigated using numerical model simulations. The main driver for the cloud formation is radiative cooling due to outgoing longwave radiation. Despite a purely ... -
Stress Drop Variations in the Region of the 2014 MW8.1 Iquique Earthquake, Northern Chile
; Kummerow, Jörn; (Journal of Geophysical Research: Solid Earth, 2021-04-09)
We compute stress drops from P and S phase spectra for 534 earthquakes in the source region of the 2014 MW8.1 Iquique megathrust earthquake in the northern Chilean subduction zone. An empirical Green's function based method ... -
Stress Drop, Seismogenic Index and Fault Cohesion of Fluid-Induced Earthquakes
; (Rock Mechanics and Rock Engineering, 2021-03-10)
Sometimes, a rather high stress drop characterizes earthquakes induced by underground fluid injections or productions. In addition, long-term fluid operations in the underground can influence a seismogenic reaction of the ... -
Stress-based, statistical modeling of the induced seismicity at the Groningen gas field, The Netherlands
; ; ; (Environmental Earth Sciences, 2020-05-22)
Groningen is the largest onshore gas field under production in Europe. The pressure depletion of the gas field started in 1963. In 1991, the first induced micro-earthquakes have been located at reservoir level with increasing ...
