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Subgrain boundaries in Antarctic ice quantified by X-ray Laue diffraction
(Journal of Glaciology, 2011)Ice in polar ice sheets undergoes deformation during its flow towards the coast. Deformation and recrystallization microstructures such as subgrain boundaries can be observed and recorded using high-resolution light ... -
Submarine glazial übertiefte Täler vor Südgrönland
(E&G – Quaternary Science Journal; Vol.29, No. 1)Auf der Grundlage von Tiefenkarten, Lotprofilen und Sedimentechogrammen werden Topographie und Morphologie südwest- und südostgrönländischer Schelfrinnen erfaßt und in ihrer Genese gedeutet. Danach stellen die Schelfrinnen ... -
Submesoscale flows impact Agulhas leakage in ocean simulations
; ; (Communications Earth & Environment, 2021-09-28)
Agulhas leakage, the warm and salty inflow of Indian Ocean water into the Atlantic Ocean, is of importance for the climate-relevant Atlantic Meridional Overturning Circulation. South of Africa, the eastward turning Agulhas ... -
Submesoscale Impacts on Mesoscale Agulhas Dynamics
; ; ; (Journal of Advances in Modeling Earth Systems, 2019)
Mesoscale dynamics of the Agulhas Current system determine the exchange between the Indian and Atlantic oceans, thereby influencing the global overturning circulation. Using a series of ocean model experiments compared to ... -
Subnivale Kleinoserbildung. - Eine Beobachtung zur Schuttumlagerungsdynamik im Wimbachgries (Berchtesgadener Alpen)
(E&G – Quaternary Science Journal; Vol.44, No. 1)Die Umlagerungsdynamik auf den großen Dolomit-Schuttflächen des Wimbachgries (Berchtesgadener Alpen) ist in erster Linie an starke sommerliche Gewitterregen gebunden, durch welche die Aufnahmefähigkeit des mächtigen ... -
Subsoil classification and geotechnical zonation for Guadalajara City, México: Vs30, soil fundamental periods, 3D structure and profiles
(Near Surface Geophysics, 2020-01-25)Guadalajara, Jalisco, is the second largest city in Mexico with around 4.5 million inhabitants. A high seismic hazard exists in the city due to forces produced by the interaction between the Rivera, Cocos and North American ... -
Subsurface Moisture Regulates Himalayan Groundwater Storage and Discharge
; ; Sens‐Schönfelder, C.; ; Baidya, K. P.; ; (AGU Advances, 2021-05-18)
Through the release of groundwater, most mountain rivers run year‐round despite their small catchments and sporadic precipitation. This makes mountain ranges important sources of reliable freshwater for downstream populations ... -
Subsurface Radiation Environment of Mars and Its Implication for Shielding Protection of Future Habitats
Röstel, Lennart;; ; ; (Journal of Geophysical Research: Planets, 2020)
In order to quantify the optimal radiation shielding depth on Mars in preparation for future human habitats on the red planet, it is important to understand the Martian radiation environment and its dependence on the ... -
Sub‐micrometer focusing setup for high‐pressure crystallography at the Extreme Conditions beamline at PETRA III
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; (Journal of Synchrotron Radiation, 2022-04-05)
Scientific tasks aimed at decoding and characterizing complex systems and processes at high pressures set new challenges for modern X‐ray diffraction instrumentation in terms of X‐ray flux, focal spot size and sample ... -
Suche nach dunkler Materie mit den H.E.S.S.-Cherenkov-Teleskopen
(Univ. Hamburg, 2008)Die Natur der dunklen Materie ist nach wie vor ungeklart und stellt eine der fundamentalsten Fragen der aktuellen Kosmologie dar. In vielen verschiedenen Experimenten wird versucht, diese Teilchen, die sogenannten WIMPs ... -
Suitability of terrestrial Lidar and digital photogrammetry for surveying and analysis of fold structures
; (Proceedings Volume, 2016-09-23)
Quantitative fold structure analyses at different scales are essential for deducing deformation mechanisms and the reconstruction of the deformation history of orogens. However, not only the field surveying of fold structures, ... -
Sukzession ungenutzter Moorwiesen in Dolny Śląsk
(TELMA - Berichte der Deutschen Gesellschaft für Moor- und Torfkunde; Band 40; 2010)Abstract: Mires as well as meadows resulted in the drainage of mires are ecosystems very sensitive to the environmental changes. Abandonment of these meadows leads to their degradation. Such meadows situated in the area ... -
Sulfide Dissolution and Awaruite Formation in Continental Serpentinization Environments and Its Implications to Supporting Life
; ; Engelmann, J. M.; ; Wiechert, U.; Rohne, R.; (Journal of Geophysical Research: Solid Earth, 2021-05-20)
Serpentinization environments are key locations that support microbial communities by the abiogenic formation of reduced species associated with peridotite alteration. Here we studied partially serpentinized peridotites ... -
Sulfur cycling in oceanic oxygen minimum zones
; ; Kuypers, Marcel M. M.; Yilmaz, Pelin; Lavik, Gaute; ; ; (Limnology and Oceanography, 2021-05-10)
The sulfur cycle is an important, although understudied facet of today's modern oxygen minimum zones (OMZs). Sulfur cycling is most active in highly productive coastal OMZs where sulfide‐rich sediments interact with the ... -
Sulphate reduction determines the long-term effect of iron amendments on phosphorus retention in lake sediments
; ; (Journal of Soils and Sediments, 2021-11-06)
Purpose: This field study aimed to guide the planning of iron amendments for phosphorus retention by investigating the long-term fate of iron added to two urban lakes (Plötzensee and Groß Glienicker See) in ... -
Superconducting hot electron bolometers on silicon nitride membranes for terahertz waveguide mixers
(Univ. Köln, 2004)The topic of this work is the development of Hot Electron Bolometer (HEB) mixers on freestanding membrane substrates for terahertz high resolution heterodyne receiver systems. The radio astronomy in the THz frequency ... -
Supernova remnants in nearby galaxies
(Astronomische Nachrichten, 2020)Supernova remnants (SNRs) are the aftermath of stellar explosions, which inject large amounts of energy into the interstellar medium (ISM), carving out new structures and transferring kinetic energy to the ISM. They also ... -
Supernova-driven turbulence and magnetic field amplification in disk galaxies
(Univ. Potsdam, 2009)Supernovae are known to be the dominant energy source for driving turbulence in the interstellar medium. Yet, their effect on magnetic field amplification in spiral galaxies is still poorly understood. Analytical models ... -
Suprathermal Fe in the Earth's Plasma Environment: Cluster RAPID Observations
; ; ; ; (Journal of Geophysical Research: Space Physics, 2020)
Baryonic matter in geospace is almost exclusively in a plasma state, with protons (H +) and to some extent ionized helium (He) and oxygen (O) being the dominant ion species. But also other heavier ion species and even ...
