1,637 Works

Gravity wave analysis with GPS radio occultation data from FORMOSAT-3 / COSMIC

Antonia Faber
Scientific Technical Report; 13/09

Organisation und Struktur

Die Reports Technologie, Organisation, Kosten stellen die Ergebnisse einzelner Arbeitspakete des DFG-Projekts "Rahmenbedingungen einer disziplinuebergreifenden Forschungsdateninfrastruktur" (Radieschen) dar. Der Report "Synthese" gibt einen Ueberblick ueber die Gesamt-Ergebnisse des Projekts, zeigt Handlungsempfehlungen auf und gibt einen Ausblick auf eine moegliche Zukunft der Forschungsdaten-Infrastrukturen in Deutschland.


The IASPEI standard nomenclature of seismic phases

Peter Bormann, Dmitry A. Storchak & Johannes Schweitzer
New Manual of Seismological Observatory Practice 2 (NMSOP2)

History, Aim and Scope of the 1st and 2nd Edition of the IASPEI New Manual of Seismological Observatory Practice

Peter Bormann
New Manual of Seismological Observatory Practice 2 (NMSOP-2);

Neuronale Netze und Selbstorganisation – neue Perspektiven bei der Interpretation von Geodaten

Klaus Bauer, Umar Muksin & Gerard Muñoz
System Erde; Vol. 3

Data Mining und visuelle Datenexploration zur Beantwortung geowissenschaftlicher Fragestellungen

Doris Dransch, Mike Sips, Andrea Unger & Patrick Köthur
System Erde; Vol. 3

Risikoanalysen in Zentralasien

Massimiliano Pittore, Marc Wieland, Dino Bindi, Shahid Ullah, Marco Pilz, Kevin Fleming & Stefano Parolai
The threat to human society arising from earthquakes should never be underestimated, especially in those regions of the world more exposed to this natural hazard. The complex geodynamics of Central Asia make it a natural research laboratory for the geoscience community, but also present a source of serious concern for local populations and their administrations who have already dealt with the devastating consequence of earthquakes in the past. Evaluating expected seismic risk for the exposed...

re3data.org Metadata Schema 2.1 XML Schema

Geocoding Sensor Data – Applying OGC’s Sensor Web Enablement Specifications

K. Walter
The Open Geospatial Consortium (OGC) addresses the requirement of integrating sensor information into spatial information infrastructures by developing service interfaces, protocols and data types in the Sensor Web Enablement (SWE) specification series. Using web-based services as tools for interdisciplinary data exchange, as well as for the extensive usage of heterogeneous data resources is an important step towards addressing today’s larger scale environmental problems (Bacharach, 2008). By making measurements and results discoverable and accessible over the...

Surface and Wetting Properties of Diagenetic Minerals and Sedimentary Grains in Reservoir Rocks (NanoPorO)

W. Altermann, T. Drobek, M. Frei, W. M. Heckl, M. Kantioler, K. I. Phuong, R. W. Stark & J. Strobel
Current secondary oil recovery measures allow for the recovery of a maximum of about 33 % of the oil in a reservoir. The remaining almost two third of the energy carrier are lost due to decreasing pressure, pore blocking, water inva- sion or hydrocarbon fluid adhesion to the rock. Therefore, fluids weakening the adhesion of hydrocarbons to pore walls and increasing permeability of the rock by e.g. mineral cement dissolution, are injected to the deposits...

InProTunnel : Interfacial Processes between Mineral and Tool Surfaces - Causes, Problems and Solutions in Mechanical Tunnel Driving

M. Feinendegen, G. Spagnoli, H. Stanjek, H. P. Neher, R. Ernst, M. Weh, T. M. Fernández-Steeger, M. Ziegler & R. Azzam
During mechanical tunnel driving in fine grained soil or rock the excavated material often sticks to the cutting tools or conveying system, which may cause great difficulties in its excavation and transport. In the InProTunnel project this problem is faced on different scales particularly for the method of Earth Pressure Balanced (EPB) shield tunnelling. Major influences from tunnel boring machine (TBM) operation are identified by project data analyses, clogging propensity is evaluated by a new...

SIMSAN - Simulation-supported development of process-stable raw material components and suspensions for the production of ceramic sanitary ware on the basis of modified mineral surfaces

M. Engels, T. Agné, E. Bayard, R. Diedel, H. Emmerich, K. Emmerich, S. Haas, O. Latief, M. Peuker, A. Steudel, A. Vuin & H. Yang
The article focuses on the status of the research after the second project year. In addition to the basic characterisation of the chosen reference material mixture for sanitary slip casting, as presented in previous publications for the Geotechnologien Science Reports, it focuses especially on the characterisation results of the basic raw material components, which in the second year of the project were investigated. These are the basis for the funtional characterisation of novel body concepts...

Control mechanisms of clays and their specific surface area in growing media – assessment of clay properties and their parametrization for the optimization of plant quality

S. Dultz, M. Schellhorn, G. Schmilewski, M. K. Schenk, I. Dombrowski, E. Schmidt, J. Walsch & M. Below
The addition of clay to growing media aims at constant supply of potassium, phosphorus and micro nutrients, pH-buffering, improvement of rewettability, and cohesion of growing media. The identification of suitable clays and their classification is a prerequisite for product and cultivation safety. A range of different clays highly variable in their mineral parameters were selected for experiments on nutrient buffering (P) and Mn toxicity, their ability to improve the rewettability and binding capacity of growing...

SURFTRAP - Development and Optimisation of a Process to Biosynthesize Reactive Iron Mineral Surfaces for Water Treatment Purposes

S. Peiffer, S. Paikaray, C. Damian, E. Janneck, S. Ehinger, M. Martin, M. Schlömann, C. Wiacek, J. Kipry, W. Schmahl, R. Pentcheva, K. Otte, A. Götz, Z. Wang, K. Hsieh, J. Meyer, G. Schöne, T. Koch, A. Ziegler & D. Burghardt
In this project we aim to develop a low-cost technology to remove ionic constituents from raw waters such as arsenic species. The proposed technology is based on the reactivity of schwertmannite, an oxyhydroxosulfate of the mean stochiometry Fe8O8(OH)6SO4 (molar mass 772.89 g/mol). This mineral typically forms in acidic and sulfate rich mine waters as a secondary mineral upon oxidation of Fe(II) in a biologically mediated process. Schwertmannite can be generated in a biotechnological process after...

Progress towards the new GFZ EIGEN-GRACE06S gravity field time series

Christoph Dahle, Frank Flechtner & Karl Neumayer

Gravity Field Generation Applying the Integrated Approach

Christoph Dahle & Daniel König

GRIMM-2 : the parent magnetic field model for an IGRF candidate model

V. Lesur, Martin Rother, Mohamed Hamoudi, I. Wardinski, H. Lühr, Ingo Michaelis & Jan Rauberg
The International Geomagnetic Reference Field (IGRF) is a very frequently used model of the Earth’s main magnetic field by both the science community and the industry. This model is updated every five years. We present here the second generation of the GRIMM magnetic field model that was derived to contribute to the IGRF-11. The model has been developed from a newly, reprocessed CHAMP satellite data set covering nearly 10 years. It has a temporal and...

Mitigating the consequences of extreme events on strategic facilities: Evaluation of volcanic and seismic risk in the Caspian oil and gas pipelines in the Republic of Georgia

F. A. Pasquarè, D. Tormey, L. Vezzoli, A. Okrostsvaridze & B. Tutberidze

Identification of a large polygonal-fault network in the Hammerfest Basin: implications on migration and leakage of hydrocarbons in the South Western Barents Sea

Ilya Ostanin, Anka Zahie, Rolando Di Primio, Jon Erik Skeie & Asdrubal Bermal

Ascent Distance of Anatectic Granitoid Melts in Collisional Orogens: The Greater Caucasus

Avtandil Okrostsvaridze, D. Tormey & D. Bluahsvili

Volcanic and tectonic deformation monitoring in central Alborz, northern Iran, usingadvanced InSAR time series

Shirzaei Manoochehr & Thomas R. Walter

Differential subduction and exhumation of crustal slice in the Sulu HP and UHP metamorphic terrane

Liu Fulai & Axel Gerdes

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  • Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences
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  • Helmholtz-Zentrum Geesthacht Centre for Materials and Coastal Research
  • University of Potsdam