• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 2
  • 2
  • Tagged with
  • 4
  • 3
  • 3
  • 3
  • 3
  • 3
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • 2
  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Zur Entstehung rhythmisch geschichteter Beckensedimente des Illergletschergebietes (Südwest Bayern)

Link, Arne. Unknown Date (has links) (PDF)
Universiẗat, Diss., 2004--Köln.
2

Forward numerical modelling of carbonate basins: an ecological approach

Clavera-Gispert, Roger 07 December 2016 (has links) (PDF)
This thesis presents a new stratigraphic forward numerical model to simulate the carbonate production of marine sedimentary basin through ecological model which is implemented in the SIMSAFADIM-CLASTIC program. This ecological model is based on the Generalized Lotka Voltera equations that model the population evolution of species. These populations are controlled by biological factors (growth rate, carrying capacity and interaction among species), and by the environmental conditions (light, energy of the medium, nutrients, bottom slope and concentration of clastic sediments in suspension) which are combined forming a unique environmental factor that downscale the intrinsic rate of growth. The algorithm to apply in the code uses an explicit Runge-Kutta numerical method of order (4)5 to solve the differential equations formulated in the ecological model. Finally, a 3D visualization output files for the interpretation and analysis are generated using the VTK format. The obtained code has been applied in three sample experiments in order to discuss the possibilities and the limitations of the code. The first example is the model of a theoretical basin. The results are compared with real cases. The second example is an actual basin sited in western Mediterranean Sea. The results are discussed to show the applicability and the limitations of the model. The third example applies several configurations to the Aptian Galve sub-basin (Maestrat Basin, E Iberia), allowing to define the environmental conditions.
3

Forward numerical modelling of carbonate basins: an ecological approach

Clavera-Gispert, Roger 01 November 2016 (has links)
This thesis presents a new stratigraphic forward numerical model to simulate the carbonate production of marine sedimentary basin through ecological model which is implemented in the SIMSAFADIM-CLASTIC program. This ecological model is based on the Generalized Lotka Voltera equations that model the population evolution of species. These populations are controlled by biological factors (growth rate, carrying capacity and interaction among species), and by the environmental conditions (light, energy of the medium, nutrients, bottom slope and concentration of clastic sediments in suspension) which are combined forming a unique environmental factor that downscale the intrinsic rate of growth. The algorithm to apply in the code uses an explicit Runge-Kutta numerical method of order (4)5 to solve the differential equations formulated in the ecological model. Finally, a 3D visualization output files for the interpretation and analysis are generated using the VTK format. The obtained code has been applied in three sample experiments in order to discuss the possibilities and the limitations of the code. The first example is the model of a theoretical basin. The results are compared with real cases. The second example is an actual basin sited in western Mediterranean Sea. The results are discussed to show the applicability and the limitations of the model. The third example applies several configurations to the Aptian Galve sub-basin (Maestrat Basin, E Iberia), allowing to define the environmental conditions.
4

Tektono-stratigraphische Entwicklung der Tertiärbecken der östlichen Oberlausitz im Grenzbereich Sachsen-Polen-Böhmen

Bräutigam, Bernd 15 October 2021 (has links)
Es wird die tektonische Entwicklung des östlichsten Teils des Egergrabens vorgelegt, wobei die tektonische Aktivität bis ins Pleistozän nachgewiesen wird. Dabei werden erstmals die Tertiärbecken der Oberlausitz als östlichste Fortsetzung des Egergrabens zusammenfassend detailliert beschrieben und die Kohleflöze mit den Flözen der Niederlausitz, der kleinen Tertiärbecken bis Luban und den Kohleflözen der tschechischen Tertiärbecken des Egergrabens korreliert. / The tectonic development of the easternmost part of the Egergraben is presented, with the tectonic activity being proven up to the Pleistocene. For the first time, the Tertiary Basins of Upper Lusatia, as the easternmost continuation of the Eger Graben, are described in detail and the coal seams are correlated with the seams of Lower Lusatia, the small tertiary basins up to Luban and the coal seams of the Czech Tertiary Basins of the Eger Graben.

Page generated in 0.0615 seconds