Thomas van der LindenUtrecht University | UU · Department of Earth Sciences
Thomas van der Linden
Master of Science
About
6
Publications
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Introduction
Skills and Expertise
Publications
Publications (6)
Biogrouting is a biological ground improvement method, in which microorganisms are used to induce carbonate precipitation in the subsurface in order to increase the strength and stiffness of granular soils. In this paper the results of a large-scale experiment �100 m3� are presented, in which the feasibility of biogrouting as a ground improvement m...
Paleogeographic maps are essential tools for understanding Earth system dynamics. They provide boundary conditions for climate and geodynamic modelling, for analysing surface processes and biotic interactions. However, the temporal and spatial distribution of key features such as seaways and mountain belts that govern climate changes and biotic int...
Studies of paleoclimatology, paleoceanography, paleobiology, and other studies of paleoenvironment require paleogeographic reconstructions that display the past distribution of land and sea, and of bathymetry and altimetry. Quantitative reconstructions of past positions of continents and oceans have been available for decades, and have become easy...
Paleo-digital elevation models (paleoDEM) based on plate tectonic and paleogeographic reconstructions use age grids of ocean floor to determine ocean bathymetry. In recent years, such age grids have also been developed for now-subducted oceans from the far geological past, as far back as the Neoproterozoic, using geology and paleomagnetism-based es...
A new method for ground improvement is being developed: BioGrout, a method based on microbial-induced carbonate precipitation. The feasibility of this method was tested in a field scale experiment: within 12 days 40 m 3 of sand was biologically cemented stretching over a length of 5 m between three injection and three extraction points. In this pap...
Carefully designed time-lapse shear-wave seismic measurements were carried out during a large-scale biogrouting experiment in sand. The results point out the possibility for a reliable, quantitative monitoring in time and space of the effect of biogrouting in the shallow subsoil. High-resolution time-lapse shear-wave seismic can uniquely define the...
Projects
Projects (3)
We aim to develop quantitative paleogeographic reconstructions of ocean basin bathymetry and on-land topography in the geological past, and aim to quantify error bars on these reconstructions
The TRIGGER project is a 5-year project funded by a Dutch Science Council VICI-grant, and comprises six sub-projects that are carried out by PhD students, Post-docs, and a software developer. The aim of the project is to identify the geodynamic trigger of the global plate reorganization that occurred around 50-45 Ma. During this time, many plates significantly changed absolute plate motion direction - causing amongst others the Hawaii-Emperor bend on the Pacific plate, but also the North and South American, Caribbean, Indian, and Australian plate showed significant plate motion changes. Orogens including the Himalaya and the Andes started forming, new subduction zones formed, and around the same time, global climate started cooling, and major evolutionary changes occurred. The project will involve building global plate-and-trench restorations for the Cenozoic, novel absolute plate motion frames, and numerical modeling aiming to test if and how single events may propagate globally.
I use global plate reconstructions, and my own restorations of intensely deformed plate boundary zones embedded in those, to help develop paleogeographic boundary conditions, placed in the appropriate (paleomagnetic) reference frames, for paleoclimate studies.
