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Pore water pressure

About: Pore water pressure is a research topic. Over the lifetime, 11455 publications have been published within this topic receiving 247670 citations. The topic is also known as: pwp.


Papers
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Journal ArticleDOI
TL;DR: Soil pore water under field conditions was analysed to provide new insights into the mobility of residual contaminants in the surface 50 cm of a highly contaminated woodland soil, with Cadmium and Zn showing considerable downward mobility.

158 citations

Journal ArticleDOI
TL;DR: In this paper, a model is developed to simulate the stability of a wellbore drilled in a methane-hydrate bearing sedimentary formation, which couples the thermodynamic stability of the hydrates in porous media to fluid and thermal transport and to mechanical deformation.

157 citations

Journal ArticleDOI
TL;DR: A review of the four commonly used methods for collection of pore water and potential artifacts from their use, particularly in the preparation of samples for trace metal analysis can be found in this paper.

157 citations

Journal ArticleDOI
TL;DR: In this article, a chemically reactive 10-layer sediment module was coupled to a geochemical ocean general circulation model (the Hamburg Oceanic Carbon Cycle Model) to simulate the processes of particle deposition, pore water reactions and interaction with the open water column, vertical sediment advection, sediment accumulation, and bioturbation.
Abstract: A chemically reactive 10-layer sediment module was coupled to a geochemical ocean general circulation model (the Hamburg Oceanic Carbon Cycle Model). The sediment model includes four solid sediment components (CaCO3, opal, organic carbon, and clay), and five pore water substances (dissolved inorganic carbon, total alkalinity, PO43−, O2, Si(OH)4) plus corresponding species containing 13C and 14C instead of 12C. The processes, namely, particle deposition, pore water reactions, pore water diffusion and interaction with the open water column, vertical sediment advection, sediment accumulation, and bioturbation, are simulated through basic parametrizations. For the water column part the Si and C cycles are coupled by a formulation of the “rain ratio” Si:C(CaCO3):C(POC), where POC is particulate organic carbon, in biogenic particle export production, with CaCO3 frustrule production growing in parallel to a weakening of opal production during progressing deficiency of dissolved silicate in the surface layer. For two preindustrial velocity fields the model reproduces major features of observed water column and sediment tracer distributions parallel to a correct preindustrial CO2 level close to 280 ppm. The model reacts sensitively to the formulation of the POC flux parametrization, the rain ratio, as well as the solubility of opal but is fairly insensitive to changes in the bioturbation rate as well as the amount of clay deposition. A simulation of the sediment distribution by use of a velocity field, which represents the ocean at conditions during the last glacial maximum, yields realistic glacial-interglacial changes for the Atlantic Ocean, while discrepancies remain for the Indo-Pacific region. A significant decrease of the atmospheric pCO2 could be achieved through an additional change of water column inventories by a change in weathering input of Si and alkalinity.

155 citations

Journal ArticleDOI
TL;DR: In this paper, a procedure was devised for predicting fluid pressures in a sedimentary basin from the distribution of different rock types, and their burial rates, based on a simple equation which accounts only for the vertical flow of fluids.

155 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023552
2022995
2021572
2020564
2019566
2018566