Zobrazeno 1 - 10
of 262
pro vyhledávání: '"Stephen E Grasby"'
Publikováno v:
Frontiers in Microbiology, Vol 6 (2015)
Carbon monoxide (CO) is a potential energy and carbon source for thermophilic bacteria in geothermal environments. Geothermal sites ranging in temperature from 45–65°C were investigated for the presence and activity of anaerobic CO-oxidizing bacte
Externí odkaz:
https://doaj.org/article/2fb8ee54c1bf470ea41ad37985341f6c
Publikováno v:
Frontiers in Microbiology, Vol 4 (2013)
We combined free energy calculations and metagenomic analyses of an elemental sulfur (S0) deposit on the surface of Borup Fiord Pass Glacier in the Canadian High Arctic to investigate whether the energy available from different redox reactions in an
Externí odkaz:
https://doaj.org/article/d7feb3c12c91452db6ef741bf5ebe68b
Publikováno v:
Remote Sensing, Vol 16, Iss 18, p 3400 (2024)
In this study, we describe a deep learning (DL)-based workflow for the three-dimensional (3D) geophysical inversion of magnetotelluric (MT) data. We derived a mathematical connection between a 3D resistivity model and the surface-observed electric/ma
Externí odkaz:
https://doaj.org/article/3bb36cf164cc4e159e2c41d0802a922d
Publikováno v:
Earth and Space Science, Vol 10, Iss 12, Pp n/a-n/a (2023)
Abstract Accurate estimation of mineral composition is essential for refined reservoir characterization, thermal conductivity and mechanical determinations of sedimentary rocks, but is extremely challenging in shale units due to the mineralogical com
Externí odkaz:
https://doaj.org/article/f46b0e1a5e754650b7991ec39721b3e0
Autor:
Ashirgul Kozhagulova, Vadim Yapiyev, Leila Karabayanova, Antoine Dillinger, Vyacheslav Zavaley, Aisulu Kalitova, Emil Bayramov, John Holbrook, Stephen E. Grasby, Milovan Fustic
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
The Zharkent (eastern Ily) Basin is renowned for its low-salinity natural hot springs and geothermal wells, primarily utilized for recreational purposes. Despite the growing commercial interest, the geothermal system in this area is very poorly docum
Externí odkaz:
https://doaj.org/article/3f84a8241b344fceae5a8ad6a2588956
Autor:
Katherine Huang, Alireza Dehghani-Sanij, Catherine Hickson, Stephen E. Grasby, Emily Smejkal, Mafalda M. Miranda, Jasmin Raymond, Derek Fraser, Kass Harbottle, Daniel Alonso Torres, John Ebell, Julie Dixon, Emily Olsen, Jeanine Vany, Kirsten Marcia, Maurice Colpron, Andrew Wigston, Gordon Brasnett, Martyn Unsworth, Phil Harms
Publikováno v:
Energies, Vol 17, Iss 8, p 1807 (2024)
Geothermal energy exploration, development, and research have been ongoing in Canada for several decades. The country’s cold climate and the push to develop renewable energy sources have driven interest in geothermal energy. Despite this drive, reg
Externí odkaz:
https://doaj.org/article/5e1b0ac184904a30bfa16df79904b73f
Autor:
Mafalda M. Miranda, Félix-Antoine Comeau, Jasmin Raymond, Louis Gosselin, Stephen E. Grasby, Andrew Wigston, Alireza Dehghani-Sanij, Sarah Sternbergh, Serge Perreault
Publikováno v:
European Geologist, Vol 54, Pp 12-20 (2022)
The sustainable development of Canada’s north is a growing challenge. Nearly 134,000 people, mostly Indigenous, live typically in a diesel-dependent dynamic, and thus initiatives to deploy clean technologies for heat and electricity are ongoing. Re
Externí odkaz:
https://doaj.org/article/970eaac4db6544babfd9fe28f65203f8
Autor:
Jochen Knies, Jasmin Schönenberger, Horst Zwingmann, Roelant van der Lelij, Morten Smelror, Per Erik Vullum, Marco Brönner, Christoph Vogt, Ola Fredin, Axel Müller, Stephen E. Grasby, Benoit Beauchamp, Giulio Viola
Publikováno v:
Communications Earth & Environment, Vol 3, Iss 1, Pp 1-12 (2022)
Following the latest Permian extinction, nutrient availability from enhanced continental weathering enabled biological recovery in the ocean, according to K-Ar dating of clay minerals and nitrogen isotope analyses from high northern latitudes.
Externí odkaz:
https://doaj.org/article/e078d8b1fe0145158fdbe10708570a73
Autor:
William J. Foster, Amanda Godbold, Arnaud Brayard, Anja B. Frank, Stephen E. Grasby, Richard J. Twitchett, Tatsuo Oji
Publikováno v:
PeerJ, Vol 10, p e14357 (2022)
The Hiraiso Formation of northeast Japan represents an important and under-explored archive of Early Triassic marine ecosystems. Here, we present a palaeoecological analysis of its benthic faunas in order to explore the temporal and spatial variation
Externí odkaz:
https://doaj.org/article/d2bd0a712ae848f8b03d9dd649a577af
Autor:
Ruiyang Sun, Hanwei Yao, Changzhou Deng, Stephen E. Grasby, Chengshan Wang, Xi Chen, Runsheng Yin
Publikováno v:
Geochemistry, Geophysics, Geosystems, Vol 23, Iss 4, Pp n/a-n/a (2022)
Abstract During the Late Cretaceous, Earth's climate oscillated between warm and cool states, and global oceans changed between anoxic and oxic conditions, resulting in black/gray shales and oceanic red beds (ORBs) deposition, respectively. To unders
Externí odkaz:
https://doaj.org/article/96a4c39b59f04809999e58fc37ff9dea