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Mineral changes in cement-sandstone matrices induced by biocementation

Creator:

Verba, C., Thurber, A. R., Alleau, Y., Koley, D., Colwell, F., and Torres, M. E.

Abstract:

Prevention of wellbore CO₂ leakage is a critical component of any successful carbon capture, utilization, and storage program. Sporosarcina pasteurii is a bacterium that has demonstrated the potential ability to seal a compromised wellbore through the enzymatic precipitation of CaCO₃. Here we investigate the growth of S. pasteurii in a...

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the presence of urea and Ca2+, eposition of calcium carbonate occurs (Fujita et al., 2000; Fujita t al
High-resolution glacial and deglacial record of atmospheric methane by continuous-flow and laser spectrometer analysis along the NEEM ice core

Creator:

Chappellaz, J., Stowasser, C., Blunier, T., Baslev-Clausen, D., Brook, Edward J., Dallmayr, R., Fain, X., Lee, J. E., Mitchell, L. E., Pascual, O., Romanini, D., Rosen, J., and Schuepbach, S.

Abstract:

The Greenland NEEM (North Greenland Eemian Ice Drilling) operation in 2010 provided the first opportunity to combine trace-gas measurements by laser spectroscopic instruments and continuous-flow analysis along a freshly drilled ice core in a field-based setting. We present the resulting atmospheric methane (CH₄) record covering the time period from 107.7...

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Article

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the PDD (see Schüpbach et al., 2009 for details). When a new ice rod is placed on the melt head or

ScholarsArchive@OSU

Mineral changes in cement-sandstone matrices induced by biocementation

High-resolution glacial and deglacial record of atmospheric methane by continuous-flow and laser spectrometer analysis along the NEEM ice core

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