Search Results - "A. Butz"

Mechanisms of void formation during tensile testing in a commercial, dual-phase steel by Kadkhodapour, J., Butz, A., Ziaei Rad, S.

“…A detailed analysis of the microstructure and failure mechanism of a dual-phase steel material as a function of strain was conducted. Accordingly, three…”
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A micro mechanical study on failure initiation of dual phase steels under tension using single crystal plasticity model by Kadkhodapour, J., Butz, A., Ziaei-Rad, S., Schmauder, S.

“…Both experimental and numerical methods were employed to investigate the mechanism of failure in dual phase steels. The tensile test was interrupted in…”
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A large increase in U.S. methane emissions over the past decade inferred from satellite data and surface observations by Turner, A. J., Jacob, D. J., Benmergui, J., Wofsy, S. C., Maasakkers, J. D., Butz, A., Hasekamp, O., Biraud, S. C.

“…The global burden of atmospheric methane has been increasing over the past decade, but the causes are not well understood. National inventory estimates from…”
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Disentangling chlorophyll fluorescence from atmospheric scattering effects in O2 A-band spectra of reflected sun-light by Frankenberg, C., Butz, A., Toon, G. C.

“…Global retrieval of solar induced fluorescence emitted by terrestrial vegetation can provide an unprecedented measure for photosynthetic efficiency. The GOSAT…”
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Global CO2 fluxes estimated from GOSAT retrievals of total column CO2 by Basu, S, Guerlet, S, Butz, A, Houweling, S, Hasekamp, O, Aben, I, Krummel, P, Steele, P, Langenfelds, R, Torn, M, Biraud, S, Stephens, B, Andrews, A, Worthy, D

“…We present one of the first estimates of the global distribution of CO2 surface fluxes using total column CO2 measurements retrieved by the SRON-KIT RemoTeC…”
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Data-Driven Accelerated Parameter Identification for Chaboche-Type Visco-Plastic Material Models to Describe the Relaxation Behavior of Copper Alloys by Morand, L., Norouzi, E., Weber, M., Butz, A., Helm, D.

“…Background Calibrating material models to experimental measurements is crucial for realistic computational analysis of components. For complex material models,…”
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Virtual testing of dual-phase steels: Effect of martensite morphology on plastic flow behavior by Pagenkopf, J., Butz, A., Wenk, M., Helm, D.

“…Dual-phase steels exhibit a moderate plastic anisotropy as a result of the underlying microstructure. A numerical homogenization scheme based on full-field…”
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Inverse modelling of CH4 emissions for 2010-2011 using different satellite retrieval products from GOSAT and SCIAMACHY by Alexe, M, Bergamaschi, P, Segers, A, Detmers, R, Butz, A, Hasekamp, O, Guerlet, S, Parker, R, Boesch, H, Frankenberg, C

“…At the beginning of 2009 new space-borne observations of dry-air column-averaged mole fractions of atmospheric methane (XCH4) became available from the Thermal…”
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A new threat in the air: Macroeconomic threat increases prejudice against Asian Americans by Butz, David A., Yogeeswaran, Kumar

“…Macroeconomic conditions have long been suspected of increasing hostility toward ethnic outgroups. Integrating prior work on macroeconomic threat with recent…”
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Spectrometric imaging of sub-hourly methane emission dynamics from coal mine ventilation by Knapp, M, Scheidweiler, L, Külheim, F, Kleinschek, R, Necki, J, Jagoda, P, Butz, A

“…Anthropogenic methane (CH 4 ) emissions contribute significantly to the current radiative forcing driving climate change. Localized CH 4 sources such as…”
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Anomalous carbon uptake in Australia as seen by GOSAT by Detmers, R. G., Hasekamp, O., Aben, I., Houweling, S., van Leeuwen, T. T., Butz, A., Landgraf, J., Köhler, P., Guanter, L., Poulter, B.

“…One of the unanswered questions of climate change is how the biospheric uptake of carbon responds to events such as droughts and floods. Especially, semiarid…”
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TROPOMI aboard Sentinel-5 Precursor: Prospective performance of CH4 retrievals for aerosol and cirrus loaded atmospheres by Butz, A., Galli, A., Hasekamp, O., Landgraf, J., Tol, P., Aben, I.

“…The TROPOspheric Monitoring Instrument (TROPOMI) will be part of ESA's Sentinel-5 Precursor satellite platform scheduled for launch in late 2014. One of…”
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Toward accurate CO2 and CH4 observations from GOSAT by Butz, A., Guerlet, S., Hasekamp, O., Schepers, D., Galli, A., Aben, I., Frankenberg, C., Hartmann, J.-M., Tran, H., Kuze, A., Keppel-Aleks, G., Toon, G., Wunch, D., Wennberg, P., Deutscher, N., Griffith, D., Macatangay, R., Messerschmidt, J., Notholt, J., Warneke, T.

“…The column‐average dry air mole fractions of atmospheric carbon dioxide and methane and are inferred from observations of backscattered sunlight conducted by…”
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Reduced carbon uptake during the 2010 Northern Hemisphere summer from GOSAT by Guerlet, S., Basu, S., Butz, A., Krol, M., Hahne, P., Houweling, S., Hasekamp, O. P., Aben, I.

“…Column‐averaged dry air mole fractions of carbon dioxide (XCO2) measured by the Greenhouse Gases Observing Satellite (GOSAT) reveal significant interannual…”
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Assimilation of atmospheric methane products into the MACC-II system: from SCIAMACHY to TANSO and IASI by Massart, S, Agusti-Panareda, A, Aben, I, Butz, A, Chevallier, F, Crevoisier, C, Engelen, R, Frankenberg, C, Hasekamp, O

“…The Monitoring Atmospheric Composition and Climate Interim Implementation (MACC-II) delayed-mode (DM) system has been producing an atmospheric methane (CH4)…”
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IL-15 triggers an antiapoptotic pathway in human intraepithelial lymphocytes that is a potential new target in celiac disease-associated inflammation and lymphomagenesis by Malamut, Georgia, El Machhour, Raja, Montcuquet, Nicolas, Martin-Lannerée, Séverine, Dusanter-Fourt, Isabelle, Verkarre, Virginie, Mention, Jean-Jacques, Rahmi, Gabriel, Kiyono, Hiroshi, Butz, Eric A, Brousse, Nicole, Cellier, Christophe, Cerf-Bensussan, Nadine, Meresse, Bertrand

“…Enteropathy-associated T cell lymphoma is a severe complication of celiac disease (CD). One mechanism suggested to underlie its development is chronic exposure…”
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Vibrio cholerae CsrA Regulates ToxR Levels in Response to Amino Acids and Is Essential for Virulence by Mey, Alexandra R, Butz, Heidi A, Payne, Shelley M

“…ToxR is a major virulence gene regulator in Vibrio cholerae. Although constitutively expressed under many laboratory conditions, our previous work demonstrated…”
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The seasonal variation of the CO2 flux over Tropical Asia estimated from GOSAT, CONTRAIL, and IASI by Basu, S., Krol, M., Butz, A., Clerbaux, C., Sawa, Y., Machida, T., Matsueda, H., Frankenberg, C., Hasekamp, O. P., Aben, I.

“…We estimate the CO2 flux over Tropical Asia in 2009, 2010, and 2011 using Greenhouse Gases Observing Satellite (GOSAT) total column CO2(XCO2) and in situ…”
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Comparing the CarbonTracker and TM5-4DVar data assimilation systems for CO2 surface flux inversions by Babenhauserheide, A, Basu, S, Houweling, S, Peters, W, Butz, A

“…Data assimilation systems allow for estimating surface fluxes of greenhouse gases from atmospheric concentration measurements. Good knowledge about fluxes is…”
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Regulatory Effects of CsrA in Vibrio cholerae by Butz, Heidi A, Mey, Alexandra R, Ciosek, Ashley L, Crofts, Alexander A, Davies, Bryan W, Payne, Shelley M

“…CsrA is a posttranscriptional global regulator in Although CsrA is critical for survival within the mammalian host, the regulatory targets of CsrA remain…”
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