Alexi M. Grachev, Ph.D.

Affiliations: 
2004 University of California, San Diego, La Jolla, CA 
Area:
Environmental Sciences, Geochemistry, Atmospheric Science Physics
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"Alexi Grachev"

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Jeffrey P. Severinghaus grad student 2004 UCSD
 (Laboratory-determined air thermal diffusion constants applied to reconstructing the magnitudes of past abrupt temperature changes from gas isotope observations in polar ice cores.)
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Publications

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Alexandrin MY, Darin AV, Kalugin IA, et al. (2018) Annual Sedimentary Record From Lake Donguz-Orun (Central Caucasus) Constrained by High Resolution SR-XRF Analysis and Its Potential for Climate Reconstructions Frontiers in Earth Science. 6
Kutuzov SS, Mikhalenko VN, Grachev AM, et al. (2016) First geophysical and shallow ice core investigation of the Kazbek plateau glacier, Caucasus Mountains Environmental Earth Sciences. 75
Grachev AM, Brook EJ, Severinghaus JP, et al. (2009) Relative timing and variability of atmospheric methane and GISP2 oxygen isotopes between 68 and 86 ka Global Biogeochemical Cycles. 23
Grachev AM, Brook EJ, Severinghaus JP. (2007) Abrupt changes in atmospheric methane at the MIS 5b-5a transition Geophysical Research Letters. 34
Kobashi T, Severinghaus JP, Brook EJ, et al. (2007) Precise timing and characterization of abrupt climate change 8200 years ago from air trapped in polar ice Quaternary Science Reviews. 26: 1212-1222
Grachev AM, Severinghaus JP. (2005) A revised + 10±4°C magnitude of the abrupt change in Greenland temperature at the Younger Dryas termination using published GISP2 gas isotope data and air thermal diffusion constants Quaternary Science Reviews. 24: 513-519
Taylor KC, White JWC, Severinghaus JP, et al. (2004) Abrupt climate change around 22 ka on the Siple Coast of Antarctica Quaternary Science Reviews. 23: 7-15
Landais A, Caillon N, Goujon C, et al. (2004) Quantification of rapid temperature change during DO event 12 and phasing with methane inferred from air isotopic measurements Earth and Planetary Science Letters. 225: 221-232
Grachev AM, Severinghaus JP. (2003) Determining the thermal diffusion factor for 40Ar/36Ar in air to aid paleoreconstruction of abrupt climate change Journal of Physical Chemistry A. 107: 4636-4642
Grachev AM, Severinghaus JP. (2003) Laboratory determination of thermal diffusion constants for 29N2/28N2 in air at temperatures from -60 to 0°C for reconstruction of magnitudes of abrupt climate changes using the ice core fossil-air plaeothermometer Geochimica Et Cosmochimica Acta. 67: 345-360
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