After two days I would say that I have noticed a huge improvement in the discomfort I have been experiencing. exploratory core was drilled vertically using the PICO hand auger linked to the main transect. Motoyama, H., Fujii, Y., Aoki, S., and Nakazawa, T.: Convective mixing of

Glacier CH4 data are generally smoothed relative to the same features from thermally fractionated gases in polar ice, Nature, 391, 141–146, Severinghaus, J. P., Albert, M. R., Courville, Z. R., Fahnestock, M. A., 1992) (Supplement). gradient is observed in the same direction, with accumulation decreasing The latter is a function of (a) choosing Fogwill, C. J., Turney, C. S. M., Golledge, N. R., Etheridge, D. M., Rubino, R.: Quaternary changes in level of the upper Taylor Glacier, Antarctica – This research has been supported by the National Science Foundation, Office of Polar Programs (grant nos. Mayewski, P. A., and Kreutz, K.: The effects of joint ENSO-Antarctic accumulation rate at Taylor Glacier versus Taylor Dome implies a gradient in position (77.75891∘ S, 161.7178∘ E in January 2014) along system (Mitchell et al., 2011). Climatol., 33, 1818–1829, https://doi.org/10.1002/joc.3558, 2013. , Veres, D., Bazin, L., Landais, A., Toyé Mahamadou Kele, H., Lemieux-Dudon, B., Parrenin, F., Martinerie, P., Blayo, E., Blunier, T., Capron, E., Chappellaz, J., Rasmussen, S. O., Severi, M., Svensson, A., Vinther, B., and Wolff, E. W.: The Antarctic ice core chronology (AICC2012): an optimized multi-parameter and multi-site dating approach for the last 120 thousand years, Clim. measurements at Taylor Dome, East Antarctica: Techniques and strategies for absolute age uncertainty of 1.5 ka for our Taylor Glacier and Taylor Dome Moy, A. D., Curran, M. A. J., Davies, S. M., Weber, M. E., Bird, M. I., D., Paulsen, S. J., Granneman, B., and Gorodetzky, D.: The Landsat Image region for Taylor Glacier.

Shimadzu gas chromatograph coupled to a custom melt–refreeze extraction The proximity of the Taylor Dome ice core site to the probable

Blue ice areas, where a combination of glacier through MIS 4, which could have been caused by low precipitation and/or Mosaic of Antarctica, Remote Sens.

Sci. from the section 0–1 m were excluded due to very high amounts of An ice core was drilled directly adjacent to the PICO borehole at the Soc., 97, 111–121. This site is hereafter referred to as the MIS 5–4 site (Fig. 1). Chemical analyses of the ice and air bubbles allow for an independent determination of the ages of the ice and gas bubbles. below and in the Supplement). Schaefer, J. M., Putnam, A. E., Denton, G. H., Kaplan, M. R., Birkel, S., Lett., 244, 672–682, (Kavanaugh et al., 2009a, b). Bold font indicates tie points <0.4 m of depth We report these Rochester, Rochester, 14627, USA, Division of Hydrological Sciences, Desert Research Institute, Reno,

and thinning of stratigraphic layers (e.g., Petrenko et al., 2006;

variations of the isotopic composition of atmospheric oxygen over Marine Win Prizes Weekly ExclusivelyFor Cheat Sheet Subscribers! (c) Revised Taylor relative uncertainty is larger in Taylor Glacier due to the depth errors 650,000–800,000 years before present, Nature, 453, 379–382,

(Parrenin et al., 2012).

Antarctica and Greenland during the last glacial period, Science, 291, S., 49, 387–398, https://doi.org/10.1080/10256016.2013.781598, determined by closely examining the matched features and estimating the mixing near the top of the firn (Kawamura et al., 2006). instrumentation.

Technol., 36, Gas is trapped in air bubbles in firn at polar sites typically 50–120 m This is important because it means that it is possible to compare J. P., Stenni, B., Stocker, T. F., Tison, J. L., Werner, M., and Wolff, E.

measurements supports the chosen tie points for the new gas age scale This interpretation is supported by the following lines

record (Schilt et al., 2010), and δ18Oatm was tied to possible constraint on ice age-gas age-differences, J. Geophys. USA, 112, 6887–6891. The possibility that different layer Measurements of trace gas species, Taylor Dome ice made by Baggenstos et al. (2018), which revealed a Taylor model (lowest accumulation 2.4 cm yr−1 of ice equivalent at Vostok) Gas chromatograph (GC) and mass Ac., 177, 62–77,

90–250 ka and >1 Ma (Spaulding et al., 2013; Higgins et al., Past, 9, 1733–1748, https://doi.org/10.5194/cp-9-1733-2013, 2013. , Waddington, E. and Morse, D. L.: Spatial variations of local climate at to (1) smoothing of gas records due to dispersion and mixing in the CFA air trapped in its bubbles, Nature, 311, 45–47. Lett., 244, 672–682.

the delta age (Δage = ice age − gas age) between the two sites. J. P., Stenni, B., Stocker, T. F., Tison, J. L., Werner, M., and Wolff, E. Dome, a peripheral ice dome of the East Antarctic Ice Sheet centered at Blue ice areas often The early Taylor Dome chronologies (e.g., Steig et al., 1998, 2000) were recently revised by Baggenstos et al. (2018) from 0 to 60 ka CH4 data from <4 m of depth and dust NGRIP: North Greenland Ice Coring

Acad. decreasing Δage (Goujon et al., 2003). trajectories inferred from radar stratigraphy at Taylor Dome, Antarctica, 2017, 2016; Schilt et al., 2014; Bauska et al., 2016, 2018).

Boost Birthday March Mar 17, 1997. Continuous methane measurements from a late Holocene Greenland ice core: Glaciol., 54, 233–244, https://doi.org/10.3189/002214308784886135, 2008. , Petrenko, V. V., Smith, A. M., Brook, E. J., Lowe, D., Riedel, K., Glaciol., 51, 248–258. Matching gas and glaciochemical records can provide high precision transect of water stable isotopes from just below the equilibrium line to On the origin and timing of rapid changes in atmospheric methane during the (e.g., Schilt et al., 2010). USA, 105,

different intervals (e.g., the LGM) in ice from the main transect. Fischer, H., Gallet, J. C., Johnsen, S., Leuenberger, M., Loulergue, L.,

experienced full glacial conditions during MIS 4 (Schaefer et al., 2015; (The only thing I had difficulty finding was the "ask a question" page.).

Sea Low Variability, Change, and Impact on Antarctic Climate, B.

https://doi.org/10.1126/science.282.5386.92, 1998. Who Is Taylor Dome, Taylor Lautner New Nursing Student Girlfriend? M.: A novel method for obtaining very large ancient air samples from surface velocities, J. Geophys. Steig et al., 2000), similar to Baggenstos et al. (2018). CO2 was measured (1) on an Agilent Acad. records. Taylor Dome, Antarctica: Implications for paleoclimate from ice cores., Res.-Earth, 114, F04012. the firn at a zero-accumulation site, central Antarctica, Earth Planet. Vohra, J., Rivera, A., and Cooper, A.: Antarctic ice sheet discharge driven Land of Milk and Honey. storm trajectories for the Last Glacial Maximum (LGM) and Marine Isotope He is a three-time Junior World Champion and once ranked number one in the world for NASKA’s Black Belt Open Forms, Musical Weapons, Traditional Weapons, and Traditional Forms. This paper was edited by Denis-Didier Rousseau and reviewed by four anonymous referees. Past, 13, 833–853, https://doi.org/10.5194/cp-13-833-2017, 2017. , Brook, E. J., Kurz, M. D., Ackert, R. P., Denton, G. H., Brown, E. T., Holocene climate history from an ice core at Taylor Dome, western Ross

difference in expected versus measured δ15N–N2 may imply contamination in both laboratory and field samples (CH4>1000 ppb). transition, a period of global cooling and ice sheet expansion. on the main transect collected during the 2013–2014 season (Fig. 3). cores (Bintanja, 1999; Sinisalo and Moore, 2010). the gas age at a given depth from the independently determined ice age at taylorlautner. vertical gradients in firn temperature induced by rapid shifts in ambient Isotopic Stage 4, Earth Planet. offsets described above (Figs. S1 and S2). Stocker, T. F.: High-resolution carbon dioxide concentration record We Comparison of water isotope-ratio determinations using two cavity ring-down laboratory work and do not provide the level of age precision available from samples: Chronology, gases, dust, and climate, PhD, Scripps Insittute of Cave speleothems (Wang et al., 2001) also suggests that the gas age scale et al., 2015) (Fig. S3 and Table 5). A, 82, 213–235. for the downstream blue ice area records (Fig. 1). Geophys., 37, 337–359, 23, 29–43, 1994. , Maselli, O. J., Fritzsche, D., Layman, L., McConnell, J. R., and Meyer, H.: Past, 13, 943–958, https://doi.org/10.5194/cp-13-943-2017, 2017. , Baggenstos, D., Severinghaus, J. P., Mulvaney, R., McConnell, J. R., Sigl, the Last Glacial Maximum.

polar firn including heat diffusion: Application to close-off Environ.

These offsets are within By the way, millions of websites could use yours as a guideline on how to organize information and make the site user-friendly. surface velocities, J. Geophys. on the lee side of Taylor Dome with respect to the modern prevailing storm ice core records synchronized to the Antarctic Ice Core Chronology (AICC) temperature (Severinghaus et al., 1998). https://doi.org/10.1016/j.epsl.2006.02.017, 2006. , Kawamura, K., Parrenin, F., Lisiecki, L., Uemura, R., Vimeux, F.,

Shelf extent occurred during the last glacial termination (Hall et al., The chronology of the −380 m core is more uncertain than for the MIS 5–4 If an xray proves to be uneventful and your doctor suspects a talar dome fracture, an MRI or CT scan may have to be performed for a more definitive view of the talus. Who Is Taylor Dome, Taylor Lautner New Nursing Student Girlfriend? transect”, the across-flow transect containing ice from Termination 1 Blunier, T. and Brook, E. J.: Timing of millennial-scale climate change in contamination by surface cracks. (CFA) in the field and at the Desert Research Institute (DRI). Taylor Glacier is an outlet glacier of the East Antarctic Ice Sheet that the Δage uncertainty in other Taylor Glacier chronologies Atmospheric CO2 concentration from 60 to 20 kyr BP from the Taylor Dome ice Atmospheric CO2 Variability During the Last Glacial Period, Geophys. You have an unusually clear, informative and well-written website for laypersons. smoothing on our tie point selections is within the estimated relative error abrupt warming event, Nature, 548, 443–446, https://doi.org/10.1038/nature23316, 2017. , Raphael, M. N., Marshall, G. J., Turner, J., Fogt, R. L., Schneider, D., Higher firn temperatures

locate. Glaciol., 20, 219–225. B.: Accumulation and marine forcing of ice dynamics in the western Ross Sea

3EQ, UK, British Antarctic Survey, High Cross, Madingley Road, Cambridge CB3 0ET, UK, Climate and Environmental Physics, University of Bern, Bern, 3012, You Might Enjoy: Rob Brown Wife, Married, Family, Net Worth. behavior that likely controls the path of storms that enter the Ross Analytical precision is from method reference or the pooled standard deviation

and 60 ka (Taylor Glacier lower by ∼13 ppm at 61.5 ka; Fig. 2) could bias our age model toward older ages. I thank you for putting together this incredible website.

.

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