Search Results - "Julienne, C"

Seasonal and Regional Manifestation of Arctic Sea Ice Loss by Onarheim, Ingrid H., Eldevik, Tor, Smedsrud, Lars H., Stroeve, Julienne C.

“…The Arctic Ocean is currently on a fast track toward seasonally ice-free conditions. Although most attention has been on the accelerating summer sea ice…”
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Recent changes in Arctic sea ice melt onset, freezeup, and melt season length by Markus, Thorsten, Stroeve, Julienne C., Miller, Jeffrey

“…In order to explore changes and trends in the timing of Arctic sea ice melt onset and freezeup, and therefore melt season length, we developed a method that…”
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Trends in Arctic sea ice extent from CMIP5, CMIP3 and observations by Stroeve, Julienne C., Kattsov, Vladimir, Barrett, Andrew, Serreze, Mark, Pavlova, Tatiana, Holland, Marika, Meier, Walter N.

“…The rapid retreat and thinning of the Arctic sea ice cover over the past several decades is one of the most striking manifestations of global climate change…”
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Branching Out: Alterations in Bacterial Physiology and Virulence Due to Branched-Chain Amino Acid Deprivation by Kaiser, Julienne C, Heinrichs, David E

“…The branched-chain amino acids (BCAAs [Ile, Leu, and Val]) represent important nutrients in bacterial physiology, with roles that range from supporting protein…”
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The Arctic’s rapidly shrinking sea ice cover: a research synthesis by Stroeve, Julienne C., Serreze, Mark C., Holland, Marika M., Kay, Jennifer E., Malanik, James, Barrett, Andrew P.

“…The sequence of extreme September sea ice extent minima over the past decade suggests acceleration in the response of the Arctic sea ice cover to external…”
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Melt onset over Arctic sea ice controlled by atmospheric moisture transport by Mortin, Jonas, Svensson, Gunilla, Graversen, Rune G., Kapsch, Marie‐Luise, Stroeve, Julienne C., Boisvert, Linette N.

“…The timing of melt onset affects the surface energy uptake throughout the melt season. Yet the processes triggering melt and causing its large interannual…”
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Using timing of ice retreat to predict timing of fall freeze‐up in the Arctic by Stroeve, Julienne C., Crawford, Alex D., Stammerjohn, Sharon

“…Reliable forecasts of the timing of sea ice advance are needed in order to reduce risks associated with operating in the Arctic as well as planning of human…”
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Summer Extreme Cyclone Impacts on Arctic Sea Ice by Lukovich, Jennifer V., Stroeve, Julienne C., Crawford, Alex, Hamilton, Lawrence, Tsamados, Michel, Heorton, Harry, Massonnet, François

“…In this study the impact of extreme cyclones on Arctic sea ice in summer is investigated. Examined in particular are relative thermodynamic and dynamic…”
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Fram Strait sea ice export variability and September Arctic sea ice extent over the last 80 years by Smedsrud, Lars H, Halvorsen, Mari H, Stroeve, Julienne C, Zhang, Rong, Kloster, Kjell

“…A new long-term data record of Fram Strait sea ice area export from 1935 to 2014 is developed using a combination of satellite radar images and station…”
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Sea ice response to an extreme negative phase of the Arctic Oscillation during winter 2009/2010 by Stroeve, Julienne C., Maslanik, James, Serreze, Mark C., Rigor, Ignatius, Meier, Walter, Fowler, Charles

“…Based on relationships established in previous studies, the extreme negative phase of the Arctic Oscillation (AO) that characterized winter of 2009/2010 should…”
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A year-round satellite sea-ice thickness record from CryoSat-2 by Landy, Jack C., Dawson, Geoffrey J., Tsamados, Michel, Bushuk, Mitchell, Stroeve, Julienne C., Howell, Stephen E. L., Krumpen, Thomas, Babb, David G., Komarov, Alexander S., Heorton, Harry D. B. S., Belter, H. Jakob, Aksenov, Yevgeny

“…Arctic sea ice is diminishing with climate warming 1 at a rate unmatched for at least 1,000 years 2 . As the receding ice pack raises commercial interest in…”
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Stress-induced inactivation of the Staphylococcus aureus purine biosynthesis repressor leads to hypervirulence by Goncheva, Mariya I., Flannagan, Ronald S., Sterling, Brigid E., Laakso, Holly A., Friedrich, Nancy C., Kaiser, Julienne C., Watson, David W., Wilson, Christy H., Sheldon, Jessica R., McGavin, Martin J., Kiser, Patti K., Heinrichs, David E.

“…Staphylococcus aureus is a significant cause of human infection. Here, we demonstrate that mutations in the transcriptional repressor of purine biosynthesis,…”
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The polar regions in a 2°C warmer world by Post, Eric, Alley, Richard B, Christensen, Torben R, Macias-Fauria, Marc, Forbes, Bruce C, Gooseff, Michael N, Iler, Amy, Kerby, Jeffrey T, Laidre, Kristin L, Mann, Michael E, Olofsson, Johan, Stroeve, Julienne C, Ulmer, Fran, Virginia, Ross A, Wang, Muyin

“…Over the past decade, the Arctic has warmed by 0.75°C, far outpacing the global average, while Antarctic temperatures have remained comparatively stable. As…”
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Future Arctic climate changes: Adaptation and mitigation time scales by Overland, James E., Wang, Muyin, Walsh, John E., Stroeve, Julienne C.

“…The climate in the Arctic is changing faster than in midlatitudes. This is shown by increased temperatures, loss of summer sea ice, earlier snow melt, impacts…”
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Estimating snow depth over Arctic sea ice from calibrated dual-frequency radar freeboards by Lawrence, Isobel R, Tsamados, Michel C, Stroeve, Julienne C, Armitage, Thomas W. K, Ridout, Andy L

“…Snow depth on sea ice remains one of the largest uncertainties in sea ice thickness retrievals from satellite altimetry. Here we outline an approach for…”
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Sea ice, rain-on-snow and tundra reindeer nomadism in Arctic Russia by Forbes, Bruce C., Kumpula, Timo, Meschtyb, Nina, Laptander, Roza, Macias-Fauria, Marc, Zetterberg, Pentti, Verdonen, Mariana, Skarin, Anna, Kim, Kwang-Yul, Boisvert, Linette N., Stroeve, Julienne C., Bartsch, Annett

“…Sea ice loss is accelerating in the Barents and Kara Seas (BKS). Assessing potential linkages between sea ice retreat/thinning and the region's ancient and…”
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Retrieval of Snow Depth on Arctic Sea Ice From Surface‐Based, Polarimetric, Dual‐Frequency Radar Altimetry by Willatt, Rosemary, Stroeve, Julienne C., Nandan, Vishnu, Newman, Thomas, Mallett, Robbie, Hendricks, Stefan, Ricker, Robert, Mead, James, Itkin, Polona, Tonboe, Rasmus, Wagner, David N., Spreen, Gunnar, Liston, Glen, Schneebeli, Martin, Krampe, Daniela, Tsamados, Michel, Demir, Oguz, Wilkinson, Jeremy, Jaggi, Matthias, Zhou, Lu, Huntemann, Marcus, Raphael, Ian A., Jutila, Arttu, Oggier, Marc

“…Snow depth on sea ice is an Essential Climate Variable and a major source of uncertainty in satellite altimetry‐derived sea ice thickness. During winter of the…”
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Repression of branched-chain amino acid synthesis in Staphylococcus aureus is mediated by isoleucine via CodY, and by a leucine-rich attenuator peptide by Kaiser, Julienne C, King, Alyssa N, Grigg, Jason C, Sheldon, Jessica R, Edgell, David R, Murphy, Michael E P, Brinsmade, Shaun R, Heinrichs, David E

“…Staphylococcus aureus requires branched-chain amino acids (BCAAs; isoleucine, leucine, valine) for protein synthesis, branched-chain fatty acid synthesis, and…”
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Relating the Age of Arctic Sea Ice to its Thickness, as Measured during NASA’s ICESat and IceBridge Campaigns by Tschudi, Mark A, Stroeve, Julienne C, Stewart, J Scott

“…Recent satellite observations yield estimates of the distribution of sea ice thickness across the entire Arctic Ocean. While these sensors were only placed in…”
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Sea Ice Roughness Overlooked as a Key Source of Uncertainty in CryoSat‐2 Ice Freeboard Retrievals by Landy, Jack C., Petty, Alek A., Tsamados, Michel, Stroeve, Julienne C.

“…ESA's CryoSat‐2 has transformed the way we monitor Arctic sea ice, providing routine measurements of the ice thickness with near basin‐wide coverage. Past…”
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