Search Results - "Hawkings, R"

Ice sheets matter for the global carbon cycle by Wadham, J. L., Hawkings, J. R., Tarasov, L., Gregoire, L. J., Spencer, R. G. M., Gutjahr, M., Ridgwell, A., Kohfeld, K. E.

“…The cycling of carbon on Earth exerts a fundamental influence upon the greenhouse gas content of the atmosphere, and hence global climate over millennia. Until…”
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Ice sheets as a significant source of highly reactive nanoparticulate iron to the oceans by Hawkings, Jon R., Wadham, Jemma L., Tranter, Martyn, Raiswell, Rob, Benning, Liane G., Statham, Peter J., Tedstone, Andrew, Nienow, Peter, Lee, Katherine, Telling, Jon

“…The Greenland and Antarctic Ice Sheets cover ~\n10% of global land surface, but are rarely considered as active components of the global iron cycle. The ocean…”
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Ice sheets as a missing source of silica to the polar oceans by Hawkings, Jon R., Wadham, Jemma L., Benning, Liane G., Hendry, Katharine R., Tranter, Martyn, Tedstone, Andrew, Nienow, Peter, Raiswell, Rob

“…Ice sheets play a more important role in the global silicon cycle than previously appreciated. Input of dissolved and amorphous particulate silica into natural…”
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Potentially bioavailable iron delivery by iceberg-hosted sediments and atmospheric dust to the polar oceans by Raiswell, Robert, Hawkings, Jon R, Benning, Liane G, Baker, Alex R, Death, Ros, Albani, Samuel, Mahowald, Natalie, Krom, Michael D, Poulton, Simon W, Wadham, Jemma, Tranter, Martyn

“…Iceberg-hosted sediments and atmospheric dust transport potentially bioavailable iron to the Arctic and Southern oceans as ferrihydrite. Ferrihydrite is…”
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Globally elevated chemical weathering rates beneath glaciers by Li, Xiangying, Wang, Ninglian, Ding, Yongjian, Hawkings, Jon R., Yde, Jacob C., Raiswell, Robert, Liu, Jintao, Zhang, Shiqiang, Kang, Shichang, Wang, Rongjun, Liu, Qiao, Liu, Shiyin, Bol, Roland, You, Xiaoni, Li, Guoyu

“…Physical erosion and chemical weathering rates beneath glaciers are expected to increase in a warming climate with enhanced melting but are poorly constrained…”
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Enhanced trace element mobilization by Earth’s ice sheets by Hawkings, Jon R., Skidmore, Mark L., Wadham, Jemma L., Priscu, John C., Morton, Peter L., Hatton, Jade E., Gardner, Christopher B., Kohler, Tyler J., Stibal, Marek, Bagshaw, Elizabeth A., Steigmeyer, August, Barkerk, Joel, Dore, John E., Lyons, W. Berry, Tranter, Martyn, Spencer, Robert G. M.

“…Trace elements sustain biological productivity, yet the significance of trace element mobilization and export in subglacial runoff from ice sheets is poorly…”
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The silicon cycle impacted by past ice sheets by Hawkings, Jon R., Hatton, Jade E., Hendry, Katharine R., de Souza, Gregory F., Wadham, Jemma L., Ivanovic, Ruza, Kohler, Tyler J., Stibal, Marek, Beaton, Alexander, Lamarche-Gagnon, Guillaume, Tedstone, Andrew, Hain, Mathis P., Bagshaw, Elizabeth, Pike, Jennifer, Tranter, Martyn

“…Globally averaged riverine silicon (Si) concentrations and isotope composition (δ 30 Si) may be affected by the expansion and retreat of large ice sheets…”
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Patterns in Microbial Assemblages Exported From the Meltwater of Arctic and Sub-Arctic Glaciers by Kohler, Tyler J, Vinšová, Petra, Falteisek, Lukáš, Žárský, Jakub D, Yde, Jacob C, Hatton, Jade E, Hawkings, Jon R, Lamarche-Gagnon, Guillaume, Hood, Eran, Cameron, Karen A, Stibal, Marek

“…Meltwater streams connect the glacial cryosphere with downstream ecosystems. Dissolved and particulate matter exported from glacial ecosystems originates from…”
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Catchment characteristics and seasonality control the composition of microbial assemblages exported from three outlet glaciers of the Greenland Ice Sheet by Vrbická, Kristýna, Kohler, Tyler J, Falteisek, Lukáš, Hawkings, Jon R, Vinšová, Petra, Bulínová, Marie, Lamarche-Gagnon, Guillaume, Hofer, Stefan, Kellerman, Anne M, Holt, Amy D, Cameron, Karen A, Schön, Martina, Wadham, Jemma L, Stibal, Marek

“…Glacial meltwater drains into proglacial rivers where it interacts with the surrounding landscape, collecting microbial cells as it travels downstream…”
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Publisher Correction: Ice sheets matter for the global carbon cycle by Wadham, J. L., Hawkings, J. R., Tarasov, L., Gregoire, L. J., Spencer, R. G. M., Gutjahr, M., Ridgwell, A., Kohfeld, K. E.

“…An amendment to this paper has been published and can be accessed via a link at the top of the paper…”
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Glacier Outflow Dissolved Organic Matter as a Window Into Seasonally Changing Carbon Sources: Leverett Glacier, Greenland by Kellerman, A. M., Hawkings, J. R., Wadham, J. L., Kohler, T. J., Stibal, M., Grater, E., Marshall, M., Hatton, J. E., Beaton, A., Spencer, R.  G. M.

“…The Greenland Ice Sheet is losing mass at a remarkable rate as a result of climatic warming. This mass loss coincides with the export of dissolved organic…”
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Constraints on the Timing and Extent of Deglacial Grounding Line Retreat in West Antarctica by Venturelli, Ryan A., Boehman, Brenna, Davis, Christina, Hawkings, Jon R., Johnston, Sarah E., Gustafson, Chloe D., Michaud, Alexander B., Mosbeux, Cyrille, Siegfried, Matthew R., Vick‐Majors, Trista J., Galy, Valier, Spencer, Robert G. M., Warny, Sophie, Christner, Brent C., Fricker, Helen A., Harwood, David M., Leventer, Amy, Priscu, John C., Rosenheim, Brad E.

“…Projections of Antarctica's contribution to future sea level rise are associated with significant uncertainty, in part because the observational record is too…”
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Seasonal Changes in Dissolved Organic Matter Composition in a Patagonian Fjord Affected by Glacier Melt Inputs by Marshall, Matthew G., Kellerman, Anne M., Wadham, Jemma L., Hawkings, Jon R., Daneri, Giovanni, Torres, Rodrigo, Pryer, Helena V., Beaton, Alexander, Ng, Hong Chin, Urra, Alejandra, Robinson, Laura F., Spencer, Robert G. M.

“…Biogeochemical processes in fjords are likely affected by changes in surrounding glacier cover but very little is known about how meltwater directly influences…”
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The ATLAS inner detector and flavour tagging performance by Hawkings, R.

“…AbstractThe design of the ATLAS inner detector is described, paying particular attention to recent design changes and their impact on performance. The status…”
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Anthropogenic landcover impacts fluvial dissolved organic matter composition in the Upper Mississippi River Basin by Vaughn, Derrick R., Kellerman, Anne M., Wickland, Kimberly P., Striegl, Robert G., Podgorski, David C., Hawkings, Jon R., Nienhuis, Jaap H., Dornblaser, Mark M., Stets, Edward G., Spencer, Robert G. M.

“…Landcover changes have altered the natural carbon cycle; however, most landcover studies focus on either forest conversion to agriculture or urban, rarely…”
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Trickle and Treat? The Critical Role of Marine‐Terminating Glaciers as Icy Macronutrient Pumps in Polar Regions by Hawkings, Jon R.

“…Nutrient supply to the coastal euphotic zone is critical in sustaining the productivity of ecosystems and provides an important feedback on the carbon cycle…”
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Weathering Dynamics Under Contrasting Greenland Ice Sheet Catchments by Urra, Alejandra, Wadham, Jemma, Hawkings, Jon R., Telling, Jon, Hatton, Jade E., Yde, Jacob C., Hasholt, Bent, van As, Dirk, Bhatia, Maya P., Nienow, Peter

“…Chemical weathering dynamics in Greenland Ice Sheet (GrIS) catchments are largely unknown, due to a scarcity of field data. This paper presents the most…”
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Greenland melt drives continuous export of methane from the ice-sheet bed by Lamarche-Gagnon, Guillaume, Wadham, Jemma L., Sherwood Lollar, Barbara, Arndt, Sandra, Fietzek, Peer, Beaton, Alexander D., Tedstone, Andrew J., Telling, Jon, Bagshaw, Elizabeth A., Hawkings, Jon R., Kohler, Tyler J., Zarsky, Jakub D., Mowlem, Matthew C., Anesio, Alexandre M., Stibal, Marek

“…Ice sheets are currently ignored in global methane budgets 1 , 2 . Although ice sheets have been proposed to contain large reserves of methane that may…”
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Bioavailability of dissolved organic matter varies with anthropogenic landcover in the Upper Mississippi River Basin by Vaughn, Derrick R., Kellerman, Anne M., Wickland, Kimberly P., Striegl, Robert G., Podgorski, David C., Hawkings, Jon R., Nienhuis, Jaap H., Dornblaser, Mark M., Stets, Edward G., Spencer, Robert G.M.

“…•Examined landcover impacts on stream dissolved organic matter (DOM) bioavailability.•Streams draining urban lands contained more bioavailable DOM than…”
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Cryo-EM structure of the four-subunit Rhodobacter sphaeroides cytochrome bc1 complex in styrene maleic acid nanodiscs by K Swainsbury, David J, Hawkings, Frederick R, Martin, Elizabeth C, Musiał, Sabina, Salisbury, Jack H, Jackson, Philip J, Farmer, David A, Johnson, Matthew P, Siebert, C Alistair, Hitchcock, Andrew, Hunter, C Neil

“…Cytochrome bc1 complexes are ubiquinol:cytochrome c oxidoreductases, and as such, they are centrally important components of respiratory and photosynthetic…”
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