Browsing Faculty of Science by Title

Now showing items 2048-2067 of 2590

  • A SCUBA Scanmap of the Hubble Deep Field: Measuring the bright end of the sub-mm source counts 

    Borys, Colin; Chapman, Scott; Halpern, Mark; Scott, Douglas (2002-03)
    Using the 850 micron SCUBA camera on the JCMT and a scanning technique different from other sub-mm surveys, we have obtained a 125 square arcminute map centered on the Hubble Deep Field. The one-sigma sensitivity to point ...

  • The SCUBA-2 Cosmology Legacy Survey: blank-field number counts of 450um-selected galaxies and their contribution to the cosmic infrared background 

    Geach, J. E.; Chapin, E. L.; Coppin, K. E. K.; Dunlop, J. S.; Halpern, M.; Smail, Ian; van der Werf, P.; Serjeant, S.; Farrah, D.; Roseboom, I.; Targett, T.; Arumugam, V.; Asboth, V.; Blain, A.; Chrysostomou, A.; Clarke, C.; Ivison, R. J.; Jones, S. L.; Karim, A.; Mackenzie, T.; Meijerink, R.; Michalowski, M. J.; Scott, D.; Simpson, J.; Swinbank, A. M.; Alexander, D.; Almaini, O.; Aretxaga, I.; Best, P.; Chapman, S.; Clements, D. L.; Conselice, C.; Danielson, A. L. R.; Eales, S.; Edge, A. C.; Gibb, A.; Hughes, D.; Jenness, T.; Knudsen, K. K.; Lacey, C.; Marsden, G.; McMahon, R.; Oliver, S.; Page, M. J.; Peacock, J. A.; Rigopoulou, D.; Robson, E. I.; Spaans, M.; Stevens, J.; Webb, T. M. A.; Willott, C.; Wilson, C. D.; Zemcov, M. (2012-11-28)
    The first deep blank-field 450um map (1-sigma~1.3mJy) from the SCUBA-2 Cosmology Legacy Survey (S2CLS), conducted with the James Clerk Maxwell Telescope (JCMT) is presented. Our map covers 140 arcmin^2 of the COSMOS field, ...

  • The SCUBA-2 Cosmology Legacy Survey: demographics of the 450 \mu m-population 

    Roseboom, I. G.; Dunlop, J. S.; Cirasuolo, M.; Geach, J. E.; Smail, I.; Halpern, M.; van der Werf, P.; Almaini, O.; Arumugam, V.; Asboth, V.; Auld, R.; Blain, A.; Bremer, M. N.; Bock, J.; Bowler, R.; Buitrago, F.; Chapin, E.; Chapman, S.; Chrysostomou, A.; Clarke, C.; Conley, A.; Coppin, K. E. K.; Danielson, A. L. R.; Farrah, D.; Glenn, J.; Hatziminaoglou, E.; Ibar, E.; Ivison, R. J.; Jenness, T.; van Kampen, E.; Karim, A.; Mackenzie, T.; Marsden, G.; Meijerink, R.; Michałowski, M. J.; Oliver, S. J.; Page, M. J.; Pearson, E.; Scott, Douglas; Simpson, J. M.; Smith, D. J. B.; Spaans, M.; Swinbank, A. M.; Symeonidis, M.; Targett, T.; Valiante, E.; Viero, M.; Wang, L.; Willott, C. J.; Zemcov, M. (2013-08-20)
    We investigate the multi-wavelength properties of a sample of 450-\mu m selected sources from the SCUBA-2 Cosmology Legacy Survey (S2CLS). A total of 69 sources were identified above 4\sigma\ in deep SCUBA-2 450-\mu m ...

  • The SCUBA-2 Cosmology Legacy Survey: Ultraluminous star-forming galaxies in a z=1.6 cluster 

    Smail, Ian; Geach, J. E.; Swinbank, A. M.; Tadaki, K.; Arumugam, V.; Hartley, W.; Almaini, O.; Bremer, M. N.; Chapin, E.; Chapman, S. C.; Danielson, A. L. R.; Edge, A. C.; Scott, D.; Simpson, C. J.; Simpson, J. M.; Conselice, C.; Dunlop, J. S.; Ivison, R. J.; Karim, A.; Kodama, T.; Mortlock, A.; Robson, E. I.; Roseboom, I.; Thomson, A. P.; van der Werf, P. P.; Webb, T. M. A. (2013-12-11)
    We analyse new SCUBA-2 submillimeter and archival SPIRE far-infrared imaging of a z=1.62 cluster, Cl0218.3-0510, which lies in the UKIDSS/UDS field of the SCUBA-2 Cosmology Legacy Survey. Combining these tracers of obscured ...

  • Sea level and circulation variability of the Gulf of Carpentaria; influence of the Madden-Julian Oscillation and the adjacent deep ocean 

    Oliver, E. C. J.; Thompson, K. R. (American Geophysical Union, Washington, DC, 2011)
    The Madden-Julian Oscillation (MJO) is a significant contributing factor to intraseasonal variability in both the tropical and extratropical atmosphere and ocean. Sea level and circulation variations in the Gulf of Carpentaria ...

  • A Search for Neutral Carbon towards two z=4.05 Submillimetre Galaxies, GN20 and GN20.2 

    Casey, C. M.; Chapman, S. C.; Daddi, E.; Dannerbauer, H.; Pope, A.; Scott, D.; Bertoldi, F.; Beswick, R. J.; Blain, A. W.; Cox, P.; Genzel, R.; Greve, T. R.; Ivison, R. J.; Muxlow, T. W. B.; Neri, R.; Omont, A.; Smail, I.; Tacconi, L. J. (2009-08-26)
    Using the IRAM Plateau-de-Bure Interferometer (PdBI) we have searched for the upper fine structure line of neutral carbon (CI(2->1), nu_rest = 809 GHz) and 12CO(J=7->6) (nu_rest=806GHz) towards the submillimetre galaxies ...

  • A search for the submillimetre counterparts to Lyman break galaxies 

    Chapman, Scott C.; Scott, Douglas; Steidel, Charles C.; Borys, Colin; Halpern, Mark; Morris, Simon L.; Adelberger, Kurt L.; Dickinson, Mark; Giavalisco, Mauro; Pettini, Max (2002-04-04)
    We have carried out targetted sub-mm observations as part of a programme to explore the connection between the rest-frame UV and far-IR properties of star-forming galaxies at high redshift, which is currently poorly ...

  • Search For Trapped Antihydrogen 

    Andresen, Gorm B.; Ashkezari, Mohammad D.; Baquero-Ruiz, Marcelo; Bertsche, William; Bowe, Paul D.; Bray, Crystal C.; Butler, Eoin; Cesar, Claudio L.; Chapman, Steven; Charlton, Michael; Fajans, Joel; Friesen, Tim; Fujiwara, Makoto C.; Gill, David R.; Hangst, Jeffrey S.; Hardy, Walter N.; Hayano, Ryugo S.; Hayden, Michael E.; Humphries, Andrew J.; Hydomako, Richard; Jonsell, Svante; J\orgensen, Lars V.; Kurchaninov, Lenoid; Lambo, Ricardo; Madsen, Niels; Menary, Scott; Nolan, Paul; Olchanski, Konstantin; Olin, Art; Povilus, Alexander; Pusa, Petteri; Robicheaux, Francis; Sarid, Eli; Nasr, Sarah Seif El; Silveira, Daniel M.; So, Chukman; Storey, James W.; Thompson, Robert I.; van der Werf, Dirk P.; Wilding, Dean; Wurtele, Jonathan S.; Yamazaki, Yasunori (2011-1/201)
    We present the results of an experiment to search for trapped antihydrogen atoms with the ALPHA antihydrogen trap at the CERN Antiproton Decelerator. Sensitive diagnostics of the temperatures, sizes, and densities of the ...

  • Seasonal and Age-Dependent Dietary Partitioning between the Great Black-Backed and Herring Gulls 

    Steenweg, Rolanda J.; Ronconi, Robert A.; Leonard, Marty L. (2011-11)
    Studies of seabird diets may reveal subtle ways in which sympatric species partition resources to facilitate co-existence. We studied the variability and partitioning of diets between the Herring (Larus argentatus) and ...

  • Seasonal and spatial variations in methyl chloride in NW Atlantic waters 

    MacDonald, S.; Moore, R. M. (2007-05)
    [1] Methyl chloride concentrations were measured in the upper 200 m of the water column of the NW Atlantic during three cruises along the same track in spring, summer and fall of 2003. Distinct seasonality was apparent, ...

  • Seasonal changes in buoyancy and diving behaviour of adult grey seals 

    Beck, Carrie A.; Bowen, W. Don; Iverson, Sara J. (2000-08)
    Phocid seals go through dramatic seasonal changes in body mass and composition as a result of the spatial and temporal separation of foraging, reproduction and moulting. These changes in body fat content and body mass ...

  • Seasonal cycles of O-3, CO, and convective outflow at the tropical tropopause 

    Folkins, Ian; Bernath, P.; Boone, C.; Lesins, G.; Livesey, N.; Thompson, A. M.; Walker, K.; Witte, J. C. (2006-08)
    No abstract available.

  • A seasonal study of methyl bromide concentrations in the North Atlantic (35 degrees-60 degrees N) 

    Tokarczyk, R.; Moore, RM (2006-04)
    Methyl bromide concentrations in and over the North Atlantic were examined during spring, summer, and fall 2003. The results demonstrate that seasonality plays a great role in controlling methyl bromide fluxes from and ...

  • Seasonal variability of NOx emissions over east China constrained by satellite observations: Implications for combustion and microbial sources 

    Wang, Yuxuan; McElroy, Michael B.; Martin, Randall V.; Streets, David G.; Zhang, Qiang; Fu, Tung-May (2007-03)
    No abstract available.

  • Seasonal variability of the inorganic carbon system in the Amundsen Gulf region of the southeastern Beaufort Sea 

    Shadwick, E. H.; Thomas, H.; Chierici, M.; Else, B.; Fransson, A.; Michel, C.; Miller, L. A.; Mucci, A.; Niemi, A.; Papakyriakou, T. N.; Tremblay, J. -E (2011-01)
    During a year-round occupation of Amundsen Gulf in the Canadian Arctic Archipelago dissolved inorganic and organic carbon (DIC, DOC), total alkalinity (TA), partial pressure of CO(2) (pCO(2)) and related parameters were ...

  • Sediment Consolidation and Permeability at the Central Oregon Margin, Ocean Drilling Program Sites 891 and 892 

    Gray, William G. D. (1994-03-15)
    Sediment hydraulic conductivity is a critical and highly variable control on the consolidation of accretionary prism materials. The consolidation state and pore pressure conditions within an accretionary prism ultimately ...

  • Sediment Quality Analysis and Related Management Approaches in Halifax Harbour [graduate project]. 

    Gao, Wenhui (2015-11-23)
    Halifax Harbour is one of the world’s deepest harbours (AMEC Earth & Environmental, 2011). It is sheltered, spacious, and has minimal currents and tides (Robinson, Hui, Soo, & Hellou, 2009). The ice free port leaves the ...

  • Sediment-water column fluxes of carbon, oxygen and nutrients in Bedford Basin, Nova Scotia, inferred from Ra-224 measurements 

    Burt, W. J.; Thomas, H.; Fennel, K.; Horne, E. (2013)
    Exchanges between sediment pore waters and the overlying water column play a significant role in the chemical budgets of many important chemical constituents. Direct quantification of such benthic fluxes requires explicit ...

  • The Sedimentary Environment of the Late Cretaceous St. Mary River Formation, Southwestern Alrerta 

    Denyar, C. William (1985-04-15)
    It is the purpose of this study to interpret the sedimentary environment which produced the St. Mary River Formation (SMRF) . This study attempts to expand on the preliminary sedimentological work of previous authors py ...

  • Sedimentation of the Barrow Group, Exmouth Plateau, Northwestern Australia 

    Matheson, Robert (1989-04-15)
    The Exmouth Plateau is a major promontory of the north western Australian continental shelf and ranges from longitude 111oE to 117oE throughout southern latitudes 16o to 21o. This plateau has an aerial extent of approximately ...