Recent Submissions

  • Oceanic detachment faults generate compression in extension 

    Parnell-Turner, Ross; Sohn, Robert A.; Peirce, Christine; Reston, Tim J.; MacLeod, Christopher J.; Searle, Roger C.; Simão, Nuno Mendes (Geological Society of America, 2017-08)
    In extensional geologic systems such as mid-ocean ridges, deformation is typically accommodated by slip on normal faults, where material is pulled apart under tension and stress is released by rupture during earthquakes ...
  • Depth-varying seismogenesis on an oceanic detachment fault at 13°20'N on the Mid-Atlantic Ridge 

    Craig, Timothy J.; Parnell-Turner, Ross (2017-08-31)
    Extension at slow- and intermediate-spreading mid-ocean ridges is commonly accommodated through slip on long-lived faults called oceanic detachments. These curved, convex-upward faults consist of a steeply-dipping section ...
  • Hydrologic controls on seasonal and inter-annual variability of Congo River particulate organic matter source and reservoir age 

    Hemingway, Jordon D.; Schefuß, Enno; Spencer, Robert G. M.; Dinga, Bienvenu J.; Eglinton, Timothy I.; McIntyre, Cameron P.; Galy, Valier (2017-06)
    We present dissolved organic carbon (DOC) concentrations, particulate organic matter (POM) composition (δ13C, δ15N, ∆14C, N/C), and particulate glycerol dialkyl glycerol tetraether (GDGT) distributions from a 34-month ...
  • Age of air and the circulation of the stratosphere 

    Linz, Marianna (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2017-09)
    The circulation of air in the stratosphere is important for the distribution of radiatively important trace gases, such as ozone and water vapor, and other chemical species, including ozone-depleting chlorofluorocarbons. ...
  • Improved detection of the first-order region for direction-finding HF radars using image processing techniques 

    Kirincich, Anthony R. (American Meteorological Society, 2017-08-11)
    For direction-finding high-frequency (HF) radar systems, the correct separation of backscattered spectral energy due to Bragg resonant waves from that due to more complex double-scattering represents a critical first step ...
  • Holocene black carbon in Antarctica paralleled Southern Hemisphere climate 

    Arienzo, Monica; McConnell, Joseph R.; Murphy, Lisa N.; Chellman, Nathan; Das, Sarah B.; Kipfstuhl, Sepp; Mulvaney, Robert (John Wiley & Sons, 2017-07-01)
    Black carbon (BC) and other biomass-burning (BB) aerosols are critical components of climate forcing, but quantification, predictive climate modeling, and policy decisions have been hampered by limited understanding of the ...
  • Significance of beach geomorphology on fecal indicator bacteria levels 

    Donahue, Allison; Feng, Zhixuan; Kelly, Elizabeth; Reniers, Ad; Solo-Gabriele, Helena M. (2017-04-28)
    Large databases of fecal indicator bacteria (FIB) measurements are available for coastal waters. With the assistance of satellite imagery, we illustrated the power of assessing data for many sites by evaluating beach ...
  • Improving LADCP velocity with external heading, pitch, and roll 

    Thurnherr, Andreas M.; Goszczko, Ilona; Bahr, Frank B. (American Meteorological Society, 2017-08-11)
    Data collected with acoustic Doppler current profilers installed on CTD rosettes and lowered through the water column [lowered ADCP (LADCP) systems] are routinely used to derive full-depth profiles of ocean velocity. In ...
  • African baobabs with a very large number of stems and false stems : radiocarbon Investigation of the baobab of Warang 

    Patrut, Adrian; Garnaud, Sébastien; Ka, Oumar; Patrut, Roxana T.; Diagne, Tomas; Lowy, Daniel A.; Forizs, Edit; Bodis, Jeno; von Reden, Karl F. (Studia Chemia, 2017-03)
    The article presents the AMS (accelerator mass spectrometry) radiocarbon dating results of the baobab of Warang, Senegal. The investigation of the baobab revealed that it consists of 18 partially fused stems, which represents ...
  • Validation of the remotely sensed nighttime sea surface temperature in the shallow waters at the Dongsha Atoll 

    Pan, Xiaoju; Wong, George T. F.; DeCarlo, Thomas M.; Tai, Jen-Hua; Cohen, Anne L. (Terrestrial, Atmospheric and Oceanic Sciences, 2017-06)
    Fine scale temperature structures, which are commonly found in the top few meters of shallow water columns, may result in deviations of the remotely sensed night-time sea surface temperatures (SST) by the MODIS-Aqua sensor ...
  • Subtidal current structure and variability of the continental shelf and slope of the northern South China Sea 

    Tai, Jen-Hua; Yang, Kai-Chieh; Gawarkiewicz, Glen G. (Terrestrial, Atmospheric and Oceanic Sciences, 2017-06)
    The spatial structures and temporal variations in subtidal currents in the northern South China Sea (SCS) are quantified in this study using 20-day to 9-month measurements from eight acoustic Doppler current profiler ...
  • Climate oscillations reflected within the microbiome of Arabian Sea sediments 

    Orsi, William D.; Coolen, Marco J. L.; Wuchter, Cornelia; He, Lijun; More, Kuldeep D.; Irigoien, Xabier; Chust, Guillem; Johnson, Carl G.; Hemingway, Jordon D.; Lee, Mitchell; Galy, Valier; Giosan, Liviu (Nature Publishing Group, 2017-07-20)
    Selection of microorganisms in marine sediment is shaped by energy-yielding electron acceptors for respiration that are depleted in vertical succession. However, some taxa have been reported to reflect past depositional ...
  • The iron isotopic composition of subglacial streams draining the Greenland Ice Sheet 

    Stevenson, Emily I.; Fantle, Matthew S.; Das, Sarah B.; Williams, Helen M.; Aciego, Sarah M. (2017-06)
    In this study, we present the first measurements of iron (Fe) stable isotopic composition (δ56Fe) of subglacial streams draining the Greenland Ice Sheet (GIS). We measure the δ56Fe values [(δ56Fe, ‰ = (56Fe/54Fe)sample/( ...
  • The seeding of ice algal blooms in Arctic pack ice : the multiyear ice seed repository hypothesis 

    Olsen, Lasse M.; Laney, Samuel R.; Duarte, Pedro; Kauko, Hanna Maria; Fernández-Méndez, Mar; Mundy, Christopher J.; Rösel, Anja; Meyer, Amelie; Itkin, Polona; Cohen, Lana; Peeken, Ilka; Tatarek, Agnieszka; Róźańska-Pluta, Magdalena; Wiktor, Jozef; Taskjelle, Torbjørn; Pavlov, Alexey K.; Hudson, Stephen R.; Granskog, Mats A.; Hop, Haakon; Assmy, Philipp (John Wiley & Sons, 2017-07-03)
    During the Norwegian young sea ICE expedition (N-ICE2015) from January to June 2015 the pack ice in the Arctic Ocean north of Svalbard was studied during four drifts between 83° and 80°N. This pack ice consisted of a mix ...
  • Biogeographic responses of the copepod Calanus glacialis to a changing Arctic marine environment 

    Feng, Zhixuan; Ji, Rubao; Ashjian, Carin J.; Campbell, Robert G.; Zhang, Jinlun (2017-08-24)
    Dramatic changes have occurred in the Arctic Ocean over the past few decades, especially in terms of sea ice loss and ocean warming. Those environmental changes may modify the planktonic ecosystem with changes from lower ...
  • Tracing the Vedic Saraswati River in the Great Rann of Kachchh 

    Khonde, Nitesh; Singh, Sunil Kumar; Maurya, D. M.; Rai, Vinai K.; Chamyal, L. S.; Giosan, Liviu (Nature Publishing Group, 2017-07-14)
    The lost Saraswati River mentioned in the ancient Indian tradition is postulated to have flown independently of the Indus River into the Arabian Sea, perhaps along courses of now defunct rivers such as Ghaggar, Hakra and ...
  • Epibionts dominate metabolic functional potential of Trichodesmium colonies from the oligotrophic ocean 

    Frischkorn, Kyle R.; Rouco, Monica; Van Mooy, Benjamin A. S.; Dyhrman, Sonya T. (Nature Publishing Group, 2017-05-23)
    Trichodesmium is a genus of marine diazotrophic colonial cyanobacteria that exerts a profound influence on global biogeochemistry, by injecting ‘new’ nitrogen into the low nutrient systems where it occurs. Colonies of ...
  • Should we mine the deep seafloor? 

    Beaulieu, Stace E.; Graedel, Thomas E; Hannington, Mark D. (John Wiley & Sons, 2017-07-13)
    As land-based mineral resources become increasingly difficult and expensive to acquire, the potential for mining resources from the deep seafloor has become widely discussed and debated. Exploration leases are being granted, ...
  • Thallium-isotopic compositions of euxinic sediments as a proxy for global manganese-oxide burial 

    Owens, Jeremy D.; Nielsen, Sune G.; Horner, Tristan J.; Ostrander, Chadlin; Peterson, Larry C. (2017-06)
    Thallium (Tl) isotopes are a new and potentially powerful paleoredox proxy that may track bottom water oxygen conditions based on the global burial flux of manganese oxides. Thallium has a residence time of ~20 thousand ...
  • Impact of poleward moisture transport from the North Pacific on the acceleration of sea ice loss in the Arctic since 2002 

    Lee, Ho Jin; Kwon, M. O.; Yeh, Sang-Wook; Kwon, Young-Oh; Park, Wonsun; Park, Jae Hun; Kim, Young Ho; Alexander, Michael A. (American Meteorological Society, 2017-07-26)
    Arctic sea ice area (SIA) during late summer and early fall decreased substantially over the last four decades, and its decline accelerated beginning in the early 2000s. Statistical analyses of observations show that ...

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