Now showing items 21-40 of 1844

    • Inorganic carbon and pCO(2) variability during ice formation in the Beaufort Gyre of the Canada Basin. 

      DeGrandpre, Michael D.; Lai, Chun-Ze; Timmermans, Mary-Louise; Krishfield, Richard A.; Proshutinsky, Andrey; Torres, Daniel J. (American Geophysical Union, 2019-05-07)
      Solute exclusion during sea ice formation is a potentially important contributor to the Arctic Ocean inorganic carbon cycle that could increase as ice cover diminishes. When ice forms, solutes are excluded from the ice ...
    • Air-sea fluxes with a focus on heat and momentum 

      Cronin, Meghan F.; Gentemann, Chelle L.; Edson, James B.; Ueki, Iwao; Bourassa, Mark A.; Brown, Shannon; Clayson, Carol A.; Fairall, Christopher W.; Farrar, J. Thomas; Gille, Sarah T.; Gulev, Sergey; Josey, Simon A.; Kato, Seiji; Katsumata, Masaki; Kent, Elizabeth; Krug, Marjolaine; Minnett, Peter J.; Parfitt, Rhys; Pinker, Rachel T.; Stackhouse, Paul W., Jr.; Swart, Sebastiaan; Tomita, Hiroyuki; Vandemark, Douglas; Weller, Robert A.; Yoneyama, Kunio; Yu, Lisan; Zhang, Dongxiao (Frontiers Media, 2019-07-31)
      Turbulent and radiative exchanges of heat between the ocean and atmosphere (hereafter heat fluxes), ocean surface wind stress, and state variables used to estimate them, are Essential Ocean Variables (EOVs) and Essential ...
    • Investigating subsurface pathways of Fukushima cesium in the Northwest Pacific 

      Cedarholm, Ella R.; Rypina, Irina I.; Macdonald, Alison M.; Yoshida, Sachiko (American Geophysical Union, 2019-06-18)
      Advective pathways for Fukushima Daiichi Nuclear Power Plant (FDNPP)‐derived cesium observed in 2013 at 166°E south of the Kuroshio Extension (KE) at >500 m on the 26.5σθ isopycnal are investigated. Attention is paid to ...
    • Equatorial ocean dynamics impacting upwelling west of the Galápagos Archipelago 

      Jakoboski, Julie K. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2019-09)
      The Galápagos Cold Pool (GCP) is a region of anomalously cold sea surface temperature (SST) just west of the Galápagos Archipelago. Modeling studies have shown that the GCP is maintained by wind- and current-driven upwelling. ...
    • The scientific and societal uses of global measurements of subsurface velocity 

      Szuts, Zoltan B.; Bower, Amy S.; Donohue, Kathleen A.; Girton, James B.; Hummon, Julia M.; Katsumata, Katsuro; Lumpkin, Rick; Ortner, Peter B.; Phillips, Helen E.; Rossby, H. Thomas; Shay, Lynn Keith; Sun, Charles; Todd, Robert E. (Frontiers Media, 2019-07-24)
      Ocean velocity defines ocean circulation, yet the available observations of subsurface velocity are under-utilized by society. The first step to address these concerns is to improve visibility of and access to existing ...
    • The winds and currents mission concept 

      Rodríguez, Ernesto; Bourassa, Mark A.; Chelton, Dudley B.; Farrar, J. Thomas; Long, David; Perkovic-Martin, Dragana; Samelson, Roger M. (Frontiers Media, 2019-07-24)
      The Winds and Currents Mission (WaCM) is a proposed approach to meet the need identified by the NRC Decadal Survey for the simultaneous measurements of ocean vector winds and currents. WaCM features a Ka-band pencil-beam ...
    • Towards comprehensive observing and modeling systems for monitoring and predicting regional to coastal sea level 

      Ponte, Rui M.; Carson, Mark; Cirano, Mauro; Domingues, Catia M.; Jevrejeva, Svetlana; Marcos, Marta; Mitchum, Gary; van de Wal, Roderik S.W.; Woodworth, Philip L.; Ablain, Michaël; Ardhuin, Fabrice; Ballu, Valerie; Becker, Mélanie; Benveniste, Jérôme; Birol, Florence; Bradshaw, Elizabeth; Cazenave, Anny; De Mey-Frémaux, Pierre; Durand, Fabien; Ezer, Tal; Fu, Lee-Lueng; Fukumori, Ichiro; Gordon, Kathy; Gravelle, Médéric; Griffies, Stephen M.; Han, Weiqing; Hibbert, Angela; Hughes, Chris W.; Idier, Deborah; Kourafalou, Villy H.; Little, Christopher M.; Matthews, Andrew; Melet, Angelique; Merrifield, Mark; Meyssignac, Benoit; Minobe, Shoshiro; Penduff, Thierry; Picot, Nicolas; Piecuch, Christopher G.; Ray, Richard D.; Rickards, Lesley; Santamaría-Gómez, Alvaro; Stammer, Detlef; Staneva, Joanna; Testut, Laurent; Thompson, Keith; Thompson, Philip; Vignudelli, Stefano; Williams, Joanne; Williams, Simon D. P.; Wöppelmann, Guy; Zanna, Laure; Zhang, Xuebin (Frontiers Media, 2019-07-25)
      A major challenge for managing impacts and implementing effective mitigation measures and adaptation strategies for coastal zones affected by future sea level (SL) rise is our limited capacity to predict SL change at the ...
    • Rapid intensification of Typhoon Hato (2017) over shallow water 

      Pun, Iam-Fei; Chan, Johnny C. L.; Lin, I.-I.; Chan, Kelvin T. F.; Price, James F.; Ko, Dong S.; Lien, Chun-Chi; Wu, Yu-Lun; Huang, Hsiao-Ching (MDPI, 2019-07-06)
      On 23 August, 2017, Typhoon Hato rapidly intensified by 10 kt within 3 h just prior to landfall in the city of Macau along the South China coast. Hato’s surface winds in excess of 50 m s−1 devastated the city, causing ...
    • Mechanics and historical evolution of sea level blowouts in New York harbor 

      Gurumurthy, Praneeth; Orton, Philip M.; Talke, Stefan; Georgas, Nickitas; Booth, James F. (MDPI, 2019-05-23)
      Wind-induced sea level blowouts, measured as negative storm surge or extreme low water (ELW), produce public safety hazards and impose economic costs (e.g., to shipping). In this paper, we use a regional hydrodynamic ...
    • More than 50 years of successful continuous temperature section measurements by the global expendable bathythermograph network, its integrability, societal benefits, and future 

      Goni, Gustavo J.; Sprintall, Janet; Bringas, Francis; Cheng, Lijing; Cirano, Mauro; Dong, Shenfu; Domingues, Ricardo; Goes, Marlos Pereira; Lopez, Hosmay; Morrow, Rosemary; Rivero, Ulises; Rossby, H. Thomas; Todd, Robert E.; Trinanes, Joaquin; Zilberman, Nathalie; Baringer, Molly O.; Boyer, Tim; Cowley, Rebecca; Domingues, Catia M.; Hutchinson, Katherine; Kramp, Martin; Mata, Mauricio M.; Reseghetti, Franco; Sun, Charles; Udaya Bhaskar, T. V. S.; Volkov, Denis L. (Frontiers Media, 2019-07-24)
      The first eXpendable BathyThermographs (XBTs) were deployed in the 1960s in the North Atlantic Ocean. In 1967 XBTs were deployed in operational mode to provide a continuous record of temperature profile data along repeated ...
    • Integrated observations of global surface winds, currents, and waves: Requirements and challenges for the next decade 

      Villas Bôas, Ana B.; Ardhuin, Fabrice; Ayet, Alex; Bourassa, Mark A.; Brandt, Peter; Chapron, Bertrand; Cornuelle, Bruce D.; Farrar, J. Thomas; Fewings, Melanie R.; Fox-Kemper, Baylor; Gille, Sarah T.; Gommenginger, Christine; Heimbach, Patrick; Hell, Momme C.; Li, Qing; Mazloff, Matthew R.; Merrifield, Sophia T.; Mouche, Alexis; Rio, Marie H.; Rodriguez, Ernesto; Shutler, Jamie D.; Subramanian, Aneesh C.; Terrill, Eric; Tsamados, Michel; Ubelmann, Clement; van Sebille, Erik (Frontiers Media, 2019-07-24)
      Ocean surface winds, currents, and waves play a crucial role in exchanges of momentum, energy, heat, freshwater, gases, and other tracers between the ocean, atmosphere, and ice. Despite surface waves being strongly coupled ...
    • Observations of diurnal coastal-trapped waves with a thermocline-intensified velocity field 

      Schlosser, Tamara L.; Jones, Nicole L.; Musgrave, Ruth C.; Bluteau, Cynthia E.; Ivey, Gregory N.; Lucas, Andrew J. (American Meteorological Society, 2019-07-16)
      Using 18 days of field observations, we investigate the diurnal (D1) frequency wave dynamics on the Tasmanian eastern continental shelf. At this latitude, the D1 frequency is subinertial and separable from the highly ...
    • Atlantic circulation and ice sheet influences on upper South Atlantic temperatures during the last deglaciation 

      Umling, Natalie E.; Oppo, Delia W.; Chen, P.; Yu, Jimin; Liu, Zhengyu; Yan, Mi; Gebbie, Geoffrey A.; Lund, David C.; Pietro, Kathryn R.; Jin, Z. D.; Huang, Kuo-Fang; Costa, Karen; Toledo, Felipe Antonio de Lima (American Geophysical Union, 2019-05-28)
      Atlantic Meridional Overturning Circulation (AMOC) disruption during the last deglaciation is hypothesized to have caused large subsurface ocean temperature anomalies, but records from key regions are not available to test ...
    • Ocean time series observations of changing marine ecosystems: An era of integration, synthesis, and societal applications 

      Benway, Heather M.; Lorenzoni, Laura; White, Angelicque E.; Fiedler, Björn; Levine, Naomi M.; Nicholson, David P.; DeGrandpre, Michael D.; Sosik, Heidi M.; Church, Matthew J.; O'Brien, Todd D.; Leinen, Margaret S.; Weller, Robert A.; Karl, David M.; Henson, Stephanie A.; Letelier, Ricardo M. (Frontiers Media, 2019-07-12)
      Sustained ocean time series are critical for characterizing marine ecosystem shifts in a time of accelerating, and at times unpredictable, changes. They represent the only means to distinguish between natural and anthropogenic ...
    • Gulf Stream ring water intrusion on the Mid-Atlantic Bight continental shelf break affects microbially driven carbon cycling 

      Hoarfrost, Adrienne; Balmonte, John Paul; Ghobrial, Sherif; Ziervogel, Kai; Bane, John M.; Gawarkiewicz, Glen G.; Arnosti, Carol (Frontiers Media, 2019-07-11)
      Warm core, anticyclonic rings that spin off from the Gulf Stream circulate through the region directly offshore of the Mid-Atlantic Bight. If a warm core ring reaches the continental shelf break, its warm, highly saline ...
    • Surface heat budget in the Southern Ocean from 42 degrees S to the Antarctic marginal ice zone: Four atmospheric reanalyses versus icebreaker Aurora Australis measurements 

      Yu, Lisan; Jin, Xiangze; Schulz, Eric W. (Norsk Polarinstitutt, 2019-06-26)
      Surface heat fluxes from four atmospheric reanalyses in the Southern Ocean are evaluated using air–sea measurements obtained from the Aurora Australis during off-winter seasons in 2010–12. The icebreaker tracked between ...
    • Frontogenesis and variability in Denmark Strait and its influence on overflow water 

      Spall, Michael A.; Pickart, Robert S.; Lin, Peigen; von Appen, Wilken-Jon; Mastropole, Dana M.; Valdimarsson, Héðinn; Haine, Thomas W. N.; Almansi, Mattia (American Meteorological Society, 2019-07-01)
      A high-resolution numerical model, together with in situ and satellite observations, is used to explore the nature and dynamics of the dominant high-frequency (from one day to one week) variability in Denmark Strait. Mooring ...
    • Shelf-basin interactions and water mass residence times in the western Arctic Ocean: Insights provided by radium isotopes 

      Kipp, Lauren; Kadko, David C.; Pickart, Robert S.; Henderson, Paul B.; Moore, Willard S.; Charette, Matthew A. (American Geophysical Union, 2019-04-26)
      Radium isotopes are produced through the decay of thorium in sediments and are soluble in seawater; thus, they are useful for tracing ocean boundary‐derived inputs to the ocean. Here we apply radium isotopes to study ...
    • A sustained ocean observing system in the Indian Ocean for climate related scientific knowledge and societal needs 

      Hermes, Juliet; Masumoto, Yukio; Beal, Lisa M.; Roxy, Mathew Koll; Vialard, Jérôme; Andres, Magdalena; Annamalai, H.; Behera, Swadhin; D’Adamo, Nick; Doi, Takeshi; Feng, Ming; Han, Weiqing; Hardman-Mountford, Nick; Hendon, Harry; Hood, Raleigh R.; Kido, Shoichiro; Lee, Craig M.; Lee, Tong; Lengaigne, Matthieu; Li, Jing; Lumpkin, Rick; Navaneeth, K. N.; Milligan, Ben; McPhaden, Michael J.; Ravichandran, M.; Shinoda, Toshiaki; Singh, Arvind; Sloyan, Bernadette M.; Strutton, Peter G.; Subramanian, Aneesh C.; Thurston, Sidney; Tozuka, Tomoki; Ummenhofer, Caroline C.; Unnikrishnan, Shankaran Alakkat; Venkatesan, Ramasamy; Wang, Dongxiao; Wiggert, Jerry D.; Yu, Lisan; Yu, Weidong (Frontiers Media, 2019-06-28)
      The Indian Ocean is warming faster than any of the global oceans and its climate is uniquely driven by the presence of a landmass at low latitudes, which causes monsoonal winds and reversing currents. The food, water, and ...
    • Role of Greenland freshwater anomaly in the recent freshening of the subpolar North Atlantic 

      Dukhovskoy, Dmitry S.; Yashayaev, Igor; Proshutinsky, Andrey; Bamber, Jonathan L.; Bashmachnikov, Igor; Chassignet, Eric P.; Lee, Craig M.; Tedstone, Andrew (American Geophysical Union, 2019-04-26)
      The cumulative Greenland freshwater flux anomaly has exceeded 5,000 km3 since the 1990s. The volume of this surplus freshwater is expected to cause substantial freshening in the North Atlantic. Analysis of hydrographic ...