Sökning: "wave age"

Visar resultat 1 - 5 av 101 avhandlingar innehållade orden wave age.

  1. 1. Atmosphere-ocean Interactions in Swell Dominated Wave Fields

    Författare :Alvaro Semedo; Anna Rutgersson; Oyvind Saetra; Piero Lionello; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Waves; Wind sea; Swell; Swell propagation; MABL; Air-sea interaction; Momentum flux; Wave climate; Coupling; Wave age; Empirical Orthogonal functions; Wave model; Climate model; WAM; RCA; wave heights; Meteorology; Meteorologi; Meteorologi; Meteorology;

    Sammanfattning : Ocean wind waves represent the atmosphere-ocean boundary, playing a central role in the air-sea exchanging processes. Heat, mass and momentum are transferred across this boundary, with waves mediating the exchange of principally the momentum between the winds and the ocean surface. During the generation process waves are called wind sea. LÄS MER

  3. 2. Ultrasound based shear wave elastography of the liver : a non-invasive method for evaluation of liver disease

    Författare :Marie Byenfeldt; Anders Elvin; Per Fransson; Odd Helge Gilja; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Anthropometric measurement; diagnostic imaging; elasticity imaging technique; blood supply; BMI; body position; fatty liver; liver disease; hepatic steatosis; liver fibrosis; liver stiffness; obesity; postural change; pressure; probe; sex characteristic; shear wave elastography; skin-to-liver capsule distance; transducer and ultrasonography; Radiography; radiografi;

    Sammanfattning : Background: Detecting liver disease at an early stage is important, given that early intervention decreases the risk of developing cirrhosis and subsequently hepatocellular cancer (HCC). The non-invasive ultrasound-based shear wave elastography (SWE) has been used clinically for a decade to assess liver stiffness. LÄS MER

  4. 3. Fluxes and Mixing Processes in the Marine Atmospheric Boundary Layer

    Författare :Erik Olof Nilsson; Anna Rutgersson; Harm Jonker; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Waves; Growing sea; Swell; Marine boundary layer; Air-sea interaction; Mixing; Momentum flux; Wind stress; Flux attenuation; Sensor separation; Large eddy simulation; Multiresolution analysis; Coupling; Wave model; Climate model; Wave age; Meteorology; Meteorologi;

    Sammanfattning : Atmospheric models are strongly dependent on the turbulent exchange of momentum, sensible heat and moisture (latent heat) at the surface. Oceans cover about 70% of the Earth’s surface and understanding the processes that control air-sea exchange is of great importance in order to predict weather and climate. LÄS MER

  5. 4. Wind-wave interaction effects on offshore wind energy

    Författare :Ali Al Sam; Strömningsteknik; []
    Nyckelord :wind-wave; swell; atmospheric boundary layer; marine atmospheric boundary layer; atmospheric turbulence; Large-eddy simulation; actuator line; wind sea; offshore technology; wind energy; wind turbine; aerodynamic;

    Sammanfattning : This thesis is devoted to the investigation of the impacts of fast moving ocean surface waves on the aerodynamics of offshore wind turbines. The impacts of non-locally generated waves (swell) on the Marine Atmospheric BoundaryLayer (MABL) and thereby on offshore wind turbine aerodynamics are studied numerically by using Large Eddy Simulations and the Actuator Line Method. LÄS MER

  7. 5. Order in Ruins : British Society and the Media Assemblage of The World at War c. 1970-1975

    Författare :Allan Burnett; Mediehistoria; []
    Nyckelord :HUMANIORA; HUMANITIES; HUMANIORA; HUMANITIES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Media history; History; Media; History; 20th Century; Media analysis; media and communication studies; Media and democracy; media and political engagement; media and politics; media and power; media and social relations; Media ecology; media ethics; Deleuze and Guattari; McLuhan; Gender history; British history; Social history; Memory studies; Nationalism; Transnational; National Identity; Second World War; Cold War; Cold War culture; European history; African history; Television; television production; television and everyday life; television history; Film and history; film as historical source material; television culture; film analysis; film archives; film archive; Oral history; Media technology; broadcasting history; 1960- och 1970-tal; 1970s; Assemblage theory; Public history; Postcolonial; war history; Military history; Holocaust memory; memory culture; history culture; British Empire; Enoch Powell; Thatcher; New Left; history of class divisions; Women s movement; Women s history; postmodernity; generational relation; generational shift; Holocaust; postwar era; Journalism and New media; Journalistic culture; journalistic ideology; journalistic roles; journalistic practices; journalistic techniques; Anglo-american; European Community; Decolonisation; Decolonization; migrational history; National identity; Communities of belonging; Globalisation; nuclear age; atomic age; Apocalyptic narrative; Apocalyptic; documentary; Documentary film; documentaries; Filmmaking; Filmmakers; Soviet history; Nazi Germany;

    Sammanfattning : This thesis studies a period of intense crisis and creativity in British media, society, and culture, when the settled outcome of the Second World War (WW2) was perceived to be disintegrating. The post-world-war order was becoming an ‘order in ruins’. LÄS MER