Sökning: "data assimilation"

Visar resultat 21 - 25 av 73 avhandlingar innehållade orden data assimilation.

1. 21. Task-based Information Seeking and Retrieval in the Patent Domain: Processes and Relationships

   Författare :Preben Hansen; RISE; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : Information-intensive work tasks in professional settings usually involve dynamic and increasingly complex information handling tasks that include the gathering, assessment, assimilation, and creation of information. Understanding the factors affecting information handling processes, and their interaction, is important and forms the objective of this thesis. LÄS MER

3. 22. Description and Analysis of Data and Errors in GPS Meteorology

   Författare :Borys Stoew; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; atmospheric water vapor; global positioning system; propagation delay; meteorology; ensemble assimilation; GPS;

   Sammanfattning : This report presents the relation between remote sensing techniques used for estimation of atmospheric water vapor content, and numerical weather prediction. The thesis makes an overview of the methods for estimation of the zenith wet/total delay (ZWD/ZTD) for radio waves in the neutral atmosphere, and a statistical description of data in relation to the sampling problem for atmospheric water vapor. LÄS MER

4. 23. Essays on the Political Economy of Development

   Författare :Matti Mitrunen; Andreas Madestam; David Strömberg; Torsten Persson; Noam Yuchtman; Stockholms universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Industrial policy; Structural change; Intergenerational mobility; War reparations; Inequality; Kuznets curve; Famine; Threat of revolution; Extension of the franchise; Assimilation; Age of Mass Migration; Patriotism; Nation building; Economics; nationalekonomi;

   Sammanfattning : Structural Change and Intergenerational Mobility: Evidence from the Finnish War ReparationsThis paper presents evidence that government industrial policy can promote new industries, move labor out of agriculture into manufacturing, and have long-term effects via increased human capital accumulation and upward mobility. I use plausibly exogenous variation generated by the Finnish war reparations (1944-1952) that forced the largely agrarian Finland to give 5% of its yearly GDP to the Soviet Union in the form of industrial products. LÄS MER

5. 24. The Immigrant Experience: Changing Employment and Income Patterns in Sweden, 1970 - 1993

   Författare :Kirk Scott; Ekonomisk-historiska institutionen; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; immigrant; Social and economic history; cultural distance; technological change; Ekonomisk och social historia; integration; Sweden; labor market; income; migration; assimilation;

   Sammanfattning : This thesis explores the changing patterns of employment and income assimilation among male immigrants to Sweden. In brief, the results of this work are that immigrants have been facing an increasingly difficult time integrating into the Swedish economy. LÄS MER

7. 25. Migration and Perceptions of War : Simultaneous Surveys in Countries of Origin and Settlement

   Författare :Jonathan Hall; Ashok Swain; Cochrane Feargal; Uppsala universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; civil war; migration; refugees; gastarbeiter; family reunification; exile; trauma; coping; nostalgia; conservation of resources; terror management theory; social identity complexity; assimilation; acculturation; surveys; Peace and Conflict Research; Freds- och konfliktforskning;

   Sammanfattning : This dissertation contributes to post-war public opinion research by examining the perceptions of migrants – the gastarbeiter, the refugee, the family reunited after war – and the local population in comparative perspective. Existing surveys of post-war populations are typically conducted in a single country affected by war. LÄS MER