Sökning: "Bathymetry"

Visar resultat 6 - 10 av 53 uppsatser innehållade ordet Bathymetry.

1. 6. Estimation of Water Depth from Multispectral Drone Imagery : A suitability assessment of CNN models for bathymetry retrieval in shallow water areas

   Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Författare :Qianyao Shen; [2022]
   Nyckelord :Bathymetry Retrieval; Multispectral Imagery; Convolutional Neural Network CNN ; Hämtning Av Batymetri; Multispektrala Bilder; Konvolutionellt Neuralt Nätverk CNN ;

   Sammanfattning : Aedes aegypti and Aedes albopictus are the main vector species for dengue disease and zika, two arboviruses that affect a substantial fraction of the global population. These mosquitoes breed in very slow-moving or standing pools of water, so detecting and managing these potential breeding habitats is a crucial step in preventing the spread of these diseases. LÄS MER

3. 7. Effects of modified river cross-section geometry on hydraulic modelling performance: the slope break method

   Master-uppsats, KTH/Hållbar utveckling, miljövetenskap och teknik

   Författare :Feixiong Qu; [2021]
   Nyckelord :;

   Sammanfattning : Remote sensing data has been widely used for large scale hydraulic modelling in the world. One of the most common ways to collect remote sensing data is by satellite. The digital elevation data observed from space is publicly accessible and covers almost all areas of the earth. However, the satellite cannot observe the river bathymetry. LÄS MER

4. 8. Surf Simulation with the Shallow Water Equations : Coupling of a surfer model to a shallow water wave

   Kandidat-uppsats, KTH/Skolan för teknikvetenskap (SCI)

   Författare :Anton Thorell; [2021]
   Nyckelord :;

   Sammanfattning : This thesis covers the subject of deriving and solving the system of partial differential equations known as the Shallow Water Equations (SWE), and coupling the solutions of this equation system to a simplified model of a surfer - or any floating object, with the right choice of parameters. The SWE are generally used to analyze fluid movement on shallow areas, such as ocean waves nearing the shore, and are derived from the Navier-Stokes equations and restricted to conservation of mass and momentum in a fluid. LÄS MER

5. 9. Evaluation of bank erosion and stability analysis along Rönne å at Ängelholm, Sweden

   Master-uppsats, Lunds universitet/Avdelningen för Teknisk vattenresurslära

   Författare :Arnold Mate Kalimukwa; Abuzack Juma Mohamed; [2021]
   Nyckelord :HEC-RAS; BSTEM; cross section; erosion; sediment transport; deposition; bank stability; safety factor; Technology and Engineering;

   Sammanfattning : This master thesis report presents the results of evaluation of bank erosion and stability analysis along Rönne å (river) at Ängelholm, located in south-west of Sweden within Scania. The main objectives cover building a hydrodynamic model, studying parameters that define sediment transport, modelling sediment transport within the river, mapping out erosive stretches and comparing to earlier observational study conducted by Norconsult in 2013, and finally conducting analysis of bank stability in most erosive stretches. LÄS MER

7. 10. Modeling wind-induced currents in lake Bolmen, Sweden, using TELEMAC 2D

   Master-uppsats, Lunds universitet/Avdelningen för Teknisk vattenresurslära

   Författare :Prasanjaya Bandara Ekanayake; [2021]
   Nyckelord :Bolmen Lake; TELEMAC 2D; Wind induced currents; QGIS; Blue Kenue; Technology and Engineering;

   Sammanfattning : Transport and material intermixing within lake systems have a significant impact on lake water quality. However, since researchers are primarily concerned with biological, environmental, and ecological aspects, physics and hydrodynamic behavior in lake water currents frequently receive less attention. LÄS MER