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Showing result 1 - 5 of 116 essays matching the above criteria.

1. 1. High levels of nickel from sulphide soil in Umeå's raw water : Modeling of groundwater flow and mass transport in Forslunda aquifer

   University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

   Author : Merhawi Belai; [2024]
   Keywords : nickel; sulfide; sulphide; groundwater; modeling; mass transport; Feflow; Umeå; nickel; sulfid; monosulfid; grundvatten; modellering; masstransport; Feflow; Umeå;

   Abstract : The raw water in some of Umeå's abstraction wells has shown high nickel levels for more than a decade. The cause has not been determined but there is an investigation from 2010 where the results indicate sulphide clay found adjacent to two basins used for artificial infiltration. READ MORE

3. 2. Groundwater Modelling in southeast Cambodia - Facing irrigation and groundwater level changes during a pandemic

   University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

   Author : Svea Bertolatus; [2024]
   Keywords : Cambodia; GMS Modflow; Groundwater modelling; irrigation; Mekong; Prey Veng; Svay Rieng; Technology and Engineering; Earth and Environmental Sciences;

   Abstract : In the Mekong region, sustainable water resource management is a significant challenge for all countries involved. In Cambodia, where rice production is crucial for household food security and export, groundwater is increasingly used for irrigation during the dry season, leading to higher rice yields. READ MORE

4. 3. FROM SPACE TO THE SUBSURFACE. Examining Relations Between Vegetation Indices and Local Groundwater Storage.

   University essay from Göteborgs universitet/Institutionen för geovetenskaper

   Author : Gustav Antonsson; [2023-11-06]
   Keywords : ;

   Abstract : This study aimed to examine the relationship between vegetation indices, NDVI and NDWI, and groundwater levels in the county of Kalmar, utilizing correlation and regression analysis. Further, by examining related geospatial features the study aimed to interpret the statistical outcomes to identify significant temporal and spatial patterns. READ MORE

5. 4. Modeling PFAS Transport in Groundwater - Exploring current approaches and evaluating parameter importance

   University essay from Lunds universitet/Väg- och vattenbyggnad (CI); Lunds universitet/Teknisk geologi

   Author : Clara Eklund; [2023]
   Keywords : PFAS; Groundwater modeling; FEFLOW; Python; Machine learning; Technology and Engineering;

   Abstract : PFAS contamination in drinking water is a current problem, and new regulations for drinking water limits were recently implemented in each member country of the EU in January this year. Understanding the spread of PFAS in groundwater is therefore important to prevent it from reaching drinking water sources. READ MORE

6. 5. Dagvatten blir badvatten : ett gestaltningsförslag på en baddamm i Gränbyparken med naturlig rening

   University essay from SLU/Dept. of Urban and Rural Development

   Author : Ludvig Pärlefors Prado; [2023]
   Keywords : Baddamm; dagvattenrening; naturlig pool; hållbar dagvattenhantering;

   Abstract : Att rena och fördröja dagvatten sker i allt högre grad lokalt. Då dagvattenanläggningarna kommer närmare inpå den bebyggda miljön och i kontakt med stadens invånare, får landskapsarkitekten en viktig roll, genom att utforma öppna dagvattenlösningar. READ MORE