Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 306 for “"water bodies"”.
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AGRICULTURAL SMALL WATER BODIES: CARBON SOURCE OR CARBON SINK?
… major greenhouse gas sink (GHG), and while freshwaters were thought to be neutral entities, they may in fact be potent producers and emitters of CO2 and CH4. Little is known about their contribution to the global carbon budget, especially in agricultural landscapes. This research aimed to …
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Biotic Impacts in Shallow Water Bodies of South Dakota Resulting From Common Carp Invasion
… to as carp) are one of the most common freshwater fish invaders worldwide that are known to have adverse ecological effects. They are generalists that possess a suite of life history traits that make them very efficient at invading new water bodies and rapidly expanding their populations. …
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Antimicrobial resistant bacteria and genes in selected surface water bodies of the North West Province
… resistance genes (ARGs) they may host. Surface water sampling took place at six sites in close vicinity to the confluence of the WFS and MR on three sampling occasions in 2015. R2A agar and R2A agar supplemented with antimicrobials (ampicillin, copper (Cu), iron (Fe), lead (Pb) and zinc (Zn)) …
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3-D hybrid Eulerian-Lagrangian / particle tracking model for simulating mass transport in coastal water bodies
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1992.
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Analysis of antibiotics and PFAS as potential emerging pollutants in the water bodies and their accumulation in food samples
… run-offs, irrigations, leaching and wastewater spillage. Their residues are widely detected in almost every environmental compartment. Their detection in drinking water and food is one of the global concerns. Their effect in living organisms have been widely documented ranging from …
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Impact of urban water bodies and green spaces on the spatial distribution of heat island effects: A case study of New York
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-19 without embargo terms
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Exploring Innovative Methods to Study Inland Waters Using Remote Sensing
Inland water bodies such as lakes and rivers provide vital freshwater to both human communities and ecosystems. However, these water bodies are increasingly altered by anthropogenic activities. Deforestation, agriculture, and structures such as dams can all have serious impacts on both water …
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Šiaulių miesto paviršinių vandens telkinių ekologinės būklės įvertinimas /
The theme of Bachelor thesis – Surface water bodies ecological assessment of Šiauliai city. The aim of the research – evaluate ecological status of Rekyva, Talksa, Ginkunai lakes and Prudelis pond. This work analyzes the main European Union and national legislation on the protection of water. The …
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Understanding the relationship between land use/land cover and malaria in Nepal
… land cover types used for this study are forest, water bodies, agriculture, grassland, shrubland, barren areas, built-up areas and paddy areas. Change detection techniques were used to study LULC change. The temporal trend of MIR in 58 districts, and the relationship between MIR and LULC were …
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Geochemical and limnological aspects of phosphorous contamination in the Noordhoek Valley, Cape Peninsula
… aeruginosa was reported for the two main water bodies within the wetland. The objective of this study was to conduct an investigation of geochemical and limnological aspects of phosphorus contamination within the wetland. The investigation concentrated on the two main water bodies of the …
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Taxonomy, faunistics and life-history traits of Dytiscidae and Noteridae (Coleoptera) in a West African savannah
… the ecological role of temporary and permanent water bodies for the aestivation of these aquatic beetles. The ecological studies focused on the question how the beetles cope with the temporary loss of their aquatic habitats during dry season. The climate in the study area is characterised by a …
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Delineation of Surface Water Features Using RADARSAT-2 Imagery and a TOPAZ Masking Approach over the Prairie Pothole Region in Canada
… are common, and they are an essential water storage element in the regional hydrological system. The accurate delineation of surface water bodies is important for a variety of reasons, including conservation, environmental management, and better understanding of hydrological and climate …
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Aspectos da biologia e ecologia de Callibaetis guttatus Navás, 1915 (Insecta: Ephemeroptera: Baetidae) em alagados temporários da Restinga de Maricá, Estado do Rio de Janeiro, com considerações taxonômicas
… (Insecta: Ephemeroptera: Baetidae) in temporary water bodies of Restinga de Maricá, Rio de Janeiro State, with taxonomical notes. Some aspects on the biology and ecology of C. guttatus were studied since 1986 , in Brejo-canal de Itaipuaçu Marsh and other temporary water bodies of Restinga de …
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Methane distribution and oxidation across aquatic interfaces
… be spread on vast areas involving marine, freshwater and terrestrial ecosystems. Thus, aquatic systems have a high potential to translate local or regional environmental and subsequently ecosystem changes to a bigger scale. Many studies neglect this connectivity and focus on individual aquatic …
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New data structure and process model for automated watershed delineation
… the stream network and its associated subwatersheds are the primary steps in the raster-based parameterization of watersheds. There are two widely used methods for delineating subwatersheds. One of these is the Upstream Catchment Area (UCA) method. The UCA method employs a user specified …
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Impacts of land use land cover changes in mountainous catchments – a case study of Klaserie Catchment, Mariepskop Mountain
… vegetation, bare land, built-up areas, and water bodies. Classification accuracies averaged (91–97%) with Kappa values of 0.84–0.94. Built-up areas increased by 199%, bare land declined by 30%, vegetation expanded slightly, and water bodies remained stable. The detected shifts in vegetation, …
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A geochemical investigation of the sediments in Small Bay, Saldanha Bay, with special reference to the mobility of Cd, Cu, Pb and Zn
Saldanha Bay is a natural deep-water harbour situated on the Cape West Coast, approximately 100 km north of Cape Town. The bay is not an estuary, since there are no rivers or streams entering the inlet. Saldanha Bay covers a total area of approximately 9.61 x 107 m2 and consists of three …
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Ery Urbanism: Framework for Water Inclusive Urban Growth in Chennai
… around an elaborate cascading system of water tanks, locally known as ‘Erys’. Traditionally, as an agrarian society these erys were ecological commons that engendered biodiversity, and community building. They served as essential water reservoirs and flood control systems that were …
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