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Full-Text Articles in Pharmacology, Toxicology and Environmental Health
Partitioning Of Volatile Organic Compounds Into The Multiple Environmental Compartments, Jeonghyeon Ahn
Partitioning Of Volatile Organic Compounds Into The Multiple Environmental Compartments, Jeonghyeon Ahn
Theses and Dissertations
Volatile organic compounds (VOCs) dominate the class of pollutants that accumulate in the atmosphere and indoors. Partitioning coefficient is a measure of a compound’s ability to distribute between two phases. Assessing the partitioning of VOCs is essential to determine their transport, fate, behavior, and adverse environmental and health impacts across multiple environmental compartments. Studies on VOC partitioning have been limited because discriminating the small mass fraction of VOCs in aerosol particles is difficult to quantify. The partitioning of VOCs into soil, air, and aerosol particle phases was investigated under dynamic laboratory conditions. A bench-scale system that precisely controlled the relative …
Bacterial Water Quality Monitoring As Citizen Science In Congaree National Park, South Carolina, Shea Mccarthy
Bacterial Water Quality Monitoring As Citizen Science In Congaree National Park, South Carolina, Shea Mccarthy
Theses and Dissertations
Congaree National Park aims to preserve its natural and cultural resources while protecting these benefits for current and future enjoyment. Hydrologic features make up a large portion of the park and attract visitor recreation. There are several known sources of pollution that enter these waterways, mainly from upstream sources of waste discharge. The national park and its surrounding areas hold great ecological significance, however, there are many threats to the surface water quality in this area. Water quality degradation can impact the ecosystem, wildlife, and visitor experience. This project specifically considers exposure to fecal contamination in surface waters from upstream …
Linking Microbial Phylogenetic And Functional Gene Diversity To Microbial Mat Ecosystem Function Following Environmental Disturbance, Eva Christine Preisner
Linking Microbial Phylogenetic And Functional Gene Diversity To Microbial Mat Ecosystem Function Following Environmental Disturbance, Eva Christine Preisner
Theses and Dissertations
The ability of ecosystems to adapt to environmental perturbations depends on the duration and intensity of change and the overall biological diversity of the system. In this study, a microbial mat ecosystem located on San Salvador Island, the Bahamas was used as a model to examine how environmental disturbance affects microbial community resistance, their protein synthesis potential (PSP), ecosystem function as measured by biogeochemical cycling, community stability, and resilience. This ecosystem experienced a large shift in salinity (230 to 65 g kg-1) during 2011–2012 following the landfall of Hurricane Irene on San Salvador Island. High throughput sequencing and analysis of …