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water quality – Usa Online Essays
Trees are very important to the environment as they provide oxygen to living organisms, uptake carbon dioxide, improve air quality by absorbing potentially harmful pollutants (e.g., carbon monoxide, sulfur dioxide), produce carbohydrates (sugars ,cellulose, starch, etc.) and serve as an climate indicator (e.g., precipitation). In the Southern United States, loblolly pine trees (Pinus taeda) are the most essential and widely produced trees. It is extensively used for lumber and pulpwood. We extracted tree cores from the loblolly pines across the campus of Elizabeth City State University and compared the correlation of diameter at base height (DBH) and tree age. Once we collected the cores, we calculated the estimated age and determined the overall health condition of the trees, by analyzing the growth rings in each core. We also determined what variables contribute to the positive or negative growth of a tree (e.g., mulch, vines). () ()
The present deterioration of its water quality is not related to the water itself but also to the danger of diffusion of toxic substances into the ecosystem.
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We investigated local stream water quality to determine the impacts of agriculture and development. We selected four sites two controlled sites, one agricultural site, and one developmental site. We tested the water’s temperature, dissolved oxygen levels, pH, and specific conductivity with a multi-parameter meter. We also collected water samples to analyze the ammonia, nitrite, and the turbidity. Macro invertebrates were also sampled in vegetative and muddy areas at each sample site.
We aim to develop a treatment method to generate affordable, potable water from the abundantly available brackish water sources, particularly in rural and remote areas. We will explore Capacitive Deionization (CDI), combined with a unique voltage-pulsing arrangement, which together have the potential to treat brackish sources more efficiently and affordably than ever before. Capacitive deionization (CDI) is a technology to deionize water by applying an electrical potential difference over two porous carbon electrodes.
Essays: Water Quality and Contamination
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