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Full-Text Articles in Environmental Sciences

Study On Pore Distribution And Formation Rule Of Sepiolite Mineral Nanomaterials, Qingguo Tang, Fei Wang, Mengran Tang, Jinsheng Liang, Chongyan Ren Nov 2012

Study On Pore Distribution And Formation Rule Of Sepiolite Mineral Nanomaterials, Qingguo Tang, Fei Wang, Mengran Tang, Jinsheng Liang, Chongyan Ren

Electrical and Computer Engineering Faculty Publications

Theoretical research and specific surface area analysis of nitrogen adsorption indicated that a lot of structural micropores exist in sepiolite minerals fibers. However, the microporous size, existing form, and the distribution relationship between microporous structures were not proved yet. In this paper, the section TEM samples of nanofibers were prepared on the basis of the metal embedding and cutting technique, and the inner structure of sepiolite nanofibers was observed by TEM. The results showed that sepiolite fibers have multiplayer structure similar to concentric circles, and many micropores with the size of about 2–5 nm are normal and parallel to the …


Mapping And Assessing Fire Damage On Broadleaved Forest Communities In Big Cypress National Preserve, Pablo L. Ruiz, Jay P. Sah, James R. Snyder, Michael S. Ross Sep 2012

Mapping And Assessing Fire Damage On Broadleaved Forest Communities In Big Cypress National Preserve, Pablo L. Ruiz, Jay P. Sah, James R. Snyder, Michael S. Ross

SERC Research Reports

Within Big Cypress National Preserve (BICY), oak-dominated forests and woodlands as well as tropical and temperate hardwood hammocks are integral components of the landscape and are biodiversity hotpots for both flora and fauna. These broadleaved forest communities serve as refugia for many of the Preserve’s wildlife species during prolonged flooding and fires. However, both prolonged flooding and severe fires, which are important and necessary disturbance vectors within this landscape, can have deleterious effects on these forested communities. This is particularly true in the case of fires, which under extreme conditions associated with drought and elevated fuel loads, can burn through …


Monitoring Of Tree Island Condition In The Southern Everglades: Annual Report 2011, Jay P. Sah, Michael S. Ross, Pablo L. Ruiz, Suresh Subedi Mar 2012

Monitoring Of Tree Island Condition In The Southern Everglades: Annual Report 2011, Jay P. Sah, Michael S. Ross, Pablo L. Ruiz, Suresh Subedi

SERC Research Reports

Tree islands, a prominent feature in both the marl prairie and ridge and slough landscapes of the Everglades, are sensitive to large-scale restoration actions associated with the Comprehensive Everglades Restoration Plan (CERP) authorized by the Water Resources Development Act (WRDA) 2000 to restore the south Florida ecosystem. More specifically, changes in hydrologic regimes at both local and landscape scales are likely to affect the internal water economy of islands, which in turn will influence plant community structure and function. To strengthen our ability to assess the “performance” of tree island ecosystems and predict how these hydrologic alterations would translate into …