Open Access. Powered by Scholars. Published by Universities.®
- Discipline
-
- Physical Sciences and Mathematics (62)
- Civil Engineering (59)
- Environmental Sciences (50)
- Bioresource and Agricultural Engineering (38)
- Other Civil and Environmental Engineering (33)
-
- Social and Behavioral Sciences (21)
- Chemical Engineering (20)
- Transportation Engineering (19)
- Hydraulic Engineering (18)
- Life Sciences (18)
- Geotechnical Engineering (17)
- Water Resource Management (17)
- Earth Sciences (14)
- Natural Resources Management and Policy (13)
- Sustainability (13)
- Mechanical Engineering (12)
- Public Affairs, Public Policy and Public Administration (12)
- Construction Engineering and Management (10)
- Environmental Monitoring (10)
- Oceanography and Atmospheric Sciences and Meteorology (9)
- Chemistry (8)
- Engineering Education (8)
- Environmental Indicators and Impact Assessment (8)
- Hydrology (7)
- Materials Science and Engineering (7)
- Medicine and Health Sciences (7)
- Operations Research, Systems Engineering and Industrial Engineering (7)
- Institution
-
- Universidad de La Salle (70)
- Portland State University (34)
- University of Nebraska - Lincoln (34)
- University of South Florida (20)
- Selected Works (15)
-
- Western University (15)
- Michigan Technological University (13)
- California Polytechnic State University, San Luis Obispo (8)
- Purdue University (8)
- SelectedWorks (8)
- Marquette University (7)
- Old Dominion University (7)
- University of Central Florida (7)
- University of Kentucky (7)
- University of Massachusetts Amherst (7)
- University of Tennessee, Knoxville (7)
- University of Texas at El Paso (7)
- University of Wisconsin Milwaukee (6)
- Montana Tech Library (5)
- University of Nevada, Las Vegas (5)
- Air Force Institute of Technology (3)
- Duquesne University (3)
- Florida International University (3)
- Stony Brook University (3)
- Technological University Dublin (3)
- The University of Akron (3)
- University of Vermont (3)
- Clemson University (2)
- Cleveland State University (2)
- Georgia Southern University (2)
- Keyword
-
- Sustainability (13)
- Modeling (10)
- Colombia) (9)
- Control ambiental (8)
- Wastewater (7)
-
- CO) (6)
- Water treatment (6)
- Adsorption (5)
- Agua en agricultura (5)
- Heavy metals (5)
- Wastewater treatment (5)
- Agua potable (4)
- Biomass (4)
- Climate change (4)
- Contaminación del agua (4)
- Life Cycle Assessment (4)
- Protección del medio ambiente (4)
- SWAT (4)
- Salud pública (4)
- Utilización del agua (4)
- Water (4)
- Air Quality Impact Assessment (3)
- Air pollution (3)
- Algae (3)
- Análisis - Huella hídrica (3)
- Aprovechamiento de residuos (3)
- Bioenergy (3)
- Biomass burning (3)
- Biosolids (3)
- Conservación de suelos (3)
- Publication
-
- Ingeniería Ambiental y Sanitaria (69)
- Biological Systems Engineering: Papers and Publications (23)
- Civil and Environmental Engineering Faculty Publications and Presentations (22)
- Electronic Thesis and Dissertation Repository (15)
- USF Tampa Graduate Theses and Dissertations (13)
-
- Electronic Theses and Dissertations (12)
- Theses and Dissertations (9)
- Dissertations, Master's Theses and Master's Reports - Open (8)
- Master's Theses (8)
- Open Access Theses & Dissertations (7)
- PSU High School Innovation Challenge (7)
- Sinkhole Conference 2015 (7)
- Masters Theses (6)
- Civil & Environmental Engineering Theses & Dissertations (5)
- Dissertations, Master's Theses and Master's Reports (5)
- Environmental & Water Resources Engineering Masters Projects (5)
- Graduate Theses & Non-Theses (4)
- Master's Theses (2009 -) (4)
- Open Access Dissertations (4)
- Witold Zukowski (4)
- Department of Civil and Environmental Engineering: Dissertations, Theses, and Student Research (3)
- FIU Electronic Theses and Dissertations (3)
- Graduate College Dissertations and Theses (3)
- Policy (3)
- Robert Oleniacz (3)
- Technology & Society Faculty Publications (3)
- Theses and Dissertations--Biosystems and Agricultural Engineering (3)
- UNLV Theses, Dissertations, Professional Papers, and Capstones (3)
- Williams Honors College, Honors Research Projects (3)
- Wojciech Budzianowski (3)
- Publication Type
Articles 331 - 348 of 348
Full-Text Articles in Environmental Engineering
Life Cycle Assessment (Lca) Of Tourism Activities, Kayla Santello
Life Cycle Assessment (Lca) Of Tourism Activities, Kayla Santello
Honors Theses and Capstones
Abstract— Tourism, like other developed industries is a commerce that requires energy inputs and yields outputs with significant effects on the environment. However a comprehensive study examining the life cycle impact associated with each tourism component including transportation, accommodation, food services, and recreation is still lacking. Therefore a search of previous tourism life cycle studies was carried out and ten studies were further investigated. Indicators, assessment approaches, and system boundaries of these previous studies were assessed. Then the outcomes were normalized and compared in order to obtain ranges for the four components of tourism. It was found that energy intensity …
Direct Membrane Filtration Of Domestic Wastewater: Implications For Coupling With Anaerobic Membrane Bioreactor (Df-Anmbr) For Wastewater Resource Recovery, George H. Dick
USF Tampa Graduate Theses and Dissertations
With the growing use of membranes in the water industry, different methods for using membranes to treat water is still occurring. Enhancing membrane performance is generally performed with extensive pretreatment methods before the feedwater is filtered by the membrane. With the utilization of direct membrane filtration (DF), no pretreatment is performed and the membrane is exposed to raw wastewater. While this may suggest that membrane performance and permeate quality would suffer in the process, DF testing with a 0.03 µm ultrafiltration PVDF membrane showed that relatively high membrane flux was sustained while producing a high quality effluent. Due to the …
Ecological Sanitation In Uganda: Promotion Through Demonstration Facilities And Potential For Ascaris Reduction By Free Ammonia Inactivation Using Stored Urine, John Thomas Trimmer
Ecological Sanitation In Uganda: Promotion Through Demonstration Facilities And Potential For Ascaris Reduction By Free Ammonia Inactivation Using Stored Urine, John Thomas Trimmer
USF Tampa Graduate Theses and Dissertations
As Uganda works to transform itself into an industrialized, middle-income country in the coming decades, the country is faced with a number of problematic trends that could hinder this transition. High population growth and urbanization are quickly forcing small towns to deal with issues of limited space and the aesthetic conditions within sanitation systems, while declining soil fertility in surrounding rural areas calls into question the future nutritional security of the growing population. Ecological Sanitation (Eco-San) systems, which are designed to recover nutrients from human excreta, may help to address these trends.
Improved sanitation coverage in Uganda is currently estimated …
A Framework For Determining Building Water Cycle Resilience Using A Dynamic Water Resilience Assessment Model (Wram), Caryssa Joustra
A Framework For Determining Building Water Cycle Resilience Using A Dynamic Water Resilience Assessment Model (Wram), Caryssa Joustra
USF Tampa Graduate Theses and Dissertations
The aim of this project was to quantitatively measure the resilience of the building water cycle. In order to accomplish this goal, a framework was developed that outlines how building water resilience can be evaluated. The framework presented assumed that resilience describes the fulfillment of system functions; in this case, the system functions considered are those actualized by the building water system. A building water resilience assessment model (WRAM) was developed with the ability to simulate different building water cycles and resilience scenarios. Resilience is dependent on the type and magnitude of a disturbance. Therefore, unique disruption scenarios were developed …
Effects Of Solids Retention Time And Feeding Frequency On Performance And Pathogen Fate In Semi-Continuous Mesophilic Anaerobic Digesters, Nathan Daniel Manser
Effects Of Solids Retention Time And Feeding Frequency On Performance And Pathogen Fate In Semi-Continuous Mesophilic Anaerobic Digesters, Nathan Daniel Manser
USF Tampa Graduate Theses and Dissertations
Anaerobic digestion is a biochemical process in which organic carbon is biodegraded in an oxygen free environment through a microbial consortium. Engineered biological systems used for resource recovery often utilize anaerobic digestion to treat anthropogenic organic wastes by reclaiming the carbon as energy (methane gas) and a soil amendment (biosolids). Small-scale, or household, semi-continuous anaerobic digesters have been used in developed and developing countries for many decades to produce biogas from human and livestock waste, which is used for heating, lighting, and cooking. This application has been shown to improve the quality of life of the user. Although there is …
Evaluation Of School Vip Latrines And User Preferences And Motivations For Adopting Communal Sanitation Technologies In Zwedru, Liberia, Sarah J. Ness
Evaluation Of School Vip Latrines And User Preferences And Motivations For Adopting Communal Sanitation Technologies In Zwedru, Liberia, Sarah J. Ness
USF Tampa Graduate Theses and Dissertations
This thesis has three objectives as follows: 1) to investigate VIP latrine design and establish if the communal school VIP latrines located on the shared campus of Tubman Wilson Institute (TWI) Junior and Senior High School and J.C. Barlee Elementary School were properly designed and constructed, 2) to explore the user preferences and motivations impacting the adoption of these school latrines, and 3) to develop a framework for factors that influence latrine adoption. These goals were formed by the author in response to her Peace Corps experience working at a high school in Zwedru, Liberia from August 2012 to August …
Underwater Sound Transmission Through Arrays Of Disk Cavities In A Soft Elastic Medium, David C. Calvo, Abel L. Thangawng, Christopher N. Layman Jr., Riccardo Casalini, Shadi F. Othman
Underwater Sound Transmission Through Arrays Of Disk Cavities In A Soft Elastic Medium, David C. Calvo, Abel L. Thangawng, Christopher N. Layman Jr., Riccardo Casalini, Shadi F. Othman
Biological Systems Engineering: Papers and Publications
Scattering from a cavity in a soft elastic medium, such as silicone rubber, resembles scattering from an underwater bubble in that low-frequency monopole resonance is obtainable in both cases. Arrays of cavities can therefore be used to reduce underwater sound transmission using thin layers and low void fractions. This article examines the role of cavity shape by microfabricating arrays of disk-shaped air cavities into single and multiple layers of polydimethylsiloxane. Comparison is made with the case of equivalent volume cylinders which approximate spheres. Measurements of ultrasonic underwater sound transmission are compared with finite element modeling predictions. The disks provide a …
Temporal Endogenous Gene Expression Profiles In Response To Lipid-Mediated Transfection, Timothy M. Martin, Sarah A. Plautz, Angela K. Pannier
Temporal Endogenous Gene Expression Profiles In Response To Lipid-Mediated Transfection, Timothy M. Martin, Sarah A. Plautz, Angela K. Pannier
Biological Systems Engineering: Papers and Publications
Background — Design of efficient nonviral gene delivery systems is limited as a result of the rudimentary understanding of the specific molecules and processes that facilitate DNA transfer.
Methods — Lipoplexes formed with Lipofectamine 2000 (LF2000) and plasmid-encoding green fluorescent protein (GFP) were delivered to the HEK 293T cell line. After treating cells with lipoplexes, HG-U133 Affymetrix microarrays were used to identify endogenous genes differentially expressed between treated and untreated cells (2 h exposure) or between flow-separated transfected cells (GFP+) and treated, untransfected cells (GFP–) at 8, 16 and 24 h after lipoplex treatment. Cell priming studies were conducted using …
Evaluation Of Sixteen Reference Evapotranspiration Methods Under Sahelian Conditions In The Senegal River Valley, Koffi Djaman, Alpha B. Balde, Abdoulaye Sow, Bertrand Muller, Suat Irmak, Mamadou K. N'Diaye, Baboucarr Manneh, Yonnelle D. Moukoumbi, Koichi Futakuchi, Kazuki Saito
Evaluation Of Sixteen Reference Evapotranspiration Methods Under Sahelian Conditions In The Senegal River Valley, Koffi Djaman, Alpha B. Balde, Abdoulaye Sow, Bertrand Muller, Suat Irmak, Mamadou K. N'Diaye, Baboucarr Manneh, Yonnelle D. Moukoumbi, Koichi Futakuchi, Kazuki Saito
Biological Systems Engineering: Papers and Publications
Study region: Reference evapotranspiration (ETo) plays a key role in irrigation sys-tems design, water management under irrigated and rainfed production. Underthe sahelian conditions in the Senegal River Valley that receives less than 300 mmannual rainfall, rice crop water use should be estimated for the sustainability of theresource. Study focus: However the Penman–Monteith (PM) equation is revealed the mostaccurate one; it necessitates several climatic parameters that are not always avail-able mostly in the developing countries. The objective of this study was to evaluatethe performance of 16 ETo equations against the ASCE-PM equation under thesahelian conditions at Ndiaye and Fanaye …
Chitosan-Alginate Scaffold Cell Culture System And Related Methods, Miqin Zhang, Forrest Kievit, Matthew Chi-Hang Leung, Stephen Florczyk
Chitosan-Alginate Scaffold Cell Culture System And Related Methods, Miqin Zhang, Forrest Kievit, Matthew Chi-Hang Leung, Stephen Florczyk
Biological Systems Engineering: Papers and Publications
Methods for culturing cancer cells in vitro using a three dimensional scaffold, scaffolds that include the cultured cancer cells, and methods for using the cultured cancer cells and the scaffolds that include the cultured cancer cells in anticancer therapeutic drug development.
Nanoparticle Mediated Silencing Of Dna Repair Sensitizes Pediatric Brain Tumor Cells To Y-Irradiation, Forrest M. Kievit, Zachary R. Stephen, Kui Wang, Christopher J. Dayringer, Jonathan G. Sham, Richard G. Ellenbogen, John R. Silber, Miqin Zhang
Nanoparticle Mediated Silencing Of Dna Repair Sensitizes Pediatric Brain Tumor Cells To Y-Irradiation, Forrest M. Kievit, Zachary R. Stephen, Kui Wang, Christopher J. Dayringer, Jonathan G. Sham, Richard G. Ellenbogen, John R. Silber, Miqin Zhang
Biological Systems Engineering: Papers and Publications
Medulloblastoma (MB) and ependymoma (EP) are the most common pediatric brain tumors, afflicting 3000 children annually. Radiotherapy (RT) is an integral component in the treatment of these tumors; however, the improvement in survival is often accompanied by radiation-induced adverse developmental and psychosocial sequelae. Therefore, there is an urgent need to develop strategies that can increase the sensitivity of brain tumors cells to RT while sparing adjacent healthy brain tissue. Apurinic endonuclease 1 (Ape1), an enzyme in the base excision repair pathway, has been implicated in radiation resistance in cancer. Pharmacological and specificity limitations inherent to small molecule inhibitors of Ape1 …
Color Removal From Pulp Mill Effluent Using Coal Ash Produced From Georgia Power Coal Combustion Plants, Christopher B. Willett
Color Removal From Pulp Mill Effluent Using Coal Ash Produced From Georgia Power Coal Combustion Plants, Christopher B. Willett
Electronic Theses and Dissertations
Two environmental concerns currently face Georgia: coal fly ash (CFA) waste from coal power plants, and the effluent generated by pulp mills. Pulp mill effluent discolors surface waters into which it is discharged, and has been proven to negatively impact the dissolved oxygen and carbon necessary for aquatic life. The proposed solution is a cost-effective adsorption treatment using an inexpensive but abundantly available waste material: CFA. CFA possesses beneficial properties that allow it to effectively remove contaminants, and is available at significantly reduced cost. The primary research objective was to define treatment parameters that would result in the maximum removal …
Polychlorinated Biphenyl Source Identification In Fish Tissue Using A Multivariate Statistical Evaluation Of Congeners And Stable Isotope Ratio Mass Spectrometry, William Edward Corl Iii
Polychlorinated Biphenyl Source Identification In Fish Tissue Using A Multivariate Statistical Evaluation Of Congeners And Stable Isotope Ratio Mass Spectrometry, William Edward Corl Iii
Civil & Environmental Engineering Theses & Dissertations
Polychlorinated biphenyls (PCBs) were commercially produced mixtures primarily utilized as dielectric fluids in the electrical industry. However, due to their stability, they were widely used in many other applications. Although production of PCBs ceased in the 1970's, they continue to be a contaminant in the environment due to their widespread use, their recalcitrant behavior, and their proposed toxicological effects.
In 2008, a routine environmental investigation of an abandoned, concrete-lined pool at a Department of Defense (DoD) training facility in Williamsburg, Virginia led to the discovery of a PCB release from the facility into an adjacent reservoir. A forensic study was …
Book Review, Earthea Nance
Book Review, Earthea Nance
Earthea Nance, PhD (Stanford University, 2004)
Book Review published in the journal Water International (2015) The topic… “The book builds upon Nance’s research and presents a comprehensive account of Brazil’s experience of implementing condominial sewerage.” The topic… “From the very beginning, the author expresses her concerns in escaping from preconceived ideas about conventional and participatory development, positioning her views within a third wave of post-structural development discourse, neither universalist nor relativist, that is neither denying nor overvaluing the social content of development.” Research methods… “Nance manages to do so by integrating different areas of established knowledge and examining her research issue from a privileged historical perspective. …
Zespół Energii Odnawialnej I Zrównoważonego Rozwoju (Eozr), Wojciech M. Budzianowski
Zespół Energii Odnawialnej I Zrównoważonego Rozwoju (Eozr), Wojciech M. Budzianowski
Wojciech Budzianowski
No abstract provided.
Potential Of Metal Recovery From Coal Combustion Products. Part I. Physicochemical Characterization, Dariusz Bradlo, Witold Zukowski, Piotr Czuprynski, Konrad Jura
Potential Of Metal Recovery From Coal Combustion Products. Part I. Physicochemical Characterization, Dariusz Bradlo, Witold Zukowski, Piotr Czuprynski, Konrad Jura
Witold Zukowski
The paper presents physicochemical characteristic of coal combustion products: fly ashes from three stages of electrostatic dust collecting system (FAI, FAII, FAIII), slag (S) and slurry from wet flue gas desulphurization (S-wFGD). Fly ashes are classifi ed as ‘siliceous’ or ‘sialic-high acid’. Th e concentrations of selected heavy metals indicate that their values increase in accordance with consecutive stages of dust collecting system. Fly ash FAIII and slurry from wet FGD have the largest heavy metals content. The results show the increment of lanthanides and ittrium (REY) contents in CCPs from slag, through FAII and FAI to S-wFGD and FAIII.
Potential Of Metal Recovery From Coal Combustion Products. Part Ii. Leaching Of Selected Elements, Dariusz Bradlo, Witold Zukowski, Piotr Czuprynski, Karol Witkowski
Potential Of Metal Recovery From Coal Combustion Products. Part Ii. Leaching Of Selected Elements, Dariusz Bradlo, Witold Zukowski, Piotr Czuprynski, Karol Witkowski
Witold Zukowski
The paper presents leaching results of coal combustion products: fly ashes from the three stages of dust collecting system, slag and slurry from wet fl ue gas desulphurization. The static leaching method was used at room temperature, at a pH value of 1, 4, 7, 10 and 13 for 10 days. H2SO4 and NaOH were added as extraction media and L/S ratio was set to the value of 10. The highest recovery ratio was attained during leaching at a pH value of 1 for fly ash from the third stage of dust collecting system and slurry.
Peat And Coconut Fiber As Biofilters For Chromium Adsorption From Contaminated Wastewaters, Henryk Koloczek, Jaroslaw Chwastowski, Witold Zukowski
Peat And Coconut Fiber As Biofilters For Chromium Adsorption From Contaminated Wastewaters, Henryk Koloczek, Jaroslaw Chwastowski, Witold Zukowski
Witold Zukowski
Batch adsorption experiments were performed for the removal of chromium (III) and chromium (VI) ions from aqueous solutions using Canadian peat and coconut fiber. The Langmuir model was used to describe the adsorption isotherm. The maximum adsorption for peat reached 18.75 mg/g for Cr(III) and 8.02 mg/g for Cr(VI), whereas the value for fiber was slightly higher and reached 19.21 mg/g for Cr(III) and 9.54 mg/g for Cr(VI). Both chromium forms could be easily eluted from the materials. The adsorption of chromium forms to organic matter could be explained in terms of formation of donor-acceptor chemical covalent bound with hydroxyl …