Carbon Nanotubes Affect The Toxicity Of Cuo Nanoparticles To Denitrification In Marine Sediments By Altering Cellular Internalization Of Nanoparticle,
2016
Tongji University, Shanghai, China
Carbon Nanotubes Affect The Toxicity Of Cuo Nanoparticles To Denitrification In Marine Sediments By Altering Cellular Internalization Of Nanoparticle, Xiong Zheng, Yinglong Su, Yinguang Chen, Rui Wan, Mu Li, Haining Huang, Xu Li
Department of Civil and Environmental Engineering: Faculty Publications
Denitrification is an important pathway for nitrate transformation in marine sediments, and this process has been observed to be negatively affected by engineered nanomaterials. However, previous studies only focused on the potential effect of a certain type of nanomaterial on microbial denitrification. Here we show that the toxicity of CuO nanoparticles (NPs) to denitrification in marine sediments is highly affected by the presence of carbon nanotubes (CNTs). It was found that the removal efficiency of total NOX−-N (NO3−-N and NO2−-N) in the presence of CuO NPs was only 62.3%, but it …
An Early Assessment Of Medium Range Monsoon Precipitation Forecasts From The Latest High-Resolution Ncep-Gfs (T1534) Model Over South Asia,
2016
CUNY New York City College of Technology
An Early Assessment Of Medium Range Monsoon Precipitation Forecasts From The Latest High-Resolution Ncep-Gfs (T1534) Model Over South Asia, Satya Prakash, Imaranali M. Momin, Ashis K. Mitra, Partha S. Bhattacharjee, Fanglin Yang, Vijay Tallapragada
Publications and Research
Reliable prediction of the South Asian monsoon rainfall and its variability is crucial for various hydrological applications and early warning systems. The National Centers for Environmental Prediction – Global Forecast System (NCEP–GFS) is one of the popular global deterministic numerical weather prediction models, which is recently upgraded from T574 to T1534. In this paper, medium range monsoon precipitation forecasts from both the T1534 and T574 models are critically evaluated over the South Asia for the peak monsoon months (July and August) of 2015. Although both the versions of GFS model show similar large-scale monsoon rainfall patterns, the dry bias over …
Bathymetric Survey For Lakes Azuei And Enriquillo, Hispaniola,
2016
CUNY City College
Bathymetric Survey For Lakes Azuei And Enriquillo, Hispaniola, Michael Piasecki, Mahrokh Moknatian, Fred Moshary, Joseph Cleto, Yolanda Leon, Jorge Gonzalez, Daniel Comarazamy
Publications and Research
The two largest lakes on the Caribbean Island of Hispaniola, Lake Azuei in Haiti and Lake Enriquillo in the Dominican Republic, have experienced dramatic growth and surface area expansion over the past few years leading to severe flooding and loss of arable land around the lake perimeters. In order to better understand the reasons for this unprecedented rate of expansion and the resulting consequences a multi-disciplinary team comprised of researchers from Haiti, the DR, and the US have embarked on an extensive data collecting and hydrologic and climatological modeling campaign. While the sensor deployment entails stations that measure climatological data …
In-Air Hearing Of A Diving Duck: A Comparison Of Psychoacoustic
And Auditory Brainstem Response Thresholds,
2016
U.S. Geological Survey Patuxent Wildlife Research Center
In-Air Hearing Of A Diving Duck: A Comparison Of Psychoacoustic And Auditory Brainstem Response Thresholds, Sara E. Crowell, Alicia M. Wells-Berlin, Ronald E. Therrien, Sally E. Yannuzzi, Catherine E. Carr
United States Geological Survey: Staff Publications
Auditory sensitivity was measured in a species of diving duck that is not often kept in captivity, the lesser scaup. Behavioral (psychoacoustics) and electrophysiological [the auditory brainstem response (ABR)] methods were used to measure in-air auditory sensitivity, and the resulting audiograms were compared. Both approaches yielded audiograms with similar U-shapes and regions of greatest sensitivity (2000-3000 Hz). However, ABR thresholds were higher than psychoacoustic thresholds at all frequencies. This difference was least at the highest frequency tested using both methods (5700 Hz) and greatest at 1000 Hz, where the ABR threshold was 26.8 dB higher than the behavioral measure of …
Applications Of Satellite Geodesy In Environmental And Climate Change,
2016
University of South Florida
Applications Of Satellite Geodesy In Environmental And Climate Change, Qian Yang
USF Tampa Graduate Theses and Dissertations
Satellite geodesy plays an important role in earth observation. This dissertation presents three applications of satellite geodesy in environmental and climate change. Three satellite geodesy techniques are used: high-precision Global Positioning System (GPS), the Gravity Recovery and Climate Experiment (GRACE) and Interferometric Synthetic Aperture Radar (InSAR). In the first study, I use coastal uplift observed by GPS to study the annual changes in mass loss of the Greenland ice sheet. The data show both spatial and temporal variations of coastal ice mass loss and suggest that a combination of warm atmospheric and oceanic condition drove these variations. In the second …
Surface Dynamics Of Crude And Weathered Oil In The Presence Of Dispersants: Laboratory Experiment And Numerical Simulation,
2016
Nova Southeastern University; University of Miami
Surface Dynamics Of Crude And Weathered Oil In The Presence Of Dispersants: Laboratory Experiment And Numerical Simulation, Alexander Soloviev, Brian K. Haus, Michael G. Mcgauley, Cayla Whitney Dean, David G. Ortiz-Suslow, Nathan J. M. Laxague, Tamay M. Ozgokmen
Marine & Environmental Sciences Faculty Articles
Marine oil spills can have dire consequences for the environment. Research on their dynamics is important for the well-being of coastal communities and their economies. Propagation of oil spills is a very complex physical-chemical process. As seen during the Deepwater Horizon event in the Gulf of Mexico during 2010, one of the critical problems remaining for prediction of oil transport and dispersion in the marine environment is the small-scale structure and dynamics of surface oil spills. The laboratory experiments conducted in this work were focused on understanding the differences between the dynamics of crude and weathered oil spills and the …
Abundance And Diversity Of Deep-Sea Crustaceans Of Bear Seamount, New England Seamount Chain,
2016
Nova Southeastern University
Abundance And Diversity Of Deep-Sea Crustaceans Of Bear Seamount, New England Seamount Chain, Valerie Miranda
HCAS Graduate Science Research Symposium
Bear Seamount (39° 55’ N; 67° 30’ W) is the westernmost peak of extinct undersea volcanoes in the New England Seamount Chain (Moore et al., 2003). It is located on the continental slope off Georges Bank, and is governed by unique environmental factors and currents that may be unlike those of the other seamounts (Moore et al., 2003). Previous cruises to this seamount have been successful in capturing abundant fishes, cephalopods and invertebrates (Moore et al., 2003; Moore et al., 2004; Moore et al., 2008), but only the distribution patterns of the fishes and cephalopods have been examined, leaving a …
Vision And Bioluminescence In Deep-Sea Crustaceans,
2016
Nova Southeastern University
Vision And Bioluminescence In Deep-Sea Crustaceans, Tamara Frank
HCAS Graduate Science Research Symposium
Adaptations of the visual systems of deep-sea crustaceans to dim light environments are driven not only by environmental light, but also biologically produced light, or bioluminescence. In the pelagic zone, the relationship is driven, at least in part, by intrinsic bioluminescence. The unusual possession of UV sensitivity, in additional to the expected blue sensitivity, in several species of deep-sea crustaceans appears to be linked to their two modes of bioluminescence. In the benthic zone, the relationship is not so clear. On several NOAA-OER funded research expeditions, electrophysiological studies were conducted on a number of species of decapod crustaceans collected with …
Characterization Of The Marine Sponge Amphimedon Compressa Microbiome Across A Spatial Gradient,
2016
Nova Southeastern University
Characterization Of The Marine Sponge Amphimedon Compressa Microbiome Across A Spatial Gradient, Renee Michelle Potens
HCNSO Student Theses and Dissertations
Diverse and ecologically important microbial communities (microbiomes) are symbiotic within marine sponges. In this study, the microbiome of Amphimedon compressa from three sample locations (Broward and Dade Counties, Southeast Florida, USA and the Southern Caribbean, Bocas del Toro, Panama) is characterized using 16S rRNA Illumina sequencing. The predominant taxa are Proteobacteria and Cyanobacteria, as expected for Low Microbial Abundance sponges, accounting for over 53% of the total microbiome community. The numbers of Operational Taxonomic Units (OTUs) decrease from Broward County (2,900) to Dade County (2,300) and then Bocas del Toro (1,200). The correlates to a decreasing north-south gradient of …
Northern San Francisco Bay Ecological Risk Assessment: Potential Crude By Rail Incident,
2016
University of San Francisco
Northern San Francisco Bay Ecological Risk Assessment: Potential Crude By Rail Incident, Meagan Bowis
Master's Projects and Capstones
Oil spill models, ecological risks, response options, and costs were assessed for a discharge of Bakken crude oil into the Northern San Francisco Bay from a train derailment. This assessment was based on the risk of crude by rail derailments into the San Francisco Bay; in 2014, California oil refineries imported over 240 million gallons of Bakken crude oil by rail for processing. A hypothetical scenario was developed from a derailment on the Union Pacific Railroad Bridge and discharging 100,000 gallons of Bakken crude oil into the Northern San Francisco Bay. The oil trajectory impacted the Carquinez Strait, Suisun, San …
Monitoring A Problem: Evaluating The Ecological Status Of The Invasive Nile Monitor In Florida And Forecasting Population Expansion Using Computational Gis,
2016
Nova Southeastern University
Monitoring A Problem: Evaluating The Ecological Status Of The Invasive Nile Monitor In Florida And Forecasting Population Expansion Using Computational Gis, Noah Cohen
HCAS Graduate Science Research Symposium
The state of Florida is an epicenter for the introduction of exotic terrestrial and marine species, often which are attributed to the pet industry. Identifying the threats posed by exotics that may become invasive is critical to manage and protect indigenous species and habitats. One such exotic that is now invasive in Florida is the Nile Monitor (Varanus niloticus). The Nile monitor is a large, predatory lizard native to central and southern Africa that is thought to have been introduced to Florida via both intentional and unintentional releases associated with the exotic pet trade. Since their introduction, Nile monitors have …
Genomic Assembly Analyses Of Asian Teleost Species Seabass (Lates Calcarifer) And Arowana (Scleropages Formosus),
2016
Nova Southeastern University
Genomic Assembly Analyses Of Asian Teleost Species Seabass (Lates Calcarifer) And Arowana (Scleropages Formosus), Stephen O'Brien
HCAS Graduate Science Research Symposium
The genome assembly and annotation of Asian seabass (Lates calcarifer) , a marine teleost with aquaculture relevance will be described, an initiative of Genome 10K . Though > 500 eukaryotic genome sequences are available in public repositories, the majority are highly fragmented with incomplete assemblies, so considerable effort and resources are often spent to improve their quality. In the present study, PacBio long read sequencing , genetic and optical mapping, and syntenic inference were combined to build a chromosome-length assembly with a contig N50 size over 1 Mb and scaffold N50 size over 25 Mb that span ~90% of the genome …
If You Build It, Will They Come? Exploring Enhancements To Artificial Structure For Use In Restoration And Mitigation Applications In The Mexican Caribbean,
2016
Nova Southeastern University
If You Build It, Will They Come? Exploring Enhancements To Artificial Structure For Use In Restoration And Mitigation Applications In The Mexican Caribbean, Kirk Kilfoyle
HCAS Graduate Science Research Symposium
A study involving standardized artificial reef modules (ReefballsTM) was conducted in Puerto Morelos, Mexico. The purpose was to explore the use of artificial structure in restoration and mitigation projects in a Caribbean coral reef environment similar to South Florida by applying select experimental treatments hypothesized to accelerate their acquisition of a natural coral reef assemblage. Multiple hypotheses on the progression and interaction between artificial structure and the resulting fish, coral, algal, and non-coral invertebrate assemblages were examined. Each of 40 reefball modules received one of 4 treatments (10 modules/treatment): invertebrate substrate pads, coral transplants, settlement plates, or control. Following deployment, …
U.S. Dot Quantification Initiative: Dot’S Collaboration With The Hampton Roads Sea Level Rise Pilot,
2016
U.S. DOT Climate Change Center
U.S. Dot Quantification Initiative: Dot’S Collaboration With The Hampton Roads Sea Level Rise Pilot, Alan Strasser
May 18, 2016: The Economic Impacts of Sea-Level Rise in Hampton Roads
PDF of powerpoint presentation given at the workshop "The Economic Impacts of Sea-Level Rise in Hampton Roads: An Appraisal of the Projects Underway" on May 18, 2016 at the Virginia Modeling and Simulation Center, 1030 University Blvd, Suffolk, VA 23435.
Quantifying The Impacts Of Climate Change To The Department Of The Interior,
2016
Office of Policy Analysis, U.S. Department of the Interior
Quantifying The Impacts Of Climate Change To The Department Of The Interior, Jonathan Steele, Christian Crowley
May 18, 2016: The Economic Impacts of Sea-Level Rise in Hampton Roads
PDF of powerpoint presentation given at the workshop "The Economic Impacts of Sea-Level Rise in Hampton Roads: An Appraisal of the Projects Underway" on May 18, 2016 at the Virginia Modeling and Simulation Center, 1030 University Blvd, Suffolk, VA 23435
Planning For Slr Resiliency In Virginia Beach,
2016
Dewberry
Planning For Slr Resiliency In Virginia Beach, Brian Batten, Greg Johnson
May 18, 2016: The Economic Impacts of Sea-Level Rise in Hampton Roads
PDF of powerpoint presentation given at the workshop "The Economic Impacts of Sea-Level Rise in Hampton Roads: An Appraisal of the Projects Underway" on May 18, 2016 at the Virginia Modeling and Simulation Center, 1030 University Blvd, Suffolk, VA 23435
Agenda: The Economic Impacts Of Sea-Level Rise In Hampton Roads: An Appraisal Of The Projects Underway,
2016
Old Dominion University
Agenda: The Economic Impacts Of Sea-Level Rise In Hampton Roads: An Appraisal Of The Projects Underway, Virginia Modeling And Simulation Center
May 18, 2016: The Economic Impacts of Sea-Level Rise in Hampton Roads
Agenda for the workshop "The Economic Impacts of Sea-Level Rise in Hampton Roads: An Appraisal of the Projects Underway" on May 18, 2016 at the Virginia Modeling and Simulation Center, 1030 University Blvd, Suffolk, VA 23435
Norfolk Flood Risk Management Study,
2016
U.S. Army Corps of Engineers
Norfolk Flood Risk Management Study, Jason Kelly, Susan Connor, Michelle Hamor, Christine Morris
May 18, 2016: The Economic Impacts of Sea-Level Rise in Hampton Roads
PDF of powerpoint presentation given at the workshop "The Economic Impacts of Sea-Level Rise in Hampton Roads: An Appraisal of the Projects Underway" on May 18, 2016 at the Virginia Modeling and Simulation Center, 1030 University Blvd, Suffolk, VA 23435
Hampton Roads Region Joint Land Use Study,
2016
Navy Region Mid-Atlantic/NAVFAC Mid-Atlantic
Hampton Roads Region Joint Land Use Study, Brian Ballard
May 18, 2016: The Economic Impacts of Sea-Level Rise in Hampton Roads
PDF of powerpoint presentation given at the workshop "The Economic Impacts of Sea-Level Rise in Hampton Roads: An Appraisal of the Projects Underway" on May 18, 2016 at the Virginia Modeling and Simulation Center, 1030 University Blvd, Suffolk, VA 23435. Presenters: Brian Ballard, Michael King, NAVFAC Liaison Officers, Ben McFarlane, HRPDC Planning
Economic Consequences Of Failing To Adapt To Sea Level Rise In The Hampton Roads Region,
2016
RTI International
Economic Consequences Of Failing To Adapt To Sea Level Rise In The Hampton Roads Region, George Van Houtven, Brooks Depro
May 18, 2016: The Economic Impacts of Sea-Level Rise in Hampton Roads
PDF of powerpoint presentation given at the workshop "The Economic Impacts of Sea-Level Rise in Hampton Roads: An Appraisal of the Projects Underway" on May 18, 2016 at the Virginia Modeling and Simulation Center, 1030 University Blvd, Suffolk, VA 23435
