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Articles 781 - 810 of 1761

Full-Text Articles in Oceanography and Atmospheric Sciences and Meteorology

Slides: Winter, Wilderness & Climate: Threats & Solutions, Jim Ramey, Lindsay Bourgoine Oct 2016

Slides: Winter, Wilderness & Climate: Threats & Solutions, Jim Ramey, Lindsay Bourgoine

Winter, Wilderness, and Climate--Threats and Solutions (October 12)

Presenters:

Jim Ramey, The Wilderness Society

Lindsay Bourgoine, Protect Our Winters

56 slides


Protecting The Most Vulnerable, Joshua G. Behr Oct 2016

Protecting The Most Vulnerable, Joshua G. Behr

VMASC Publications

No abstract provided.


Weights And Balances: Integrating Models For Prevention And Response To Southern California Offshore Oil Spills, Carmen Watts Clayton, Amoret Bunn Oct 2016

Weights And Balances: Integrating Models For Prevention And Response To Southern California Offshore Oil Spills, Carmen Watts Clayton, Amoret Bunn

STAR Program Research Presentations

Licensing offshore oil and gas reserves in the United States waters are overseen by the U.S. Department of the Interior’s Bureau of Safety and Enforcement (BSEE). The licensing application includes planning for any worst-case oil spill scenario between BSEE and the applicant based on lessons learned from historic offshore spills such as the Deepwater Horizon (2010), Exxon Valdez (1989), and the Union Oil Platform Blowout (1969). The process for planning to respond to oil spills involves coordination with multiple agencies, trustees, and stakeholders to ensure that oil spill responses consider multiple factors, including ecologically sensitive species, commercial transportation and fisheries, …


A Study Of Defensive Mechanisms Employed By Two Species Of Nudibranchs Using Toxicity And Unpalatability Analyses, Sean Youn Oct 2016

A Study Of Defensive Mechanisms Employed By Two Species Of Nudibranchs Using Toxicity And Unpalatability Analyses, Sean Youn

Independent Study Project (ISP) Collection

Nudibranchs are marine invertebrates that have developed an intriguing defense mechanism, including warning coloration and the use of chemicals accumulated through their sponge diet. The goal of this study was to determine whether the strength of chemical defenses differs between dietary and accumulated secondary metabolites for two species: Glossodoris vespa and Ceratosoma brevicaudatum. First, NMR spectroscopy was used to not only identify specific compounds in the mantle (outer covering) and the viscera (gut) but also to analyze the possibility of nudibranch species transporting more toxic compounds for defensive purposes. Next, toxicity (brine shrimp) and palatability (Palaemon shrimp) assays were used …


Coral Disease In Chumbe Island Coral Park: A Baseline Survey Of The Prevalence Of Coral Disease And Other Afflictions Within Chumbe Marine Protected Area, Hannah Turley Oct 2016

Coral Disease In Chumbe Island Coral Park: A Baseline Survey Of The Prevalence Of Coral Disease And Other Afflictions Within Chumbe Marine Protected Area, Hannah Turley

Independent Study Project (ISP) Collection

Coral mortality from disease and other afflictions is a rising concern for reefs around the world. The aim of this study was to provide to a baseline for the prevalence of coral disease and other afflictions, which indicate compromised coral health, in Chumbe Island Coral Park, Zanzibar, Tanzania. Chumbe's reef experienced a widespread bleaching event earlier this year and this baseline study will provide a starting point to see how the bleaching event affected the prevalence of disease and other afflictions within the reef. A baseline study will also allow the park to investigate if their current monitoring procedures are …


Urban Heat Islands As Viewed By Microwave Radiometers And Thermal Time Indices, Lan H. Nguyen, Geoffrey M. Henebry Oct 2016

Urban Heat Islands As Viewed By Microwave Radiometers And Thermal Time Indices, Lan H. Nguyen, Geoffrey M. Henebry

GSCE Faculty Publications

Urban heat islands (UHIs) have been long studied using both ground-based observations of air temperature and remotely sensed thermal infrared (TIR) data. While ground-based observations lack spatial detail even in the occasional “dense” urban network, skin temperature retrievals using TIR data have lower temporal coverage due to revisit frequency, limited swath width, and cloud cover. Algorithms have recently been developed to retrieve near-surface air temperatures using microwave radiometer data, which enables characterization of UHIs in metropolitan areas, major conurbations, and global megacities at regional to continental scales using temporally denser time series than those that have been available from TIR …


Fish Diversity And Coral Health Of Tanzania's Reefs: A Comparative Study Between The Ushongo Village Reef And The Fungu Zinga Reef Over Time, Della Turque, Corinne Casper Oct 2016

Fish Diversity And Coral Health Of Tanzania's Reefs: A Comparative Study Between The Ushongo Village Reef And The Fungu Zinga Reef Over Time, Della Turque, Corinne Casper

Independent Study Project (ISP) Collection

The world’s oceans are becoming increasing acidic due to global climate change, posing a threat to marine ecosystems, including coral carbonate systems. Environmental threats are exacerbated by human development stressors as well: growing populations, dependency on marine resources, and unsustainable practices invaluable marine ecosystems at risk. Tanzania’s coral reef system extends for 3580 km2 (Muhando et al. 2008) near the Tanga region, serving over half a million people who are highly dependent on fishing and other marine resources as their livelihoods (Samoilys et. al. 2008). With Tanzania’s population rapidly growing, the unsustainable pressure on coral reefs for sustenance and livelihood …


Hampton Roads Sea Level Rise Preparedness And Resilience Intergovernmental Pilot Project. Phase 2 Report: Recommendations, Accomplishments And Lessons Learned, Emily E. Steinhilber, Maura Boswell, Carol Considine, Larry Mast Oct 2016

Hampton Roads Sea Level Rise Preparedness And Resilience Intergovernmental Pilot Project. Phase 2 Report: Recommendations, Accomplishments And Lessons Learned, Emily E. Steinhilber, Maura Boswell, Carol Considine, Larry Mast

Hampton Roads Intergovernmental Pilot Project: Reports

Executive Summary

After two years, the Hampton Roads Sea level Rise and Resilience Intergovernmental Planning Pilot Project (Intergovernmental Pilot Project or IPP), convened at Old Dominion University, has come to a successful close. Although the conclusion of the project is different than originally imagined by the drafters of the IPP Charter, the process in and of itself brought hundreds of stakeholders together, built lasting and ongoing relationships, and produced many workable recommendations for the region that can be accomplished by a variety of partnerships. The key deliverables include a whole of government mitigation and adaptation planning process and an integrated …


Coastal Groundwater Watch: A Citizen Science Project - Report No. 477, Alex Manda, Thomas Allen Oct 2016

Coastal Groundwater Watch: A Citizen Science Project - Report No. 477, Alex Manda, Thomas Allen

Political Science & Geography Faculty Publications

The goals of this study were to utilize citizen scientists in groundwater research in a coastal community where groundwater plays a large role in sustainable water resources management, and assess the extent of groundwater and marine inundation in response to future sea-level rise scenarios. A total of 7 citizen scientists participated in the study by measuring water levels from 15 groundwater monitoring wells using water level meters once a week over a 10-week period. Automated water level loggers were deployed in three of the same wells to assess the quality of the data collected by the citizen scientists. Additional water …


The Effects Of Sub-Lethal Predation On The Reproductive Output Of Acanthaster Planci (Crown-Of-Thorns Starfish), Emily Mucha Oct 2016

The Effects Of Sub-Lethal Predation On The Reproductive Output Of Acanthaster Planci (Crown-Of-Thorns Starfish), Emily Mucha

Independent Study Project (ISP) Collection

Wide-scale declines in live coral cover have been observed throughout history. Modern day coral populations face a multitude of environmental disturbances, however one of the most devastating to the reefs in the Indo-Pacific is the crown-of-thorns starfish (Acanthaster planci), which feeds on the tissues of live corals. The rate at which these individuals feed combined with the explosion of populations in times of outbreak have been seen to exert some of the biggest pressures on coral reefs to date. Following recent episodes of crown-of-thorns starfish (COTS) outbreaks, research on the organism has become increasingly prevalent on the scientific …


Cartographic Potential Of New Technologies: Hu:Care, William B. Moore Sep 2016

Cartographic Potential Of New Technologies: Hu:Care, William B. Moore

September 29, 2016: Adaptive Structures and Innovative Solutions

No abstract provided.


Climate Change Is The Reason We Need For Resiliency, Michael Allen Aug 2016

Climate Change Is The Reason We Need For Resiliency, Michael Allen

News Items

Guest editorial by Michael Allen concerning the draft of the Norfolk Vision 2100 by the Norfolk Planning Department.


Measurement Of The Ocean Economy From National Income Accounts To The Sustainable Blue Economy, Charles S. Colgan Aug 2016

Measurement Of The Ocean Economy From National Income Accounts To The Sustainable Blue Economy, Charles S. Colgan

Journal of Ocean and Coastal Economics

The widespread efforts to incorporate the economic values of oceans into national income accounts have reached a stage where coordination of national efforts is desirable. A symposium held in 2015 began this process by bringing together representatives from ten countries. The symposium concluded that a definition of core ocean industries was possible but beyond that core the definition of ocean industries is in flux. Better coordination of ocean income accounts will require addressing issues of aggregation, geography, partial ocean industries, confidential, and imputation is also needed. Beyond the standard national income accounts, a need to incorporate environmental resource and ecosystem …


A Comparison Of Tropical Rainforest Phenology Retrieved From Geostationary (Seviri) And Polar-Orbiting (Modis) Sensors Across The Congo Basin, Dong Yan, Xiaoyang Zhang, Yunyue Yu, Wei Guo Aug 2016

A Comparison Of Tropical Rainforest Phenology Retrieved From Geostationary (Seviri) And Polar-Orbiting (Modis) Sensors Across The Congo Basin, Dong Yan, Xiaoyang Zhang, Yunyue Yu, Wei Guo

GSCE Faculty Publications

The seasonal and interannual dynamics of tropical rainforests play a critical role in the global carbon cycle and climate change. This paper retrieved and compared land surface phenology from observations acquired by the Spinning Enhanced Visible and Infrared Imager (SEVIRI) onboard geostationary satellites and the Moderate Resolution Imaging Spectroradiometer (MODIS) on polar-orbiting satellites over the Congo Basin. To achieve this,we first retrieved canopy greenness cycles (CGCs) and their transition timing from two-band enhanced vegetation index (EVI2) derived from SEVIRI and MODIS data between 2006 and 2013.We then assessed the influences of SEVIRI and MODIS data quality on the reconstruction of …


Tornado Density And Return Periods In The Southeastern United States: Communicating Risk And Vulnerability At The Regional And State Levels, Michelle Bradburn Aug 2016

Tornado Density And Return Periods In The Southeastern United States: Communicating Risk And Vulnerability At The Regional And State Levels, Michelle Bradburn

Electronic Theses and Dissertations

Tornado intensity and impacts vary drastically across space, thus spatial and statistical analyses were used to identify patterns of tornado severity in the Southeastern United States and to assess the vulnerability and estimated recurrence of tornadic activity. Records from the Storm Prediction Center's tornado database (1950-2014) were used to estimate kernel density to identify areas of high and low tornado frequency at both the regional- and state-scales. Return periods (2-year, 5-year, 10-year, 25-year, 50-year, and 100-year) were calculated at both scales as well using a composite score that included EF-scale magnitude, injury counts, and fatality counts. Results showed that the …


Elevation Data And Mapping Updates, Doug Marcy Jul 2016

Elevation Data And Mapping Updates, Doug Marcy

July 29, 2016: The Latest in Sea Level Rise Science

No abstract provided.


Street Level Predictive Modeling Of Nuisance Flooding In Norfolk, Va, Jon Derek Loftis, Harry V. Wang, David R. Forrest, William 'Skip' A. Stiles Jul 2016

Street Level Predictive Modeling Of Nuisance Flooding In Norfolk, Va, Jon Derek Loftis, Harry V. Wang, David R. Forrest, William 'Skip' A. Stiles

July 29, 2016: The Latest in Sea Level Rise Science

No abstract provided.


Agenda, Hr Adaptation Forum Jul 2016

Agenda, Hr Adaptation Forum

July 29, 2016: The Latest in Sea Level Rise Science

No abstract provided.


Ua66 Ogden College Of Science & Engineering Newsletter, Cheryl Stevens, Dean Jul 2016

Ua66 Ogden College Of Science & Engineering Newsletter, Cheryl Stevens, Dean

Ogden College of Science & Engineering Publications

No abstract provided.


Wartime Construction Project Outcomes As A Function Of Contract Type, Ryan M. Hoff, Gregory D. Hammond, Peter P. Feng, Edward D. White Jul 2016

Wartime Construction Project Outcomes As A Function Of Contract Type, Ryan M. Hoff, Gregory D. Hammond, Peter P. Feng, Edward D. White

Faculty Publications

The United States has spent more than $23 billion on construction in Afghanistan since 2001. The dynamic security situation created substantial project uncertainty, and many construction projects used cost-plus-fixed-fee contracts (CPFF) instead of the firm-fixed-price (FFP) norm. Using a dataset of 25 wartime construction projects managed by the Air Force Civil Engineer Center, the authors sought to confirm that both contract types yield project outcomes consistent with the established literature. As expected, they found CPFF contracts had greater cost and schedule growth than FFP. However, they did not find differences regarding as-built quality. Additionally, the authors sought to determine whether …


Steinhilber Outlines Odu's Multidisciplinary Sea Level Rise Research At Virginia Beach Forum, Brendan O'Hallarn Jun 2016

Steinhilber Outlines Odu's Multidisciplinary Sea Level Rise Research At Virginia Beach Forum, Brendan O'Hallarn

News Items

No abstract provided.


Slides: The Colorado And Murray-Darling Panel Discussion, Brad Udall Jun 2016

Slides: The Colorado And Murray-Darling Panel Discussion, Brad Udall

Coping with Water Scarcity in River Basins Worldwide: Lessons Learned from Shared Experiences (Martz Summer Conference, June 9-10)

Presenter: Brad Udall, Senior Scientist/Scholar, Colorado State University

12 slides


Slides: Dam Operations: Does A Changing World Call For Changing Plans?, Reed D. Benson Jun 2016

Slides: Dam Operations: Does A Changing World Call For Changing Plans?, Reed D. Benson

Coping with Water Scarcity in River Basins Worldwide: Lessons Learned from Shared Experiences (Martz Summer Conference, June 9-10)

Presenter: Reed D. Benson, University of New Mexico School of Law

13 slides


Slides: Learning From Drought Crises In Federations: Principles, Indicators And Lessons Learned, Lucia De Stefano, Dustin Garrick, Daniel Connell Jun 2016

Slides: Learning From Drought Crises In Federations: Principles, Indicators And Lessons Learned, Lucia De Stefano, Dustin Garrick, Daniel Connell

Coping with Water Scarcity in River Basins Worldwide: Lessons Learned from Shared Experiences (Martz Summer Conference, June 9-10)

Presenters:

Lucia De Stefano, Complutense Universidad de Madrid

Dustin Garrick, McMaster University/University of Oxford

Daniel Connell, Australia National University

27 slides


Slides: Data Sharing And River Basin Modelling: From The Colorado To The Nile, Kevin Wheeler Jun 2016

Slides: Data Sharing And River Basin Modelling: From The Colorado To The Nile, Kevin Wheeler

Coping with Water Scarcity in River Basins Worldwide: Lessons Learned from Shared Experiences (Martz Summer Conference, June 9-10)

Presenter: Kevin Wheeler, University of Oxford

29 slides


Slides: Water Allocation And Water Markets In Spain, Nuria Hernández-Mora Jun 2016

Slides: Water Allocation And Water Markets In Spain, Nuria Hernández-Mora

Coping with Water Scarcity in River Basins Worldwide: Lessons Learned from Shared Experiences (Martz Summer Conference, June 9-10)

Presenter: Nuria Hernández Mora, Universidad de Sevilla, Spain

22 slides


Slides: Drought In The Murray Darling Basin: A 100 Year Perspective, Daniel Connell Jun 2016

Slides: Drought In The Murray Darling Basin: A 100 Year Perspective, Daniel Connell

Coping with Water Scarcity in River Basins Worldwide: Lessons Learned from Shared Experiences (Martz Summer Conference, June 9-10)

Presenter: Daniel Connell, Australian National University

22 slides


Slides: Drought In Federations: The Rio Grande, Adrian Oglesby Jun 2016

Slides: Drought In Federations: The Rio Grande, Adrian Oglesby

Coping with Water Scarcity in River Basins Worldwide: Lessons Learned from Shared Experiences (Martz Summer Conference, June 9-10)

Presenter: Adrian Oglesby, Director, Utton Transboundary Resources Center, University of New Mexico School of Law

4 slides


Slides: The Era Of River Anthropology: Social And Eco-Hydrological Science Connections And Capacity For Environmental Flows: Us Case Studies, Joseph E. Flotemersch, Lisa-Perras Gordon Jun 2016

Slides: The Era Of River Anthropology: Social And Eco-Hydrological Science Connections And Capacity For Environmental Flows: Us Case Studies, Joseph E. Flotemersch, Lisa-Perras Gordon

Coping with Water Scarcity in River Basins Worldwide: Lessons Learned from Shared Experiences (Martz Summer Conference, June 9-10)

Presenter: Joe Flotemersch, US Environmental Protection Agency (EPA), Office of Research and Development

21 slides


Slides: Politics Of Interstate Water Cooperation And Conflicts: The Case Of Krishna River, India, Srinivas Chokkakula Jun 2016

Slides: Politics Of Interstate Water Cooperation And Conflicts: The Case Of Krishna River, India, Srinivas Chokkakula

Coping with Water Scarcity in River Basins Worldwide: Lessons Learned from Shared Experiences (Martz Summer Conference, June 9-10)

Presenter: Srinivas Chokkakula, Centre for Policy Research, New Delhi; Research Fellow, SOAS, University of London

16 slides