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Articles 1 - 30 of 1811

Full-Text Articles in Physical Sciences and Mathematics

Increasing Use Of Natural And Nature-Based Features To Build Resilience To Storm-Driven Flooding, Final Report, Center For Coastal Resources Management, Virginia Institute Of Marine Science, Pamela Mason, Jessica Hendricks, Julie Herman, Karen Duhring, Carl Hershner Nov 2022

Increasing Use Of Natural And Nature-Based Features To Build Resilience To Storm-Driven Flooding, Final Report, Center For Coastal Resources Management, Virginia Institute Of Marine Science, Pamela Mason, Jessica Hendricks, Julie Herman, Karen Duhring, Carl Hershner

Reports

In coastal Virginia today, local governments are dealing with recurrent flooding driven by coastal storms, exacerbated by rising sea level and increased frequency of intense rain events. At the same time, they are confronted with increasing demands on limited resources to address issues coastal flooding in concert with water quality, wetlands management, shoreline erosion, habitat, and community needs such as infrastructure, flood insurance and open space. One solution is to maximize the protection of existing and implement new natural and nature-based features (NNBFs) to capitalize on the provision of multiple benefits to address many of these coastal issues.

There are …


New Guidance To Build Resiliency And Mitigate For Sea Level Rise As Elements Of The Chesapeake Bay Preservation Act, Pamela Mason, Julie Herman, Christine Tombleson, Jessica Hendricks, Karen Duhring Nov 2022

New Guidance To Build Resiliency And Mitigate For Sea Level Rise As Elements Of The Chesapeake Bay Preservation Act, Pamela Mason, Julie Herman, Christine Tombleson, Jessica Hendricks, Karen Duhring

Reports

The Center for Coastal Resources Management (CCRM), Virginia Institute of Marine Science (VIMS), worked in collaboration with the Virginia Department of Environmental Quality (DEQ) and the Virginia Coastal Policy Center (VCPC) to develop guidance to inform the implementation of Chesapeake Bay Preservation Act (CBPA) regulations promulgated in 2021. The 2021 regulations added provisions to require local governments to consider climate changes, specifically flooding, sea level rise and storms, and the preservation of mature trees in the administration of the CBPA program. Specifically, CCRM developed analytical data using criteria specified in the CBPA regulations, of the National Oceanic and Atmospheric Administration …


Norfolk, Virginia Federal Flood Risk Management Study, Jian Shen, Rico Wang, Mac Sisson Sep 2022

Norfolk, Virginia Federal Flood Risk Management Study, Jian Shen, Rico Wang, Mac Sisson

Reports

The City of Norfolk and Norfolk District, U.S. Army Corps of Engineers (USACE), are partnering to conduct a Coastal Storm Risk Management Study (CSRM) study to determine the Federal interest and feasibility of alternatives to mitigate coastal flooding risk in the City. The CSRM is in the Feasibility Study (FS) phase in which alternatives are proposed and developed to conceptual/preliminary design level, benefit/cost analyses are conducted, and environmental studies are completed to comply with the National Environmental Policy Act (NEPA). The magnitude of the feasibility study will require an Environmental Impact Statement (EIS).

A component of the FS/EIS is the …


Chesapeake Bay National Estuarine Research Reserve In Virginia Management Plan: 2022-2027, W. G. Reay, J. Baber, H. Brooks, A. Demeo, C. T. Friedrichs, C. Gonzales, J. Kuriawa, T. Hooper, S. Lerberg, E. J. Miles, B. Neikirk, S. Nuss, L. Ott, D. Parrish, T. Rudo, E C. Shields, S. Snyder, S. Wood Aug 2022

Chesapeake Bay National Estuarine Research Reserve In Virginia Management Plan: 2022-2027, W. G. Reay, J. Baber, H. Brooks, A. Demeo, C. T. Friedrichs, C. Gonzales, J. Kuriawa, T. Hooper, S. Lerberg, E. J. Miles, B. Neikirk, S. Nuss, L. Ott, D. Parrish, T. Rudo, E C. Shields, S. Snyder, S. Wood

Reports

Established through the Coastal Zone Management Act, the National Estuarine Research Reserve System (NERRS) represents a partnership program between the National Oceanic and Atmospheric Administration (NOAA) and the coastal states to promote informed management of the Nation’s estuaries and habitats. Designated in 1991, and administered by the Virginia Institute of Marine Science (VIMS) of William & Mary, the Chesapeake Bay National Estuarine Research Reserve in Virginia (CBNERR-VA or Reserve) is one of 30 protected areas, which encompass over 1.3 million acres and make up the NERRS.

As the nation's largest estuary, the Chesapeake Bay contains a diverse collection of habitats …


Ecological Monitoring Program At Vims Esl: Annual Report 2021, Paige G. Ross, Richard A. Snyder Mar 2022

Ecological Monitoring Program At Vims Esl: Annual Report 2021, Paige G. Ross, Richard A. Snyder

Reports

An Ecological Monitoring Program (EMP) has been established at the Virginia Institute of Marine Science Eastern Shore Laboratory (VIMS ESL) for the coastal environment near the Wachapreague lab. The goals of the initiative are to 1) provide status and trends information to scientists who study and regulators who manage Virginia’s marine resources, 2) provide a scientific context for short-term research and grant proposals 3) provide pedagogical enrichment for educators to use in their classes, and 4) build capacity in staff expertise and training of interns and students at VIMS ESL.

The program formalizes and standardizes data collection for a long-term …


Monitoring The Abundance Of American Shad And River Herring In Virginia’S Rivers 2021 Annual Report, Eric J. Hilton, Patrick E. Mcgrath, Brian Watkins, Ashleigh Magee Jan 2022

Monitoring The Abundance Of American Shad And River Herring In Virginia’S Rivers 2021 Annual Report, Eric J. Hilton, Patrick E. Mcgrath, Brian Watkins, Ashleigh Magee

Reports

This report describes the results of the twenty-fourth year of a continuing study to estimate the relative abundance and assess the status of American shad (Alosa sapidissima) stocks in Virginia by monitoring the spawning runs in the James, York and Rappahannock rivers in spring 2021, evaluating hatchery programs, and contributing to coast-wide assessments (ASMFC 2007, ASMFC 2020).

We also report on two fishery independent monitoring programs using anchor gillnets in the Rappahannock River (year 4) and the Chickahominy River (year 7; a major tributary of the James River), to determine relative abundance and stock structure for the adult spawning run …


Monitoring The Abundance Of American Shad And River Herring In Virginia’S Rivers 2022 Annual Report, Eric J. Hilton, Patrick E. Mcgrath, Brian Watkins, Ashleigh Magee Jan 2022

Monitoring The Abundance Of American Shad And River Herring In Virginia’S Rivers 2022 Annual Report, Eric J. Hilton, Patrick E. Mcgrath, Brian Watkins, Ashleigh Magee

Reports

This report describes the results of a continuing study to estimate the relative abundance and assess the status of American shad (Alosa sapidissima) stocks in Virginia by monitoring the spawning runs in the James, York and Rappahannock rivers in spring 2022, evaluating hatchery programs and contributing to coast-wide assessments (ASMFC 2007a; ASMFC 2020). We also report on a fishery-independent monitoring program to determine abundance and stock structure of river herring (A. pseudoharengus, and A. aestivalis) in Virginia by evaluating the adult spawning runs in the Chickahominy River, a major tributary of the James River, and the Rappahannock River. Further, a …


An Odd-Protocol For Agent-Based Model For The Spread Of Covid-19 In Ireland, Elizabeth Hunter, John D. Kelleher Jan 2022

An Odd-Protocol For Agent-Based Model For The Spread Of Covid-19 In Ireland, Elizabeth Hunter, John D. Kelleher

Reports

No abstract provided.


Center For Coastal Resources Management Annual Report 2021, Center For Coastal Resources Management Jan 2022

Center For Coastal Resources Management Annual Report 2021, Center For Coastal Resources Management

Reports

No abstract provided.


From The Subsurface To The Sky: Tracking Groundwater With Drones, Stephanie Wilson Jan 2022

From The Subsurface To The Sky: Tracking Groundwater With Drones, Stephanie Wilson

Reports

Grades: High School Subjects: Earth Science | Physical Science

Determining the inputs of nitrogen to coastal waters from drone based radiometric temperature data.

Topics covered:

  • Technology and radiometric imagery
  • Drones in science
  • Groundwater
  • Nutrients / pollutants
  • Water cycle/ Watersheds


Characterization Of Nursery Habitats Used By Black Sea Bass And Summer Flounder In Chesapeake Bay And The Coastal Lagoons, Mary C. Fabrizio, Troy D. Tuckey, Shannon C. Smith, Paige G. Ross, Richard A. Snyder, Harry V. Wang, Aaron J. Bever Jan 2022

Characterization Of Nursery Habitats Used By Black Sea Bass And Summer Flounder In Chesapeake Bay And The Coastal Lagoons, Mary C. Fabrizio, Troy D. Tuckey, Shannon C. Smith, Paige G. Ross, Richard A. Snyder, Harry V. Wang, Aaron J. Bever

Reports

Update when report received and remove placeholder PDF with report


Drones In The Coastal Zone, Center For Coastal Resources Management, Virginia Institute Of Marine Science Jan 2022

Drones In The Coastal Zone, Center For Coastal Resources Management, Virginia Institute Of Marine Science

Reports

Rivers & Coast is a periodic publication of the Center for Coastal Resources Management, Virginia Institute of Marine Science. The goal of Rivers & Coast is to keep readers well informed of current scientific understanding behind key environmental issues related to watershed rivers and coastal ecosystems of the Chesapeake Bay.


Shifting Sands: Coastal Dunes In Motion, Elizabeth Davis Jan 2022

Shifting Sands: Coastal Dunes In Motion, Elizabeth Davis

Reports

Grades: 5+ Subjects: General Science, Geology, Environmental Science

Students will use “before & after” dune profile graphics to determine how the dune has changed and hypothesize why this change occurred.


Killer From The Deep!, Tor Mowatt-Larssen Jan 2022

Killer From The Deep!, Tor Mowatt-Larssen

Reports

Grades: 6-12 Subjects: Life Science | Ecology


Explore the deep-sea environment and biological adaptations to living in the deep sea through murder-mystery investigation and graphing activities.


How Resilient Is It? The Resilience Quotient Zoning Ordinance, Qiong Wang, Yao Wang Jan 2022

How Resilient Is It? The Resilience Quotient Zoning Ordinance, Qiong Wang, Yao Wang

Reports

Grades: 9-12 Subjects: Environmental Science, Earth Science, Oceanography


The Resilience Quotient (RQ) system uses zoning ordinance to address coastal resilience development issues in the city of Norfolk, Virginia. This lesson plan goes through key resilience concepts and its strategies that can promote flood risk reduction, stormwater management, and energy resilience. The activity provides several scenarios to help students understand, simulate, visualize, discuss, and practice how the Resilience Quotient works for coastal developments in the city.


Virginia Seafood Sustainability, Samantha E. Askin, Robert A. Fisher Oct 2021

Virginia Seafood Sustainability, Samantha E. Askin, Robert A. Fisher

Reports

Virginia’s commercial fisheries operate sustainability under a suite of management tools based upon information received from marine scientists and fishery managers who regularly conduct biological sampling of fish while tracking commercial landings and other gathering of required information. Analyses of fishing effort and overall stock conditions, as well as formulas designed to calculate threshold limits for maintaining sustainable stocks are regularly performed. Restrictions on seasons, size, days at sea, and gear are imposed as needed to achieve management supporting long-term biological sustainability.


Parrotts Creek Dredge Channel Data Report, Donna A. Milligan, C. Scott Hardaway Jr., Christine A. Wilcox, Cameron W. Green Sep 2021

Parrotts Creek Dredge Channel Data Report, Donna A. Milligan, C. Scott Hardaway Jr., Christine A. Wilcox, Cameron W. Green

Reports

Parrotts Creek is located along the Rappahannock River in Middlesex County, VA. The mouth of the creek is about 850 ft wide, but just inside the mouth of the creek, a spit extends from the upland narrowing the creek to about 300 ft before it widens again. Overall, this is a relatively short, undeveloped creek. Most of the development (wharfs, ramps, piers) occur near the mouth. Most of the more inland areas of the creek are surrounded by woodland. The federally-authorized channel was established in 1955 due to the presence of a public ramp and landing area, as well as …


Data Collection At Fifteen Selected Creeks In Support Of Shallow Water Dredging On Virginia’S Middle Peninsula - Methods & Data Report, Nicholas J. Dinapoli, Donna A. Milligan, C. Scott Hardaway Jr., Christine A. Wilcox, Cameron Green, Scott Lerberg, Eduardo J. Miles, Alex Demeo, George Brooks Sep 2021

Data Collection At Fifteen Selected Creeks In Support Of Shallow Water Dredging On Virginia’S Middle Peninsula - Methods & Data Report, Nicholas J. Dinapoli, Donna A. Milligan, C. Scott Hardaway Jr., Christine A. Wilcox, Cameron Green, Scott Lerberg, Eduardo J. Miles, Alex Demeo, George Brooks

Reports

Federal funding has been historically available for the Army Corps of Engineers for shallow draft navigation projects. However, past and recent subsidies have not provided ample funding at levels to sustain maintenance dredging for the 17 federal navigation channels on the Middle Peninsula. Further, funding for maintenance of non-federal channels has been historically neglected by the Commonwealth of Virginia until the Virginia General Assembly established the Virginia Waterway Maintenance Fund in 2018. For the past decade the Middle Peninsula Chesapeake Bay Public Access Authority, the Middle Peninsula Planning District Commission and its member jurisdictions, and the Virginia Institute of Marine …


Winter Harbor Dredge Channel Data Report, Donna A. Milligan, C. Scott Hardaway Jr., Christine A. Wilcox, Cameron Green Sep 2021

Winter Harbor Dredge Channel Data Report, Donna A. Milligan, C. Scott Hardaway Jr., Christine A. Wilcox, Cameron Green

Reports

Winter Harbor is a tidal creek that flows between a sandy barrier system and an eroding marsh shoreline. It is an important waterway that provides access to the Chesapeake Bay from the Winter Harbor watershed. In the past, Winter Harbor Inlet was the only hydraulic connection from the Winter Harbor watershed and Chesapeake Bay. The two open water areas of Winter Harbor were separated by marsh channels that hydraulically connected to the mouth at the present-day Winter Harbor Inlet. The federally-defined channel at Winter Harbor was authorized by Congress in 1950. It was authorized as a 12 feet (ft) deep, …


Cedarbush Creek Dredge Channel Data Report, Donna A. Milligan, C. Scott Hardaway Jr., Christine A. Wilcox, Cameron Green Sep 2021

Cedarbush Creek Dredge Channel Data Report, Donna A. Milligan, C. Scott Hardaway Jr., Christine A. Wilcox, Cameron Green

Reports

Cedarbush Creek is located in Gloucester County, Virginia. It is a long, but narrow creek that empties into the York River. The mouth is a wide embayment, but farther north, the creek narrows to about 400 feet wide and extends for about 1.5 miles to its marshy headwaters. Cedarbush Creek has never been dredged, but due to shoaling within the creek, it needs dredging to accommodate vessel traffic. Oliver’s Landing, located near the mouth of Cedarbush Creek, is a working waterfront that supports commercial and recreational boaters in Gloucester. (...)


Predicting Flow Through The Causeway Of The Great Salt Lake Using Hydrodynamic Simulations And Artificial Neural Networks, Som Dutta, Brian Mark Crookston, Michael Rasmussen, Eric Larsen Jul 2021

Predicting Flow Through The Causeway Of The Great Salt Lake Using Hydrodynamic Simulations And Artificial Neural Networks, Som Dutta, Brian Mark Crookston, Michael Rasmussen, Eric Larsen

Reports

At the Great Salt Lake, the northern and southern portions of the lake are divided by an east-to-west causeway that disrupts natural lake currents and significantly increases salt concentrations in the norther portion. To support management efforts to address rising environmental and economic concerns, the causeway was recently modified to include a new breach that typically exhibits a strong density-driven bidirectional flow pattern. To obtain much needed insights into the hydraulic performance of this hydraulic structure and the exchange between the two sections of the lake, a field campaign coupled with computational fluid dynamics (CFD) modeling and an artificial neural …


Living Shoreline Sea-Level Resiliency: Performance And Adaptive Management Of Existing Sites Year 3 Summary Report, Donna A. Milligan, C. Scott Hardaway Jr., Christine A. Wilcox, Nick J. Dinapoli Jul 2021

Living Shoreline Sea-Level Resiliency: Performance And Adaptive Management Of Existing Sites Year 3 Summary Report, Donna A. Milligan, C. Scott Hardaway Jr., Christine A. Wilcox, Nick J. Dinapoli

Reports

The focus of this study was to research the resiliency of rock/sand/plant living shoreline protection systems. These systems have been used in Chesapeake Bay for 40 years to reduce erosion, protect infrastructure, and create habitat that is disappearing from the shoreline as sea level rises. The goal was to determine how they have been affected by storm surge and associated wind-driven waves, sea-level rise. This data informed adaptive management strategies to create site-specific morphologically-resilient projects.

The objectives of this 3-year project is monitoring the effectiveness of nature-based resilience projects over time such as those that use hybrid living shoreline management …


Dredging Implementation Prioritization And Management For Middle Peninsula Shallow Draft Channels, Donna A. Milligan, C. Scott Hardaway Jr., Christine A. Wilcox, Nicholas J. Dinapoli Apr 2021

Dredging Implementation Prioritization And Management For Middle Peninsula Shallow Draft Channels, Donna A. Milligan, C. Scott Hardaway Jr., Christine A. Wilcox, Nicholas J. Dinapoli

Reports

To develop a regional dredging program for the localities of the Middle Peninsula, a database of 120 creeks and rivers was created of its waterbodies from Tappahannock to West Point. Generally, these waterbodies can be categorized into three basic types of shallow draft channels: federally-defined, non-federal with ATONs (aids to Navigation) and non-federal without ATONs. For the Middle Peninsula there are 13 federal channels, 12 non-federal channels in creeks with ATONs, and 94 in creeks without defined channels or ATONs.

Physical parameter data was collected or created for each of these creeks. This data included creek mouth morphology, amount of …


Ecological Monitoring Program At Vims Esl : Annual Report 2020, Paige G. Ross, Richard A. Snyder Apr 2021

Ecological Monitoring Program At Vims Esl : Annual Report 2020, Paige G. Ross, Richard A. Snyder

Reports

An Ecological Monitoring Program (EMP) has been established at the Virginia Institute of Marine Science Eastern Shore Laboratory (VIMS ESL) for the coastal environment near the Wachapreague lab. The goals of the initiative are to 1) provide status and trends information to scientists who study and regulators who manage Virginia’s marine resources, 2) provide a scientific context for short-term research and grant proposals 3) provide pedagogical enrichment to educators for their classes, and 4) build capacity in staff expertise and training of interns and students at VIMS ESL.

The program formalizes and standardizes data collection for a long-term status and …


Expanding The Use Of Natural And Nature-Based Infrastructure To Enhance Coastal Resiliency, Marcia Berman, Pamela Mason, Jessica Hendricks, Tamia Rudnicky Apr 2021

Expanding The Use Of Natural And Nature-Based Infrastructure To Enhance Coastal Resiliency, Marcia Berman, Pamela Mason, Jessica Hendricks, Tamia Rudnicky

Reports

The vulnerability of coastal communities and the growing risks of coastal infrastructure continue largely due to past and ongoing patterns of development in high risk areas. This project is focused on increasing the use of natural and nature-based features (NNBFs) to increase resilience of coastal communities to flooding caused by extreme weather events.


Water Quality In Accomack County Freshwater Streams 2020, Richard A. Snyder, Paige G. Ross Feb 2021

Water Quality In Accomack County Freshwater Streams 2020, Richard A. Snyder, Paige G. Ross

Reports

Expansion of poultry house operations and use of litter as a soil amendment in Accomack County Virginia has raised concerns for water quality impacts on both seaside and bayside of the Eastern Shore of Virginia (ESVA). This ongoing investigation is examining freshwater stream water quality in Accomack Virginia to identify water quality impairments from poultry operation storm water runoff. Previous sampling data from 2019 has been integrated into this report. Sampling in 2020 followed an extended drought period (base flow) and two inch rainfall events (storm flow) in streams at road crossings in Accomack County Bayside and Seaside drainages. Dissolved …


Surface Water Nitrogen Attenuation From The Accomack County, Va Southern Landfill Groundwater Discharge - Final Report, Richard A. Snyder, Paige G. Ross Feb 2021

Surface Water Nitrogen Attenuation From The Accomack County, Va Southern Landfill Groundwater Discharge - Final Report, Richard A. Snyder, Paige G. Ross

Reports

Previous sampling of the stream crossing Bobtown Road (Rt 178) near the intersection of Hollies Church Road (Rt. 620), had indicated high levels of nitrogen in the stream flow (Snyder and Ross, 2019a). The proximity of the retired Accomack County Landfill upstream of the site triggered a higher resolution sampling of the stream in an attempt to isolate a source of the nitrogen loading (Snyder and Ross, 2019b). Accomack County has requested repeated sampling of this stream segment to monitor nutrient attenuation trends from the site, and stations were established for that purpose. This Final Report provides a summary of …


The Status Of Virginia’S Public Oyster Resource 2020, Melissa Southworth, Roger L. Mann Feb 2021

The Status Of Virginia’S Public Oyster Resource 2020, Melissa Southworth, Roger L. Mann

Reports

The Virginia Institute of Marine Science (VIMS) monitors recruitment of the Eastern oyster, Crassostrea virginica (Gmelin, 1791), annually from late spring through early fall, by deploying spatfall[1] (settlement and recruitment of larval oysters to the post metamorphic form termed spat) collectors (shellstrings) at various sites in three Virginia western Chesapeake Bay tributaries. The survey provides an estimate of a particular area’s potential for receiving a "strike" or settlement (set) of oysters on the bottom and helps describe the timing of recruitment events in a given year. Information obtained from this monitoring effort provides an overview of long-term recruitment …


Monitoring The Abundance Of American Shad And River Herring In Virginia’S Rivers 2020 Annual Report, Eric J. Hilton, Patrick E. Mcgrath, Brian Watkins, Ashleigh Magee Jan 2021

Monitoring The Abundance Of American Shad And River Herring In Virginia’S Rivers 2020 Annual Report, Eric J. Hilton, Patrick E. Mcgrath, Brian Watkins, Ashleigh Magee

Reports

This report describes the results of the twenty-third year of a continuing study to estimate the relative abundance and assess the status of American shad (Alosa sapidissima) stocks in Virginia by monitoring the spawning runs in the James, York and Rappahannock rivers in spring 2020, evaluating hatchery programs, and contributing to coast-wide assessments (ASMFC 2007, ASMFC 2020).

We also report on two fisheryindependent monitoring programs using anchor gillnets in the Rappahannock River (year 3) and the Chickahominy River (year 6; a major tributary of the James River), to determine relative abundance and stock structure for the adult spawning run of …


Existing Competencies In The Teaching Of Ethics In Computer Science Faculties, Ethics4eu Consortium Jan 2021

Existing Competencies In The Teaching Of Ethics In Computer Science Faculties, Ethics4eu Consortium

Reports

This report is one of the deliverables for the Ethics4EU project. It presents results obtained from a survey conducted in early 2020 that polled faculty from Computer Science and related disciplines on teaching practices in Computer Ethics in Computer Science across Europe. The survey was completed by respondents from 61 universities across 23 European countries. Participants were surveyed on whether or not Computer Ethics is taught to Computer Science students at each institution, the reasons why Computer Ethics is or is not taught, how Computer Ethics is taught (for example, as a standalone course or embedded within other courses), the …