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physical/geo. processes

Coastal Topics Catalog: Physical/Geological Processes

research projects
A Study of Dissolved Oxygen Impairment, North Branch of Onancock Creek, Accomack County, Virginia
The goal of the TMDL program is to establish a three-step path that will lead to attainment of water quality standards. The first step in the process is to develop TMDLs that will result in meeting water quality standards. The second step is to develop a TMDL implementation plan. The final step is to implement the TMDL implementation plan, and to monitor water quality to determine if water quality standards are being attained.

Determination of Minimal Instream Flow for Recreational Use
Recreational canoeists established a network of gages in the 1970’s that reflect stream levels on Virginia’s rivers. This network of gages depicts at what level canoeing would become impracticable. As such, this is a potential measure of minimal instream flow requirements for recreational boating. This project uses the established network of gages and GPS technology to tie them to elevation benchmarks in order to relate the depicted stream levels to USGS stream gage data.

Estuarine Suspended Sediment Loads and Sediment Budgets in Tributaries of Chesapeake Bay
The purpose of the project was to identify estuarine sediment transport processes and estimate sediment loads and sediment budgets for the major tributaries of the Bay.

Estuarine Suspended Sediment Loads and Sediment Budgets in Tributaries of Chesapeake Bay
The purpose of the project was to identify estuarine sediment transport processes and estimate sediment loads and sediment budgets for the major tributaries of the Bay.

Karst Ecosystem Conservation project, WB/GEF grant project in Croatia Karst Ecosystem Conservation
The strategic objective of the NSAP regarding the karst and underground ecosystems conservation is to 'preserve the present values of the biological and landscape diversity of the karst as an area of global value, and secure a balanced management of all natural resources of the area'.

Rappahannock County Riparian Buffers
Rappahannock County has a rural landscape that presents the opportunity to record baseline conditions of riparian buffers. This study involved analyzing a small drainage area in the Upper Thornton River watershed to offer guidance on targeting riparian buffer restoration.

Seasonal Monitoring, Fecal Coliform Loads, Lynnhaven River System
A collecting and sampling program was developed for fecal coliform following runoff events in the Lynnhaven River System. This information will be used to support water quality and TMDL modeling.

Tidal Sediment Yield Estimate Methodology in Virginia for the Chesapeake Bay Program Water Quality Model
The purpose of this report is to assess the present methods used to calculate sediment loading from tidal shoreline erosion that is input to the Chesapeake Bay Water Quality Model (WQM).

science publications
Estuarine surface water allocation: A case study on the interactive role of science in support of management
A novel approach to modeling entrainment probabilities applicable to situations that lack a locally validated hydrodynamic model. The science/management interplay ultimately resulted in surface water allocation strategies that are balances to society and the affected natural environment.

Hypoxia in a Coastal Embayment of the Chesapeake Bay: A Model Diagnostic Study of Oxygen Dynamics
A research paper discussing dissolved oxygen levels in Onancock Creek, Virginia.

Plant Adaptations to Saturated Soils and the Formation of Hypertrophied Lenticels and Adventitious Roots in Woody Species
A wetlands technical report on determining the extent of forested wetlands using analysis of roots and hypertrophied lenticels.

Virginia Shoreline Classification
Using basic geomorphic characteristics of the coastal landscape, the shoreline of coastal plain of Virginia is being classified. The selected characteristics will serve as indicators of shoreline stability, potential management strategies, and current and future vulnerability. This is a regional assessment and is not intended for application to parcel level shoreline management issues.

Wetlands of Virginia: total, isolated and headwater
A special CCRM report that focuses on various types of wetlands - especially isolated and headwater wetlands.

map products
Remote Sensing of River Bed Structure, Rappahannock River - Assessment of Habitat
Very high resolution imagery captured during extremely low stands in water levels are being processed to determine river bed characteristics. Image recognition software is being tested as a method for classifying riverbed morphology and composition. The data are being sought as a preliminary fisheries habitat assessment of the river prior to the removal of a large dam known to impact anadromous fish passage. The data will enhance fisheries habitat projects along this and other similar river systems.

Tidal Flushing Characteristics in VA’s Tidal Embayments (2007)
Numerous physical processes shape the systems we study. These include characteristics of water bodies, watersheds, or the environment such as water depth, water volume, watershed area, precipitation, water residence times, etc.