Tom Allen

Tom Allen
Old Dominion University | ODU · Department of Political Science and Geography

Ph.D. Geography, UNC-Chapel Hill

About

60
Publications
9,504
Reads
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1,093
Citations
Citations since 2016
22 Research Items
504 Citations
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2016201720182019202020212022020406080100
2016201720182019202020212022020406080100
Introduction
Tom Allen currently works at the Department of Political Science and Geography and the Institute for Coastal Adaptation and Resilience (ICAR) at Old Dominion University. His research focuses on integrative analysis of environmental resources, coastal hazards, and physical coastal process, using GIS, remote sensing, and spatial analysis to address problems.
Additional affiliations
August 2016 - present
Old Dominion University
Position
  • Professor
July 2016 - November 2016
Old Dominion University
Position
  • Professor of Geography
August 2006 - August 2016
East Carolina University
Position
  • Professor
Education
August 1991 - May 1995

Publications

Publications (60)
Article
Full-text available
Background Food is not equitably available. Deficiencies and generalizations limit national datasets, food security assessments, and interventions. Additional neighborhood level studies are needed to develop a scalable and transferable process to complement national and internationally comparative data sets with timely, granular, nuanced data. Part...
Article
Full-text available
Future maps and visualizations of sea level rise struggle to convey the salience of evolving coastal hazards on the ground. This study engaged three Norfolk, Virginia communities in the “Blue Line” project to identify the appealing components of various types of visualizations and determine which images increase risk perceptions, contribute to the...
Article
Full-text available
Low elevation coastal zones (LECZ) are extensive throughout the southeastern United States. LECZ communities are threatened by inundation from sea level rise, storm surge, wetland degradation, land subsidence, and hydrological flooding. Communication among scientists, stakeholders, policy makers and minority and poor residents must improve. We must...
Conference Paper
Full-text available
This case study outlines a user experience design approach, with specific emphasis on persona building, of a web-based mapping and information tool aimed at helping developers site wind energy projects. Relying on philosophies of user experience in the field of technical communication, particularly ones that focus on usefulness, problem solving, an...
Article
Previous research suggests that coastal housing values capitalize the quality of nearby beaches but note potential problems related to measurement errors and reverse causation due to beach replenishment. We offer the first hedonic analysis of communities not engaged in beach replenishment, obviating concern over reverse causation. Statistical evide...
Article
Full-text available
A new data layer provides Coastal and Marine Ecological Classification Standard (CMECS) labels for global coastal segments at 1 km or shorter resolution. These characteristics are summarized for six US Marine Biodiversity Observation Network (MBON) sites and one MBON Pole to Pole of the Americas site in Argentina. The global coastlines CMECS classi...
Article
Full-text available
This study evaluates the spatial-temporal patterns in Virginia tornadoes using the National Weather Service Storm Prediction Center’s Severe Weather GIS (SVRGIS) database. In addition to descriptive statistics, the analysis employs Kernel Density Estimation for spatial pattern analysis and space-time cubes to visualize the spatiotemporal frequency...
Article
Continuity of marine port operations and recovery in the event of disaster and flooding are dependent upon planning for acute or chronic disruptions. Ports are developing the capacity to integrate climate change adaptation with strategic planning and making capital investments in infrastructure. Geospatial risk assessments have demonstrated utility...
Article
Tourism localities worldwide continue to grapple with how best to sustain coastal visitation during the COVID-19 pandemic. Emerging epidemiological science illustrates the risk of disease transmission is lower outdoors than indoors, and exposure is likely lower in outdoor, coastal environments due to dispersion and dilution of respiratory droplets...
Chapter
This article summarizes the state of knowledge and emerging trends in coastal geomorphology seeking to understand coastal responses to climate and sea level changes. The roles of climate, storminess, vertical land motion, and geologic framework are assessed as dynamic forces acting upon coasts and forcing changes. The article surveys various types...
Article
Full-text available
Coastal reservations are increasingly vulnerable to hazards exacerbated by climate change. Resources for restoration projects are limited. Storm surge, storms, tidal flooding, and erosion endanger artifacts and limit livelihoods of tribes in coastal Virginia. GIS offers a platform to increase communication between scientists, planners, and indigeno...
Article
Full-text available
Public participation in groundwater projects is increasing, however, the efficacy of the data collected in such studies, is not well‐documented in the literature. In this study, the authors describe a citizen science project focused on measuring and recording groundwater levels in an aquifer and evaluate whether the groundwater data collected by th...
Article
Public participation in engineering projects has been minimal to date, whereas it is growing in other fields. This paper assesses the lessons learned from public participation in two hydrologic engineering projects, as citizen scientists or through participatory mapping. The two projects were conducted in communities that faced a common problem of...
Article
Full-text available
A new 30-m spatial resolution global shoreline vector (GSV) was developed from annual composites of 2014 Landsat satellite imagery. The semi-automated classification of the imagery was accomplished by manual selection of training points representing water and non-water classes along the entire global coastline. Polygon topology was applied to the G...
Article
Full-text available
Coastal community water infrastructure is increasingly vulnerable to climate-sensitive coastal hazards. Tides, storm surges, rainfall, and salt intrusion affect infrastructure and human health. In case studies of Charleston, South Carolina, and Morehead City, North Carolina, USA, this project sought to advance risk assessment of urban water and was...
Article
BACKGROUND Recognizing that health outcomes are associated with climate threats is important and requires increased attention by health care providers and policymakers. The primary goal of this report is to provide information related to the public health threats of climate change, while identifying climate-sensitive populations primarily in rural,...
Article
Planning resiliency and sustainability of port operations and critical infrastructure requires risk assessment of storm surge exposure and potential sea level rise. An approach for rapid, screening-level assessment is developed to estimate the current and future risk of exposure to severe storm surges posed to marine terminal facilities in Norfolk,...
Article
Building flood resilience in coastal communities requires a precise understanding of the temporal and spatial scales of inundation and the ability to detect and predict changes in flooding. In Hampton Roads, the Intergovernmental Pilot Project’s Scientific Advisory Committee recommended an integrated network of ocean, earth, and atmospheric data co...
Article
Full-text available
Environmental planners seek techniques that will enable them to analyze impervious cover to develop sound management plans for coastal regions. The spatial scale in which impervious cover has traditionally been widely analyzed is mismatched to the fine-scale resolution needed for local environmental management. This study examines impervious cover...
Article
Full-text available
Improvements in Light Detection and Ranging (LiDAR) technology and spatial analysis of high-resolution digital elevation models (DEMs) have advanced the accuracy and diversity of applications for coastal hazards and natural resources management. This article presents a concise synthesis of LiDAR analysis for coastal flooding and management applicat...
Article
Full-text available
Complex biophysical, social, and human behavioral factors influence population vulnerability to vector-borne diseases. Spatially and temporally dynamic environmental and anthropogenic patterns require sophisticated mapping and modeling techniques. While many studies use environmental variables to predict risk, human population vulnerability has bee...
Chapter
Coastal wetlands provide crucial ecosystem services to society including pollution filtration, fish and wildlife nursery and habitat, storm surge mitigation, and sinks for atmospheric carbon. Uncertainty of wetland responses to sea-level rise is a pervasive concern in coastal science and management. Advances in Light Detection and Ranging (LiDAR),...
Article
Full-text available
Saline water intrusion is degrading water quality in the channelized coastal wetlands of the southern Albemarle estuarine system (AES). The source, transport and fate of the saline water in the southern AES was determined by monitoring specific conductivity and water levels in small artificial channels, the Alligator River, the Alligator–Pungo Cana...
Article
Previous empirical research on housing markets has demonstrated that coastal housing values capitalize the quality of nearby beaches. Recent papers document a number of important findings, including: i) a proximity effect, in which distance from the beach plays a key role in capitalization; ii) mis-measurement issues stemming from the dynamic natur...
Article
Full-text available
Inventorying and monitoring are imperative to management of vulnerable coastal wetlands. Multi-date and multi-sensor remote sensing offer new capabilities to wetland programmes such as the US National Wetland Inventory. This pilot study focuses on swamp forests and pocosins, marshes, shrub–scrub and invasive Phragmites australis. Combinations of sp...
Article
Full-text available
Coastal lagoons mix inflowing freshwater and tidal marine waters in complex spatial patterns. This project sought to detect and measure temperature and spatial variability of flood tides for a constricted coastal lagoon using multitemporal remote sensing. Advanced Spaceborne Thermal Emission Radiometer (ASTER) thermal infrared data provided estimat...
Article
The advent and proliferation of digital terrain technologies have spawned concomitant advances in coastal geomorphology. Airborne topographic Light Detection and Ranging (LiDAR) has stimulated a renaissance in coastal mapping, and field-based mapping techniques have benefitted from improvements in real-time kinematic (RTK) Global Positioning System...
Article
Full-text available
The increase in mosquito populations following extreme weather events poses a major threat to humans because of mosquitoes' ability to carry disease-causing pathogens, particularly in low-lying, poorly drained coastal plains vulnerable to tropical cyclones. In areas with reservoirs of disease, mosquito abundance information can help to identify the...
Article
We examine the impact of coastal wind turbines on coastal tourism and recreation for residents of the northern CAMA counties in North Carolina. A combination of telephone and web survey data are used to assess the impact of coastal wind farms on trip behavior and site choice. Most of the respondents to our telephone survey claim to support offshore...
Article
Coastal lagoons are prominent features along many of the worlds sand coasts. Unlike estuaries, a large amount of lagoon volume is exchanged via tidal draining and repletion. We sought to quantify the repletion and residual water volumes in a coastal lagoon using satellite remote sensing. In the Great Machipongo Lagoon approximately 53% of the basin...
Article
Although researchers from a number of disciplines have long recognized that marginalized groups are at increased risk to the impacts of disasters, it took Hurricane Katrina to bring this to the forefront of policy discussions. An equally insidious problem exists among migrant and seasonal farm workers (MSFWs), yet there is very little work on the n...
Article
Full-text available
With North Carolina being one of the most at risk states in North America for both direct and indirect hurricane strikes it is important that decision makers and the public have the best possible accurate and appropriate information. Emergency managers have expressed interest new visualization techniques of storm surge in the hopes to better commun...
Article
Full-text available
Snow avalanches, snow accumulation, and snow ablation patterns were mapped and analyzed to assess their impact on the three-dimensional position, composition (closed canopy forest, open canopy forest, meadow, krummholz, and non-vegetated surfaces), and spatial structure of the Alpine Treeline Ecotone (ATE) in a portion of Glacier National Park, Mon...
Article
Full-text available
The need to gauge the practicality of remote sensing to monitor marine surface vessels, to examine the accuracy, efficiency, and applicability of currently known detection algorithms, and to evaluate methodologies designed to enhance the integration of spectral and spatial filters to detect, identify and classify surface vessels into general class...
Article
Despite more than a decade of research on medical information systems, deficiencies exist in our capability of establishing an effective environmental health information infrastructure. In this research, we present a pilot study on creating a feasible environmental health information infrastructure. The newly-developed environmental health informat...
Article
Full-text available
An edge extraction model has been developed that uses multitemporal satellite synthetic aperture radar data to delineate shorelines in estuaries. Using Japanese ALOS PALSAR HH data acquired in December 2006 and JERS‐1 L‐HH SAR data in December 1994, we mapped shorelines of the outer Pamlico Peninsula, Dare County, North Carolina, USA, spanning 12 y...
Article
Remote sensing can augment traditional methods of mosquito species surveillance for arboviruses. Abundance and patterns of mosquito vectors of West Nile virus in Chesapeake, Virginia, USA, were studied using light trap collection data and a Landsat-7 Enhanced Thematic Mapper+ digital image for spatial interpolation and geostatistical mapping of the...
Article
A major offset in the Virginia coastline exists between Assateague Island and Wachapreague Island. The offset produces the broad Chincoteague Bight anchored by the cape-like southern tip of Assateague Island and the northern tip of Parramore Island. A combination of factors has influenced the development of this part of the Virginia coast. In parti...
Article
Full-text available
Spatial patterns of environmental processes are intrinsic yet complex components of estuaries. Spatial characterization of environmental gradients is a necessary step to better understand and classify estuarine environments. A geographic information system is developed to analyze the major abiotic environmental processes, to evaluate accuracy and s...
Article
Topographic maps, aerial and satellite imagery, relief maps, and stereoscopic anaglyphs have all been used to aid the understanding of the earth surface and geomorphic processes. Opportunities for incorporating new digital terrain data and virtual globes are reviewed and presented in a case study advanced university geomorphology course. The course...
Article
Full-text available
Vector-borne diseases pose a continuing health risk to the global population. In the United States, the spread of West Niles virus (WNV) in the past several years across the country has been alarming. Using WNV as an example, this paper demonstrates how geographic information science (GIScience) and attendant technologies in remote sensing, geograp...
Article
High elevation Fraser fir (Abies fraseri) forests of the Southern Appalachians have undergone widespread mortality since the introduction of the balsam woolly adelgid in the 1950s. Resulting changes in ecosystem pattern and process (e.g., stand dynamic processes) have greatly affected floral and faunal communities. In this project, we integrated fi...
Article
This special issue continues the precedence of the Association of American Geographers (AAG), Remote Sensing Specialty Group (RSSG) for publishing selected articles in Geocarto International as a by-product from the AAG annual meeting. As editors, we issued earlier this year, a solicitation for papers to be published in a special issue of Geocarto...
Article
This study sought to develop a modified change vector analysis (CVA) using normalized multidate data from Landsat TM to examine spruce-fir ecosystems. The introduction of the balsan woolly adelgid (Adelges piceae) to the Great Smoky Mountains in the late 1950s resulted in widespread mortality of Fraser fir (Abies fraseri), prompting the need for re...
Article
Full-text available
A comparative analysis is presented for empirical topographic normalization of Landsat Thematic Mapper (TM) data in varied forest and topographic settings. The paired study included rugged areas of Glacier National Park, Montana, Linville Gorge Wilderness, North Carolina, and Green Mountains, Vermont, U.S.A. Empirical models of topographic bias ach...
Article
A comparative analysis is presented for empirical topographic normalization of Landsat Thematic Mapper (TM) data in varied forest and topographic settings. The paired study included rugged areas of Glacier National Park, Montana, Linville Gorge Wilderness, North Carolina, and Green Mountains, Vermont, U.S.A. Empirical models of topographic bias ach...
Article
This study sought to develop a modified change vector analysis (CVA) using normalized multidate data from Landsat TM to examine spruce–fir ecosystems. The introduction of the balsam woolly adelgid (Adelges piceae) to the Great Smoky Mountains in the late 1950s resulted in widespread mortality of Fraser fir (Abies fraseri), prompting the need for re...
Article
Equilibrium-line altitudes (ELAs) of modem glaciers in the northern Rocky Mountains are known to correspond with regional climate, but strong subregional gradients such as across the Continental Divide in Glacier National Park, Montana, also exert topoclimatic influences on the ELA. This study analyzed the relationships between glacier and snowfiel...
Article
Full-text available
This study sought to quantify the complex patterns of alpine treeline across an extensive area of Glacier National Park, Montana. Satellite image classification, digital terrain modeling, and geographic information system (GIS) measurements of landscape structure provided important tools for the analysis. The study area was topographically partitio...
Conference Paper
A major issue in remote sensing involves the relationship between sensor resolution and the scales of variability of scene elements. The authors present four methods for understanding the relationship between vegetation and TM-based NDVI across a range of spatial scales for a rugged mountainous environment. They analyze spatially degraded NDVI and...
Article
The USGS EROS Data Center has produced a national data set for long‐term ecological monitoring termed the “Conterminous U.S. AVHRR (Advanced Very High Resolution Radiometer) Data Set” that includes biweekly maximum‐value composite (MVC) images of NDVI (Normalized Difference Vegetation Index) values, original five channels of calibrated AVHRR satell...
Article
This study applies Markovian transition probability matrices to the problem of characterizing classified multitemporal satellite snow-cover data. Transition probability matrices are used to form hypotheses regarding the effects of snow persistence and ablation patterns on the alpine treeline using an integrated geographic information system. Strati...
Article
Full-text available
Introduction Applying GIS and geovisualization to the storm surge forecasting models offers potential improvement of risk awareness for mitigation and communicating life-threatening hazards in emergency situations such as hurricane evacuation. A continuum of potential visualizations ranges from static maps to animated model output to immersive, int...
Article
Full-text available
An edge extraction model has been developed that uses multi-temporal SAR data to delineate shorelines in estuaries. By using the ALOS PALSAR HH data acquired in December 2006 and JERS-1 L-HH SAR data in December 1994, shorelines of the outer Pamlico Peninsula, Dare County, North Carolina, USA were delineated. The validity and accuracy of the deline...

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Project (1)
Project
Produce a regional salt marsh map and landscape inventory for the South Atlantic Landscape Conservation Cooperative. The project utilizes regional Landsat 8 OLI satellite data, enhanced for composite water, vegetation, and soil images, and object-based image analysis (OBIA).