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Physical and Environmental Geography Commons™
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Articles 1 - 22 of 22
Full-Text Articles in Physical and Environmental Geography
Mius News: Maps And Imagery User Services @ Fiu Green Library: Vol. 1, Issue 1 2007, Jill V. Krefft
Mius News: Maps And Imagery User Services @ Fiu Green Library: Vol. 1, Issue 1 2007, Jill V. Krefft
MIUS News
Fall 2007 Newsletter for FIU's Maps and Imagery User Services department.
Applicability Of Satellite Remote Sensing And Gis Techniques And Ground Data In Watershed Planning: The Case Of Kubili, Nigeria, Olarewaju Oluseyi Ifatimehin
Applicability Of Satellite Remote Sensing And Gis Techniques And Ground Data In Watershed Planning: The Case Of Kubili, Nigeria, Olarewaju Oluseyi Ifatimehin
Olarewaju Oluseyi Ifatimehin
Watershed land and hydrology are resources that are very important in agricultural development. Adequate and proper land use planning and management of these resources is of ultimate importance in sustainable development. In this study remote sensing and Geographic Information System (GIS) techniques were used to generate information on the current status and utilization potentials of the Kubili watershed and generate local specific micro watershed development plans for the area. The study revealed that about 33.25 per cent of the land cover is used for rain fed agriculture that lacks sufficient soil and moisture to support good yield. The drainage density …
Gis Aided Archaeological Research Of El Camino Real De Los Tejas With Focus On The Landscape And River Crossings Along El Camino Carretera., Jeffrey M. Williams
Gis Aided Archaeological Research Of El Camino Real De Los Tejas With Focus On The Landscape And River Crossings Along El Camino Carretera., Jeffrey M. Williams
Faculty Publications
Many generations of indigenous pathways through the forests of eastern Texas have their origins obscured in antiquity. Utilized by early European explorers, these pathways became modified through heavy use and the expansions and improvements needed to accommodate easy passage of European horses and carts and finally the heavy wagons of Anglo-American settlers. The first road through Texas, El Camino Real de Los Tejas, utilized portions of these early trails.
El Camino Carretera (known as the cart road) is an early segment of El Camino Real de los Tejas that crossed the Sabine River at the boundary between Texas and Louisiana. …
An Assessment Of Urban Heat Island Of Lokoja Town And Surroundings Using Landsat Etm Data., Olarewaju Oluseyi Ifatimehin
An Assessment Of Urban Heat Island Of Lokoja Town And Surroundings Using Landsat Etm Data., Olarewaju Oluseyi Ifatimehin
Olarewaju Oluseyi Ifatimehin
The urban centre and its suburban environment are largely influenced by changes driven by people as a result of urbanization and other anthropogenic activities. Urbanization impacts on air and water quality, local climate and biodiversity. This study assesses the Urban Heat Island (UHI) of Lokoja town and surroundings from LandSat ETM satellite imagery of 2001 using remote sensing techniques. Band 3, 4 and 6 of the imagery were use in the estimation of NDVI, land surface emissivity and surface temperature. The results show that urban heat island in Lokoja town is significant, with average Land surface temperature values range from …
Session 7 - A Comparative Geographic Analysis Of The Impact Of Scale On Hazards And Vulnerability In Industrialized Continental Lands And Small Pacific Islands, William J. Smith Jr.
Session 7 - A Comparative Geographic Analysis Of The Impact Of Scale On Hazards And Vulnerability In Industrialized Continental Lands And Small Pacific Islands, William J. Smith Jr.
International Symposium on Technology and Society
Geography, specifically scale, has significant impacts in terms of hazards and vulnerability. Small islands, such as those found in the Pacific, experience the impacts of their relatively unique geography and scale in terms of hazards and vulnerability in at least five ways: 1) Perception and communication; 2) Impact and escape from impact; 3) Technology; 4) Recovery; and 5) Socio-environmental justice. Comparative analysis in these five areas between the Pacific’s small islands and industrialized continental regions illuminates differences regarding the way hazards and vulnerability should be conceptualized in the under-treated small islands of the world. Lessons from this analysis will aid …
The Scope And Nature Of Panhandling And The Related Crime In Denver, Colorado, Megan A. Gall
The Scope And Nature Of Panhandling And The Related Crime In Denver, Colorado, Megan A. Gall
Geography and the Environment: Graduate Student Capstones
Nationally, increases in the number of panhandlers and homeless people are associated with social and economic issues and are the subject of public policy debate, sociological inquiry and public interest (DHPG 2003). Panhandlers and homeless people are collectively called transients for this research. In the 1950s, the deinstitutionalization of the mentally ill caused the first major influx of homelessness. Discrepancies between affordable housing and wages grew through the 1960s and 1970s and the problem did not gain national attention until the 1980s (DCEH n.d.). The increased attention is primarily due to the continued scarcity of housing, increasing discrepancies between housing …
Large Seasonal Swings In Leaf Area Of Amazon Rainforests, Ranga B. Myneni, Wenze Yang, Ramakrishna R. Nemani, Alfredo R. Huete, Robert E. Dickinson, Yuri Knyazikhin, Kamel Didan, Rong Fu, Robinson I. Negron Juarez, Sasan S. Saatchi, Hirofumi Hashimoto, Kazuhito Ichii, Nikolay V. Shabanov, Bin Tan, Piyachat Ratana, Jeffrey L. Privette, Jeffrey T. Morisette, Eric F. Vermote, David P. Roy, Robert E. Wolfe, Mark A. Friedl, Steven W. Running, Petr Votava, Nazmi El-Saleous, Sadashiva Devadiga, Yin Su, Vincent V. Salomonson
Large Seasonal Swings In Leaf Area Of Amazon Rainforests, Ranga B. Myneni, Wenze Yang, Ramakrishna R. Nemani, Alfredo R. Huete, Robert E. Dickinson, Yuri Knyazikhin, Kamel Didan, Rong Fu, Robinson I. Negron Juarez, Sasan S. Saatchi, Hirofumi Hashimoto, Kazuhito Ichii, Nikolay V. Shabanov, Bin Tan, Piyachat Ratana, Jeffrey L. Privette, Jeffrey T. Morisette, Eric F. Vermote, David P. Roy, Robert E. Wolfe, Mark A. Friedl, Steven W. Running, Petr Votava, Nazmi El-Saleous, Sadashiva Devadiga, Yin Su, Vincent V. Salomonson
GSCE Faculty Publications
Despite early speculation to the contrary, all tropical forests studied to date display seasonal variations in the presence of new leaves, flowers, and fruits. Past studies were focused on the timing of phenological events and their cues but not on the accompanying changes in leaf area that regulate vegetation–atmosphere exchanges of energy, momentum, and mass. Here we report, from analysis of 5 years of recent satellite data, seasonal swings in green leaf area of ~25% in a majority of the Amazon rainforests. This seasonal cycle is timed to the seasonality of solar radiation in a manner that is suggestive of …
Hydrologic Impacts Of Climate Change In The Upper Clackamas River Basin, Oregon, Usa, David Graves, Heejun Chang
Hydrologic Impacts Of Climate Change In The Upper Clackamas River Basin, Oregon, Usa, David Graves, Heejun Chang
Geography Faculty Publications and Presentations
The Pacific Northwest of the USA is dependent on seasonal snowmelt for water resources that support its economy and aquatic ecosystems. Increased temperatures resulting from higher concentrations of atmospheric greenhouse gases may cause disruptions to these resources because of reductions in the annual snowpack and the earlier occurrence of seasonal snowmelt. We applied a Geographic Information System (GIS)-based distributed hydrologic model at a monthly scale to assess the effects of future climate change on runoff from the Upper Clackamas River Basin (UCB; located near Portland, Oregon, USA). Once validated using historic flow data, the model was run for 2 future …
Land Cover Classification And Economic Assessment Of Citrus Groves Using Remote Sensing, Jennifer Gebelein
Land Cover Classification And Economic Assessment Of Citrus Groves Using Remote Sensing, Jennifer Gebelein
Jennifer Gebelein
The citrus industry has the second largest impact on Florida's economy, following tourism. Estimation of citrus area coverage and annual forecasts of Florida's citrus production are currently dependent on labor-intensive interpretation of aerial photographs. Remotely sensed data from satellites has been widely applied in agricultural yield estimation and cropland management. Satellite data can potentially be obtained throughout the year, making it especially suitable for the detection of land cover change in agriculture and ...
Dynamically And Statistically Downscaled Seasonal Simulations Of Maximum Surface Air Temperature Over The Southeastern United States, Young-Kwon Lim, D W. Shin, Steven Cocke, T E. Larow, Justin T. Schoof, James J. O'Brien, Eric P. Chassignet
Dynamically And Statistically Downscaled Seasonal Simulations Of Maximum Surface Air Temperature Over The Southeastern United States, Young-Kwon Lim, D W. Shin, Steven Cocke, T E. Larow, Justin T. Schoof, James J. O'Brien, Eric P. Chassignet
Publications
Coarsely resolved surface air temperature (2 m height) seasonal integrations from the Florida State University/Center for Ocean-Atmospheric Prediction Studies Global Spectral Model (FSU/COAPS GSM) (~1.8º lon.-lat. (T63)) for the period of 1994 to 2002 (March through September each year) are downscaled to a fine spatial scale of ~20 km. Dynamical and statistical downscaling methods are applied for the southeastern United States region, covering Florida, Georgia, and Alabama. Dynamical downscaling is conducted by running the FSU/COAPS Nested Regional Spectral Model (NRSM), which is nested into the domain of the FSU/COAPS GSM. We additionally present a new statistical downscaling method. The rationale …
Conceptualizing Wilderness Through Gis, Sarah Stevens
Conceptualizing Wilderness Through Gis, Sarah Stevens
Undergraduate Research Symposium (UGRS)
The word “wilderness” in America is generally identified with pristine places where humans are not among the primary influences on the land and its ecology. The American wilderness ethic creates a strict dichotomy between humans and nature. The Wilderness Preservation Act of 1964 defines wilderness as “an area where the earth and its community of life are untrammeled by man, where man himself is a visitor who does not remain” (wilderness.net). This statutory definition of wilderness is essentially the functional embodiment of the American wilderness ethic. Wilderness can also be interpreted in ways that incorporate humans as active players in …
A Historical Geography Of Lake Kampeska In The City Of Watertown, South Dakota, Joanita M. Kant
A Historical Geography Of Lake Kampeska In The City Of Watertown, South Dakota, Joanita M. Kant
Geography Faculty Publications
Many alterations in the hydrology of Lake Kampeska began with the arrival of masses of Anglo settlers in the 1870s. Why the lake has been altered is a complex issue linked to various natural physical processes which would have occurred even without the introduction of those settlers into the ecosystem. Those processes include weather, climate, sedimentation rates, lakebank erosion, chemical and mineral transport from soils, and flooding, among others. Besides those natural physical processes, mankind’s cultural processes have been at work. Disturbances in the lake’s hydrology are linked to land use changes associated with cultural values, such as the introduction …
Empirical Analysis Of Poverty And Inequality In West Virginia, Hector Addison
Empirical Analysis Of Poverty And Inequality In West Virginia, Hector Addison
Hector Addison
Poverty and income inequality have attracted a lot of attention in recent literature and policy discussions. Using Ordinary Least Squares and Two stage least squares and cross sectional data for all counties in West Virginia, this study examines the determinants of poverty and income inequality and possibility of simultaneous relationship between them. Findings indicate there is a weak simultaneous relationship and income inequality is declining among aged 65 and above. Education, seen as social equalizer does not provide any evidence in reducing income inequality in West Virginia but as more and more women take up headship in families, poverty and …
Critical Examination Of Ghana’S Agriculture Policy Under Vision 2020 Document - Ppt, Hector Addison
Critical Examination Of Ghana’S Agriculture Policy Under Vision 2020 Document - Ppt, Hector Addison
Hector Addison
Ghana, like many developing economies has a huge agricultural based with cocoa being the major export commodity. Since independence in 1957, Ghana had struggled to put together and implement and model of development that guarantees better life for her citizenry. This paper looks at one such document and analyzes it from agriculture perspective in the context of present realities. It is clear that Ghana stands to gain from a transformed agricultural sector which might lead the way to discover the eluded glory as a resource endowed nation
Mount Hope River Watershed - Watershed-Based Plan Of Conservation, Denise Burchsted
Mount Hope River Watershed - Watershed-Based Plan Of Conservation, Denise Burchsted
Denise Burchsted
This project involved data collection in the Mount Hope River watershed for use in conservation planning in that watershed and in the larger Naubesatuck watershed in northeastern Connecticut. Data collection was comprised of the following: 1) stream assessments, which were GIS-based with ground truthing where possible and needed, and 2) existing plans of conservation and/or development in the watershed.
The Prospects Of Sustainable Management Of Domestic Water Supply And Sanitation In Kogi State., Olarewaju Oluseyi Ifatimehin, Salihu Danlami Musa
The Prospects Of Sustainable Management Of Domestic Water Supply And Sanitation In Kogi State., Olarewaju Oluseyi Ifatimehin, Salihu Danlami Musa
Olarewaju Oluseyi Ifatimehin
The ultimate goal of any credible and legitimate government is to ensure sustained improvement in the provision of basic water utility and its effectiveness in the efficient delivery of this service to the citizenry. The importance and implication of efficient delivery of portable water and its management, and also access to hygienic sanitation facilities are of utmost importance to every human sector. Field survey and the review of technical and research literatures were done to generate the data and information used for the study. Simple statistics were used in its analyses and GIS techniques for spatial analysis. It was observed …
Estimation Of The Effects Of Vegetation On Local Climate Using Gis And Remote Sensing Data, Won Hoi Hwang
Estimation Of The Effects Of Vegetation On Local Climate Using Gis And Remote Sensing Data, Won Hoi Hwang
Theses, Dissertations and Capstones
As one of the effective methods to control urban temperatures, the effects of trees and other vegetation have come into focus. Geographic Information System (GIS) and remote sensing data, Digital Orthophoto Quarter-Quadrangle (DOQQ) and Landsat Thematic Mapper (Landsat TM), have been applied in this study to analyze the UHI. The effect of road-side trees on local micro-climate was examined with in-situ temperature measurement and simulated shade. Regression analyses revealed significant negative slopes for all time periods. This trend continued throughout the entire night until sunrise the next morning. The relationship between thermal patterns and vegetation distributions was investigated using the …
Downscaling Daily Maximum And Minimum Air Temperature In The Midwestern Usa: A Hybrid Empirical Approach, Justin T. Schoof, S C. Pryor, S M. Robeson
Downscaling Daily Maximum And Minimum Air Temperature In The Midwestern Usa: A Hybrid Empirical Approach, Justin T. Schoof, S C. Pryor, S M. Robeson
Publications
A new hybrid empirical downscaling technique is presented and applied to assess 21st century projections of maximum and minimum daily surface air temperatures (Tmax, Tmin) over the Midwestern USA. Our approach uses multiple linear regression to downscale the seasonal variations of the mean and standard deviation of daily Tmax and Tmin and the lag-0 and lag-1 correlations between daily Tmax and Tmin based on GCM simulation of the large-scale climate. These downscaled parameters are then used as inputs to a stochastic weather generator to produce time series of the daily Tmax and Tmin at 26 surface stations, in three time …
Evapotranspirative Controls In A Low Arctic Tundra Environment, Daring Lake, Nwt, Canada, Shawn Lecompte
Evapotranspirative Controls In A Low Arctic Tundra Environment, Daring Lake, Nwt, Canada, Shawn Lecompte
Theses and Dissertations (Comprehensive)
Determining the extent to which changes in vegetation assemblages influence evapotranspiration in the Arctic could potentially contribute to a more realistic estimation of evaporation in a warming climate.
This project aims to determine whether variations in PET and AET rates measured at six tundra vegetation communities can be attributed to the differing vegetation. This will provide a more realistic estimate of change in the water and energy cycles, as well as evaporative processes for a warmer future, caused by enhanced global warming. Predictions of temperature and precipitation regarding future climate in Canada’s Western low Arctic vary greatly. The majority of …
Notable Environmental Features In Some Historical Aerial Photographs From Ashley County, Arkansas, Don C. Bragg, Robert C. Weir Jr.
Notable Environmental Features In Some Historical Aerial Photographs From Ashley County, Arkansas, Don C. Bragg, Robert C. Weir Jr.
Journal of the Arkansas Academy of Science
A collection of 1939 aerial photographs from Ashley County, Arkansas was analyzed for its environmental information. Taken by the US Department of Defense (USDOD), these images show a number of features now either obscured or completely eliminated over the passage of time. One notable feature is the widespread coverage of "sand blows" in the eastern quarter of the county, suggesting a major soil liquefaction field consistent with strong seismic activity (magnitude 6.0 on the Richter Scale). Also seen in these photographs are the vestiges of the large prairies once found on the Pleistocene terraces of southern and eastern Arkansas. The …
Spatial Relationships Of Carbon Dioxide Exchange In An Upland Forested Wetland Complex In The Western Boreal Plain, Alberta, Canada, Danielle M. Solondz
Spatial Relationships Of Carbon Dioxide Exchange In An Upland Forested Wetland Complex In The Western Boreal Plain, Alberta, Canada, Danielle M. Solondz
Theses and Dissertations (Comprehensive)
This study examined the midday (10:00 - 16:00) growing season (April - October) surface cover CO2 relationships with different canopy closures and microtopography (lawn and depression) in a forested upland - peatland - pond complex in the Western Boreal Plain, north - central Alberta, Canada. A dynamic - closed chamber technique was used to: evaluate the relative contributions of heterotrophic and autotrophic respiration and photosynthesis and assess the relative roles of substrate, plant communities, hydrology, and microclimates on CO2 exchange.
Large differences were observed among the forest floors of landscape units with different canopy covers with respect to …
Biodiversity In Space And Time: Towards A Grid Mapping For Mongolia, Michael Stubbe, Annegret Stubbe, Henrik Von Wehrden, Nayamsuren Batsaikhan, Ravčigijn Samjaa
Biodiversity In Space And Time: Towards A Grid Mapping For Mongolia, Michael Stubbe, Annegret Stubbe, Henrik Von Wehrden, Nayamsuren Batsaikhan, Ravčigijn Samjaa
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
In the future, grid mapping of animal and plant organisms will also play a major role in Mongolia. Based on geographical coordinates, a grid with a resolution of 100 x 100 km was created, which contained 561 cells. Methods and level of current understanding are exemplified by means of two raptors and three mammal species. This establishes a basis for an initial project, which will summarize all breeding occurrences of raptors based on all records, publications, or diary notes. For the first time, the short toed eagle was verified in Mongolia as a breeding bird in 2004. By 2006, ten …