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Articles 1 - 30 of 207
Full-Text Articles in Environmental Monitoring
U.S. Drought Monitor, December 31, 2013, Matthew Rosencrans
U.S. Drought Monitor, December 31, 2013, Matthew Rosencrans
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for December 31, 2013 (12/31/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, December 24, 2013, Matthew Rosencrans
U.S. Drought Monitor, December 24, 2013, Matthew Rosencrans
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for December 24, 2013 (12/24/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Hay, Cattle, Winter wheat.
U.S. Drought Monitor, December 17, 2013, Mark D. Svoboda
U.S. Drought Monitor, December 17, 2013, Mark D. Svoboda
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for December 17, 2013 (12/17/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
Soil Development And Vegetation Response To Removal Of A Small Dam, Lassen Volcanic National Park, California, Stephanie Kay Rohdy
Soil Development And Vegetation Response To Removal Of A Small Dam, Lassen Volcanic National Park, California, Stephanie Kay Rohdy
Dissertations and Theses
Dam removal is increasing as dams age, yet little is understood about the pedogenic response to dam removal. This study reports on the edaphic changes of reservoir sediments and vegetation cover one year following removal of a small earthen dam in Northern California. In August 2012, I sampled surface sediments from the former Dream Lake reservoir in Lassen Volcanic National Park, and compared their physical and chemical properties with soil samples from two reference sites. I also estimated percent cover of vegetation in the former reservoir and reference sites. My results show that the reservoir was under reduced conditions, as …
U.S. Drought Monitor, December 10, 2013, Michael J. Brewer
U.S. Drought Monitor, December 10, 2013, Michael J. Brewer
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for December 10, 2013 (12/10/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
Drainage Structure Datasets And Effects On Lidar-Derived Surface Flow Modeling, Ruopu Li, Zhenghong Tang, Xu Li, Jessie Winter
Drainage Structure Datasets And Effects On Lidar-Derived Surface Flow Modeling, Ruopu Li, Zhenghong Tang, Xu Li, Jessie Winter
School of Natural Resources: Faculty Publications
With extraordinary resolution and accuracy, Light Detection and Ranging (LiDAR)-derived digital elevation models (DEMs) have been increasingly used for watershed analyses and modeling by hydrologists, planners and engineers. Such high-accuracy DEMs have demonstrated their effectiveness in delineating watershed and drainage patterns at fine scales in low-relief terrains. However, these high-resolution datasets are usually only available as topographic DEMs rather than hydrologic DEMs, presenting greater land roughness that can affect natural flow accumulation. Specifically, locations of drainage structures such as road culverts and bridges were simulated as barriers to the passage of drainage. This paper proposed a geospatial method for producing …
U.S. Drought Monitor, December 3, 2013, Michael J. Brewer
U.S. Drought Monitor, December 3, 2013, Michael J. Brewer
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for December 3, 2013 (12/3/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
Development And Application Of A Gis-Based Long Island Sound Eelgrass Habitat Suitability Index Model, Jamie M.P. Vaudrey, Justin Eddings, Christopher Pickerell, Lorne Brousseau, Charles Yarish
Development And Application Of A Gis-Based Long Island Sound Eelgrass Habitat Suitability Index Model, Jamie M.P. Vaudrey, Justin Eddings, Christopher Pickerell, Lorne Brousseau, Charles Yarish
Department of Marine Sciences
The primary objectives of the Eelgrass Habitat Suitability Index Model (EHSI Model) are to assist in the evaluation of sites being considered for eelgrass restoration efforts in the Long Island Sound (LIS) area and to identify areas where water quality issues reduce or eliminate the potential for natural eelgrass colonization. To achieve this goal, geospatial processing of data available from the Long Island Sound area was conducted using ArcGIS v10.0 including the 3D Analyst and Spatial Analyst extensions. The result is a series of maps presented in this report and a GIS-based model available for users to interact with the …
Umphlett Qci Dec 2013, Natalie A. Umphlett
Umphlett Qci Dec 2013, Natalie A. Umphlett
High Plains Regional Climate Center: Staff Publications
Highlights for the Basin
Temperature and Precipitation Anomalies
Soil Moisture
September Flooding in Colorado
Early October Blizzard
3-Month Precipitation and Temperature Outlooks
U.S. Seasonal Drought Outlook
Mass Bays Resource Inventory: Summary And Findings From The Review Of Plans And Assessments, Urban Harbors Institute, University Of Massachusetts Boston
Mass Bays Resource Inventory: Summary And Findings From The Review Of Plans And Assessments, Urban Harbors Institute, University Of Massachusetts Boston
Urban Harbors Institute Publications
The Massachusetts Bays Program (MBP) contracted with the Urban Harbors Institute (UHI) of the University of Massachusetts Boston to conduct a review of papers, presentations, reports, and other relevant material produced from 1996 (the last CCMP) to present, that might inform the MBP’s update of their Comprehensive Conservation and Management Plan (CCMP). The review focused on five topics identified as priority topics by the MBP: water quality, invasive species, climate change/vulnerability, continuity of estuarine habitat, and estuarine habitat protection in the geographic region of the Mass Bays Program, particularly the 47 nearshore estuaries and embayments identified in the 2012 MBP …
X-Ray Fluorescence (Xrf) Analyzer - Theory, Utility, And Qa/Qc For Environmental And Commercial Product Samples In Cambodia, Sereyrath Lim
X-Ray Fluorescence (Xrf) Analyzer - Theory, Utility, And Qa/Qc For Environmental And Commercial Product Samples In Cambodia, Sereyrath Lim
Multidisciplinary Studies Theses
Laboratory facilities in developed countries provide a variety of options for analysis of environmental samples and commercial commodities that could impact human health. The same is not true in developing countries and there is a great need to identify technologies that could be used to provide robust, accurate, cost-effective analysis that minimizes the need for extensive technical training. An X-ray Fluorescence (XRF) analyzer seems to be an analytical technique that could be such a tool for developing countries. Therefore, the objective of this thesis was to assess the performance and utility of a handheld, portable XRF unit in analyzing different …
Hydrochemical Investigation Of A Transient Parafluvial Zone Under Drought Conditions, Platte River, Nebraska, Audrey R. Boerner
Hydrochemical Investigation Of A Transient Parafluvial Zone Under Drought Conditions, Platte River, Nebraska, Audrey R. Boerner
Department of Earth and Atmospheric Sciences: Dissertations, Theses, and Student Research
Shallow groundwater (0.5 m -1.2 m deep) beneath a vegetated and non-vegetated fluvial island was observed in the lower Platte River, Nebraska, USA during exceptional summer drought. Over the course of three months, sub-hourly measurements of hydraulic head, and weekly measurements of redox indicators, δ2H, δ18O, and dissolved gases were analyzed together with nitrogen and carbon species from an array of shallow piezometers in the river bed and islands. These data were compared with the same parameters collected from a 15 m-deep riparian borehole. Vertical hydraulic gradients in the island piezometers indicated the vertical component to …
Long-Term Recovery Of South Indian Creek Following Interstate Construction, Clara Mcclure
Long-Term Recovery Of South Indian Creek Following Interstate Construction, Clara Mcclure
Electronic Theses and Dissertations
The expansion of Interstate 26 from Erwin, TN to the North Carolina border was a project that potentially adversely impacted South Indian Creek because of the steep landscapes and potential for erosion. Several studies have shown the short-term, negative effects of road construction on the water quality of nearby water bodies. Non-point source pollution is the major source of water pollution in the United States. The primary objective of this research is to evaluate the long-term effects of the construction of Interstate 26 on South Indian Creek to see if there has been any ecological recovery. The Environmental Health Sciences …
U.S. Drought Monitor, November 26, 2013, Richard R. Heim Jr.
U.S. Drought Monitor, November 26, 2013, Richard R. Heim Jr.
United States Agricultural Commodities in Drought Archive
Drought map of the United States for November 26, 2013 (11/26/13) plus: United States crop areas experiencing drought (map), an approximate percentage of crop located in drought by state (bar graph), and the percentage of crop area located in drought during the past 52 weeks (line graph) for corn, soybeans, hay, cattle, and winter wheat.
U.S. Drought Monitor, November 19, 2013, Richard R. Heim Jr.
U.S. Drought Monitor, November 19, 2013, Richard R. Heim Jr.
United States Agricultural Commodities in Drought Archive
Drought map of the United States for November 19, 2013 (11/19/13) plus: United States crop areas experiencing drought (map), an approximate percentage of crop located in drought by state (bar graph), and the percentage of crop area located in drought during the past 52 weeks (line graph) for corn, soybeans, hay, cattle, and winter wheat.
U.S. Drought Monitor, November 12, 2013, David Simeral
U.S. Drought Monitor, November 12, 2013, David Simeral
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for November 12, 2013 (11/12/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
U.S. Drought Monitor, November 5, 2013, David Simeral
U.S. Drought Monitor, November 5, 2013, David Simeral
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for November 5, 2013 (11/5/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
Photographic And Sediment Monitoring Procedures And Initial Results For A Brazilian Iron Ore Cave, Vitor Moura, Augusto Auler, Marina Leão, Luciana Alt
Photographic And Sediment Monitoring Procedures And Initial Results For A Brazilian Iron Ore Cave, Vitor Moura, Augusto Auler, Marina Leão, Luciana Alt
National Cave and Karst Management Symposium 2013
The definition, development and application of monitoring procedures for caves are currently in demand in Brazil. The need for environmental licensing processes and effective environmental control actions has been increasing since the beginning of this century due to the intensification of economic activities.
This work discusses the development of a method of photographic and sediment monitoring and the application of this method in an iron ore cave. This cave is located inside an industrial area currently under development by a mining company. This situation demands effective and specific environmental control measures.
The method’s simplicity, effectiveness and multidisciplinary approach indicate that …
The Nps Cave Visitor Impact Vital Signs Monitoring Protocol, Rodney Horrocks
The Nps Cave Visitor Impact Vital Signs Monitoring Protocol, Rodney Horrocks
National Cave and Karst Management Symposium 2013
The national Cave Visitor Impact Vital Signs Monitoring Protocol is an attempt to standardize visitor impact monitoring in all National Park Service managed caves. With standardized monitoring in place, it will be feasible for the first time to compare monitoring data from caves across the country. This cave monitoring protocol was initiated at the NPS Cave Vital Signs Workshop held in Lakewood, Colorado in 2008. That workshop identified the vital signs that were common to all caves, including cave visitor impact. A committee convened at that workshop decided that the cave visitor impact monitoring protocol would address four parameters of …
Sources Of Nutrient And Fecal Microbe Pollution In Otter Creek, Madison County, Kentucky, Kandice L. Smith, Walter S. Borowski
Sources Of Nutrient And Fecal Microbe Pollution In Otter Creek, Madison County, Kentucky, Kandice L. Smith, Walter S. Borowski
EKU Faculty and Staff Scholarship
We measured nutrient (nitrate, ammonium, phosphate) and fecal microbe concentrations in surface waters of the Otter Creek watershed, Madison County, Kentucky to access sources of these contaminants. The watershed is approximately 12.5 miles long covering ~169 km2 (41,832 acres). The watershed includes East Fork, West Fork, and Dreaming Creek, all tributaries to the main trunk of Otter Creek. The upper portion of the main trunk and Dreaming Creek drain urban areas of Richmond, but 85% of total watershed area is agricultural land, used mainly for grazing cattle. Rural residential areas and woodlands also occur.
The principle contaminants are nutrients …
U.S. Drought Monitor, October 29, 2013, Brian Fuchs
U.S. Drought Monitor, October 29, 2013, Brian Fuchs
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for October 29, 2013 (10/29/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
Effects Of Water Development On Arid Land Freshwater Ecosystems, Angela L. Strecker
Effects Of Water Development On Arid Land Freshwater Ecosystems, Angela L. Strecker
Environmental Science and Management Faculty Publications and Presentations
This presentation focuses on the Columbia Basin Project
Getting Salmon Back In Salmon Creek: Systematizing Comparative Water Quality Analysis For Targeted Restoration, Zbigniew J. Grabowski, Sarah Janjua, Michael Swamer, Heejun Chang, Eric Watson
Getting Salmon Back In Salmon Creek: Systematizing Comparative Water Quality Analysis For Targeted Restoration, Zbigniew J. Grabowski, Sarah Janjua, Michael Swamer, Heejun Chang, Eric Watson
Geography Faculty Publications and Presentations
This presentation focuses on water quality restoration efforts in Salmon Creek
Emerging Contaminants In Oregon Coastal Waters: Hotspots, Landscape Drivers And Synergistic Effects On Bivalves, Elise F. Granek, William Fish, Angela L. Strecker
Emerging Contaminants In Oregon Coastal Waters: Hotspots, Landscape Drivers And Synergistic Effects On Bivalves, Elise F. Granek, William Fish, Angela L. Strecker
Environmental Science and Management Faculty Publications and Presentations
This presentation focuses on the following research questions:
- Types and levels of contaminants of emerging concern (CECs) in Oregon’s coastal ocean?
- Levels of CECs in native and commercial oysters?
- Ecological effects (growth, reproductive output, etc.) of these contaminants in marine bivalves?
U.S. Drought Monitor, October 22, 2013, Brian Fuchs
U.S. Drought Monitor, October 22, 2013, Brian Fuchs
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for October 22, 2013 (10/22/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
Global Fossil Energy Markets And Climate Change Mitigation: An Analysis With Remind, Nico Bauer, Ioanna Mouratiadou, Gunnar Luderer, Lavinia Baumstark, Robert J. Brecha, Ottmar Edenhofer, Elmar Kriegler
Global Fossil Energy Markets And Climate Change Mitigation: An Analysis With Remind, Nico Bauer, Ioanna Mouratiadou, Gunnar Luderer, Lavinia Baumstark, Robert J. Brecha, Ottmar Edenhofer, Elmar Kriegler
Physics Faculty Publications
We analyze the dynamics of global fossil resource markets under different assumptions for the supply of fossil fuel resources, development pathways for energy demand, and climate policy settings. Resource markets, in particular the oil market, are characterized by a large discrepancy between costs of resource extraction and commodity prices on international markets. We explain this observation in terms of (a) the intertemporal scarcity rent, (b) regional price differentials arising from trade and transport costs, (c) heterogeneity and inertia in the extraction sector. These effects are captured by the REMIND model. We use the model to explore economic effects of changes …
U.S. Drought Monitor, October 15, 2013, Richard Tinker
U.S. Drought Monitor, October 15, 2013, Richard Tinker
United States Agricultural Commodities in Drought Archive
Drought map of U.S. for October 15, 2013 (10/15/13) plus: U.S. crop areas experiencing drought (map), Approximate percentage of crop located in drought, by state (bar graph), Percent of crop area located in drought, past 52 weeks (line graph) for: Corn, Soybeans, Hay, Cattle, Winter wheat.
Examining The Relationship Between Drought Development And Rapid Changes In The Evaporative Stress Index, Jason A. Otkin, Martha C. Anderson, Christopher Hain, Mark D. Svoboda
Examining The Relationship Between Drought Development And Rapid Changes In The Evaporative Stress Index, Jason A. Otkin, Martha C. Anderson, Christopher Hain, Mark D. Svoboda
National Drought Mitigation Center: Faculty Publications
In this study, the ability of a new drought metric based on thermal infrared remote sensing imagery to provide early warning of an elevated risk for drought intensification is assessed. This new metric, called the rapid change index (RCI), is designed to highlight areas undergoing rapid changes in moisture stress as inferred from weekly changes in the evaporative stress index (ESI) generated using the Atmosphere–Land Exchange Inverse (ALEXI) surface energy balance model. Two case study analyses across the central United States revealed that the initial appearance of negative RCI values indicative of rapid increases in moisture stress preceded the introduction …
Determination Of Vegetative Cover Over Urban Areas Of Huntsville, Alabama Using Satellite Imagery, Ralph Evans
Determination Of Vegetative Cover Over Urban Areas Of Huntsville, Alabama Using Satellite Imagery, Ralph Evans
Von Braun Symposium Student Posters
No abstract provided.
Southeast Air Quality: A Wildfire And Aerosol Transport Study Using Satellite Remote Sensing, Eric Dobbs, Swatantra Kethireddy, Binita Kc, Jennifer Bell
Southeast Air Quality: A Wildfire And Aerosol Transport Study Using Satellite Remote Sensing, Eric Dobbs, Swatantra Kethireddy, Binita Kc, Jennifer Bell
Von Braun Symposium Student Posters
No abstract provided.