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Articles 1 - 14 of 14

Full-Text Articles in Environmental Sciences

Sinkhole Vulnerability Mapping: Results From A Pilot Study In North Central Florida, Clint Kromhout, Alan E. Baker Oct 2015

Sinkhole Vulnerability Mapping: Results From A Pilot Study In North Central Florida, Clint Kromhout, Alan E. Baker

Sinkhole Conference 2015

At the end of June in 2012, Tropical Storm Debby dropped a record amount of rainfall across Florida which triggered hundreds, if not thousands, of sinkholes to form which resulted in tremendous damage to property. The Florida Division of Emergency Management contracted with the Florida Department of Environmental Protection’s Florida Geological Survey to produce a map depicting the state’s vulnerability to sinkhole formation. The three-year project began with a pilot study in three northern Florida counties: Columbia, Hamilton and Suwannee. Utilizing the statistical modeling method Weights of Evidence, results from the pilot study yielded a 93 percent success rate of …


Using Electrical Resistivity Imaging To Characterize Karst Hazards In Southeastern Minnesota Agricultural Settings, Toby Dogwiler, Blake Lea Oct 2015

Using Electrical Resistivity Imaging To Characterize Karst Hazards In Southeastern Minnesota Agricultural Settings, Toby Dogwiler, Blake Lea

Sinkhole Conference 2015

Much of the Driftless Area of southeastern Minnesota is underlain by karstified carbonate bedrock. Land use in this karst terrain is dominated by agriculture, including row crop and dairy operations. The karst in this region is often mantled with up to 15 m of soil and unconsolidated sediments. As a result, underlying karst hazards such as incipient sinkholes are often hidden until they are suddenly revealed by the collapse of subsurface voids. Regionally, the economics of the dairy industry is causing a trend toward the consolidation and expansion of existing operations. As concentrated animal feeding operations (CAFO) or feedlots expand, …


Seeps And Springs At A Platteville “Observatory” On The River Bluffs, Bj Bonin, Greg Brick, Julia R. Steenberg Oct 2015

Seeps And Springs At A Platteville “Observatory” On The River Bluffs, Bj Bonin, Greg Brick, Julia R. Steenberg

Sinkhole Conference 2015

Residential building construction along the Mississippi River bluffs in the 1970s created a unique enclosed outcrop of the Late Ordovician Platteville Formation at Lilydale, Minnesota. This outcrop was examined in early 2013 after a newly-formed spring flooded an elevator shaft the previous year, drawing attention to the foundation conditions. The Lexington Riverside property is a six story condominium complex constructed within the top of the bluff. A two-level underground parking garage was built into the bluff. Bedrock was mechanically excavated to accommodate the construction of the building, creating an unweathered rock surface. The space between the structure and the excavated …


Crowdsourcing Global Wastewater Data, Don Mosteller, Sam Cohen, Cory Nestor, Angel Hsu, Omar Malik Sep 2015

Crowdsourcing Global Wastewater Data, Don Mosteller, Sam Cohen, Cory Nestor, Angel Hsu, Omar Malik

Yale Day of Data

No time to waste: Crowdsourcing global wastewater treatment data

Worldwide, over 80 percent of wastewater is discharged into water bodies without undergoing treatment, severely impairing human well-being and ecosystem vitality along the way. National performance on wastewater treatment is difficult to quantify and is poorly understood due to a lack of common definitions, poor data collection standards, and limited historical data. To address this, the Yale Environmental Performance Index (EPI), a research group that produces a biennial ranking of country-level environmental performance, developed a first-of-its kind national wastewater treatment indicator.[1]

The indicator assesses wastewater treatment performance for 183 countries, …


Forecasting The Big Picture: Arctic Ecosystems, Climate Change, Shipping & Fisheries, Mary S. Wisz Aug 2015

Forecasting The Big Picture: Arctic Ecosystems, Climate Change, Shipping & Fisheries, Mary S. Wisz

ShipArc 2015 Conference

No abstract provided.


Ship Generated Waste In The Arctic : Marine Debris, Marpol & The Polar Code, David Condino Aug 2015

Ship Generated Waste In The Arctic : Marine Debris, Marpol & The Polar Code, David Condino

ShipArc 2015 Conference

No abstract provided.


Arctic Maritime Activities In Changing Climatic & Market Conditions: Impacts On Local Community Security & Adaptation, Julia Olsen, Grete K. Hovelsrud Aug 2015

Arctic Maritime Activities In Changing Climatic & Market Conditions: Impacts On Local Community Security & Adaptation, Julia Olsen, Grete K. Hovelsrud

ShipArc 2015 Conference

No abstract provided.


Knowledge Discovery Of Human Activities At Sea In The Arctic Using Remote Sensing And Vessel Tracking Systems, Michele Vespe, Harm Greidanus, Carlos Santamaria, Thomas Barbas Aug 2015

Knowledge Discovery Of Human Activities At Sea In The Arctic Using Remote Sensing And Vessel Tracking Systems, Michele Vespe, Harm Greidanus, Carlos Santamaria, Thomas Barbas

ShipArc 2015 Conference

No abstract provided.


State-Of-Knowledge On Changing Arctic Environmental Conditions, David Carlson Aug 2015

State-Of-Knowledge On Changing Arctic Environmental Conditions, David Carlson

ShipArc 2015 Conference

No abstract provided.


Modern Study Of Environmental Pollution From The Emission Of Alpha Particles In Human Blood Samples In The City Of Najaf, Iraq, Basim A. Almayahi Aug 2015

Modern Study Of Environmental Pollution From The Emission Of Alpha Particles In Human Blood Samples In The City Of Najaf, Iraq, Basim A. Almayahi

21st International Conference on Environmental Indicators (ICEI 2015)

No abstract provided.


Sensitivity And Uncertainty Analysis Of Epic To Simulate Phosphorus Loss From Agricultural Land In Ontario, Zaozhi Wang, Tiequan Zhang, Chin Tan Aug 2015

Sensitivity And Uncertainty Analysis Of Epic To Simulate Phosphorus Loss From Agricultural Land In Ontario, Zaozhi Wang, Tiequan Zhang, Chin Tan

21st International Conference on Environmental Indicators (ICEI 2015)

No abstract provided.


Using Ecological Indicators To Assess Ecosystem Health In Tropical Reservoirs In Brazil, Juliana Pomari, Douglas Kane, Rosa Antonia Romero Ferreira, Marcos Gomes Nogueira Aug 2015

Using Ecological Indicators To Assess Ecosystem Health In Tropical Reservoirs In Brazil, Juliana Pomari, Douglas Kane, Rosa Antonia Romero Ferreira, Marcos Gomes Nogueira

21st International Conference on Environmental Indicators (ICEI 2015)

No abstract provided.


Using Agri-Environmental Indicators To Communicate Risks To Water Quality From Horticulture Production In Ontario, Donna Speranzini, V. Li, A. Jamieson, P. Handyside, D. K. Reid, P. Joose Aug 2015

Using Agri-Environmental Indicators To Communicate Risks To Water Quality From Horticulture Production In Ontario, Donna Speranzini, V. Li, A. Jamieson, P. Handyside, D. K. Reid, P. Joose

21st International Conference on Environmental Indicators (ICEI 2015)

No abstract provided.


Urban Scale Modeling Of Atmospheric Carbon Dioxide And Validation Of Emission Inventories, James E. Powell, Christopher L. Butenhoff, Andrew L. Rice May 2015

Urban Scale Modeling Of Atmospheric Carbon Dioxide And Validation Of Emission Inventories, James E. Powell, Christopher L. Butenhoff, Andrew L. Rice

Student Research Symposium

There exists a pressing need for high resolution emissions inventories for cities. For greenhouse gases, cities and regions need a careful analysis of their carbon footprint to design effective policies to control and mitigate emissions. High resolution emissions inventories can be used in conjunction with meteorology models and atmospheric measurements to place top-down constraints on emissions. High resolution emissions inventories for criteria pollutants like NOx, CO, and O3 enable urban-scale air pollution modeling down to the neighborhood level. For example, the Vulcan project estimates CO2 using county-scale vehicle miles traveled (VMT) from the National Mobile Inventory …