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Physical Sciences and Mathematics Commons™
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Articles 1 - 30 of 30
Full-Text Articles in Physical Sciences and Mathematics
Teleconnections In Steam: Antarctic Field-Camp Art, Craig Stevens, Gabby O'Connor
Teleconnections In Steam: Antarctic Field-Camp Art, Craig Stevens, Gabby O'Connor
The STEAM Journal
We describe a component of a multi-element STEAM collaboration looking to explore ideas around the life cycle of Antarctic sea ice. One of the intermediate phases of the work involved the scientist deploying partially pre-made art components. Results were modulated by weather and operational constraints and generated a sequence of images and recordings as well as greater understanding of the creative collaboration process.
Unsettled: How Climate Change Challenges A Foundation Of Our Legal System, And Adapting The Legal State, Victor B. Flatt
Unsettled: How Climate Change Challenges A Foundation Of Our Legal System, And Adapting The Legal State, Victor B. Flatt
BYU Law Review
One of the fundamental goals of law is to end disputes. This push to “settlement” is foundational and has historically worked to increase societal efficiency and justice by engendering legitimate expectations among the citizenry. However, the efficient nature of much legal finality, settlement and repose only exists against a background of evolution of the physical environment that is predictable and slowpaced. That background no longer exists. The alteration of the physical world, and thus, the background for our societal structure and decisions, is accelerating rapidly due to human-caused climate change. This creates a mismatch between the law’s tendency to finality …
Climate Change Adaptation Case Study: Benefit-Cost Analysis Of Coastal Flooding Hazard Mitigation, Will Cooper, Federico Garcia, Diana Pape, David Ryder, Ben Witherell
Climate Change Adaptation Case Study: Benefit-Cost Analysis Of Coastal Flooding Hazard Mitigation, Will Cooper, Federico Garcia, Diana Pape, David Ryder, Ben Witherell
Journal of Ocean and Coastal Economics
The damage Hurricane Sandy caused had far-reaching repercussions up and down the East Coast of the United States. Vast coastal flooding accompanied the storm, inundating homes, businesses, and utility and emergency facilities. Since the storm, projects to mitigate similar future floods have been scrutinized. Such projects not only need to keep out floodwaters but also be designed to withstand the effect that climate change might have on rising sea levels and increased flood risk.
In this study, we develop an economic model to assess the costs and benefits of a berm (sea wall) to mitigate the effects of flooding from …
Impact Of Climate Change On Corn Yields In Alabama, Pauline Welikhe, Joseph Essamuah-Quansah, Kenneth Boote, Senthold Asseng, Gamal El Afandi, Souleymane Fall, Desmond Mortley, Ramble Ankumah
Impact Of Climate Change On Corn Yields In Alabama, Pauline Welikhe, Joseph Essamuah-Quansah, Kenneth Boote, Senthold Asseng, Gamal El Afandi, Souleymane Fall, Desmond Mortley, Ramble Ankumah
Professional Agricultural Workers Journal
Abstract
The study used calibrated Crop Environment Resource Synthesis (CERES) maize (corn) model to simulate maize (corn) physiological growth processes and yields under 2045 and 2075 projected climate change scenarios for six representative counties in Alabama. The future climatologies for two emission scenarios Representative Concentration Pathway (RCP) 4.5 (medium) and RCP 8.5 (high) were developed based on the IPSL-CM5A-MR high resolution climate model. Average yield decreases of 19.5% and 37.3% were, respectively, projected under RCP 4.5 and RCP 8.5 for 2045, and average yield decreases of 32.5% and 77.8% were, respectively, projected under RCP 4.5 and RCP 8.5 for 2075. …
Seasonal Temperature Variations Controlling Cave Ventilation Processes In Cueva Larga, Puerto Rico, Rolf Vieten, Amos Winter, Sophie Friederike Warken, Andrea Schrӧder-Ritzrau, Thomas E. Miller, Denis Scholz
Seasonal Temperature Variations Controlling Cave Ventilation Processes In Cueva Larga, Puerto Rico, Rolf Vieten, Amos Winter, Sophie Friederike Warken, Andrea Schrӧder-Ritzrau, Thomas E. Miller, Denis Scholz
International Journal of Speleology
Two years of cave monitoring investigate ventilation processes in Cueva Larga, a tropical cave in Puerto Rico. The cave is 1,440 m long with a large main passage (about 120,000 m3). Cave air pCO2 in the main passage varies seasonally, between 600 ppm in winter and 1,800 ppm in summer. The seasonal variability in cave pCO2 permits the estimation of a cave air exchange time of 36 ± 5 days and a winter ventilation rate of 3,300 ± 1,000 m3/day for the main cave passage. Calculations of virtual temperature and differences between cave and …
Breakdown Of Itcz-Like Pv Patterns, Ajay Raghavendra, Thomas A. Guinn
Breakdown Of Itcz-Like Pv Patterns, Ajay Raghavendra, Thomas A. Guinn
Beyond: Undergraduate Research Journal
The Inter-Tropical Convergence Zone (ITCZ) is a zonal belt of intense convection, responsible for the genesis of over 80% of all tropical cyclones. This region of intense diabatic heating and shear results in a maximum of Ertel's potential vorticity (PV) meeting Rayleigh's necessary condition for barotropic instability. A fundamental issue is understanding the necessary precursor events leading to the breakdown of the ITCZ and subsequent formation of tropical cyclones. Our research examines the non-linear PV dynamics of the breakdown of both finite-length and infinite-length vorticity strips of varying widths and shapes, simulating the ITCZ found near the tropical eastern Pacific …
Measurement Of The Ocean Economy From National Income Accounts To The Sustainable Blue Economy, Charles S. Colgan
Measurement Of The Ocean Economy From National Income Accounts To The Sustainable Blue Economy, Charles S. Colgan
Journal of Ocean and Coastal Economics
The widespread efforts to incorporate the economic values of oceans into national income accounts have reached a stage where coordination of national efforts is desirable. A symposium held in 2015 began this process by bringing together representatives from ten countries. The symposium concluded that a definition of core ocean industries was possible but beyond that core the definition of ocean industries is in flux. Better coordination of ocean income accounts will require addressing issues of aggregation, geography, partial ocean industries, confidential, and imputation is also needed. Beyond the standard national income accounts, a need to incorporate environmental resource and ecosystem …
Long Reach Cove, Sally Bliumis-Dunn
The Egg Masses Of The Moon Snail, Kim Roberts
In My Father's Boots, Michael G. Dunn
Editor's Note, Linda Buckmaster
Using A High-Altitude Balloon Platform To Observe And Measure Ozone Uptake Over Agricultural Landscapes In Central Illinois, Cody Sabo
DePaul Discoveries
An increase in the amount of factories and machines that emit greenhouse gases (GHGs) has caused the concentration of GHGs to rise steeply since the industrial era. These emissions create compounds that react with sunlight to form ozone, a GHG. Ozone not only traps heat in the atmosphere causing long-term global issues, but it also causes direct harm to both plants and animals. The damage that ozone causes to plants is due to plants taking the gas up through their stomata. Measuring ozone uptake has traditionally been a difficult and expensive process. This study proposes a novel approach towards measuring …
Combinatory Effect Of Changing Co2, Temperature, And Long-Term Growth Temperature On Isoprene Emissions, Michael Cole
Combinatory Effect Of Changing Co2, Temperature, And Long-Term Growth Temperature On Isoprene Emissions, Michael Cole
DePaul Discoveries
Isoprene, the most abundant hydrocarbon in the atmosphere, plays a significant role in atmospheric chemistry. Its reactions with NOx lead to the formation of ozone in the lower troposphere, which is harmful to plants and detrimental to human health. As air temperatures and CO2 concentrations increase with climate change, it is uncertain how isoprene emissions from plants will respond. We hypothesized that isoprene emissions will increase with the combination of increasing temperature and CO2 concentrations. We predict that oaks grown at a higher temperature will exhibit an increase in isoprene emissions with combined short-term increases in temperature …
The Correlation Between Basal Isoprene Emissions And Climate Of The Native Range Across Oak Species, Mary J. Babiez
The Correlation Between Basal Isoprene Emissions And Climate Of The Native Range Across Oak Species, Mary J. Babiez
DePaul Discoveries
Isoprene is a biogenic volatile organic compound that is emitted by various plant species and plays an important role in the chemistry of the atmosphere. When it reacts with pollutants in the air, such as nitrogen oxides, the precursor to ozone (O3) is formed. In this experiment, we measured leaf emissions from 20 different oak species at the Morton Arboretum (Lisle, Illinois). The aim was to better understand differences in isoprene emissions across oak species. Since emissions have been found to protect leaves against brief periods of heat stress, we hypothesized that oaks native to areas with greater …
Quantifying The Effects Of Humidity On Density Altitude Calculations For Professional Aviation Education, Thomas A. Guinn, Randell J. Barry
Quantifying The Effects Of Humidity On Density Altitude Calculations For Professional Aviation Education, Thomas A. Guinn, Randell J. Barry
International Journal of Aviation, Aeronautics, and Aerospace
The effects of humidity on density altitude are quantified in detail and graphically represented as a function of temperature and dew-point temperature for ease of use in professional aviation education. A ten-year climatology of dew-point temperatures for various representative locations throughout the United States is created to provide a basis for comparison and use with the graphical displays. Density altitude is demonstrated to be a function only of dew-point temperature for a given pressure altitude. The absolute errors between density altitude calculations that incorporate humidity to those that do not are combined with linear regression techniques to create a simple …
Trajectory Analysis Of Black Carbon In The Arctic Region, Kimberly Gottschalk
Trajectory Analysis Of Black Carbon In The Arctic Region, Kimberly Gottschalk
PSU McNair Scholars Online Journal
Black carbon (BC) is a troubling particulate. Commonly known as soot, BC forms through the incomplete combustion of fossil fuels, biofuels, and biomass. It has a very low albedo compared to natural particulates making it a very efficient absorber of solar radiation. As BC is deposited on snow and ice, albedo is decreased - enhancing solar heating and increasing meltwater production. With rising air temperatures, melting rates of polar ice are increasing and are being enhanced by BC, leading to accelerated global sea level rise.
This study aimed to document sources and deposition areas of BC in the Arctic. Utilizing …
Marine Sciences At The University Of Maine, 1960-2015, Catherine Schmitt, Shelby Hartin
Marine Sciences At The University Of Maine, 1960-2015, Catherine Schmitt, Shelby Hartin
Maine History
The development of marine science research, teaching, and service at the University of Maine formally began in 1965, when Ira Darling and Clare Shane Darling transferred their 127-acre farm and woodlot on the Damariscotta River in South Bristol to the University. Their express purpose was to establish a marine laboratory. The gift fulfilled the decades old desire by University of Maine scientists and administrators to do just that. UMaine quickly began hiring faculty, starting research projects, building structures, developing courses, and creating ties to state and federal agencies. The transition from farm to world-class facility and laboratory was gradual, with …
Assessment On Long-Term Fluctuations Of Runoff And Its Climate Driving Factors, Hong-Bo Zhang, Wen-Cheng Huang, Qiu-Yi Xi, Bin Wang, Tian Lan
Assessment On Long-Term Fluctuations Of Runoff And Its Climate Driving Factors, Hong-Bo Zhang, Wen-Cheng Huang, Qiu-Yi Xi, Bin Wang, Tian Lan
Journal of Marine Science and Technology
The Jing River is the largest tributary of the Wei River in northwestern China. Studying the long-term characteristics of its runoff is of significance to water resources planning and management as well as the design of hydraulic engineering activities at the local and Wei River basin scales in the present and future. Several methods were utilized in this study to investigate the long-term fluctuations in runoff for the Jing River, including continuous wavelet analysis, the HilbertHuang transform and correlational analysis. Furthermore, the responses of runoff to various climatic and meteorological factors including precipitation, evaporation, solar activity and the El Niño-Southern …
A Step In The Right Direction: Streambank Restoration Efforts At The Botanical Garden Of The Ozarks, Dylan S. Milholen, Madison Brown, Steven Thao, Lisa S. Wood
A Step In The Right Direction: Streambank Restoration Efforts At The Botanical Garden Of The Ozarks, Dylan S. Milholen, Madison Brown, Steven Thao, Lisa S. Wood
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
The Botanical Garden of the Ozarks (BGO) is a unique destination in Northwest Arkansas that draws more than 80,000 visitors a year. While the BGO manages low-input practices, run-off from pesticide application and synthetic fertilizers containing phosphorus and nitrogen are of concern to water quality, habitat, and overall ecological interactions of the BGO streambanks and adjacent Hilton Creek, which flows directly into Lake Fayetteville. One way to reduce pollution to waterbodies is through the use of riparian buffers. This project sought to establish a riparian buffer immediately adjacent to a portion of Hilton Creek in an effort to improve ecological …
Impact Of Climate Variations On Soybean Yield In Eastern Arkansas: 1960-2014, J. W. Magugu, S. Feng, Q. Huang, K. Luthra
Impact Of Climate Variations On Soybean Yield In Eastern Arkansas: 1960-2014, J. W. Magugu, S. Feng, Q. Huang, K. Luthra
Journal of the Arkansas Academy of Science
Climate is the major factor affecting crop production; therefore, various agro-meteorological indicators have been frequently used to evaluate the impact of climate on crop production. In this study, we examined the temporal variations of agrometeorological indicators (growing degree days, total precipitation, dry spells and drought indices) during 1960-2014 and their impact on soybean yields in East Arkansas. Results show an increasing trend in growing degree days (GDDs) and dry spells, though the total precipitation during the soybean growing season remained nearly unchanged during the study period. Generally, GDDs and dry spells show a strong correlation with yields. We also evaluated …
Changing Winds And Rising Tides On Beach Renourishment In Florida: Short-Term Alternatives And Long-Term Sustainable Solutions Using Law And Policy From Florida And Nearby States, Lewis Van Alstyne Iii
Changing Winds And Rising Tides On Beach Renourishment In Florida: Short-Term Alternatives And Long-Term Sustainable Solutions Using Law And Policy From Florida And Nearby States, Lewis Van Alstyne Iii
Florida A & M University Law Review
Sandy beaches make up 825 miles of Florida's 1,260 total miles of coastline around the Sunshine State's peninsula. These beaches are changing over time due to the natural erosional forces of wind and water. Coastal engineering attempts to halt natural forces with man-made structures such as buildings, piers, groins, jetties, breakwaters, sea walls, ports, inlets, and in some cases, it creates new sandy beaches and world-class cities where none existed. In an effort to protect the new real estate from the erosion that has always existed, engineers created beach nourishment. This Article focuses on building up beaches through beach nourishment. …
Margaret Chase Smith Essay: Maine And Climate Change: The View From Greenland, Angus King
Margaret Chase Smith Essay: Maine And Climate Change: The View From Greenland, Angus King
Maine Policy Review
Senator King discusses the issue of climate change and what it may mean for Maine and the nation in light of trip he took to Greenland in August 2016.
The Tornado That Struck Embry-Riddle Aeronautical University On Christmas Day, 2006: Lessons Learned From A Near-Miss, John M. Lanicci
The Tornado That Struck Embry-Riddle Aeronautical University On Christmas Day, 2006: Lessons Learned From A Near-Miss, John M. Lanicci
Journal of Aviation/Aerospace Education & Research
An F2 tornado that touched down in Daytona Beach on Christmas Day afternoon caused over $50 million of damage to the Embry-Riddle Aeronautical University campus and nearby neighborhoods. The tornado was part of a severe-weather outbreak over Florida, Georgia, and South Carolina that began during the overnight hours of 25 December 2006. Examination of surface and upper-level meteorological charts and vertical soundings on the morning of 25 December showed stability and wind-shear conditions favorable for tornadic thunderstorms over this region. The evolution of the squall line that moved through east-central Florida, and the parent thunderstorm that produced the tornado was …
Hydrodynamic Variability In A Microtidal Coastal Bay Geographically Susceptible To North East Trade Winds, Israel Medina-Gómez, Cecilia Enríquez, Björn Kjerfve, Ismael Mariño, Jorge Herrera-Silveira
Hydrodynamic Variability In A Microtidal Coastal Bay Geographically Susceptible To North East Trade Winds, Israel Medina-Gómez, Cecilia Enríquez, Björn Kjerfve, Ismael Mariño, Jorge Herrera-Silveira
Gulf and Caribbean Research
The ecological integrity and overall health conditions of natural coastal systems are largely based upon the balance among physical processes. The objective of this study was to assess the effects of tides and winds on the water level variability, circulation patterns, and turnover time in Bahia de la Ascension (BA), a shallow, tropical coastal bay in the Mexican Caribbean prone to the influence of Trade winds due to its geographical location. The analysis of the hydrodynamics of BA using a 2D numerical model indicates that the tidal flow in the inlets and central basin of the bay vary by tidal …
Annual Summary Of Weather Data For Parsons, M. Knapp
Annual Summary Of Weather Data For Parsons, M. Knapp
Kansas Agricultural Experiment Station Research Reports
Weather Data for Parsons, Kansas, 2015.
Precipitation Data, M. Knapp
Precipitation Data, M. Knapp
Kansas Agricultural Experiment Station Research Reports
Precipitation data for agricultural experiment stations in Kansas, 2014-2015.
Weather Information For Garden City, 2015, J. Elliott
Weather Information For Garden City, 2015, J. Elliott
Kansas Agricultural Experiment Station Research Reports
Precipitation for 2015 totaled 23.27 in. This was 4.03 in. above the 30-year average of 19.24 in. and was nearly identical to 2014. Significant blowing dust was not observed in 2015. May and July had notably high precipitation with 6.38 in. and 5.36 in., respectively, which nearly doubled normal precipitation for these months. Hail was not observed in 2015. The largest daily rainfall was 1.94 in. on October 22. Sixteen days in May recorded measurable moisture.
Weather Information For Tribune, H. D. Bond, R. Mai
Weather Information For Tribune, H. D. Bond, R. Mai
Kansas Agricultural Experiment Station Research Reports
In 2015, annual precipitation of 21.72 in. was recorded, which is 3.82 in. above normal. Seven months had above-normal precipitation. May (6.16 in.) was the wettest month. The largest single amount of precipitation was 1.86 in. on July 20. December, the driest month, only recorded 0.08 in. of precipitation.