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Now showing items 61-80 of 146
An analysis of environmental influences on morphologies and tornadogenesis within quasi-linear convective systems
(University of Missouri--Columbia, 2013)
Mesoscale convective systems (MCSs) often take the form of quasi-linear convective systems (QLCSs) within the mid-latitudes of the United States. QLCSs have a quasi-linear convective precipitation structure either followed ...
Characterization of soil organic matter under varying conservation management practices
(University of Missouri--Columbia, 2012)
This study examined the effects of three conservation management practices (i.e., no-till, grass vegetative filter strips (VFS) and agroforestry VFS) and four landscape positions (i.e., summit, shoulder, backslope and ...
Neighboring upper level jet streaks, their proximity, and their synergestic coupling of the divergent regions
(University of Missouri--Columbia, 2013)
A reoccurring question when diagnosing the upper troposphere is: How close is close enough for jet streaks to be considered coupled? The phrase, 'coupled jet streaks' refers to two individual jet streaks working synergistically ...
Grain yield and greenhouse gas emissions from organic and conventional cropping systems on claypan soil landscapes
(University of Missouri--Columbia, 2015)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] With increasing world populations, farmers must become more efficient at producing food, fiber and fuel while reducing negative environmental impacts. ...
Influence of agroforestry buffers on soil hydraulic properties relative to row crop management
(University of Missouri--Columbia, 2015)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Agroforestry (AgB) and grass (GB) buffers have been developed as a part of the management system for row crop areas in temperate regions to improve ...
Long-term soil and crop management effects on soil physical properties related to soil erodibility
(University of Missouri--Columbia, 2015)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Long-term soil and cropping systems affect soil physical properties thereby effecting soil erosion and erodibility. Understanding the effects of crop ...
Soil hydraulic properties as influenced by prairie restoration
(University of Missouri--Columbia, 2015)
Prairies are complex living systems which play a vital role both biologically and ecologically in the environment and support a large amount of wildlife. Prairie restoration is an ecologically friendly way to restore prairie ...
Water infiltration and soil water content in claypan soils influenced by agroforestry and grass buffers compared to row crop management
(University of Missouri--Columbia, 2015)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The effects of agroforestry and grass-legume buffers on in situ water infiltration relative to row crop management (RC) were assessed for a claypan ...
Assessing the role of probiotics for the enhancement of soil quality under cover crops
(University of Missouri--Columbia, 2015)
Use of agro-chemicals over the past few decades has increased land productivity, however, frequent use of agro-chemicals may result in some negative impacts on the environment and soil microbial biodiversity. Use of ...
Use of slow-release N fertilizer to control nitrogen losses due to spatial and climatic differences in soil moisture conditions and drainage in claypan soils
(University of Missouri--Columbia, 2006)
Agricultural soils are a major source of nitrous oxide (N₂O) which has a significant environmental impact on global warming and ozone depletion. However, there is little information on soil N₂O emissions under different ...
A tall tower wind investigation of northwest Missouri
(University of Missouri--Columbia, 2007)
With energy needs on the rise and our current energy consumption methods polluting the atmosphere, it is the right time to look at alternative forms of energy production. Six Tall Tower wind observation sites were studied ...
Methods for high-resolution soil-landscape modeling in midwest upland landscapes
(University of Missouri--Columbia, 2008)
Traditional soil mapping concepts do not sufficiently address the spatial resolution of some soil management problems. Continuous models of soil profiles and landscapes are needed to move beyond the categorical paradigm ...
Analysis of cloud and cloud-to-ground lightning in winter convection
(University of Missouri--Columbia, 2008)
The combination of the full suite of cloud-to-ground (CG) and cloud stroke data is used to observe lightning in precipitation events involving winter precipitation. In particular, we observe data for the winter season of ...
On the synoptic and mesoscale organization of mid-latitude, continental convective snow events
(University of Missouri--Columbia, 2008)
An ingredients-based methodology was pursued in order to evaluate the likelihood of thunderstorms occurring in the presence of snowfall (i.e. thundersnow; TSSN). In order to properly distinguish from typical snowstorms ...
Elemental concentration changes in soil and stockpiled tall fescue leaves after liming
(University of Missouri--Columbia, 2006)
Tall fescue (Festuca arundinacea Schreb.) is the dominant forage in Missouri and grows primarily on acidic soils that possess little plant available phosphorus (P). Little is known about the effects of lime on the elemental ...
Variability of soil hydraulic properties and estimation of plant-available water on claypan-soil landscapes
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Soil hydraulic properties and plant-available water (PAW) capacity are critical properties in evaluating land management and soil productivity. This ...
Risk and stability of phosphate-immobilized lead in contaminated urban soil and mining sites in the Jasper County Superfund Site
(University of Missouri--Columbia, 2007)
In situ application of soluble phosphates and organic matter is considered to be a cost effective remediation technique for immobilizing lead (Pb) and other heavy metals and reducing health and ecological risks associated ...
Adsorption of isoxaflutole degradates to hydrous aluminum and iron oxides
(University of Missouri--Columbia, 2009)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Isoxaflutole (IXF) is a pre-emergence herbicide that is rapidly transformed to a more stable and soluble diketonitrile degradate (DKN) after field ...
Analysis of twenty-five years of heavy rainfall events in the Texas Hill Country
(University of Missouri--Columbia, 2008)
Forecasting heavy rain events and the area of greatest threat has been a long standing challenge in operational meteorology. This is especially true in certain regions where the physical geography lends itself to the ...
Optimizing crop N use efficiency using polymer-coated urea and other N fertilizer sources across landscapes with claypan soils
(University of Missouri--Columbia, 2008)
Development of improved management practices to increase nitrogen use efficiency (NUE) within agricultural fields is needed to improve crop production and reduce nitrogen (N) loss. Field studies planted to maize were ...