Abstract
Fate and transport of lead (Pb) are well studied in humid, high precipitation environments. Few studies have compared or addressed fate of lead (Pb) in arid, low precipitation areas where the soil binding capacity may differ from classic studies. The goal of this study is to identify the control of fate and transport in the arid section of Route 66 by determining the concentration, chemical forms, and surface transport mechanism of lead (Pb) along the arid section of Route 66. Understanding the fate and transport of lead (Pb) in different environments is key in the environmental mitigation of lead (Pb) contamination. Two sites were studied, site 1 and Site 2. Site 2 was found to have more samples with elevated levels of lead (Pb) than site 1. In both sites, elevated levels of lead (Pb) were found in the road berms and close to the road margin. Surface runoff is most likely the main surface transport mechanism and reducible lead (Pb) fraction is the most common chemical form. Data from this study suggest that soil texture is the main control of fate and transport of lead (Pb) in the arid section of Route 66.
LLU Discipline
Earth Sciences
Department
Earth Science
School
School of Medicine
First Advisor
Kevin E. Nick
Second Advisor
Ben Clausen
Third Advisor
Allen Cooper
Fourth Advisor
William Hayes
Fifth Advisor
Christopher Perry
Sixth Advisor
Ryan Sinclair
Degree Name
Doctor of Philosophy (PhD)
Degree Level
Ph.D.
Year Degree Awarded
2024
Date (Title Page)
6-2024
Language
English
Library of Congress/MESH Subject Headings
Lead--Environmental fate; Roadside soils--Lead contamination; Contaminant transport--Arid regions; Lead poisoning--Health promotion--Social media; Route 66 (U.S.)--Environmental conditions
Type
Dissertation
Page Count
xiii, 151 p.
Digital Format
Digital Publisher
Loma Linda University Libraries
Copyright
Author
Usage Rights
This title appears here courtesy of the author, who has granted Loma Linda University a limited, non-exclusive right to make this publication available to the public. The author retains all other copyrights.
Recommended Citation
Ombati, Dominic Joel, "Lead Along Arid Route 66: Concentration, Fate, Surface Transport, and Awareness" (2024). Loma Linda University Electronic Theses, Dissertations & Projects. 2707.
https://scholarsrepository.llu.edu/etd/2707
Collection
Loma Linda University Electronic Theses and Dissertations
Collection Website
http://scholarsrepository.llu.edu/etd/
Repository
Loma Linda University. Del E. Webb Memorial Library. University Archives