Graduation Date
Summer 2020
Document Type
Thesis
Program
Master of Science degree with a major in Natural Resources: option Environmental Science and Management
Committee Chair Name
Kevin Fingerman
Committee Chair Affiliation
HSU Faculty or Staff
Second Committee Member Name
Jeffery Kane
Second Committee Member Affiliation
HSU Faculty or Staff
Third Committee Member Name
Harold Zald
Third Committee Member Affiliation
HSU Faculty or Staff
Subject Categories
Environmental Science and Management
Abstract
Decay of woody debris is a major carbon flux for forests. Decay processes are not well documented in forest modeling frameworks but play an important role in forest carbon cycling and life cycle assessments of forest-derived products. The main drivers of decay are species, vertical location, and climate. A database of literature values for decay by tree species was created to parameterize a larger model of California forestland carbon cycling. A novel methodology was applied to vary these decay values for each species spatially based on climatic drivers of decay. This resulted in decay values for each species and size class as well as the weighted average at each site across the state of California. These decay values can be reported as 50% residence times ranging from 4 to 144 years for coarse woody debris, giving forest managers a better sense of how long residues will persist in the field once they are created. The residence times can be further adapted to account for the effect of piling materials on decay rate. This approach could be extended beyond California to show decay variation in other systems.
Citation Style
APA
Recommended Citation
Blasdel, Max A., "Decay of woody residues as the counterfactual treatment to mobilization for bioelectricity generation" (2020). Cal Poly Humboldt theses and projects. 420.
https://digitalcommons.humboldt.edu/etd/420
Comments
Original degree title: Master of Science degree with a major in Natural Resources, option Environmental & Natural Resource Sciences