Index Catalog // ScholarsArchive@OSU

Remote sensing of radiation intercepted by vegetation to estimate aboveground net primary production across western Oregon

Creator:: Law, Beverly E.
Abstract:: Remote sensing of variables necessary to estimate net primary production of vegetation over large temporal and spatial scales has been a goal of climate change research. This thesis consists of two studies that address the reliability of satellite and airborne sensors to quantify a basic component of all production models,...
Resource Type:: Dissertation

Thinning effects on forest productivity: Consequences of preserving old forests and mitigating impacts of fire and drought

Creator:: Law, Beverly E., Hudiburg, Tara W., and Luyssaert, Sebastiaan
Abstract:: Background: Management strategies have been proposed to minimise the effects of climate change on forest resilience. Aims: We investigated the Pacific Northwest US region forest carbon balance under current practices, and changes that may result from management practices proposed for the region’s 34 million ha of forests to mitigate climate...
Resource Type:: Article
Full Text:: preserving old forests and mitigating 1 impacts of fire and drought 2 3 Beverly E. Law * 1 , Tara W

Empirical assessment of uncertainties of meteorological parameters and turbulent fluxes in the AmeriFlux network

Creator:: Schmidt, Andres, Hanson, Chad, Chan, W. Stephen, and Law, Beverly E.
Abstract:: Terrestrial ecosystem-atmosphere exchange of carbon, water vapor, and energy has been measured for over a decade at many sites globally. To minimize measurement and analysis errors, quality assurance data have been collected over short periods along-side tower instruments at AmeriFlux research sites. Theoretical and empirical error and uncertainty values have...
Resource Type:: Article
Full Text:: . Chan, and B. E. Law (2012), Empirical assessment of uncertainties of meteorological parameters and

Nocturnal subcanopy flow regimes and missing carbon dioxide

Creator:: Vickers, Dean, Irvine, James, Martin, Jonathan G., and Law, Beverly E.
Abstract:: Two distinct nocturnal subcanopy flow regimes are observed beneath a tall (16 m) open pine forest canopy. The first is characterized by weaker mixing, stronger stability, westerly downslope flow decoupled from the flow above the canopy and much smaller than expected ecosystem respiration from the eddy flux plus storage measurements...
Resource Type:: Article
Full Text:: , OR,3 U.S.A.4 James Irvine, Jonathan G. Martin and Beverly E. Law5 College of Forestry, Oregon

Toward biologically meaningful net carbon exchange estimates for tall, dense canopies: Multi-level eddy covariance observations and canopy coupling regimes in a mature Douglas-fir forest in Oregon

Creator:: Thomas, Christoph K., Martin, Jonathan G., Law, Beverly E., and Davis, Kent
Abstract:: We sought to improve net ecosystem exchange (NEE) estimates for a tall, dense, mature Douglas-Fir forest in the Oregon Coast range characterized by weak flows, systematic wind directional shear, and limited turbulent mixing throughout the diurnal period. We used eddy covariance (EC) observations at two levels and concurrent biological measurements...
Resource Type:: Article
Full Text:: , Beverly E. Lawb, Kent Davisb aCollege of Earth, Ocean & Atmospheric Sciences, Oregon State University

Sensitivity of a subregional scale atmospheric inverse CO₂ modeling framework to boundary conditions

Creator:: Göckede, Mathias, Turner, David P., Michalak, Anna M., Vickers, Dean, and Law, Beverly E.
Abstract:: We present an atmospheric inverse modeling framework to constrain terrestrial biosphere CO₂ exchange processes at subregional scales. The model is operated at very high spatial and temporal resolution, using the state of Oregon in the northwestern United States as the model domain. The modeling framework includes mesoscale atmospheric simulations coupled...
Resource Type:: Article
Full Text:: , and B. E. Law (2010), Sensitivity of a subregional scale atmospheric inverse CO2 modeling framework to

LawBeverlyForestryPostfireInfluencesSnag_AuxiliaryMaterial.pdf

Creator:: O'Halloran, Thomas L., Acker, Steven A., Joerger, Verena M., Kertis, Jane, and Law, Beverly E.
Abstract:: This paper examines albedo perturbation and radiative forcing after a high-severity fire in a mature forest in the Oregon Cascade Range. Correlations between postfire albedo and seedling, sapling, and snag (standing dead tree) density were investigated across fire severity classes and seasons for years 4-15 after fire. Albedo perturbation was...
Full Text:: . Joerger1, Jane Kertis3, Beverly E. Law4 1 – Sweet Briar College, Department of Environmental Science

LawBeverlyForestryPostfireInfluencesSnag.pdf

Creator:: O'Halloran, Thomas L., Acker, Steven A., Joerger, Verena M., Kertis, Jane, and Law, Beverly E.
Abstract:: This paper examines albedo perturbation and radiative forcing after a high-severity fire in a mature forest in the Oregon Cascade Range. Correlations between postfire albedo and seedling, sapling, and snag (standing dead tree) density were investigated across fire severity classes and seasons for years 4-15 after fire. Albedo perturbation was...
Full Text:: ., Acker, S. A., Joerger, V. M., Kertis, J., & Law, B. E. (2014). Postfire influences of snag attrition on

Forest Fire Impacts on Carbon Uptake, Storage, and Emission: The Role of Burn Severity in the Eastern Cascades, Oregon

Creator:: Meigs, Garrett W., Donato, Daniel C., Campbell, John L., Martin, Jonathan G., and Law, Beverly E.
Abstract:: This study quantifies the short-term effects of low-, moderate-, and high-severity fire on carbon pools and fluxes in the Eastern Cascades of Oregon. We surveyed 64 forest stands across four fires that burned 41,000 ha (35%) of the Metolius Watershed in 2002 and 2003, stratifying the landscape by burn severity...
Resource Type:: Article
Full Text:: ; most precipitation falls as snow between October and June (Law and others 2001a). From W to E across

Postfire influences of snag attrition on albedo and radiative forcing

Creator:: O'Halloran, Thomas L., Acker, Steven A., Joerger, Verena M., Kertis, Jane, and Law, Beverly E.
Abstract:: This paper examines albedo perturbation and radiative forcing after a high-severity fire in a mature forest in the Oregon Cascade Range. Correlations between postfire albedo and seedling, sapling, and snag (standing dead tree) density were investigated across fire severity classes and seasons for years 4-15 after fire. Albedo perturbation was...
Resource Type:: Article

ScholarsArchive@OSU

Remote sensing of radiation intercepted by vegetation to estimate aboveground net primary production across western Oregon

Thinning effects on forest productivity: Consequences of preserving old forests and mitigating impacts of fire and drought

Empirical assessment of uncertainties of meteorological parameters and turbulent fluxes in the AmeriFlux network

Nocturnal subcanopy flow regimes and missing carbon dioxide

Toward biologically meaningful net carbon exchange estimates for tall, dense canopies: Multi-level eddy covariance observations and canopy coupling regimes in a mature Douglas-fir forest in Oregon

Sensitivity of a subregional scale atmospheric inverse CO₂ modeling framework to boundary conditions

LawBeverlyForestryPostfireInfluencesSnag_AuxiliaryMaterial.pdf

LawBeverlyForestryPostfireInfluencesSnag.pdf

Forest Fire Impacts on Carbon Uptake, Storage, and Emission: The Role of Burn Severity in the Eastern Cascades, Oregon

Postfire influences of snag attrition on albedo and radiative forcing

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