Index Catalog // ScholarsArchive@OSU

Data-driven diagnostics of terrestrial carbon dynamics over North America

Creator:: Xiao, Jingfeng, Ollinger, Scott V., Frolking, Steve, Hurtt, George C., Hollinger, David Y., Davis, Kenneth J., Pan, Yude, Zhang, Xiaoyang, Deng, Feng, Chen, Jiquan, Baldocchi, Dennis D., Law, Bevery E., Arain, M. Altaf, Desai, Ankur R., Richardson, Andrew D., Sun, Ge, Amiro, Brian, Margolis, Hank, Gu, Lianhong, Scott, Russell L., Blanken, Peter D., and Suykert, Andrew E.
Abstract:: The exchange of carbon dioxide is a key measure of ecosystem metabolism and a critical intersection between the terrestrial biosphere and the Earth’s climate. Despite the general agreement that the terrestrial ecosystems in North America provide a sizeable carbon sink, the size and distribution of the sink remain uncertain. We...
Resource Type:: Article

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

Water limitations on forest carbon cycling and conifer traits along a steep climatic gradient in the Cascade Mountains, Oregon

Creator:: Berner, L. T. and Law, B. E.
Abstract:: Severe droughts occurred in the western United States during recent decades, and continued human greenhouse gas emissions are expected to exacerbate warming and drying in this region. We investigated the role of water availability in shaping forest carbon cycling and morphological traits in the eastern Cascade Mountains, Oregon, focusing on...
Resource Type:: Article

Water limitations on forest carbon cycling and conifer traits along a steep climatic gradient in the Cascade Mountains, Oregon

Creator:: Berner, L. T. and Law, B. E.
Abstract:: Severe droughts occurred in the western United States during recent decades, and continued human greenhouse gas emissions are expected to exacerbate warming and drying in this region. We investigated the role of water availability in shaping forest carbon cycling and morphological traits in the eastern Cascade Mountains, Oregon, focusing on...
Resource Type:: Article

Evaluation and improvement of the Community Land Model (CLM4) in Oregon forests

Creator:: Hudiburg, T. W., Law, B. E., and Thornton, P. E.
Abstract:: Ecosystem process models are important tools for determining the interactive effects of global change and disturbance on forest carbon dynamics. Here we evaluated and improved terrestrial carbon cycling simulated by the Community Land Model (CLM4), the land model portion of the Community Earth System Model (CESM1.0.4). Our analysis was conducted...
Resource Type:: Article
Full Text:: . W. Hudiburg (hudiburg@illinois.edu), B. E. Law (bev.law@oregonstate.edu) and P. E. Thornton

Effects of heat and drought on carbon and water dynamics in a regenerating semi-arid pine forest: a combined experimental and modeling approach

Creator:: Ruehr, N. K., Law, B. E., Quandt, D., and Williams, M.
Abstract:: Predicting the net effects on the carbon and water balance of semi-arid forests under future conditions depends on ecosystem processes responding to changes in soil and atmospheric drought. Here we apply a combination of field observations and soil–plant–atmosphere modeling (SPA) to study carbon and water dynamics in a regenerating ponderosa...
Resource Type:: Article

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

ScholarsArchive@OSU

Data-driven diagnostics of terrestrial carbon dynamics over North America

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

Water limitations on forest carbon cycling and conifer traits along a steep climatic gradient in the Cascade Mountains, Oregon

Water limitations on forest carbon cycling and conifer traits along a steep climatic gradient in the Cascade Mountains, Oregon

Evaluation and improvement of the Community Land Model (CLM4) in Oregon forests

Effects of heat and drought on carbon and water dynamics in a regenerating semi-arid pine forest: a combined experimental and modeling approach

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

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