Index Catalog // ScholarsArchive@OSU

Measuring costs of sequestering carbon in forest stands with different management regimes in western Oregon

Creator:: Zyrina, Olga A.
Abstract:: This project was a part of larger work that compared major factors controlling patterns of carbon dynamics in two regions of the globe, the Pacific Northwest, USA and northwestern Russia. It was funded through the NASA foundation (grant # NAG5- 6242). Human economic activity is causing the release of pollutants...
Resource Type:: Masters Thesis
Full Text:: Sequestering Carbon in Forest Stands with Different Management Regimes in Western Oregon. Abstract approved

The distribution and partitioning of dissolved organic matter off the Oregon Coast : a first look

Creator:: Hill, Jon K.
Abstract:: The purpose of this thesis is to provide a first look at the spatial and temporal distributions of dissolved organic material (DOM) off the Oregon coast of North America. While this paper is not a comprehensive examination of these distributions, several patterns are identified as promising candidates for continued research....
Resource Type:: Masters Thesis
Full Text:: ) .................................................................. 21 3.2 Distribution of total organic carbon in the surface waters off Oregon and southern Washington

Climate, management, and forest type influences on carbon dynamics of West-Coast US forests

Creator:: Hudiburg, Tara M.
Abstract:: Net uptake of carbon from the atmosphere (net ecosystem production, NEP) is dependent on climate, disturbance history, management practices, forest age, and forest type. To improve understanding of the influence of these factors on forest carbon flux in the western U.S., a combination of federal inventory data and supplemental ground...
Resource Type:: Masters Thesis
Full Text:: patterns of NPP, mortality, and live and dead carbon stores in different ecoregions of Oregon and

Carbon and energy exchange of semi-arid ecosystems with heterogeneous canopy structure

Creator:: Anthoni, Peter M.
Abstract:: Carbon and energy fluxes were measured with the eddy covariance technique above two semi-arid ecosystems, ponderosa pine and juniper/sagebrush, located in central Oregon. The two ecosystems have low LAI and a very open canopy structure. The energy closure was ~70-80% at both ecosystems, equivalent to an imbalance of 150-250 W...
Resource Type:: Dissertation
Full Text:: ). To balance the global carbon cycle (years 1980-1989) with emissions from fossil fuel (-5.5 ± 0.5 Gt

Causes and consequences of uncertainty in the application of a biogeochemical model to a large geographic region

Creator:: Kennedy, Robert Emmet, 1970-
Abstract:: When biogeochemical models are applied to large regions, the values of key model parameters are often unknowable. Through field and modeling studies, I examined the potential impact of such uncertainty on estimates of carbon cycling in western Oregon. I found that variation in key leaf traits could be interpreted ecologically,...
Resource Type:: Dissertation

Metabolism of one carbon (C1) and methylated compounds in SAR11 bacteria

Creator:: Sun, Jing
Abstract:: SAR11 Alphaproteobacteria are the most abundant aerobic chemoheterotrophs in ocean surface waters. Previous studies have indicated SAR11 cells play an important role in marine carbon cycling and consume up to half of some common dissolved organic compounds, such as amino acids. During sequencing of the first SAR11 genome, genes for...
Resource Type:: Dissertation
Full Text:: one of Earth’s major carbon reservoirs, and is a critical component of the global carbon cycle

Potential impacts of climate change on vegetation distributions, carbon stocks, and fire regimes in the U.S. Pacific Northwest

Creator:: Rogers, Brendan M.
Abstract:: The U.S Pacific Northwest contains a wide variety of ecosystems, all subject to relatively dry summers and wet winters. As has been shown with paleoclimatic and paleoecological data, the region is vulnerable to changes in climate. We assessed the sensitivities of vegetation distributions, carbon stocks, and fire regimes to 21st...
Resource Type:: Masters Thesis
Full Text:: 7. Histograms of total live carbon in FIA plots across Oregon from

Carbon cycling and priming of soil organic matter decomposition in a forest soil following glucose additions

Creator:: Diaz, David D.
Abstract:: Soils are a globally significant carbon (C) pool and have the potential to respond to elevated CO2 and environmental changes through positive feedback cycles that enhance the turnover of soil organic matter (SOM). Understanding the mechanisms governing the turnover of SOM is particularly important for modeling the fate of C...
Resource Type:: Masters Thesis
Full Text:: activities on global climate has revealed the importance of soil in changes to the global carbon (C) cycle

Carbon dynamics in the hyporheic zone of a headwater mountain stream in the Cascade Mountains, Oregon

Creator:: Corson-Rikert, Hayley A.
Abstract:: This study investigated carbon dynamics in the hyporheic zone of a steep, forested catchment in the Cascade Mountains of western Oregon, USA. Water samples were collected monthly from a headwater stream and well network during baseflow conditions from July to December 2013 and again in March 2014. We also sampled...
Resource Type:: Masters Thesis
Full Text:: of carbon that help explain patterns in hyporheic zone biogeochemistry. During a small November

Carbon dynamics following landscape fire: influence of burn severity, climate, and stand history in the Metolius Watershed, Oregon

Creator:: Meigs, Garrett W.
Abstract:: Fire is a fundamental disturbance that drives terrestrial and atmospheric carbon dynamics. Previous studies have quantified fire effects on carbon cycling from local to global scales but have focused nearly exclusively on high-severity, stand-replacement fire. Since 2002, variable-severity wildfires have burned more than 65 000 ha across the east slope...
Resource Type:: Masters Thesis
Full Text:: cycle research in the Metolius River area of Oregon and takes advantage of a large natural experiment

ScholarsArchive@OSU

Measuring costs of sequestering carbon in forest stands with different management regimes in western Oregon

The distribution and partitioning of dissolved organic matter off the Oregon Coast : a first look

Climate, management, and forest type influences on carbon dynamics of West-Coast US forests

Carbon and energy exchange of semi-arid ecosystems with heterogeneous canopy structure

Causes and consequences of uncertainty in the application of a biogeochemical model to a large geographic region

Metabolism of one carbon (C1) and methylated compounds in SAR11 bacteria

Potential impacts of climate change on vegetation distributions, carbon stocks, and fire regimes in the U.S. Pacific Northwest

Carbon cycling and priming of soil organic matter decomposition in a forest soil following glucose additions

Carbon dynamics in the hyporheic zone of a headwater mountain stream in the Cascade Mountains, Oregon

Carbon dynamics following landscape fire: influence of burn severity, climate, and stand history in the Metolius Watershed, Oregon

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