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Comprehensive multiyear carbon budget of a temperate headwater stream

Creator:: Argerich, Alba, Haggerty, Roy, Johnson, Sherri L., Wondzell, Steven M., Dosch, Nicholas, Corson-Rikert, Hayley, Ashkenas, Linda R., Pennington, Robert, and Thomas, Christoph K.
Abstract:: Headwater streams comprise nearly 90% of the total length of perennial channels in global catchments. They mineralize organic carbon entering from terrestrial systems, evade terrestrial carbon dioxide (CO₂ ), and generate and remove carbon through in-stream primary production and respiration. Despite their importance, headwater streams are often neglected in global...
Resource Type:: Article

MaxwellImprintClimateGeology.pdf

Creator:: Maxwell, Reed M., Condon, Laura E., Kollet, Stefan J., Maher, Kate, Haggerty, Roy, and Forrester, Mary Michael
Abstract:: Surface and subsurface flow dynamics govern residence time or water age until discharge, which is a key metric of storage and water availability for human use and ecosystem function. Although observations in small catchments have shown a fractal distribution of ages, residence times are difficult to directly quantify or measure...
Full Text:: residence time distributions in watersheds?, Geophys. Res. Lett., 40, 4633–4637, doi:10.1002/grl.50895

ArgerichComprehensiveMultiyearCarbon.pdf

Creator:: Argerich, Alba, Haggerty, Roy, Johnson, Sherri L., Wondzell, Steven M., Dosch, Nicholas, Corson-Rikert, Hayley, Ashkenas, Linda R., Pennington, Robert, and Thomas, Christoph K.
Abstract:: Headwater streams comprise nearly 90% of the total length of perennial channels in global catchments. They mineralize organic carbon entering from terrestrial systems, evade terrestrial carbon dioxide (CO₂ ), and generate and remove carbon through in-stream primary production and respiration. Despite their importance, headwater streams are often neglected in global...
Full Text:: Geophysical Research: Biogeosciences RESEARCH ARTICLE 10.1002/2015JG003050 Key Points: • Here we present a

Ecosystem respiration increases with biofilm growth and bed forms: Flume measurements with resazurin

Creator:: Haggerty, Roy, Ribot, Miquel, Singer, Gabriel A., Marti, Eugénia, Argerich, Alba, Agell, Gemma, and Battin, Tom J.
Abstract:: In a set of streamside mesocosms, stream ecosystem respiration (ER) increased with biofilm biomass and flow heterogeneity (turbulence) generated by impermeable bed forms, even though those bed forms had no hyporheic exchange. Two streamside flumes with gravel beds (single layer of gravel) were operated in parallel. The first flume had...
Resource Type:: Article
Full Text:: : Biogeosciences, 119(12), 2220-2230. doi:10.1002/2013JG002498 10.1002/2013JG002498 American Geophysical Union

An efficient method to estimate processing rates in streams

Creator:: Gonz alez-Pinz on, Ricardo and Haggerty, Roy
Abstract:: We provide an efficient method to estimate processing rates through simple algebraic relationships derived from the transient storage model equations. The method is based on the transport equations, but eliminates the need to calibrate highly uncertain (and intermediate) parameters. We demonstrate that under some common stream transport conditions dispersion does...
Resource Type:: Article
Full Text:: processing rates in streams, Water Resour. Res., 49, 6096–6099, doi:10.1002/wrcr.20446. 1. Introduction [2

Changes in hyporheic exchange flow following experimental wood removal in a small, low-gradient stream

Creator:: Wondzell, Steven M., LaNier, Justin, Haggerty, Roy, Woodsmith, Richard D., and Edwards, Richard T.
Abstract:: We investigated the response of hyporheic exchange flow (HEF) to wood removal in a small, low-gradient, gravel bed stream in southeast Alaska using a series of groundwater models built to simulate HEF for the initial conditions immediately after wood removal and 1 month, 2 years, 4 years, and 16 years...
Resource Type:: Article

The paradox of cooling streams in a warming world:Regional climate trends do not parallel variable local trends in stream temperature in the Pacific continental United States

Creator:: Arismendi, Ivan, Johnson, Sherri L., Dunham, Jason B., Haggerty, Roy, and Hockman-Wert, David
Abstract:: Temperature is a fundamentally important driver of ecosystem processes in streams. Recent warming of terrestrial climates around the globe has motivated concern about consequent increases in stream temperature. More specifically, observed trends of increasing air temperature and declining stream flow are widely believed to result in corresponding increases in stream...
Resource Type:: Article
Full Text:: water quality applications, Hydrol. Processes, 10, 127–149, doi:10.1002/(SICI)1099-1085(199602)10:2< 127

A mean residence time relationship for lateral cavities in gravel-bed rivers and streams: Incorporating streambed roughness and cavity shape

Creator:: Jackson, Tracie R., Haggerty, Roy, Apte, Sourabh V., and O’Connor, Ben L.
Abstract:: Accurate estimates of mass-exchange parameters in transient storage zones are needed to better understand and quantify solute transport and dispersion in riverine systems. Currently, the predictive mean residence time relies on an empirical entrainment coefficient with a range in variance due to the absence of hydraulic and geomorphic quantities driving...
Resource Type:: Article
Full Text:: , doi :10.1002/wrcr.20272. 1. Introduction [3] The fluid dynamics of exchange between a main channel

Measuring aerobic respiration in stream ecosystems using the resazurin-resorufin system

Creator:: Gonzalez-Pinzon, Ricardo, Haggerty, Roy, and Myrold, David D.
Abstract:: The use of smart tracers to study hydrologic systems is becoming more widespread. Smart tracers are compounds that irreversibly react in the presence of a process or condition under investigation. Resazurin (Raz) is a smart tracer that undergoes an irreversible reduction to resorufin (Rru) in the presence of cellular metabolic...
Resource Type:: Article
Full Text:: cells in perfusion culture, Biotechnol. Prog., 27, 1347–1357, doi:10.1002/btpr.646. Guerin, T., M

Development of a “smart” tracer for the assessment of microbiological activity and sediment-water interaction in natural waters: The resazurin-resorufin system

Creator:: Haggerty, Roy, Argerich, Alba, and Marti, Eugenia
Abstract:: A “smart” tracer is a tracer that provides, directly or through measurement of its concentration or in combination with another compound, at least one “bit” more of information about the environment through which it travels than a conservative tracer. In this study we propose and present the chemical compound resazurin...
Resource Type:: Article
Full Text:: :10.1002/jcla.1860090203. Erb, R. E., and M. H. Ehlers (1950), Resazurin reducing time as an indicator of

ScholarsArchive@OSU

Comprehensive multiyear carbon budget of a temperate headwater stream

MaxwellImprintClimateGeology.pdf

ArgerichComprehensiveMultiyearCarbon.pdf

Ecosystem respiration increases with biofilm growth and bed forms: Flume measurements with resazurin

An efficient method to estimate processing rates in streams

Changes in hyporheic exchange flow following experimental wood removal in a small, low-gradient stream

The paradox of cooling streams in a warming world:Regional climate trends do not parallel variable local trends in stream temperature in the Pacific continental United States

A mean residence time relationship for lateral cavities in gravel-bed rivers and streams: Incorporating streambed roughness and cavity shape

Measuring aerobic respiration in stream ecosystems using the resazurin-resorufin system

Development of a “smart” tracer for the assessment of microbiological activity and sediment-water interaction in natural waters: The resazurin-resorufin system

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