Search Results - "Loken, C."

The ecology of methane in streams and rivers: patterns, controls, and global significance by Stanley, Emily H., Casson, Nora J., Christel, Samuel T., Crawford, John T., L, Luke C., Oliver, Samantha K.

“…Streams and rivers can substantially modify organic carbon (OC) inputs from terrestrial landscapes, and much of this processing is the result of microbial…”
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High-Speed Limnology: Using Advanced Sensors to Investigate Spatial Variability in Biogeochemistry and Hydrology by Crawford, John T, Loken, Luke C, Casson, Nora J, Smith, Colin, Stone, Amanda G, Winslow, Luke A

“…Advanced sensor technology is widely used in aquatic monitoring and research. Most applications focus on temporal variability, whereas spatial variability has…”
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Regional‐scale controls on dissolved nitrous oxide in the Upper Mississippi River by Turner, P. A., Griffis, T. J., Baker, J. M., Lee, X., Crawford, J. T., Loken, L. C., Venterea, R. T.

“…The U.S. Corn Belt is one of the most intensive agricultural regions of the world and is drained by the Upper Mississippi River (UMR), which forms one of the…”
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GRiMeDB: the Global River Methane Database of concentrations and fluxes by Stanley, Emily H, Loken, Luke C, Casson, Nora J, Oliver, Samantha K, Sponseller, Ryan A, Wallin, Marcus B, Zhang, Liwei, Rocher-Ros, Gerard

“…Despite their small spatial extent, fluvial ecosystems play a significant role in processing and transporting carbon in aquatic networks, which results in…”
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Limited nitrate retention capacity in the Upper Mississippi River by Loken, Luke C, Crawford, John T, Dornblaser, Mark M, Striegl, Robert G, Houser, Jeffrey N, Turner, Peter A, Stanley, Emily H

“…The Mississippi River and other large rivers have the potential to regulate nitrogen export from terrestrial landscapes, and thus mitigate eutrophication in…”
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Spatial patterns of enzymatic activity in large water bodies: Ship-borne measurements of beta-D-glucuronidase activity as a rapid indicator of microbial water quality by Stadler, Philipp, Loken, Luke C., Crawford, John T., Schramm, Paul J., Sorsa, Kirsti, Kuhn, Catherine, Savio, Domenico, Striegl, Robert G., Butman, David, Stanley, Emily H., Farnleitner, Andreas H., Zessner, Matthias

“…This study used automated enzymatic activity measurements conducted from a mobile research vessel to detect the spatial variability of beta‑d‑glucuronidase…”
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Spatial heterogeneity of within‐stream methane concentrations by Crawford, John T., Loken, Luke C., West, William E., Crary, Benjamin, Spawn, Seth A., Gubbins, Nicholas, Jones, Stuart E., Striegl, Robert G., Stanley, Emily H.

“…Streams, rivers, and other freshwater features may be significant sources of CH4 to the atmosphere. However, high spatial and temporal variabilities hinder our…”
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Global methane emissions from rivers and streams by Rocher-Ros, Gerard, Stanley, Emily H., Loken, Luke C., Casson, Nora J., Raymond, Peter A., Liu, Shaoda, Amatulli, Giuseppe, Sponseller, Ryan A.

“…Methane (CH 4 ) is a potent greenhouse gas and its concentrations have tripled in the atmosphere since the industrial revolution. There is evidence that global…”
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Challenges in linking soil health to edge‐of‐field water quality across the Great Lakes basin by Fermanich, Kevin, Meyers, Molly, Loken, Luke C., Bischoff‐Gray, Marianne, Turco, Ron, Stahlheber, Karen, Duriancik, Lisa, Dornbush, Mathew, Komiskey, Matt

“…To better understand agricultural nutrient losses, we evaluated relationships between management (e.g., manure and tillage), soil health measurements, and…”
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Basin scale controls on CO2 and CH4 emissions from the Upper Mississippi River by Crawford, John T., Loken, Luke C., Stanley, Emily H., Stets, Edward G., Dornblaser, Mark M., Striegl, Robert G.

“…The Upper Mississippi River, engineered for river navigation in the 1930s, includes a series of low‐head dams and navigation pools receiving elevated sediment…”
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Do Cooling Flows Survive Cluster Mergers? by Gómez, P. L, Loken, C, Roettiger, K, Burns, J. O

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Ebullitive methane emissions from oxygenated wetland streams by Crawford, John T, Stanley, Emily H, Spawn, Seth A, Finlay, Jacques C, Loken, Luke C, Striegl, Robert G

“…Stream and river carbon dioxide emissions are an important component of the global carbon cycle. Methane emissions from streams could also contribute to…”
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Risk‐Based Prioritization of Organic Chemicals and Locations of Ecological Concern in Sediment From Great Lakes Tributaries by Baldwin, Austin K., Corsi, Steven R., Stefaniak, Owen M., Loken, Luke C., Villeneuve, Daniel L., Ankley, Gerald T., Blackwell, Brett R., Lenaker, Peter L., Nott, Michelle A., Mills, Marc A.

“…With improved analytical techniques, environmental monitoring studies are increasingly able to report the occurrence of tens or hundreds of chemicals per site,…”
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Prioritizing Pesticides of Potential Concern and Identifying Potential Mixture Effects in Great Lakes Tributaries Using Passive Samplers by Loken, Luke C., Corsi, Steven R., Alvarez, David A., Ankley, Gerald T., Baldwin, Austin K., Blackwell, Brett R., De Cicco, Laura A., Nott, Michele A., Oliver, Samantha K., Villeneuve, Daniel L.

“…To help meet the objectives of the Great Lakes Restoration Initiative with regard to increasing knowledge about toxic substances, 223 pesticides and pesticide…”
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Hydrodynamics structure plankton communities and interactions in a freshwater tidal estuary by Smits, Adrianne P., Loken, Luke C., Van Nieuwenhuyse, Erwin E., Young, Matthew J., Stumpner, Paul R., Lenoch, Leah E. K., Burau, Jon R., Dahlgren, Randy A., Brown, Tiffany, Sadro, Steven

“…Drivers of phytoplankton and zooplankton dynamics vary spatially and temporally in estuaries due to variation in hydrodynamic exchange and residence time,…”
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Watershed and Lake Attributes Dictate Landscape Patterns of Resource Flows in Mountain Lakes by Smits, Adrianne P., Currinder, Bryan, Framsted, Nicholas, Loken, Luke C., Lucero, Delores, Neal, Kelly A., Parisek, Christine A., Sickman, Jim, Sadro, Steven

“…The extent to which terrestrial organic matter supports aquatic consumers remains uncertain because factors regulating resource flows are poorly understood. We…”
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Whole-Ecosystem Experiment Illustrates Short Timescale Hydrodynamic, Light, and Nutrient Control of Primary Production in a Terminal Slough by Loken, Luke C., Sadro, Steven, Lenoch, Leah E. K., Stumpner, Paul R., Dahlgren, Randy A., Burau, Jon R., Van Nieuwenhuyse, Erwin E.

“…Estuaries are among the most productive of aquatic ecosystems. Yet the collective understanding of patterns and drivers of primary production in estuaries is…”
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Nitrogen cycling in a freshwater estuary by Loken, Luke C, Small, Gaston E, Finlay, Jacques C, Sterner, Robert W, Stanley, Emily H

“…Freshwater estuaries may be important control points but have received limited research attention, emblematic of a general under-appreciation of these…”
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Large Spatial and Temporal Variability of Carbon Dioxide and Methane in a Eutrophic Lake by Loken, Luke C., Crawford, John T., Schramm, Paul J., Stadler, Philipp, Desai, Ankur R., Stanley, Emily H.

“…Lakes are conduits of greenhouse gases to the atmosphere; however, most efflux estimates for individual lakes are based on extrapolations from a limited number…”
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Spatial early warning signals in a lake manipulation by Butitta, Vince L., Carpenter, Stephen R., Loken, Luke C., Pace, Michael L., Stanley, Emily H.

“…Rapid changes in state have been documented for many of Earth's ecosystems. Despite a growing toolbox of methods for detecting declining resilience or early…”
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