Kevin

Summer kick-off at Hubbard Brook

We’ve had a busy couple of weeks at Hubbard Brook.  Last week was the beginning of the REU program.  We have two excellent students, Nathaniel Rasnake and Delaney Peterson, from Virginia Tech who are both working on our lateral weathering project.  This week was the LTER site mid-term review of the Hubbard Brook Ecosystem Study.  …

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Here is a list of our AGU 2018 presentations

Transit Time Distributions on a Boreal Catchment Using a 14 Year Data Time Series, H13J-1867 Monday, 10 December 2018, 13:40 – 18:00 Decoupled Water and Nitrate Transport Downslope and across the Terrestrial-Aquatic Interface, B24A-02  Tuesday, 11 December 2018, 16:15 – 16:30 Quantifying Mineral Weathering Across Lateral Gradients Using a Whole-Regolith Approach, H21K-1797 Tuesday, 11 December 2018, 08:00 …

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Congrats Carrie!

Carrie Jensen successfully defended her dissertation on temporary streams. We’re proud of her and wish her well as she moves on to new things.  Special thanks to her committee for their help and support: Andy Dolloff, Daniel McLaughlin, Durelle Scott, and Yang Shao.

PhD Assistantship in Biogeochemistry at Virginia Tech for a project at Hubbard Brook

We are seeking applicants for a Ph.D. research assistantship in the biogeochemistry of forested ecosystems.  Research will focus on the fate and transport of weathering products across spatial gradients within watersheds.  Project goals include characterizing dynamic solute fluxes that will help us understand how ecosystems respond to and recover from different global change drivers. The …

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Carrie’s manuscript on temporary stream dynamics in the Appalachians

Carrie Jensen’s first paper was accepted in Hydrological Processes this week.  Her work is about characterizing the spatial and temporal dynamics of headwater stream wetting and drying.  This manuscript documents patterns of stream network expansion, contraction, and disconnection in watersheds from New England, Appalachian Plateau, Valley and Ridge, and Blue Ridge physiographic regions.  Her research …

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Hubbard Brook walking tour from 50th anniversary

This Youtube video was recently posted from a field tour several of us gave during the 50th anniversary of the Hubbard Brook Ecosystem Study.  There is good background on forested watershed studies, gaging streams, hydropedology, and local historical ecology at Hubbard Brook.  Mark Green (USFS & Plymouth State), JP Gannon (Western Carolina University), Nick Grant …

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Welcome David!

A new student, David Lee, joined our lab this week.  David completed his B.S. at the University of Florida in environmental engineering in 2015. David was most recently working for the US Forest Service as a forestry technician/wilderness ranger and was stationed on the Eldorado National Forest in Pollock Pines, CA. David will be working on a project …

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Carrie awarded VWRRC grant and coauthored GRL paper on strontium isotope dendritic network models

Carrie Jensen was awarded a student seed grant through the Virginia Water Resources Research Center for her dissertation work on storm dynamics of expansion and contraction of temporary headwater streams.  Andy Dolloff, with the US Forest Service Southern Research Station and the Department of Fish and Wildlife Conservation at Virginia Tech, is her Co-PI on the grant. …

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New paper on streamflow response to forest management and increasing precipitation extremes

Dr. Charley Kelly, a former lab member and now with the Division of Forestry and Natural Resources, West Virginia University, had a paper accepted in Geophysical Research Letters this week.  The study re-examines several paired watershed studies from the Coweeta Hydrologic Lab, but focuses on high flows, low flows, and interactions with precipitation patterns. Abstract: Increases in extreme …

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Carrie Jensen awarded CUAHSI Pathfinder Fellowship

Congratulations to Carrie on being selected for a CUAHSI 2015 Pathfinder Fellowship.  Carrie’s proposal titled, “Stream network expansion and contraction dynamics in headwater catchments throughout the Appalachian Highlands,” will be supported by CUAHSI (Consortium of Universities for the Advancement of Hydrologic Science, Inc.), which will provide her with an opportunity to enhance her dissertation project to include the Fernow Experimental Forest …

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2015 AGU presentations

Here are the AGU presentation titles from the group this year: Carrie Jensen and Kevin McGuire, Active Stream Length Dynamics in Headwater Catchments Spanning Physiographic Provinces in the Appalachian Highlands, H11E-1385, Monday Morning, Moscone South – Poster Hall Scott Bailey, Kevin McGuire, Don Ross, Moving the Watershed Ecosystem Approach Beyond the Black Box with Sensor Technologies and New Conceptual …

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New paper linking water age and solute dynamics at Hubbard Brook

Paolo Benettin’s paper was just accepted, which was the result of his study abroad visit here in the lab during the fall 2013 and spring 2014.  The manuscript explores water age-dependent transport in estimating weathering-derived solute export.   The model predicts water travel time dynamics from water stable isotope data and represents geochemical dissolution at the catchment-scale as a simple first-order kinetic …

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