Zobrazeno 1 - 10
of 43
pro vyhledávání: '"J. A. Roebuck"'
Autor:
J. Alan Roebuck Jr., Kenton A. Rod, Vanessa A. Garayburu‐Caruso, Rosalie K. Chu, Amy E. Goldman, Lupita Renteria, Micah Taylor, James C. Stegen
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 6, Pp n/a-n/a (2024)
Abstract The hyporheic zone is a hotspot for biogeochemical cycling where interactions with mineral metals preserve the release and biodegradation of organic matter (OM). A small fraction of OM can still be exchanged between localized sediments and t
Externí odkaz:
https://doaj.org/article/963e113f251e443a9ad3aa2170c74ddb
Autor:
Peter Regier, Nicholas D. Ward, Alex Izquierdo, Andrew H. Baldwin, Donnie Day, Julia McElhinny, Kaizad Patel, Rodrigo Vargas, Jianqiu Zheng, Exchange Consortium, Allison Myers-Pigg, Silver Alford, Michael P. Back, Vanessa Bailey, Jade Bolinger, Madison Bowe, Maxim I. Boyanov, Jacob A. Cianci-Gaskill, Nathan A. Conroy, Matthew J. Cooper, Alex Demeo, Kyle Derby, Derek Detweiler, Suzanne Devres-Zimmerman, Erin Eberhard, Keryn Gedan, LeeAnn Haaf, Khadijah K. Homolka, Erin Johnson, Kenneth M. Kemner, Aliya Khan, Matthew Kirwan, Payton Kittaka, Erika Koontz, Adam Langley, Riley Leff, Scott Lerberg, Allison M. Lewis, Sairah Malkin, Amy M. Marcarelli, Steven E. McMurray, Tyler Messerschmidt, Taylor C. Michael, Holly A. Michael, Elizabeth C. Minor, Brian Moye, Thomas J. Mozdzer, Allison N. Myers-Pigg, Neubauer Scott, Cooper G. Norris, Edward J. O'Loughlin, Opal Otenburg, Andrea Pain, Kaizad F. Patel, Stephanie C. Pennington, Michael Philben, Evan Phillips, Dannielle Pratt, J. Alan Roebuck Jr., Lauren Sage, Daniel Sandborn, Stacy Smith, Alex Smith, Samina Soin-Voshell, Bongkeun Song, Amanda Sprague-Getsy, Kari St Laurent, Lorie Staver, Alice Stearns, Lucie Stetten, Rebecca Swerida, Ethan J. Theuerkauf, Katherine Tully, Elizabeth Watson, Coreen Weilminster
Publikováno v:
Frontiers in Marine Science, Vol 10 (2023)
The frequency and persistence of tidal inundation varies along the coastal terrestrial-aquatic interface, from frequently inundated wetlands to rarely inundated upland forests. This inundation gradient controls soil and sediment biogeochemistry and i
Externí odkaz:
https://doaj.org/article/3fd8a453c5744d5e84371c522a377b8e
Autor:
Robert E. Danczak, Vanessa A. Garayburu-Caruso, Lupita Renteria, Sophia A. McKever, Opal C. Otenburg, Samantha R. Grieger, Kyongho Son, Matthew H. Kaufman, Stephanie G. Fulton, J. Alan Roebuck, Allison N. Myers-Pigg, James C. Stegen
Publikováno v:
Frontiers in Water, Vol 5 (2023)
A large amount of dissolved organic matter (DOM) is transported to the ocean from terrestrial inputs each year (~0.95 Pg C per year) and undergoes a series of abiotic and biotic reactions, causing a significant release of CO2. Combined, these reactio
Externí odkaz:
https://doaj.org/article/08b8f68d840a4fc0b5c7613073d3c8df
Autor:
Robert G. M. Spencer, Ryan P. Rodgers, Phoebe Zito, J. Alan Roebuck, Matthew A. Tarr, David C. Podgorski, Tessa E. Bartges, François Guillemette
Publikováno v:
Energy & Fuels. 34:4721-4726
Spilled oil is highly susceptible to sunlight-induced transformations, both as films on the surface of water and material dissolved or dispersed in the water column. We utilized ultrahigh-resolutio...
Publikováno v:
Journal of Geophysical Research: Biogeosciences. 123:3055-3071
Publikováno v:
Organic Geochemistry. 112:16-21
This study investigates the effect of photodissolution on the production of dissolved black carbon (DBC) from particulate charcoal and a fire-impacted soil. A soil sample and a char sample were collected within the burn vicinity of the 2012 Cache La
Autor:
Hu He, J. Alan Roebuck, Dong Liu, Zhengwen Liu, Feizhou Chen, Rudolf Jaffé, Yingxun Du, Kang Xiao, Yunlin Zhang, Qingfei Zeng, YueHan Lu
Publikováno v:
Science of The Total Environment. 752:141839
Human activities can alter dissolved organic matter (DOM) in lakes through both direct (i.e., exporting DOM of anthropogenic sources) and indirect effects (i.e., enhancing the autochthonous production of DOM via nutrient loading). Distinguishing betw
Autor:
Robert J. Kieber, J. David Felix, Stephen A. Skrabal, J. Alan Roebuck, Ralph N. Mead, G. Brooks Avery
Publikováno v:
Aquatic Geochemistry. 22:177-195
This study reports the first ethanol and acetaldehyde measurements in sediment porewaters collected at multiple freshwater locations. Ethanol concentrations ranged from 11 to 2535 nM and acetaldehyde concentrations ranged from 6 to 320 nM. A signific
Publikováno v:
Environmental sciencetechnology. 52(15)
Rivers export roughly 250 Pg of dissolved organic carbon (DOC) to coastal oceans. DOC exported from rivers can be a reflection of watershed dynamics, and changes in land use can lead to shifts in the molecular composition and reactivity of riverine D
Autor:
J. Alan Roebuck, G. Brooks Avery, Robert J. Kieber, J. David Felix, Joan D. Willey, Ralph N. Mead
Publikováno v:
Atmospheric Environment. 217:116948
The first methanol and ethanol concentrations in a Greenland ice core are reported for 14 annual samples ranging from 1686 to 1947 AD. Concentrations ranged from 83 nM to 1666 nM and 16 nM–424 nM for methanol and ethanol, respectively. Low median m