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Orals BG7.2

BG7.2

Natural organic matter in aquatic systems: methods, fractions and interactions in natural and engineered systems
Convener: Magdalena Bieroza  | Co-Conveners: Andrea Butturini , Diane McKnight , Chris Evans 
Orals
 / Mon, 09 Apr, 08:30–12:00  / Room 2.31
Posters
 / Attendance Mon, 09 Apr, 17:30–19:00  / Hall A

Monday, 9 April 2018
Room 2.31
Chairperson: Magdalena Bieroza
Large scale controls of organic matter quantity and quality

08:30–08:45
EGU2018-12369
Does agricultural land use homogenize organic matter properties?
Magdalena Bieroza, Katarina Kyllmar, Lars Bergström, and Stephan Köhler
08:45–09:00
EGU2018-17707
Climate-driven changes in removal of DOC in a small boreal lake: a 30-year time series.
Heleen A de Wit, Raoul-Marie Couture, Martyn N. Futter, Rolf D Vogt, Pawel Krzeminski, Elena Martínez Francés, Stevenson Ong, Leah Jackson-Blake, Kari Austnes, Jose-Luis Guerrero, and Salar Valinia
09:00–09:15
EGU2018-10681
Natural land cover in agricultural catchments alters flood effects on DOM composition and decreases nutrient levels in streams
Christina Fasching, Henry Wilson, Sarah D’Amario, and Marguerite Xenopoulos
09:15–09:30
EGU2018-9667
Effects of land use and flow paths on the quality of dissolved organic matter (DOM) in streams and its use and degradation by benthic microorganisms
Gabriele Weigelhofer, Lena Campostrini, Damir Masic, Alexandra Tiefenbacher, Alexander Eder, and Peter Strauss
09:30–09:45
EGU2018-9464
Small changes in phosphorus additions alter the aromaticity of Chromophoric dissolved organic matter (CDOM) in lakewater
Emma Rochelle-Newall, Lydie Blottière, and Colombe Consortium
09:45–10:00 EGU2018-3307
Comprehensive characterization of DOM composition from High Arctic streams and ponds impacted by permafrost disturbance (withdrawn)
Melissa Lafreniere, Jun-Jian Wang, Scott Lamoureux, Andre Simpson, Yves Gelinas, and Myrna Simpson
Coffee break
Novel tools in organic matter and water quality monitoring

10:30–10:45
EGU2018-9139
Assessment of high-frequency in situ nitrate and specific conductance data to estimate nitrate loading to streams from three end-member pathways
Matthew Miller, Anthony Tesoriero, Krista Hood, Silvia Terziotti, and David Wolock
10:45–11:00
EGU2018-15542
Application of Optical Sensors To Study Turbidity and DOC Dynamics of the Fyrisån Catchment, Uppsala, Sweden
Svenja Hoffmeister, Kathleen Murphy, Claudia Cascone, Philip McCleaf, and Stephan Köhler
11:00–11:15
EGU2018-449
Extensive processing of sediment pore water dissolved organic matter during anoxic incubation as observed by high-field mass spectrometry (FTICR-MS)
Juliana Valle, Michael Gonsior, Mourad Harir, Alex Enrich-Prast, Philippe Schmitt-Kopplin, David Bastviken, Ralf Conrad, and Norbert Hertkorn
11:15–11:30
EGU2018-10263
High frequency DOM dynamics in urban rivers revealed by in-situ fluorometry.
Chris Bradley, Danny Croghan, Kieran Khamis, Anne van Loon, Jon Sadler, and David Hannah
11:30–11:45
EGU2018-18358
Generating Water Quality Rating Curves using in situ Spectrophotemeters
François Birgand, Beth Allen, Chiao-Wen Lin, Randall Etheridge, and Cayelan Carey
11:45–12:00
EGU2018-1071
Spatial-stream-network models as novel tools for predicting catchment-scale spatial patters of microbial water quality
Aaron Neill, Doerthe Tetzlaff, Norval Strachan, Rupert Hough, Lisa Avery, Helen Watson, and Chris Soulsby