Abstract Details
(2020) Coupled River/Estuary Modeling Approach for Carbon Dynamics in a Temperate European River
Laruelle G, Marescaux A, Thieu V & Garnier J
https://doi.org/10.46427/gold2020.1419
The author has not provided any additional details.
12c: Room 4, Saturday 27th June 05:45 - 05:48
Goulven Laruelle
View all 2 abstracts at Goldschmidt2020
Audrey Marescaux View abstracts at 2 conferences in series
Vincent Thieu View abstracts at 4 conferences in series
Josette Garnier View abstracts at 4 conferences in series
Audrey Marescaux View abstracts at 2 conferences in series
Vincent Thieu View abstracts at 4 conferences in series
Josette Garnier View abstracts at 4 conferences in series
Listed below are questions that have been submitted by the community that the author will try and cover in their presentation. To submit a question, ensure you are signed in to the website. Authors or session conveners approve questions before they are displayed here.
Submitted by Christopher Sabine on Saturday 20th June 01:16
Very interesting talk. How is it that the model seems to capture the nutrients and oxygen dynamic well, but does not capture the phytoplankon bloom? Shouldn't these be closely linked?
Thanks for your comment. It is true that oxygen and nutrients are tightly connected with phytoplankton and it might look surprising to have one correct and not the other. In fact, the bloom isn't very large at all in the Seine estuary (in part because of the turbidity) so that's why it's difficult to capture and also why not simulating it very well doesn't throw off the other variables. As a consequence, especially downstream, in the estuary, degradation of organic matter strongly dominates primary production and this is reflected in the carbon budget in the final figure.
Very interesting talk. How is it that the model seems to capture the nutrients and oxygen dynamic well, but does not capture the phytoplankon bloom? Shouldn't these be closely linked?
Thanks for your comment. It is true that oxygen and nutrients are tightly connected with phytoplankton and it might look surprising to have one correct and not the other. In fact, the bloom isn't very large at all in the Seine estuary (in part because of the turbidity) so that's why it's difficult to capture and also why not simulating it very well doesn't throw off the other variables. As a consequence, especially downstream, in the estuary, degradation of organic matter strongly dominates primary production and this is reflected in the carbon budget in the final figure.
Submitted by Fei Da on Saturday 27th June 04:00
Hi Dr. Laruelle, is the respiration primarily caused by the decomposition of riverine organic matter, since the production is relatively low?
Hi Dr. Laruelle, is the respiration primarily caused by the decomposition of riverine organic matter, since the production is relatively low?
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