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SUMMARY:Eco-morphodynamic carbon pumping of the world’s large tropical r
 ivers
DTSTART:20240920T121500
DTEND:20240920T131500
DTSTAMP:20260429T081832Z
UID:ca9a227eb264036a32d819c447896bed54c3a48cabb5f2d2a6db90af
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr Luca Salerno\, Politecnico di Torino\nAbstract\nThe eco-mor
 phodynamic activity of large tropical rivers interacts with riparian veget
 ation causing implications for the carbon cycle within inland waters. Thro
 ugh a multi-temporal analysis of satellite data spanning the years 2000–
 2019\, we analyzed rivers exceeding 200 m in width across the tropical r
 egions\, revealing a Carbon Pump mechanism driving an annual mobilization 
 of 12.45 million tons of organic carbon. River morphodynamics is shown to 
 drive carbon export from the riparian zone and to promote net primary prod
 uction by an integrated process through floodplain rejuvenation and coloni
 zation. The study identifies fluvial eco-morphological signatures as proxi
 es for carbon mobilization\, emphasizing the link between river migration 
 and carbon dynamics. Our findings are instrumental in determining the carb
 on intensity of future hydropower dams\, thereby contributing to informed 
 decision-making in the realm of sustainable energy infrastructure. This st
 udy elucidates the intricate relationships that govern the nexus of tropic
 al river dynamics\, riparian ecosystems\, and the global carbon cycle.\n\n
 Short bio\nLuca Salerno is a researcher at the Department of Environmental
 \, Land\, and Infrastructure Engineering at the Politecnico di Torino\, wh
 ere he earned his Ph.D. in 2022. His research focuses on the interaction b
 etween fluvial morphodynamics and tropical riparian vegetation\, particula
 rly their role in the fluvial carbon cycle. He has developed expertise in 
 global satellite imagery analysis\, remote sensing for riverine systems\, 
 and mathematical modeling\, with programming proficiency on platforms such
  as Google Earth Engine.\nSalerno's Ph.D. project applied a physically bas
 ed eco-geomorphological framework to evaluate rivers' capacity to drive ca
 rbon sequestration. His work has demonstrated that river morphodynamics no
 t only influence carbon export from riparian zones but also stimulate net 
 primary production by rejuvenating floodplains and facilitating vegetation
  colonization. In a recent study\, he introduced a high-resolution mapping
  algorithm for monitoring tropical forests in the Amazon basin\, specifica
 lly applied to the Uatama River\, illustrating how river regulation reshap
 es floodplain ecosystems\, with significant implications for carbon storag
 e and productivity.\n\n 
LOCATION:GC B1 10 https://plan.epfl.ch/?room==GC%20B1%2010 https://epfl.zo
 om.us/j/65649378946
STATUS:CONFIRMED
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