CC010
Fjords in Transition: Connecting Physical, Biogeochemical, and Ecosystem Dynamics in the Land-Ocean Continuum under a Changing Climate

Session ID#: 259488

Session Description:
Fjords are critical coastal ecosystems in both polar and temperate regions, acting as hotspots for biodiversity, carbon cycling, and human livelihoods. Their unique marine environments are shaped by tightly coupled physical, chemical, and ecological processes that span the land-ocean continuum. As climate change and anthropogenic pressures intensify, fjord systems may face abrupt transitions. This session seeks to bring together interdisciplinary research that addresses fjord-relevant topics such as

  • Glacier-ocean interactions and freshwater inputs
  • Sediment-ocean biogeochemical fluxes and metal cycling,
  • Changes in biodiversity and ecosystem metabolism (e.g. productivity, carbon cycling)
  • Hydrology, oceanography, sedimentology and geophysics

We welcome observational, experimental and modelling studies across temporal and spatial scales with particular interest in research that:

  • Identifies transitions, regime shifts, or tipping points
  • Improves understanding of the role of fjords in the local, regional, and global biogeochemical cycling
  • Emphasizes the coupling among physical, geological, biogeochemical, and/or ecological processes
  • Explores the connection between land and ocean in fjords systems

We encourage presenters to be mindful of the interdisciplinary nature of the session and communicate their work in a way that is accessible to researchers across disciplines.

Co-Sponsor(s):
  • Coastal and Estuarine Biology and Biogeochemistry -
  • High Latitude Environments -
Index Terms:

0470 Nutrients and nutrient cycling [BIOGEOSCIENCES]
4217 Coastal processes [OCEANOGRAPHY: GENERAL]
4805 Biogeochemical cycles, processes, and modeling [OCEANOGRAPHY: CHEMICAL]
4815 Ecosystems, structure, dynamics, and modeling [OCEANOGRAPHY: BIOLOGICAL]
Student/Early Career Chair:  Sarah Tingey, The Arctic University of Norway, Geoscience, Tromsø, Norway; IC3 Centre for ice, Cryosphere, Carbon and Climate, Department of Geoscience, Tromsø, Norway
Primary Chair:  Dr. Craig Smeaton, University of St Andrews, School of Geography & Sustainable Development, St Andrews, United Kingdom
Co-chairs:  Dr. Agnes Weiner, NORCE Climate and Environment, NORCE Research AS & Bjerknes Centre for Climate Research, Bergen, Norway, Laura Bianucci, Institute of Ocean Sciences, Fisheries and Oceans Canada, Sidney, BC, Canada and Dr. Laura Castro de la Guardia, University of the Highlands and Islands, Inverness, Scotland, United Kingdom
 
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Carbon burial and cycling in northern Nunatsiavut fjord sediments (2040314)
Haley Geizer1, Alexandre Normandeau2, Maria Armstrong1, Stephan Hamisch3, Silas Jones3, Kumiko Azetsu-Scott4, Paul VR Snelgrove3, Francesco Bisiach5, Casey R. J. Hubert5, Michelle Saunders6, Rodd Laing6 and Christopher K Algar1, (1)Dalhousie University, Department of Oceanography, Halifax, NS, Canada, (2)Geological Survey of Canada Atlantic, Natural Resources Canada, Dartmouth, NS, Canada, (3)Memorial University, Biology and Ocean Sciences Center, St. John's, NF, Canada, (4)Bedford Inst Oceanography, Dartmouth, NS, Canada, (5)University of Calgary, Biological Sciences, Calgary, AB, Canada, (6)Nunatsiavut Government, Nain, NF, Canada
 
Warmer Fjords, Less Oxygen: Does Aquaculture Waste Recycling Matter? (2042565)
Pål Næverlid Sævik1, Morten Dahlberg Skogen2, Lars Asplin3, Kjell Gundersen2, Solfrid Sætre S. Hjøllo2 and Helena Hauss4, (1)University of Bergen, Bergen, NORWAY, (2)Institute of Marine Research, Bergen, Norway, (3)Institute of Marine Research Bergen, Bergen, Norway, (4)NORCE Norwegian Research Centre, Bergen, Norway
 
Catchment Meets Coast: Linking Ongoing Change in Northern Catchments to Downstream Impacts on Coastal Ecosystems. (2042750)
Amanda Poste, Norwegian Institute for Nature Research, Tromsø, Norway, Angelika Renner, Institute of Marine Research, Tromsø, Norway and Leah Jackson-Blake, Norwegian Institute for Water Research, Oslo, Norway
 
The importance of glaciers for the cycling of carbon, iron, and manganese in Patagonian fjord systems (2042817)
Jon Hawkings1,2, Loic Piret2, Leah Hopf2, David McCabe2 and Alain F Plante3, (1)Centre for ice, Cryosphere, Carbon and Climate (iC3) - UiT The Arctic University of Norway, Geosciences, Tromsø, Norway, (2)University of Pennsylvania, Department of Earth and Environmental Science, Philadelphia, United States, (3)University of Pennsylvania, Earth & Environmental Science, Philadelphia, PA, United States
 
Mechanisms Generating a Subsurface Temperature Minimum in a Silled, Temperate Fjord (2044206)
Laura Bianucci1, Mike G Foreman2, Jonathan Izett3, Marilena Geng2, Jennifer Jackson1, Wendy Callendar2 and Cheryl Greengrove4, (1)Institute of Ocean Sciences, Fisheries and Oceans Canada, Sidney, BC, Canada, (2)Fisheries and Oceans Canada, Institute of Ocean Sciences, Sidney, BC, Canada, (3)Canadian Centre for Climate Modelling and Analysis, Environment and Climate Change Canada, Suite 200, 2474 Arbutus Rd, Victoria, BC V8N 1V8, Canada., Victoria, CANADA, (4)University of Washington - Tacoma, Department of School of Interdisciplinary Arts and Sciences, Tacoma, United States
 
Coupled Physical–Biogeochemical Controls on Marine Carbon Cycling in Fiordland, New Zealand/Aotearoa Fjords (2044253)
David Allen Mucciarone1, Matthew Illing1, Robert B Dunbar1, Christopher M Moy2 and Christina R Riesselman3, (1)Stanford University, Oceans, Stanford, United States, (2)University of Otago, Department of Geology, Dunedin, New Zealand, (3)University of Otago, Departments of Geology and Marine Science, Dunedin, New Zealand
 
Overturning of a Small, Coastal, Anoxic Basin: Processes, Timescales and Consequences (2046143)
Douglas Wallace1, Teala Chambers1, Christopher K Algar1, Mark Andrew Barry2, Mehdi Haidari1 and Bruce G. Hatcher3, (1)Dalhousie University, Department of Oceanography, Halifax, NS, Canada, (2)Pro-Oceanus, Bridgewater, NS, Canada, (3)Cape Breton University, Dept. of Biology, Sydney, NS, Canada
 
The turbulent life of benthos – mixing and glacial run-off shape benthic ecosystems in Arctic fjords (2046951)
Sandra Maier1, Diana Krawczyk2, Tobias Reiner Vonnahme1, Dr. Lorenz Meire, PhD3, Chris Yesson4, Claudio Richter5, Teunis Jansen6, Rasmus Nygaard2 and Kirstin Schulz7, (1)Greenland Institute of Natural Resources, Greenland Climate Research Centre, Nuuk, Greenland, (2)Greenland Institute of Natural Resources, Nuuk, Greenland, (3)Greenland Climate Research Centre, Nuuk, Greenland, (4)Zoological Society of London, London, United Kingdom, (5)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (6)Technical University of Denmark (DTU), Lyngby, Denmark, (7)University of Texas at Austin, Austin, United States
 
Phenology of phytoplankton blooms in relation to physical forcing in Sermilik Fjord, Southeast Greenland (2048735)
Mattias Rolf Cape, Bigelow Laboratory, Boothbay, United States, Fiammetta Straneo, UC San Diego, Scripps Institution of Oceanography, La Jolla, United States, Dr. Lorenz Meire, PhD, Greenland Climate Research Centre, Nuuk, Greenland, Donald Alexander Slater, University of Edinburgh, School of Geosciences, Edinburgh, United Kingdom, James Holte, Harvard University, Cambridge, United States, Monica Nelson, Scripps Institution of Oceanography, La Jolla, United States, Aurora Roth, Carleton College, Northfield, United States, Maria Vernet, Scripps Institution of Oceanography, La Jolla, CA, United States and Patricia Matrai, Bigelow Laboratory for Ocean Sciences, East Boothbay, ME, United States
 
Investigating Shelf-Fjord Processes in the Faroe Islands on the Faroe Shelf in the Northeast Atlantic Ocean with a Nested Version of FarCoast version 2 (ROMS) from 2 km to 130 m (2048771)
Sissal Vagsheyg Erenbjerg, Fiskaaling, Department of fjord dynamics, Torshavn, Faroe Islands and Birgitta Andreasen, PhD, MChem, Firum, Hvalvík, Faroe Islands
 
Seasonal Variability of Water Mass Mixing and Nutrient Dynamics in Kongsfjorden, Svalbard (2048786)
Hyebin Kim and Tae-Hoon Kim, Chonnam National University, Gwangju, South Korea
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