Noam Vogt-VincentUniversity of Hawaiʻi at Mānoa | UH Manoa
Noam Vogt-Vincent
Doctor of Philosophy
About
20
Publications
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Introduction
I'm a NOAA C&GC Postdoctoral Fellow based at the Hawai'i Institute of Marine Biology. I use tools from physical oceanography, ecology and geology to try to understand how the marine environment responds to environmental change. At the moment, I am particularly interested in predicting tropical coral range expansion, the role of long-distance connectivity in facilitating coral evolution, and changes in Indo-Pacific marine connectivity over the Pleistocene and Holocene.
Publications
Publications (20)
We study the impacts of a continental slope on instability and mesoscale eddy fluxes in idealized 3‐layer numerical model simulations. The simulations are inspired by and mimic the situation in the Arctic Ocean's Beaufort Gyre, where anti‐cyclonic winds drive anti‐cyclonic currents that are guided by the continental slope. The forcing and currents...
Past coral range expansions suggest that high-latitude environments may serve as refugia, potentially buffering tropical biodiversity loss due to climate change. We explore this possibility for corals globally, using a dynamical metacommunity model incorporating temperature, light intensity, pH, and four distinct, interacting coral assemblages. Thi...
The tropical southwest Indian Ocean is a coral biodiversity hotspot, with remote reefs physically connected by larval dispersal through eddies and a complex set of equatorial and boundary currents. Based on multidecadal, 2 km resolution hydrodynamic and larval dispersal models that incorporate temporal variability in dispersal, we find that powerfu...
Many countries with tropical reef systems face hard choices preserving coral reefs in the face of climate change on limited budgets. One approach to maximising regional reef resilience is targeting management efforts and resources at reefs that export large numbers of larvae to other reefs. However, this requires reef connectivity to be quantified....
We study the impacts of a continental slope on instability and mesoscale eddy fluxes in idealized 3-layer numerical model simulations. The simulations are inspired by and mimic the situation in the Arctic Ocean’s Beaufort Gyre where anti-cyclonic winds drive anti-cyclonic currents that are guided by the continental slope. The forcing and currents a...
Coral larval dispersal establishes connectivity between reefs, but larval fluxes vary over timescales from daily to multidecadal due to oceanographic variability. Using a 2-km-resolution ocean model, we simulate daily spawning events from 1993 to 2019 and assess the potential connectivity between all reefs in the tropical southwest Indian Ocean. Al...
The tropical southwest Indian Ocean is a coral biodiversity hotspot, with remote reefs physically connected by larval dispersal through eddies and a complex set of equatorial and boundary currents. Based on multidecadal, 2 km resolution hydrodynamic and larval dispersal models, we find that powerful zonal currents, current bifurcations, and geograp...
Understanding past dynamics of upwelling cells is an important aspect of assessing potential upwelling changes in future climate change scenarios. Our present understanding of nutrient fluxes throughout the world's oceans emphasizes the importance of intermediate waters transporting nutrients from the Antarctic divergence into the middle and lower...
Marine plastic pollution and coral vulnerability may appear unrelated, but both problems rely on the dispersal of buoyant particles (plastic fragments and coral larvae) through ocean currents. Understanding their dispersal is vital for marine management and conservation, critical during a time of major environmental change. Through a series of Lagr...
Climate change is one of the top three global threats to seabirds, particularly species that visit polar regions. Arctic terns migrate between both polar regions annually and rely on productive marine areas to forage, on sea ice for rest and foraging, and prevailing winds during flight. Here, we report 21st-century trends in environmental variables...
Coral larval dispersal establishes connectivity between reefs, but larval fluxes vary over timescales from daily to multidecadal due to oceanographic variability. Using a 2 km-resolution ocean model, we simulate daily spawning events from 1993–2019 (for a total of almost 10,000 events) across all coral reefs in the tropical southwest Indian Ocean....
Coral larval dispersal establishes connectivity between reefs, but larval fluxes vary over timescales from daily to multidecadal due to oceanographic variability. Using a 2 km-resolution ocean model, we simulate daily spawning events from 1993–2019 (for a total of almost 10,000 events) across all coral reefs in the tropical southwest Indian Ocean....
Understanding the behavior of past upwelling cells is paramount when assessing future climate changes. Our present understanding of nutrient fluxes throughout the world's oceans emphasizes the importance of intermediate waters transporting nutrients from the Antarctic divergence into the middle and lower latitudes. These nutrient-rich waters fuel p...
The Western INDian Ocean Simulation (WINDS) is a regional configuration of the Coastal and Regional Ocean Community Model (CROCO) for the southwestern Indian Ocean. WINDS has a horizontal resolution of 1/50∘ (∼2 km) and spans a latitudinal range of 23.5∘ S–0∘ N and a longitudinal range from the East African coast to 77.5∘ E. We ran two experiments...
Vast quantities of debris are beaching at remote islands in the western Indian Ocean. We carry out marine dispersal simulations incorporating currents, waves, winds, beaching, and sinking, for both terrestrial and marine sources of debris, to predict where this debris comes from. Our results show that most terrestrial debris beaching at these remot...
The Western Indian Ocean Simulation (WINDS) is a regional configuration of the Coastal and Regional Ocean Community Model (CROCO) for the southwestern Indian Ocean. WINDS has a horizontal resolution of 1/50° (~2 km) and spans a latitudinal range of 23.5° S–0° N, and a longitudinal range from the East African coast to 77.5° E. We ran two experiments...
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The oceans play a major role in the earth’s climate by regulating atmospheric CO 2 . While oceanic primary productivity and organic carbon burial sequesters CO 2 from the atmosphere, precipitation of CaCO 3 in the sea returns CO 2 to the atmosphere. Abiotic CaCO 3 precipitation in the form of aragonite is potentially an important feedback mechanism...
The Kuroshio Current is a major hydrographical feature of the modern East China Sea, but it has been suggested that its flow was diverted to the east of the Ryukyu Arc at the Last Glacial Maximum. Shoaling of the Yonaguni Depression has also been proposed as a cause of Kuroshio Current diversion which, while unlikely to have been significant at the...
Neodymium isotopic composition (εNd) has enjoyed widespread use as a palaeotracer, principally because it behaves quasi-conservatively in the modern ocean. However, recent bottom water εNd reconstructions from the eastern North Atlantic are difficult to interpret under assumptions of conservative behaviour. The observation that this apparent depart...
Questions
Question (1)
I'm trying to obtain a gridded bathymetric dataset of a certain region for use in a model, but all of the openly accessible products that I'm aware of (GEBCO, SRTM+) are very poorly constrained by in-situ observations in this region so are mainly based on gravity data. Unfortunately, I know as a fact that this has introduced some major errors (e.g. islands that don't exist).
I have point depth observations for this region from various historical studies which have not been incorporated into the above data products, and I would like to use them to modify the GEBCO grid to nudge depths in incorrect regions but I was wondering if there's an established method for doing this without introducing serious artefacts.
