Circulation in the vicinity of Mackenzie Canyon from a year-long mooring array

Lin, Peigen; Pickart, Robert S.; Fissel, David B.; Ross, Ed; Kasper, Jeremy; Bahr, Frank; Torres, Daniel J.; O’Brien, Jeff; Borg, Keath; Melling, Humfrey; Wiese, Francis K.

doi:10.1016/j.pocean.2020.102396

Cited by 19 publications

(18 citation statements)

References 49 publications

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“…With regard to the Beaufort Shelfbreak Jet, only a small number of the surface drifters launched on the Chukchi shelf entered the Beaufort Sea after exiting Barrow Canyon (Stabeno & McCabe, 2020). Mooring data indicate that the jet extends to the eastern Beaufort Sea (Forest et al., 2015; Lin et al., 2020), but an energetics analysis suggests that the summertime configuration of the current should spin down before reaching the Amundsen Gulf, the first entrance to the Canadian Arctic Archipelago (von Appen & Pickart, 2012). At this point, there remains considerable uncertainty regarding the fate of the Pacific water in both the Beaufort Shelfbreak Jet and the Chukchi Slope Current.…”

Section: Introductionmentioning

confidence: 99%

Fate of Warm Pacific Water in the Arctic Basin

Lin

Pickart

Våge

et al. 2021

Geophysical Research Letters

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Section: Introductionmentioning

confidence: 99%

Fate of Warm Pacific Water in the Arctic Basin

Lin

Pickart

Våge

et al. 2021

Geophysical Research Letters

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“…Among the different elements, ΔfCO 2 sets the direction of CO 2 flux and potential of CO 2 flux, while the gas exchange coefficient exponentially increases with the wind speed. ERA5 provides a robust wind product that has a good correlation with the observations, and has been used in many previous studies (e.g., Lin et al, 2020;Tian et al, 2021).…”

Section: Sea-air Co 2 Difference Changesmentioning

confidence: 99%

Summer Surface CO₂ Dynamics on the Bering Sea and Eastern Chukchi Sea Shelves From 1989 to 2019

et al. 2022

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By compiling boreal summer (June to October) CO2 measurements from 1989 to 2019 on the Bering and eastern Chukchi Sea shelves, we find that the study areas act as a CO2 sink except when impacted by river runoff and wind‐driven upwelling. The CO2 system in this area is seasonally dominated by the biological pump especially in the northern Bering Sea and near Hanna Shoal, while wind‐driven upwelling of CO2‐rich bottom water can cause episodic outgassing. Seasonal surface ΔfCO2 (oceanic fCO2 – air fCO2) is dominantly driven by temperature only during periods of weak CO2 outgassing in shallow nearshore areas. However, after comparing the mean summer ΔfCO2 during the periods of 1989–2013 and 2014–2019, we suggest that temperature does drive long‐term, multi‐decadal patterns in ΔfCO2. In the northern Chukchi Sea, rapid warming concurrent with reduced seasonal sea‐ice persistence caused the regional summer CO2 sink to decrease. By contrast, increasing primary productivity caused the regional summer CO2 sink on the Bering Sea shelf to increase over time. While additional time series are needed to confirm the seasonal and annual trajectory of CO2 changes and ocean acidification in these dynamic and spatially complex ecosystems, this study provides a meaningful mechanistic analysis of recent changes in inorganic carbonate chemistry. As high‐resolution time series of inorganic carbonate parameters lengthen and short‐term variations are better constrained in the coming decades, we will have stronger confidence in assessing the mechanisms contributing to long‐term changes in the source/sink status of regional sub‐Arctic seas.

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“…Moorings collected from 2016-2017 as part of MARES elucidated the circulation in the vicinity of Mackenzie Canyon on the Beaufort shelf, its response to wind and ice, and how the topography of the canyon influences it [150]. Wind appeared to be the main driver of shelfbreak and Mackenzie Trough circulation.…”

Section: Field Observationsmentioning

confidence: 99%

A Multifaceted Approach to Advance Oil Spill Modeling and Physical Oceanographic Research at the United States Bureau of Ocean Energy Management

Smith

DuFore

et al. 2021

JMSE

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The Environmental Studies Program (ESP) at the United States Bureau of Ocean Energy Management (BOEM) is funded by the United States Congress to support BOEM’s mission, which is to use the best available science to responsibly manage the development of the Nation’s offshore energy and mineral resources. Since its inception in 1973, the ESP has funded over $1 billion of multidisciplinary research across four main regions of the United States Outer Continental Shelf: Gulf of Mexico, Atlantic, Alaska, and Pacific. Understanding the dynamics of oil spills and their potential effects on the environment has been one of the primary goals of BOEM’s funding efforts. To this end, BOEM’s ESP continues to support research that improves oil spill modeling by advancing our understanding and the application of meteorological and oceanographic processes to improve oil spill modeling. Following the Deepwater Horizon oil spill in 2010, BOEM has invested approximately $28 million on relevant projects resulting in 73 peer-reviewed journal articles and 42 technical reports. This study describes the findings of these projects, along with the lessons learned and research information needs identified. We also present a path forward for BOEM’s oil spill modeling and physical oceanographic research.

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Circulation in the vicinity of Mackenzie Canyon from a year-long mooring array

Cited by 19 publications

References 49 publications

Fate of Warm Pacific Water in the Arctic Basin

Fate of Warm Pacific Water in the Arctic Basin

Summer Surface CO₂ Dynamics on the Bering Sea and Eastern Chukchi Sea Shelves From 1989 to 2019

A Multifaceted Approach to Advance Oil Spill Modeling and Physical Oceanographic Research at the United States Bureau of Ocean Energy Management

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Circulation in the vicinity of Mackenzie Canyon from a year-long mooring array

Cited by 19 publications

References 49 publications

Fate of Warm Pacific Water in the Arctic Basin

Fate of Warm Pacific Water in the Arctic Basin

Summer Surface CO2 Dynamics on the Bering Sea and Eastern Chukchi Sea Shelves From 1989 to 2019

A Multifaceted Approach to Advance Oil Spill Modeling and Physical Oceanographic Research at the United States Bureau of Ocean Energy Management

Contact Info

Product

Resources

About

Summer Surface CO₂ Dynamics on the Bering Sea and Eastern Chukchi Sea Shelves From 1989 to 2019