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The Potential of Space-Based Sea Surface Salinity on Monitoring the Hudson Bay Freshwater Cycle

Wenqing Tang, Simon H. Yueh, Daqing Yang, Ellie Mcleod, Alexander Fore, Akiko Hayashi, Estrella Olmedo, Justino Martínez, Carolina Gabarró
2020 Remote Sensing  
Given the strategic importance of HB, SSS has great potential in monitoring the HB freshwater cycle and studying its relationship with climate change.  ...  Hudson Bay (HB) is the largest semi-inland sea in the Northern Hemisphere, connecting with the Arctic Ocean through the Foxe Basin and the northern Atlantic Ocean through the Hudson Strait.  ...  Sea ice concentration data was obtained from the National Snow and Ice Data Center (NSIDC). Precipitation data from the NOAA Earth System Research Laboratory (ESRL).  ... 
doi:10.3390/rs12050873 fatcat:yovqxs7cc5bnhgbkh4wxu2fena

Arctic Ocean and Hudson Bay Freshwater Exports: New Estimates from 7 Decades of Hydrographic Surveys on the Labrador Shelf

Cristian Florindo-López, Sheldon Bacon, Yevgeny Aksenov, Léon Chafik, Eugene Colbourne, N. Penny Holliday
2020 Journal of Climate  
It originates as the Hudson Bay outflow, and preserves variability from river runoff into the Hudson Bay catchment.  ...  While reasonable knowledge of multi-decadal Arctic freshwater storage variability exists, we have little knowledge of Arctic freshwater exports on similar timescales.  ...  CFL received funding from University of Southampton, Obra Social La Caixa, and NOC during  ... 
doi:10.1175/jcli-d-19-0083.1 fatcat:v772rzu4pvhivpjblotfjehp7m

Protist communities along freshwater–marine transition zones in Hudson Bay (Canada)

Loïc Jacquemot, Dimitri Kalenitchenko, Lisa C. Matthes, Adrien Vigneron, Christopher J. Mundy, Jean-Éric Tremblay, Connie Lovejoy
2021 Elementa: Science of the Anthropocene  
One of the most striking ecological divides on Earth is between marine and nearby freshwater environments, as relatively few taxa can move between the two.  ...  To bridge this knowledge gap, we investigated three river-to-sea transitions (Nelson, Churchill, and Great Whale Rivers) in sub-Arctic Hudson Bay through 18S rRNA amplicon sequencing to identify microbial  ...  The CTD data were collected on board the Canadian research icebreaker CCGS Amundsen as part of the Hudson Bay System Study (BaySys).  ... 
doi:10.1525/elementa.2021.00111 fatcat:voojw6uhmnav5ha2yveyeefdjm

Effect of terrestrial organic matter on ocean acidification and CO2 flux in an Arctic Shelf Sea

David W. Capelle, Zou Zou A. Kuzyk, Tim Papakyriakou, Céline Guéguen, Lisa A. Miller, Robie W. Macdonald
2020 Progress in Oceanography  
Hudson Bay is a large shelf sea in northern Canada whose location at the margin of the cryosphere places it in the vanguard of global climate change.  ...  We estimate the annual effects of terrestrial carbon remineralization on aragonite saturation (Ω Ar , a proxy for ocean acidification) and on the partial pressure of CO 2 (pCO 2 , a proxy for air-sea CO  ...  This work was conducted as part of the ArcticNet and Baysys Research projects with funding from the contributions of the Natural Sciences and Engineering Research Council (NSERC), Manitoba Hydro, and the  ... 
doi:10.1016/j.pocean.2020.102319 fatcat:4bxvxu2chba4jozfbveobbhhke

Freshwater and its role in the Arctic Marine System: Sources, disposition, storage, export, and physical and biogeochemical consequences in the Arctic and global oceans

E. C. Carmack, M. Yamamoto-Kawai, T. W. N. Haine, S. Bacon, B. A. Bluhm, C. Lique, H. Melling, I. V. Polyakov, F. Straneo, M.-L. Timmermans, W. J. Williams
2016 Journal of Geophysical Research - Biogeosciences  
We here assess the system's key functions and processes: (1) the delivery of fresh and low-salinity waters to the Arctic Ocean by river inflow, net precipitation, distillation during the freeze/thaw cycle  ...  Internal to the Arctic the joint effects of sea ice decline and hydrological cycle intensification have strengthened coupling between the ocean and the atmosphere (e.g., wind and ice drift stresses, solar  ...  Hudson Bay The Hudson Bay System (HBS), including Hudson, James and Ungava Bays, Foxe Basin, and Hudson Strait, is a large, relatively shallow, inland sea connected to the Arctic Ocean via the narrow and  ... 
doi:10.1002/2015jg003140 fatcat:jqjfzs3igfgrxfpkupfseuje2a

Quasi-decadal Salinity Fluctuations in the Labrador Sea*

Robert W. Houghton, Martin H. Visbeck
2002 Journal of Physical Oceanography  
The connection of the North Atlantic Oscillation (NAO) with these quasi-decadal salinity fluctuations is most obvious in the Labrador Sea interior, where increased surface buoyancy flux during positive  ...  The authors propose a feedback mechanism where, during years of low wind speed, freshwater accumulates offshore of the slope front in the surface layer.  ...  The technical assistance of Cheng Ho and the critical but constructive suggestions by the  ... 
doi:10.1175/1520-0485(2002)032<0687:qdsfit>2.0.co;2 fatcat:rpalnfm65vc27gmrg4sqwk7pxq

Freshwater Discharge, Sediment Transport, and Modeled Climate Impacts of the Final Drainage of Glacial Lake Agassiz

Garry K. C. Clarke, Andrew B. G. Bush, John W. M. Bush
2009 Journal of Climate  
It is found that the outburst flood and associated redirection of postflood meltwater drainage to the Labrador Sea, via Hudson Strait, can freshen the North Atlantic, leading to reduced salinity and sea  ...  surface temperature, and thus to increased sea ice production at high latitudes.  ...  GC wishes to acknowledge stimulating interactions and extraordinary hospitality from the colleagues and family of the late David C.  ... 
doi:10.1175/2008jcli2439.1 fatcat:chd3j2br7zeabazxhvwzfygvpe

Calcium carbonate saturation states in the waters of the Canadian Arctic Archipelago and the Labrador Sea

Kumiko Azetsu-Scott, Allyn Clarke, Kelly Falkner, James Hamilton, E. Peter Jones, Craig Lee, Brian Petrie, Simon Prinsenberg, Michel Starr, Philip Yeats
2010 Journal of Geophysical Research  
Falkner acknowledges a support for the Healy 2003 mission of the Canadian Archipelago Throughflow Program from the Arctic Division of the Office of Polar Programs of the U.S.  ...  We are grateful to scientists of Bedford Institute of Oceanography and MERICA program of Institut Maurice-Lamontagne.  ...  River runoff of about 900 km 3 /yr augmented by sea ice meltwater leads to a stratified Hudson Bay outflow with surface salinities of <31.  ... 
doi:10.1029/2009jc005917 fatcat:tuv7dhnfbjdbbncdmwprocci2y

A Life Vest for Hudson Bay's Drifting Stewardship

Nunavuummi Tasiujarjuamiuguqatigiit Katutjiqatigiingit (NTK)
2009 Arctic  
Hudson Bay, as the world's second-largest inland sea, is far from insignificant. Yet, the Hudson Bay bioregion barely registers on the radar of Canadian ocean management.  ...  Such a collaborative effort could make tangible progress toward sound, ecosystem-based, integrated management of the Hudson Bay bioregion.  ...  Many thanks as well to the reviewers of this article, and to the organizers of Coastal Zone Canada 2006 for providing us with the opportunity to place Hudson Bay on the agendas of the Conference and its  ... 
doi:10.14430/arctic100 fatcat:5z65gg7qzrdtdbx3zv3mviddme

The Potential and Challenges of Using Soil Moisture Active Passive (SMAP) Sea Surface Salinity to Monitor Arctic Ocean Freshwater Changes

Wenqing Tang, Simon Yueh, Daqing Yang, Alexander Fore, Akiko Hayashi, Tong Lee, Severine Fournier, Benjamin Holt
2018 Remote Sensing  
Sea surface salinity (SSS) links various components of the Arctic freshwater system.  ...  We explored the feasibility of using SMAP SSS to monitor the sea surface salinity variability at the major Arctic Ocean gateways.  ...  We also thank Bastien Queste of University of East Anglia, UK for providing the salinity data from seaglider missions.  ... 
doi:10.3390/rs10060869 fatcat:rieyfiwvgzfejkwtss7ntvgiv4

Davis Strait volume, freshwater and heat fluxes

Jérôme Cuny, Peter B. Rhines, Ron Kwok
2005 Deep Sea Research Part I: Oceanographic Research Papers  
The southward freshwater transport seasonal amplitude is dominated by the CIL transport rather than the surface meltwater layer.  ...  Volume, freshwater and heat transport through Davis Strait, the northern boundary of the Labrador Basin, are computed using a mooring array deployed for three consecutive years.  ...  Finally, we would like to thank Luanne Thompson and Craig Lee for their thorough editing of a first version of the manuscript.  ... 
doi:10.1016/j.dsr.2004.10.006 fatcat:xvinfwwci5e4xox7mlupxi7aoy

Impact of Continental Freshwater Runoff on Coastal Sea Level

Fabien Durand, Christopher G. Piecuch, Mélanie Becker, Fabrice Papa, Sherin V. Raju, Jamal U. Khan, Rui M. Ponte
2019 Surveys in geophysics  
Freshwater discharge to the coastal ocean is a fundamental component of the global water cycle. It can impact coastal sea level over a broad range of spatial and temporal scales.  ...  Here we review the status of the current knowledge based on observational and modeling approaches.  ...  Acknowledgements We are thankful to Valérie Ballu and Stéphane Calmant for sharing the GNSS blanket dataset. Rachid Benshila carried out the Bay of Bengal passive tracer modeling experiment.  ... 
doi:10.1007/s10712-019-09536-w fatcat:kmzk7zxlq5ecbkvqdmrtdvmkse

Current estimates of freshwater flux through Arctic and subarctic seas

Robert Dickson, Bert Rudels, Stephen Dye, Michael Karcher, Jens Meincke, Igor Yashayaev
2007 Progress in Oceanography  
maps of the rates and pathways of freshwater flux through subarctic seas.  ...  We find that 148 mSv of freshwater enters the Nordic Seas across its northern boundary.  ...  Acknowledgements We are grateful to the following individuals for their contributions of data, advice and ideas: Humfrey Mel-  ... 
doi:10.1016/j.pocean.2006.12.003 fatcat:qranyekwtjbflowtswcxzuabye

Air‐Sea CO 2 Flux Estimates in Stratified Arctic Coastal Waters: How Wrong Can We Be?

Lisa A. Miller, Tonya M. Burgers, William J. Burt, Mats A. Granskog, Tim N. Papakyriakou
2019 Geophysical Research Letters  
Summer near-surface seawater sampling in the Canadian Arctic revealed potential for significant errors (nearly 0.1 μmol·(m -2 s -1 )) in CO 2 fluxes calculated from measured air-sea CO 2 gradients.  ...  Distributions of temperature, salinity, and fluorescence indicated that the sources of the CO 2 system gradients varied between stations, precluding simple corrections to align subsurface data with shallower  ...  This work was conducted under the auspices of the ArcticNet and NETCARE programs, and funding was provided by Fisheries and Oceans Canada, the Natural Science and Engineering Research Council, the Canadian  ... 
doi:10.1029/2018gl080099 fatcat:sct75n5gv5g2rimuhi4j37teoi

Dinoflagellate cyst production over an annual cycle in seasonally ice-covered Hudson Bay

Maija Heikkilä, Vera Pospelova, Alexandre Forest, Gary A. Stern, Louis Fortier, Robie W. Macdonald
2016 Marine Micropaleontology  
Furthermore, the species-specific timing of cyst production behaved similarly relative to the seasonal sea-ice cycle at both locations.  ...  The total dinoflagellate cyst fluxes at the site on the western side of the bay ranged from 4600 to 53,600 cysts m −2 day −1 (average 20,000 cysts m −2 day −1 ), while on average three times higher fluxes  ...  National Climate Services Canada is thanked for producing the missing CWEEDS data. We thank the Editor and two reviewers for their constructive comments on the manuscript.  ... 
doi:10.1016/j.marmicro.2016.02.005 fatcat:ybhrbnynmfeahc6gxurmyhx6oe
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