Nearshore mixing and nutrient delivery along the western Antarctic Peninsula
The surface waters of the Southern Ocean play a key role in the global climate and carbon cycles by promoting growth of some of the world's largest phytoplankton blooms. Several studies have emphasized the importance of glacial and sediment inputs of Fe that fuel the primary production of the F...
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ftunivnorthcag:oai:libres.uncg.edu/29777 2024-10-06T13:44:26+00:00 Nearshore mixing and nutrient delivery along the western Antarctic Peninsula Corbett, D. Reide Crenshaw, Jared Lyons, W. Berry NC DOCKS at East Carolina University Null, Kimberly Peterson, Leigha E. Peterson, Richard N. 2017 http://libres.uncg.edu/ir/ecu/f/0000-embargo-holder.txt English eng 2017 ftunivnorthcag 2024-09-24T15:15:05Z The surface waters of the Southern Ocean play a key role in the global climate and carbon cycles by promoting growth of some of the world's largest phytoplankton blooms. Several studies have emphasized the importance of glacial and sediment inputs of Fe that fuel the primary production of the Fe-limited Southern Ocean. Although the fertile surface waters along the shelf of the western Antarctic Peninsula (WAP) are influenced by large inputs of freshwater , this freshwater may take multiple pathways (e.g. calving , streams , groundwater discharge) with different degrees of water-rock interactions leading to variable Fe flux to coastal waters. During the summers of 2012-13 and 2013-14 , seawater samples were collected along the WAP , near Anvers Island , to observe water column dynamics in nearshore and offshore waters. Tracers (223 , 224Ra , 222Rn , 18O , 2H) were used to evaluate the source and transport of water and nutrients in coastal fjords and across the shelf. Coastal waters are compared across two field seasons , with increased freshwater observed during 2014. Horizontal mixing rates of water masses along the WAP ranged from 110-3600 m2 s-1. These mixing rates suggest a rapid transport mechanism for moving meltwater offshore. Other/Unknown Material Antarc* Antarctic Antarctic Peninsula Anvers Island Southern Ocean University of North Carolina: NC DOCKS (Digital Online Collection of Knowledge and Scholarship) Antarctic Southern Ocean Antarctic Peninsula Anvers ENVELOPE(-63.500,-63.500,-64.600,-64.600) Anvers Island ENVELOPE(-63.500,-63.500,-64.600,-64.600) |
institution |
Open Polar |
collection |
University of North Carolina: NC DOCKS (Digital Online Collection of Knowledge and Scholarship) |
op_collection_id |
ftunivnorthcag |
language |
English |
description |
The surface waters of the Southern Ocean play a key role in the global climate and carbon cycles by promoting growth of some of the world's largest phytoplankton blooms. Several studies have emphasized the importance of glacial and sediment inputs of Fe that fuel the primary production of the Fe-limited Southern Ocean. Although the fertile surface waters along the shelf of the western Antarctic Peninsula (WAP) are influenced by large inputs of freshwater , this freshwater may take multiple pathways (e.g. calving , streams , groundwater discharge) with different degrees of water-rock interactions leading to variable Fe flux to coastal waters. During the summers of 2012-13 and 2013-14 , seawater samples were collected along the WAP , near Anvers Island , to observe water column dynamics in nearshore and offshore waters. Tracers (223 , 224Ra , 222Rn , 18O , 2H) were used to evaluate the source and transport of water and nutrients in coastal fjords and across the shelf. Coastal waters are compared across two field seasons , with increased freshwater observed during 2014. Horizontal mixing rates of water masses along the WAP ranged from 110-3600 m2 s-1. These mixing rates suggest a rapid transport mechanism for moving meltwater offshore. |
author |
Corbett, D. Reide Crenshaw, Jared Lyons, W. Berry NC DOCKS at East Carolina University Null, Kimberly Peterson, Leigha E. Peterson, Richard N. |
spellingShingle |
Corbett, D. Reide Crenshaw, Jared Lyons, W. Berry NC DOCKS at East Carolina University Null, Kimberly Peterson, Leigha E. Peterson, Richard N. Nearshore mixing and nutrient delivery along the western Antarctic Peninsula |
author_facet |
Corbett, D. Reide Crenshaw, Jared Lyons, W. Berry NC DOCKS at East Carolina University Null, Kimberly Peterson, Leigha E. Peterson, Richard N. |
author_sort |
Corbett, D. Reide |
title |
Nearshore mixing and nutrient delivery along the western Antarctic Peninsula |
title_short |
Nearshore mixing and nutrient delivery along the western Antarctic Peninsula |
title_full |
Nearshore mixing and nutrient delivery along the western Antarctic Peninsula |
title_fullStr |
Nearshore mixing and nutrient delivery along the western Antarctic Peninsula |
title_full_unstemmed |
Nearshore mixing and nutrient delivery along the western Antarctic Peninsula |
title_sort |
nearshore mixing and nutrient delivery along the western antarctic peninsula |
publishDate |
2017 |
url |
http://libres.uncg.edu/ir/ecu/f/0000-embargo-holder.txt |
long_lat |
ENVELOPE(-63.500,-63.500,-64.600,-64.600) ENVELOPE(-63.500,-63.500,-64.600,-64.600) |
geographic |
Antarctic Southern Ocean Antarctic Peninsula Anvers Anvers Island |
geographic_facet |
Antarctic Southern Ocean Antarctic Peninsula Anvers Anvers Island |
genre |
Antarc* Antarctic Antarctic Peninsula Anvers Island Southern Ocean |
genre_facet |
Antarc* Antarctic Antarctic Peninsula Anvers Island Southern Ocean |
_version_ |
1812182857071722496 |