The autonomous clean environmental (ACE) sampler: A trace‐metal clean seawater sampler suitable for open‐ocean time‐series applications
Abstract The fundamental role of the micronutrient Fe in controlling phytoplankton growth in large parts of Earth's oceans and a lack of information on seasonal transitions in remote regions motivated us to create an autonomous water sampler capable of collecting uncontaminated open‐ocean seawa...
Published in: | Limnology and Oceanography: Methods |
---|---|
Main Authors: | , , , , |
Other Authors: | |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Wiley
2019
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1002/lom3.10327 https://onlinelibrary.wiley.com/doi/pdf/10.1002/lom3.10327 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/lom3.10327 https://aslopubs.onlinelibrary.wiley.com/doi/pdf/10.1002/lom3.10327 |
id |
crwiley:10.1002/lom3.10327 |
---|---|
record_format |
openpolar |
spelling |
crwiley:10.1002/lom3.10327 2024-09-15T18:37:19+00:00 The autonomous clean environmental (ACE) sampler: A trace‐metal clean seawater sampler suitable for open‐ocean time‐series applications van der Merwe, Pier Trull, Thomas W. Goodwin, Trevor Jansen, Peter Bowie, Andrew Antarctic Climate and Ecosystems Cooperative Research Centre 2019 http://dx.doi.org/10.1002/lom3.10327 https://onlinelibrary.wiley.com/doi/pdf/10.1002/lom3.10327 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/lom3.10327 https://aslopubs.onlinelibrary.wiley.com/doi/pdf/10.1002/lom3.10327 en eng Wiley http://creativecommons.org/licenses/by-nc/4.0/ Limnology and Oceanography: Methods volume 17, issue 9, page 490-504 ISSN 1541-5856 1541-5856 journal-article 2019 crwiley https://doi.org/10.1002/lom3.10327 2024-07-25T04:23:26Z Abstract The fundamental role of the micronutrient Fe in controlling phytoplankton growth in large parts of Earth's oceans and a lack of information on seasonal transitions in remote regions motivated us to create an autonomous water sampler capable of collecting uncontaminated open‐ocean seawater samples with monthly resolution over a full annual cycle. Phytoplankton are at the base of the food chain, which take up carbon dioxide through photosynthesis. Assessing Fe availability is essential to understanding both ocean productivity and our climate. This need is particularly important in the Southern Ocean, where Fe limitation is wide spread and access is difficult especially in winter. To address this need, we have developed an autonomous system capable of observing iron concentrations over a full seasonal cycle, at the subnanomolar concentrations that are important in the open ocean. The automated clean environmental sampler has been developed initially for 1‐yr deployments on oceanographic moorings. Twelve samples per unit can be programmed to collect 65 mL of seawater through a noncontaminating, primarily Teflon sample path. The system is vaned to maintain its intake tubes in upstream water and has been tested to 100 m depth. The system was deployed during a GEOTRACES section (SR3 line, GS01) in 2018 alongside an industry standard, trace metal clean rosette, and no significant difference was found in Fe concentrations in the 50 pmol L –1 range, proving its capability at collecting uncontaminated seawater samples in the open ocean at temperatures above 0°C. Article in Journal/Newspaper Southern Ocean Wiley Online Library Limnology and Oceanography: Methods 17 9 490 504 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
Abstract The fundamental role of the micronutrient Fe in controlling phytoplankton growth in large parts of Earth's oceans and a lack of information on seasonal transitions in remote regions motivated us to create an autonomous water sampler capable of collecting uncontaminated open‐ocean seawater samples with monthly resolution over a full annual cycle. Phytoplankton are at the base of the food chain, which take up carbon dioxide through photosynthesis. Assessing Fe availability is essential to understanding both ocean productivity and our climate. This need is particularly important in the Southern Ocean, where Fe limitation is wide spread and access is difficult especially in winter. To address this need, we have developed an autonomous system capable of observing iron concentrations over a full seasonal cycle, at the subnanomolar concentrations that are important in the open ocean. The automated clean environmental sampler has been developed initially for 1‐yr deployments on oceanographic moorings. Twelve samples per unit can be programmed to collect 65 mL of seawater through a noncontaminating, primarily Teflon sample path. The system is vaned to maintain its intake tubes in upstream water and has been tested to 100 m depth. The system was deployed during a GEOTRACES section (SR3 line, GS01) in 2018 alongside an industry standard, trace metal clean rosette, and no significant difference was found in Fe concentrations in the 50 pmol L –1 range, proving its capability at collecting uncontaminated seawater samples in the open ocean at temperatures above 0°C. |
author2 |
Antarctic Climate and Ecosystems Cooperative Research Centre |
format |
Article in Journal/Newspaper |
author |
van der Merwe, Pier Trull, Thomas W. Goodwin, Trevor Jansen, Peter Bowie, Andrew |
spellingShingle |
van der Merwe, Pier Trull, Thomas W. Goodwin, Trevor Jansen, Peter Bowie, Andrew The autonomous clean environmental (ACE) sampler: A trace‐metal clean seawater sampler suitable for open‐ocean time‐series applications |
author_facet |
van der Merwe, Pier Trull, Thomas W. Goodwin, Trevor Jansen, Peter Bowie, Andrew |
author_sort |
van der Merwe, Pier |
title |
The autonomous clean environmental (ACE) sampler: A trace‐metal clean seawater sampler suitable for open‐ocean time‐series applications |
title_short |
The autonomous clean environmental (ACE) sampler: A trace‐metal clean seawater sampler suitable for open‐ocean time‐series applications |
title_full |
The autonomous clean environmental (ACE) sampler: A trace‐metal clean seawater sampler suitable for open‐ocean time‐series applications |
title_fullStr |
The autonomous clean environmental (ACE) sampler: A trace‐metal clean seawater sampler suitable for open‐ocean time‐series applications |
title_full_unstemmed |
The autonomous clean environmental (ACE) sampler: A trace‐metal clean seawater sampler suitable for open‐ocean time‐series applications |
title_sort |
autonomous clean environmental (ace) sampler: a trace‐metal clean seawater sampler suitable for open‐ocean time‐series applications |
publisher |
Wiley |
publishDate |
2019 |
url |
http://dx.doi.org/10.1002/lom3.10327 https://onlinelibrary.wiley.com/doi/pdf/10.1002/lom3.10327 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/lom3.10327 https://aslopubs.onlinelibrary.wiley.com/doi/pdf/10.1002/lom3.10327 |
genre |
Southern Ocean |
genre_facet |
Southern Ocean |
op_source |
Limnology and Oceanography: Methods volume 17, issue 9, page 490-504 ISSN 1541-5856 1541-5856 |
op_rights |
http://creativecommons.org/licenses/by-nc/4.0/ |
op_doi |
https://doi.org/10.1002/lom3.10327 |
container_title |
Limnology and Oceanography: Methods |
container_volume |
17 |
container_issue |
9 |
container_start_page |
490 |
op_container_end_page |
504 |
_version_ |
1810481678071627776 |