Chlorophyll and phaeopigments from water column samples, collected at selected depths aboard Palmer LTER annual cruises off the coast of the Western Antarctic Peninsula, 1991 – present.

Phytoplankton chlorophyll sampling was led by Smith from 1991-2002, and then by Vernet from 2003-2008. Schofield is the third, and current lead, beginning in 2009. Methods have been kept consistent as much as possible over the full time series and different Principal Investigators. Chlorophyll a (Ch...

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Bibliographic Details
Main Authors: LTER, Palmer Station Antarctica, Schofield, Oscar, Vernet, Maria, Smith, Raymond
Format: Dataset
Language:English
Published: Environmental Data Initiative 2020
Subjects:
Online Access:https://dx.doi.org/10.6073/pasta/1547495dd8f469c469e3a9fc9cdb6387
https://portal.edirepository.org/nis/mapbrowse?packageid=knb-lter-pal.24.8
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spelling ftdatacite:10.6073/pasta/1547495dd8f469c469e3a9fc9cdb6387 2023-05-15T13:47:34+02:00 Chlorophyll and phaeopigments from water column samples, collected at selected depths aboard Palmer LTER annual cruises off the coast of the Western Antarctic Peninsula, 1991 – present. LTER, Palmer Station Antarctica Schofield, Oscar Vernet, Maria Smith, Raymond 2020 https://dx.doi.org/10.6073/pasta/1547495dd8f469c469e3a9fc9cdb6387 https://portal.edirepository.org/nis/mapbrowse?packageid=knb-lter-pal.24.8 en eng Environmental Data Initiative dataset Dataset dataPackage 2020 ftdatacite https://doi.org/10.6073/pasta/1547495dd8f469c469e3a9fc9cdb6387 2021-11-05T12:55:41Z Phytoplankton chlorophyll sampling was led by Smith from 1991-2002, and then by Vernet from 2003-2008. Schofield is the third, and current lead, beginning in 2009. Methods have been kept consistent as much as possible over the full time series and different Principal Investigators. Chlorophyll a (Chl a) is the principal photosynthetic pigment of phytoplankton, and is used as a proxy measurement for estimating phytoplankton biomass in water samples. Chl a concentrations reflect the distribution of active phytoplankton spatially and with depth in the water column and their changes over time. Phaeopigments are non-photosynthetic pigments that are degradation products of phytoplankton chlorophylls which form during and after phytoplankton blooms. Water samples are collected throughout the water column along the Western Antarctic Peninsula at regular LTER grid stations where CTD casts are preformed and in surface waters at underway stations, where CTD casts are not done, using the ship’s flow-through seawater system. Water samples are filtered onto GF/F filters, and filters kept frozen at -80°C until analysis at Palmer Station following the completion of the cruise. Fluorometric chlorophyll and phaeopigment analysis is conducted at Palmer Station through acetone extraction of the GF/F filters and measurement of the extract on a Turner 10AU Fluorometer. The primary source of error for phaeopigment measurement is Chlorophyll b. If high amounts of Chlorophyll b are present in the sample, phaeopigments may be overestimated. Dataset Antarc* Antarctic Antarctic Peninsula DataCite Metadata Store (German National Library of Science and Technology) Antarctic Antarctic Peninsula Palmer Station ENVELOPE(-64.050,-64.050,-64.770,-64.770) Palmer-Station ENVELOPE(-64.050,-64.050,-64.770,-64.770)
institution Open Polar
collection DataCite Metadata Store (German National Library of Science and Technology)
op_collection_id ftdatacite
language English
description Phytoplankton chlorophyll sampling was led by Smith from 1991-2002, and then by Vernet from 2003-2008. Schofield is the third, and current lead, beginning in 2009. Methods have been kept consistent as much as possible over the full time series and different Principal Investigators. Chlorophyll a (Chl a) is the principal photosynthetic pigment of phytoplankton, and is used as a proxy measurement for estimating phytoplankton biomass in water samples. Chl a concentrations reflect the distribution of active phytoplankton spatially and with depth in the water column and their changes over time. Phaeopigments are non-photosynthetic pigments that are degradation products of phytoplankton chlorophylls which form during and after phytoplankton blooms. Water samples are collected throughout the water column along the Western Antarctic Peninsula at regular LTER grid stations where CTD casts are preformed and in surface waters at underway stations, where CTD casts are not done, using the ship’s flow-through seawater system. Water samples are filtered onto GF/F filters, and filters kept frozen at -80°C until analysis at Palmer Station following the completion of the cruise. Fluorometric chlorophyll and phaeopigment analysis is conducted at Palmer Station through acetone extraction of the GF/F filters and measurement of the extract on a Turner 10AU Fluorometer. The primary source of error for phaeopigment measurement is Chlorophyll b. If high amounts of Chlorophyll b are present in the sample, phaeopigments may be overestimated.
format Dataset
author LTER, Palmer Station Antarctica
Schofield, Oscar
Vernet, Maria
Smith, Raymond
spellingShingle LTER, Palmer Station Antarctica
Schofield, Oscar
Vernet, Maria
Smith, Raymond
Chlorophyll and phaeopigments from water column samples, collected at selected depths aboard Palmer LTER annual cruises off the coast of the Western Antarctic Peninsula, 1991 – present.
author_facet LTER, Palmer Station Antarctica
Schofield, Oscar
Vernet, Maria
Smith, Raymond
author_sort LTER, Palmer Station Antarctica
title Chlorophyll and phaeopigments from water column samples, collected at selected depths aboard Palmer LTER annual cruises off the coast of the Western Antarctic Peninsula, 1991 – present.
title_short Chlorophyll and phaeopigments from water column samples, collected at selected depths aboard Palmer LTER annual cruises off the coast of the Western Antarctic Peninsula, 1991 – present.
title_full Chlorophyll and phaeopigments from water column samples, collected at selected depths aboard Palmer LTER annual cruises off the coast of the Western Antarctic Peninsula, 1991 – present.
title_fullStr Chlorophyll and phaeopigments from water column samples, collected at selected depths aboard Palmer LTER annual cruises off the coast of the Western Antarctic Peninsula, 1991 – present.
title_full_unstemmed Chlorophyll and phaeopigments from water column samples, collected at selected depths aboard Palmer LTER annual cruises off the coast of the Western Antarctic Peninsula, 1991 – present.
title_sort chlorophyll and phaeopigments from water column samples, collected at selected depths aboard palmer lter annual cruises off the coast of the western antarctic peninsula, 1991 – present.
publisher Environmental Data Initiative
publishDate 2020
url https://dx.doi.org/10.6073/pasta/1547495dd8f469c469e3a9fc9cdb6387
https://portal.edirepository.org/nis/mapbrowse?packageid=knb-lter-pal.24.8
long_lat ENVELOPE(-64.050,-64.050,-64.770,-64.770)
ENVELOPE(-64.050,-64.050,-64.770,-64.770)
geographic Antarctic
Antarctic Peninsula
Palmer Station
Palmer-Station
geographic_facet Antarctic
Antarctic Peninsula
Palmer Station
Palmer-Station
genre Antarc*
Antarctic
Antarctic Peninsula
genre_facet Antarc*
Antarctic
Antarctic Peninsula
op_doi https://doi.org/10.6073/pasta/1547495dd8f469c469e3a9fc9cdb6387
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