Absorption coefficient spectra (median) of phytoplankton during POLARSTERN cruise PS93.2
Absorption coefficients by phytoplankton (aph) were measured on water samples collected from underway AC-S flow-through system outflow and CTD. Measurements were performed using a dual-beam UV/VIS spectrophotometer as described in Liu et al. (2018) and Liu et al. (2019). 1. About sampling: a) underw...
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Language: | English |
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PANGAEA
2019
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Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.907593 https://doi.org/10.1594/PANGAEA.907593 |
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.907593 |
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record_format |
openpolar |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
absorption Absorption coefficient 350 nm 351 nm 352 nm 353 nm 354 nm 355 nm 356 nm 357 nm 358 nm 359 nm 360 nm 361 nm 362 nm 363 nm 364 nm 365 nm 366 nm 367 nm 368 nm 369 nm 370 nm 371 nm 372 nm 373 nm |
spellingShingle |
absorption Absorption coefficient 350 nm 351 nm 352 nm 353 nm 354 nm 355 nm 356 nm 357 nm 358 nm 359 nm 360 nm 361 nm 362 nm 363 nm 364 nm 365 nm 366 nm 367 nm 368 nm 369 nm 370 nm 371 nm 372 nm 373 nm Wiegmann, Sonja Liu, Yangyang Bracher, Astrid Absorption coefficient spectra (median) of phytoplankton during POLARSTERN cruise PS93.2 |
topic_facet |
absorption Absorption coefficient 350 nm 351 nm 352 nm 353 nm 354 nm 355 nm 356 nm 357 nm 358 nm 359 nm 360 nm 361 nm 362 nm 363 nm 364 nm 365 nm 366 nm 367 nm 368 nm 369 nm 370 nm 371 nm 372 nm 373 nm |
description |
Absorption coefficients by phytoplankton (aph) were measured on water samples collected from underway AC-S flow-through system outflow and CTD. Measurements were performed using a dual-beam UV/VIS spectrophotometer as described in Liu et al. (2018) and Liu et al. (2019). 1. About sampling: a) underway samples were collected from unfiltered AC-S outflow (depth: 11m); CTD samples with 5-6 depths were collected on upcast. b) vacuum pressure for filtration: maximum 200 hPa c) samples were shock frozen in liquid nitrogen and then stored in -80°C until measurement after cruise. d) blank filters were collected by soaking them in 0.2um filtered seawater. e) replicates were not collected. 2. About measurements: a) Instrument: dual-beam UV/VIS Spectrophotometer (Cary 4000, Varian Inc., Palo Alto, CA, USA) equipped with a 150 mm integrating sphere (external DRA-900, Varian, Inc. and Labsphere Inc., made from Spectralon (TM)). b) wavelength range of scan and resolution: 300-850 nm, 1 nm. c) slit band width: 2 nm. d) scan speed: 150 nm min−1 e) Sample filters were extracted with 95% methanol for the absorption measurement of NAP. f) The baseline of the spectrophotometer was set with a dry piece of a blank filter. Filters were wetted with purified water and measured regularly after every fifth sample filter served as references. 3. About data analysis: a) interpolated wavelength range and resolution: 350-750 nm, 1nm. b) pathlength amplification factor (beta correction factor): 4.5 (Röttgers and Gehnke 2012; Röttgers et al., 2014). c) Null-point scattering correction at 750 nm is applied. |
format |
Dataset |
author |
Wiegmann, Sonja Liu, Yangyang Bracher, Astrid |
author_facet |
Wiegmann, Sonja Liu, Yangyang Bracher, Astrid |
author_sort |
Wiegmann, Sonja |
title |
Absorption coefficient spectra (median) of phytoplankton during POLARSTERN cruise PS93.2 |
title_short |
Absorption coefficient spectra (median) of phytoplankton during POLARSTERN cruise PS93.2 |
title_full |
Absorption coefficient spectra (median) of phytoplankton during POLARSTERN cruise PS93.2 |
title_fullStr |
Absorption coefficient spectra (median) of phytoplankton during POLARSTERN cruise PS93.2 |
title_full_unstemmed |
Absorption coefficient spectra (median) of phytoplankton during POLARSTERN cruise PS93.2 |
title_sort |
absorption coefficient spectra (median) of phytoplankton during polarstern cruise ps93.2 |
publisher |
PANGAEA |
publishDate |
2019 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.907593 https://doi.org/10.1594/PANGAEA.907593 |
op_coverage |
MEDIAN LATITUDE: 78.967581 * MEDIAN LONGITUDE: 4.632702 * SOUTH-BOUND LATITUDE: 73.428667 * WEST-BOUND LONGITUDE: -3.068500 * NORTH-BOUND LATITUDE: 80.004833 * EAST-BOUND LONGITUDE: 14.254667 * DATE/TIME START: 2015-07-22T22:00:00 * DATE/TIME END: 2015-08-12T05:08:00 * MINIMUM DEPTH, water: 5 m * MAXIMUM DEPTH, water: 100 m |
long_lat |
ENVELOPE(-3.068500,14.254667,80.004833,73.428667) |
genre |
Arctic |
genre_facet |
Arctic |
op_relation |
https://doi.org/10.1594/PANGAEA.907605 Liu, Yangyang; Boss, Emmanuel; Chase, Alison P; Xi, Hongyan; Zhang, Xiaodong; Röttgers, Rüdiger; Pan, Yanqun; Bracher, Astrid (2019): Retrieval of phytoplankton pigments from underway spectrophotometry in the Fram Strait. Remote Sensing, 11(3), 318, https://doi.org/10.3390/rs11030318 Liu, Yangyang; Röttgers, Rüdiger; Ramírez-Pérez, Marta; Dinter, Tilman; Steinmetz, Francois; Nöthig, Eva-Maria; Hellmann, Sebastian; Wiegmann, Sonja; Bracher, Astrid (2018): Underway spectrophotometry in the Fram Strait (European Arctic Ocean): a highly resolved chlorophyll a data source for complementing satellite ocean color. Optics Express, 26(14), A678-A696, https://doi.org/10.1364/OE.26.00A678 Röttgers, Rüdiger; Dupouy, Cécile; Taylor, Bettina B; Bracher, Astrid; Woźniak, Slawomir B (2014): Mass-specific light absorption coefficients of natural aquatic particles in the near-infrared spectral region. Limnology and Oceanography, 59(5), 1449-1460, https://doi.org/10.4319/lo.2014.59.5.1449 Röttgers, Rüdiger; Gehnke, Steffen (2012): Measurement of light absorption by aquatic particles: improvement of the quantitative filter technique by use of an integrating sphere approach. Applied Optics, 51(9), 1336, https://doi.org/10.1364/AO.51.001336 https://doi.pangaea.de/10.1594/PANGAEA.907593 https://doi.org/10.1594/PANGAEA.907593 |
op_rights |
CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1594/PANGAEA.90759310.1594/PANGAEA.90760510.3390/rs1103031810.1364/OE.26.00A67810.4319/lo.2014.59.5.144910.1364/AO.51.001336 |
_version_ |
1810294023429029888 |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.907593 2024-09-15T17:51:58+00:00 Absorption coefficient spectra (median) of phytoplankton during POLARSTERN cruise PS93.2 Wiegmann, Sonja Liu, Yangyang Bracher, Astrid MEDIAN LATITUDE: 78.967581 * MEDIAN LONGITUDE: 4.632702 * SOUTH-BOUND LATITUDE: 73.428667 * WEST-BOUND LONGITUDE: -3.068500 * NORTH-BOUND LATITUDE: 80.004833 * EAST-BOUND LONGITUDE: 14.254667 * DATE/TIME START: 2015-07-22T22:00:00 * DATE/TIME END: 2015-08-12T05:08:00 * MINIMUM DEPTH, water: 5 m * MAXIMUM DEPTH, water: 100 m 2019 text/tab-separated-values, 97042 data points https://doi.pangaea.de/10.1594/PANGAEA.907593 https://doi.org/10.1594/PANGAEA.907593 en eng PANGAEA https://doi.org/10.1594/PANGAEA.907605 Liu, Yangyang; Boss, Emmanuel; Chase, Alison P; Xi, Hongyan; Zhang, Xiaodong; Röttgers, Rüdiger; Pan, Yanqun; Bracher, Astrid (2019): Retrieval of phytoplankton pigments from underway spectrophotometry in the Fram Strait. Remote Sensing, 11(3), 318, https://doi.org/10.3390/rs11030318 Liu, Yangyang; Röttgers, Rüdiger; Ramírez-Pérez, Marta; Dinter, Tilman; Steinmetz, Francois; Nöthig, Eva-Maria; Hellmann, Sebastian; Wiegmann, Sonja; Bracher, Astrid (2018): Underway spectrophotometry in the Fram Strait (European Arctic Ocean): a highly resolved chlorophyll a data source for complementing satellite ocean color. Optics Express, 26(14), A678-A696, https://doi.org/10.1364/OE.26.00A678 Röttgers, Rüdiger; Dupouy, Cécile; Taylor, Bettina B; Bracher, Astrid; Woźniak, Slawomir B (2014): Mass-specific light absorption coefficients of natural aquatic particles in the near-infrared spectral region. Limnology and Oceanography, 59(5), 1449-1460, https://doi.org/10.4319/lo.2014.59.5.1449 Röttgers, Rüdiger; Gehnke, Steffen (2012): Measurement of light absorption by aquatic particles: improvement of the quantitative filter technique by use of an integrating sphere approach. Applied Optics, 51(9), 1336, https://doi.org/10.1364/AO.51.001336 https://doi.pangaea.de/10.1594/PANGAEA.907593 https://doi.org/10.1594/PANGAEA.907593 CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess absorption Absorption coefficient 350 nm 351 nm 352 nm 353 nm 354 nm 355 nm 356 nm 357 nm 358 nm 359 nm 360 nm 361 nm 362 nm 363 nm 364 nm 365 nm 366 nm 367 nm 368 nm 369 nm 370 nm 371 nm 372 nm 373 nm dataset 2019 ftpangaea https://doi.org/10.1594/PANGAEA.90759310.1594/PANGAEA.90760510.3390/rs1103031810.1364/OE.26.00A67810.4319/lo.2014.59.5.144910.1364/AO.51.001336 2024-08-06T23:37:39Z Absorption coefficients by phytoplankton (aph) were measured on water samples collected from underway AC-S flow-through system outflow and CTD. Measurements were performed using a dual-beam UV/VIS spectrophotometer as described in Liu et al. (2018) and Liu et al. (2019). 1. About sampling: a) underway samples were collected from unfiltered AC-S outflow (depth: 11m); CTD samples with 5-6 depths were collected on upcast. b) vacuum pressure for filtration: maximum 200 hPa c) samples were shock frozen in liquid nitrogen and then stored in -80°C until measurement after cruise. d) blank filters were collected by soaking them in 0.2um filtered seawater. e) replicates were not collected. 2. About measurements: a) Instrument: dual-beam UV/VIS Spectrophotometer (Cary 4000, Varian Inc., Palo Alto, CA, USA) equipped with a 150 mm integrating sphere (external DRA-900, Varian, Inc. and Labsphere Inc., made from Spectralon (TM)). b) wavelength range of scan and resolution: 300-850 nm, 1 nm. c) slit band width: 2 nm. d) scan speed: 150 nm min−1 e) Sample filters were extracted with 95% methanol for the absorption measurement of NAP. f) The baseline of the spectrophotometer was set with a dry piece of a blank filter. Filters were wetted with purified water and measured regularly after every fifth sample filter served as references. 3. About data analysis: a) interpolated wavelength range and resolution: 350-750 nm, 1nm. b) pathlength amplification factor (beta correction factor): 4.5 (Röttgers and Gehnke 2012; Röttgers et al., 2014). c) Null-point scattering correction at 750 nm is applied. Dataset Arctic PANGAEA - Data Publisher for Earth & Environmental Science ENVELOPE(-3.068500,14.254667,80.004833,73.428667) |