Using visible reflectance spectroscopy to reconstruct historical changes in chlorophyll a concentration in East Antarctic ponds
The visible reflectance spectroscopy (VRS) and chlorophyll a concentration were determined in three sediment profiles collected from East Antarctica to investigate the potential application of VRS in reconstructing historical changes in Antarctic lake primary productivity. The results showed that th...
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ftjpolarres:oai:journals.openacademia.net:article/3080 2024-09-09T19:10:10+00:00 Using visible reflectance spectroscopy to reconstruct historical changes in chlorophyll a concentration in East Antarctic ponds Chen, Qianqian Liu, Xiaodong Nie, Yaguang Sun, Liguang 2013-12-27 application/pdf text/html application/epub+zip text/plain https://polarresearch.net/index.php/polar/article/view/3080 https://doi.org/10.3402/polar.v32i0.19932 eng eng Norwegian Polar Institute https://polarresearch.net/index.php/polar/article/view/3080/pdf_1 https://polarresearch.net/index.php/polar/article/view/3080/html https://polarresearch.net/index.php/polar/article/view/3080/epub https://polarresearch.net/index.php/polar/article/view/3080/xml https://polarresearch.net/index.php/polar/article/view/3080 doi:10.3402/polar.v32i0.19932 Polar Research; Vol 32 (2013) 1751-8369 Reflectance spectroscopy ornithogenic sediments chlorophyll a Antarctic ponds primary productivity VRS info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2013 ftjpolarres https://doi.org/10.3402/polar.v32i0.19932 2024-06-20T23:33:17Z The visible reflectance spectroscopy (VRS) and chlorophyll a concentration were determined in three sediment profiles collected from East Antarctica to investigate the potential application of VRS in reconstructing historical changes in Antarctic lake primary productivity. The results showed that the appearance of a trough at 650–700 nm is an important marker for chlorophyll a concentration and can therefore be used to distinguish the sedimentary organic matter source from guano and algae. The measured chlorophyll a content had significant positive correlations with the trough area between 650 and 700 nm, and no distinct trough was found in the sediments with organic matter completely derived from guano. Modelling results showed that the spectra spectrally inferred chlorophyll a content, and the measured data exhibit consistent trends with depth, showing that the dimensionless trough area can serve as an independent proxy for reconstructing historical fluctuations in the primary production of Antarctic ponds. The correlation of phosphorus (P) with measured and inferred chlorophyll a contents in ornithogenic sediments near penguin colonies indicates that the change in primary productivity in the Antarctic ponds investigated was closely related to the amount of guano input from these birds.Keywords: Reflectance spectroscopy; ornithogenic sediments; chlorophyll a; Antarctic ponds; primary productivity; VRS.(Published: 27 December 2013)Citation: Polar Research 2013, 32, 19932, http://dx.doi.org/10.3402/polar.v32i0.19932 Article in Journal/Newspaper Antarc* Antarctic Antarctica East Antarctica Polar Research Polar Research Antarctic The Antarctic East Antarctica Guano ENVELOPE(141.604,141.604,-66.775,-66.775) Polar Research 32 1 19932 |
institution |
Open Polar |
collection |
Polar Research |
op_collection_id |
ftjpolarres |
language |
English |
topic |
Reflectance spectroscopy ornithogenic sediments chlorophyll a Antarctic ponds primary productivity VRS |
spellingShingle |
Reflectance spectroscopy ornithogenic sediments chlorophyll a Antarctic ponds primary productivity VRS Chen, Qianqian Liu, Xiaodong Nie, Yaguang Sun, Liguang Using visible reflectance spectroscopy to reconstruct historical changes in chlorophyll a concentration in East Antarctic ponds |
topic_facet |
Reflectance spectroscopy ornithogenic sediments chlorophyll a Antarctic ponds primary productivity VRS |
description |
The visible reflectance spectroscopy (VRS) and chlorophyll a concentration were determined in three sediment profiles collected from East Antarctica to investigate the potential application of VRS in reconstructing historical changes in Antarctic lake primary productivity. The results showed that the appearance of a trough at 650–700 nm is an important marker for chlorophyll a concentration and can therefore be used to distinguish the sedimentary organic matter source from guano and algae. The measured chlorophyll a content had significant positive correlations with the trough area between 650 and 700 nm, and no distinct trough was found in the sediments with organic matter completely derived from guano. Modelling results showed that the spectra spectrally inferred chlorophyll a content, and the measured data exhibit consistent trends with depth, showing that the dimensionless trough area can serve as an independent proxy for reconstructing historical fluctuations in the primary production of Antarctic ponds. The correlation of phosphorus (P) with measured and inferred chlorophyll a contents in ornithogenic sediments near penguin colonies indicates that the change in primary productivity in the Antarctic ponds investigated was closely related to the amount of guano input from these birds.Keywords: Reflectance spectroscopy; ornithogenic sediments; chlorophyll a; Antarctic ponds; primary productivity; VRS.(Published: 27 December 2013)Citation: Polar Research 2013, 32, 19932, http://dx.doi.org/10.3402/polar.v32i0.19932 |
format |
Article in Journal/Newspaper |
author |
Chen, Qianqian Liu, Xiaodong Nie, Yaguang Sun, Liguang |
author_facet |
Chen, Qianqian Liu, Xiaodong Nie, Yaguang Sun, Liguang |
author_sort |
Chen, Qianqian |
title |
Using visible reflectance spectroscopy to reconstruct historical changes in chlorophyll a concentration in East Antarctic ponds |
title_short |
Using visible reflectance spectroscopy to reconstruct historical changes in chlorophyll a concentration in East Antarctic ponds |
title_full |
Using visible reflectance spectroscopy to reconstruct historical changes in chlorophyll a concentration in East Antarctic ponds |
title_fullStr |
Using visible reflectance spectroscopy to reconstruct historical changes in chlorophyll a concentration in East Antarctic ponds |
title_full_unstemmed |
Using visible reflectance spectroscopy to reconstruct historical changes in chlorophyll a concentration in East Antarctic ponds |
title_sort |
using visible reflectance spectroscopy to reconstruct historical changes in chlorophyll a concentration in east antarctic ponds |
publisher |
Norwegian Polar Institute |
publishDate |
2013 |
url |
https://polarresearch.net/index.php/polar/article/view/3080 https://doi.org/10.3402/polar.v32i0.19932 |
long_lat |
ENVELOPE(141.604,141.604,-66.775,-66.775) |
geographic |
Antarctic The Antarctic East Antarctica Guano |
geographic_facet |
Antarctic The Antarctic East Antarctica Guano |
genre |
Antarc* Antarctic Antarctica East Antarctica Polar Research |
genre_facet |
Antarc* Antarctic Antarctica East Antarctica Polar Research |
op_source |
Polar Research; Vol 32 (2013) 1751-8369 |
op_relation |
https://polarresearch.net/index.php/polar/article/view/3080/pdf_1 https://polarresearch.net/index.php/polar/article/view/3080/html https://polarresearch.net/index.php/polar/article/view/3080/epub https://polarresearch.net/index.php/polar/article/view/3080/xml https://polarresearch.net/index.php/polar/article/view/3080 doi:10.3402/polar.v32i0.19932 |
op_doi |
https://doi.org/10.3402/polar.v32i0.19932 |
container_title |
Polar Research |
container_volume |
32 |
container_issue |
1 |
container_start_page |
19932 |
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1809824721402855424 |