Seasonal change of chlorophyll a under fast ice in Lutzow-Holm Bay, Antarctica
Chlorophyll α concentration in water column under the Antarctic fast ice was measured at five stations (10-675m depths) near Syowa Station (69°00′S, 39°35′E) for the period of 13 months from January 1982 to January 1983. High chlorophyll α concentrations were seen between December and March, while p...
| Main Authors: | , , |
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| Format: | Report |
| Language: | English |
| Published: |
National Institute of Polar Research /National Institute of Polar Research/National Institute of Polar Research
1984
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| Subjects: | |
| Online Access: | https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=1611 http://id.nii.ac.jp/1291/00001611/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=1611&item_no=1&attribute_id=18&file_no=1 |
| Summary: | Chlorophyll α concentration in water column under the Antarctic fast ice was measured at five stations (10-675m depths) near Syowa Station (69°00′S, 39°35′E) for the period of 13 months from January 1982 to January 1983. High chlorophyll α concentrations were seen between December and March, while peaks were observed in late January. Maximum concentration was 11.30mg chl. α/m^3. During four months of the austral summer, a rapid increase of chlorophyll α was observed in late January. This phenomenon seemed to be caused by a slight increase of temperature (>-1.73℃) and a slight decrease of salinity (<34.15). Average chlorophyll α stock in water columns was 1.05-6.72mg/m^3,at least one order of magnitude higher than that reported from the Antarctic open water. |
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