(Table 1) Results of measurements of production characteristics of phytoplankton and some physical parameters of the environment in the northeastern Norwegian Sea in July 1995
Fuente:
PANGAEA
Saved in:
| Main Authors: | , |
|---|---|
| Format: | Dataset Open Access |
| Language: | en |
| Published: |
PANGAEA
1997
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1867169036620529664 |
|---|---|
| author | Vedernikov, Vladimir I Demidov, A B |
| author_facet | Vedernikov, Vladimir I Demidov, A B |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | From July 4 to 18,1995 surface chlorophyll a concentrations (C_cs) and integral primary production (C_ps) were studied in the northeastern part of the Norwegian Sea (73°42'N; 13°16'E), over a test area where an accident of the nuclear submarine Komsomolets had taken place. It was found that during this interval C_cs decreased by factor of about 3.3 (from 0.78 to 0.24 mg/m**3); average chlorophyll concentration within the photo-synthetic layer (C_cl) decreased by factor of about 3.5 (from 0.97 to 0.28 mg/m**3). The value of C_ps in the water column varied slightly (from 445 to 539 mg C/m**2 per day), since decrease in C_cl was compensated both by 1.5-fold growth of the photosynthetic layer thickness (from 40 to 60 m) and by 2.1-fold increase in its average assimilation number (from 0.58 to 1.20 mg C/mg chl a per hour). Monthly averages of C_ps were obtained from published data on seasonal C_cs changes and on the level of incident solar irradiation. They were found to be less than 100 mg C/m**2 per day in March and October and 100-500 mg C/m**2 per day in April-June. Annual primary production calculated from above values was equal to 105 g C/m**2. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_760106 |
| institution | PANGAEA |
| language | en |
| publishDate | 1997 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | (Table 1) Results of measurements of production characteristics of phytoplankton and some physical parameters of the environment in the northeastern Norwegian Sea in July 1995 Vedernikov, Vladimir I Demidov, A B 14C in-situ incubation; Akademik Mstislav Keldysh; AMK36; AMK36-3484; AMK36-3492; AMK36-3504; AMK36-3553; AMK36-3561; Archive of Ocean Data; ARCOD; Assimilation rate of carbon per chlorophyll a; Calculated; Chlorophyll a; CTD, Neil Brown; Date/Time of event; Depth of Secchi Disk; Depth of the euphotic zone; Event label; Latitude of event; Longitude of event; MULT; Multiple investigations; Norwegian Sea; Photosynthesis layer, thickness; Primary production of carbon; Primary production of carbon per area, daily; Salinity; Secchi disc; Spectrophotometry; Temperature, water; Transmissometer From July 4 to 18,1995 surface chlorophyll a concentrations (C_cs) and integral primary production (C_ps) were studied in the northeastern part of the Norwegian Sea (73°42'N; 13°16'E), over a test area where an accident of the nuclear submarine Komsomolets had taken place. It was found that during this interval C_cs decreased by factor of about 3.3 (from 0.78 to 0.24 mg/m**3); average chlorophyll concentration within the photo-synthetic layer (C_cl) decreased by factor of about 3.5 (from 0.97 to 0.28 mg/m**3). The value of C_ps in the water column varied slightly (from 445 to 539 mg C/m**2 per day), since decrease in C_cl was compensated both by 1.5-fold growth of the photosynthetic layer thickness (from 40 to 60 m) and by 2.1-fold increase in its average assimilation number (from 0.58 to 1.20 mg C/mg chl a per hour). Monthly averages of C_ps were obtained from published data on seasonal C_cs changes and on the level of incident solar irradiation. They were found to be less than 100 mg C/m**2 per day in March and October and 100-500 mg C/m**2 per day in April-June. Annual primary production calculated from above values was equal to 105 g C/m**2. |
| title | (Table 1) Results of measurements of production characteristics of phytoplankton and some physical parameters of the environment in the northeastern Norwegian Sea in July 1995 |
| topic | 14C in-situ incubation; Akademik Mstislav Keldysh; AMK36; AMK36-3484; AMK36-3492; AMK36-3504; AMK36-3553; AMK36-3561; Archive of Ocean Data; ARCOD; Assimilation rate of carbon per chlorophyll a; Calculated; Chlorophyll a; CTD, Neil Brown; Date/Time of event; Depth of Secchi Disk; Depth of the euphotic zone; Event label; Latitude of event; Longitude of event; MULT; Multiple investigations; Norwegian Sea; Photosynthesis layer, thickness; Primary production of carbon; Primary production of carbon per area, daily; Salinity; Secchi disc; Spectrophotometry; Temperature, water; Transmissometer |
| url | https://doi.org/10.1594/PANGAEA.760106 |