RS15-LC62 Diatom counts and biogenic silica from Moubray Bay, northwest Ross Sea, Antarctica
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| Format: | Dataset Open Access |
| Language: | en |
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PANGAEA
2025
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| _version_ | 1867168240240689152 |
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| author | Gilmer, Greer Riesselman, Christina R Kim, Sunghan |
| author_facet | Gilmer, Greer Riesselman, Christina R Kim, Sunghan |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | A high-resolution record of diatom counts and biogenic silica in sediment core RS15-LC62 collected from Moubray Bay, northwest Ross Sea, Antarctica by Korea Polar Research Institute (KOPRI) expedition ANA05B in 2015. Core is 4.8 m long. Sediment samples were collected from lamination pairs or triplets in the upper ~2.3 m of the core and then as 1 cm thick sediment samples below 2.3 m due to textural differences in the core. Data includes diatom census counts, relative diatom abundance (RDA) of the three most dominant taxa downcore, absolute diatom abundance (ADA), and wt% biogenic silica. Data was used to reconstruct changes in environmental conditions such as sea ice concentration and water column structure over ~500 years during the early Holocene. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_986132 |
| institution | PANGAEA |
| language | en |
| publishDate | 2025 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | RS15-LC62 Diatom counts and biogenic silica from Moubray Bay, northwest Ross Sea, Antarctica Gilmer, Greer Riesselman, Christina R Kim, Sunghan Actinocyclus actinochilus; Actinocyclus curvatulus; ANA05B; Antarctic; Araon; Asteromphalus hookeri; Asteromphalus parvulus; biogenic silica; Biogenic silica; Chaetoceros bulbosus; Chaetoceros criophilus; Chaetoceros dichaeta; Chaetoceros spp.; Chaetoceros spp., resting spores; Chaetoceros spp. vegetative cells; Corethron pennatum; Coscinodiscus spp.; DEPTH, sediment/rock; Diatoms; Diatoms, other; Diatoms abundance, including resting stage, per unit sediment dry mass; Dictyocha speculum; Eucampia antarctica; Eucampia antarctica var. recta; Eucampia spp.; Fields; Fragilariopsis curta; Fragilariopsis cylindrus; Fragilariopsis kerguelensis; Fragilariopsis obliquecostata; Fragilariopsis rhombica; Fragilariopsis ritscheri; Fragilariopsis spp.; Fragilariopsis sublinearis; Fragilariopsis vanheurckii; JPC; Jumbo Piston Core; Light microscope, Olympus, BH-2; Magnification; Navicula spp.; Nitzschia spp.; Odontella weissflogii; Porosira glacialis; Proboscia alata; Proboscia inermis; Proboscia spp.; Proboscia truncata; Pseudo-nitzschia spp.; Rhizosolenia spp.; Ross Sea; RS15-LC62; Sample mass; Sediment; Sediment type; Shionodiscus gracilis; Shionodiscus gracilis var. expectus; Shionodiscus gracilis var. gracilis; Shionodiscus spp.; Silicoflagellate indeterminata; Stellarima microtrias; Thalassionema spp.; Thalassiosira antarctica; Thalassiosira frenguelliopsis; Thalassiosira lentiginosa; Thalassiosira oliverana; Thalassiosira poroseriata; Thalassiosira spp.; Thalassiosira tumida; Total counts; Trichotoxon reinboldii A high-resolution record of diatom counts and biogenic silica in sediment core RS15-LC62 collected from Moubray Bay, northwest Ross Sea, Antarctica by Korea Polar Research Institute (KOPRI) expedition ANA05B in 2015. Core is 4.8 m long. Sediment samples were collected from lamination pairs or triplets in the upper ~2.3 m of the core and then as 1 cm thick sediment samples below 2.3 m due to textural differences in the core. Data includes diatom census counts, relative diatom abundance (RDA) of the three most dominant taxa downcore, absolute diatom abundance (ADA), and wt% biogenic silica. Data was used to reconstruct changes in environmental conditions such as sea ice concentration and water column structure over ~500 years during the early Holocene. |
| title | RS15-LC62 Diatom counts and biogenic silica from Moubray Bay, northwest Ross Sea, Antarctica |
| topic | Actinocyclus actinochilus; Actinocyclus curvatulus; ANA05B; Antarctic; Araon; Asteromphalus hookeri; Asteromphalus parvulus; biogenic silica; Biogenic silica; Chaetoceros bulbosus; Chaetoceros criophilus; Chaetoceros dichaeta; Chaetoceros spp.; Chaetoceros spp., resting spores; Chaetoceros spp. vegetative cells; Corethron pennatum; Coscinodiscus spp.; DEPTH, sediment/rock; Diatoms; Diatoms, other; Diatoms abundance, including resting stage, per unit sediment dry mass; Dictyocha speculum; Eucampia antarctica; Eucampia antarctica var. recta; Eucampia spp.; Fields; Fragilariopsis curta; Fragilariopsis cylindrus; Fragilariopsis kerguelensis; Fragilariopsis obliquecostata; Fragilariopsis rhombica; Fragilariopsis ritscheri; Fragilariopsis spp.; Fragilariopsis sublinearis; Fragilariopsis vanheurckii; JPC; Jumbo Piston Core; Light microscope, Olympus, BH-2; Magnification; Navicula spp.; Nitzschia spp.; Odontella weissflogii; Porosira glacialis; Proboscia alata; Proboscia inermis; Proboscia spp.; Proboscia truncata; Pseudo-nitzschia spp.; Rhizosolenia spp.; Ross Sea; RS15-LC62; Sample mass; Sediment; Sediment type; Shionodiscus gracilis; Shionodiscus gracilis var. expectus; Shionodiscus gracilis var. gracilis; Shionodiscus spp.; Silicoflagellate indeterminata; Stellarima microtrias; Thalassionema spp.; Thalassiosira antarctica; Thalassiosira frenguelliopsis; Thalassiosira lentiginosa; Thalassiosira oliverana; Thalassiosira poroseriata; Thalassiosira spp.; Thalassiosira tumida; Total counts; Trichotoxon reinboldii |
| url | https://doi.org/10.1594/PANGAEA.986132 |