Citation:

PANGAEA.969083 (DOI registration in progress)

Name: Diatom frustules of sediment core LV63-41-2
Creator: Aleksandr A Bosin
Published: 2024
License: https://creativecommons.org/licenses/by/4.0/

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Related to:

Gorbarenko, Sergey A; Shi, Xuefa; Malakhova, Galina Y; Bosin, Aleksandr A; Zou, Jianjun; Liu, Yanguang; Chen, Min-Te (2017): Centennial to millennial climate variability in the far northwestern Pacific (off Kamchatka) and its linkage to the East Asian monsoon and North Atlantic from the Last Glacial Maximum to the early Holocene. Climate of the Past, 13(8), 1063-1080, https://doi.org/10.5194/cp-13-1063-2017

Coverage:

Latitude: 51.570000 * Longitude: 160.017000

Minimum DEPTH, sediment/rock: 0.00 m * Maximum DEPTH, sediment/rock: 4.68 m

Event(s):

LV63-41-2 * Latitude: 51.570000 * Longitude: 160.017000 * Elevation: -1924.0 m * Campaign: * Basis: Akademik M.A. Lavrentyev * Method/Device: Gravity corer (GC)

Comment:

One-centimeter slices of sediment sampled at 2-4 cm intervals were analyzed for diatom abundance, species richness, and species identification. Diatom abundance and taxon identification was performed using an Olympus BX-43 light microscope at 1000x. A total of 213 diatom species were found in 175 samples from the studied sediment. More than 300 diatom frustules were identified to the species level to obtain a special statistical distribution of the diatom assemblages. Sediment samples with very few diatom frustules were enriched using a heavy liquid technique to obtain the required statistical number of specimens. Diatom abundance expressed as the number of frustules per 1 g of dry sediment (fr./g); species richness as the number of species per sample (species/sample), and the percentages of each species in the diatom taxa assemblages were calculated.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, sediment/rock	Depth sed	m	Bosin, Aleksandr A		Geocode
2	Diatom frustules	Diatom frust	10⁶ #/g	Bosin, Aleksandr A	Counting

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

203 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Depth sed [m]	2 Diatom frust [10⁶ #/g]
0.00	106.3300
0.02	92.2300
0.04	53.8200
0.06	49.2300
0.08	36.5400
0.12	78.0400
0.14	54.7600
0.16	90.6200
0.18	75.6700
0.22	84.5500
0.24	65.0000
0.26	38.9200
0.28	56.3500
0.32	31.5100
0.34	109.4800
0.36	80.9600
0.38	46.7600
0.42	20.9300
0.44	41.7700
0.46	70.9100
0.48	48.3000
0.52	38.7800
0.54	50.1400
0.56	67.9900
0.58	52.5100
0.62	72.5500
0.64	74.3600
0.66	77.1900
0.68	30.5900
0.72	50.2800
0.74	42.2300
0.76	60.9500
0.78	35.2600
0.82	47.4500
0.84	32.8900
0.86	74.3600
0.88	38.2500
0.92	25.3600
0.94	30.0300
0.96	34.2500
0.98	22.7400
1.02	18.9600
1.04	21.4700
1.06	14.1000
1.08	27.3700
1.10	18.1700
1.14	40.2500
1.16	20.4700
1.18	15.7900
1.22	32.1100
1.24	41.2500
1.26	53.9700
1.28	47.5000
1.32	41.2500
1.34	37.9500
1.36	38.6400
1.38	47.4600
1.42	21.9600
1.44	26.5800
1.46	40.9400
1.48	26.4500
1.52	20.3900
1.54	16.8700
1.56	17.6500
1.58	18.5500
1.62	19.4000
1.64	24.9900
1.66	30.2800
1.68	21.3600
1.72	6.2100
1.74	4.8300
1.76	5.8300
1.78	10.0400
1.82	6.2900
1.84	7.3100
1.86	15.3600
1.88	11.1900
1.92	5.7500
1.94	12.8000
1.96	11.6500
1.98	8.9700
2.02	11.6500
2.04	7.5400
2.06	9.2800
2.08	5.0600
2.10	13.3400
2.12	6.5200
2.14	22.4600
2.16	13.8000
2.18	27.0600
2.22	5.1400
2.24	8.9700
2.26	9.1100
2.28	7.5100
2.30	17.6300
2.32	10.7400
2.34	10.5800
2.36	13.1900
2.38	8.3600
2.40	7.7400
2.42	3.8300
2.44	5.2300
2.46	4.8400
2.48	5.0600
2.52	11.3600
2.54	6.9000
2.56	6.5200
2.58	9.3500
2.62	8.7400
2.64	16.3700
2.66	15.5700
2.68	14.6400
2.70	9.8900
2.72	58.3400
2.74	3.7600
2.76	6.5900
2.78	3.1400
2.80	6.1300
2.82	3.2200
2.84	4.7500
2.86	9.8900
2.88	10.5700
2.90	4.6000
2.92	7.9800
2.94	5.1700
2.96	4.2200
2.98	4.7500
3.00	17.3300
3.02	13.0300
3.04	0.5400
3.06	2.0700
3.08	1.2300
3.10	2.4500
3.12	11.2300
3.14	13.7200
3.16	15.6900
3.18	6.9000
3.20	8.9700
3.22	11.2700
3.24	11.3500
3.26	3.1400
3.28	1.3800
3.30	0.8400
3.32	0.6300
3.36	1.0400
3.38	0.8900
3.42	0.9500
3.44	1.0500
3.48	3.7800
3.52	3.6800
3.54	2.8400
3.56	7.1300
3.58	14.7200
3.60	18.7800
3.62	14.6400
3.64	6.9800
3.66	7.4400
3.68	8.0100
3.70	2.7600
3.72	4.5800
3.74	7.4400
3.76	2.8400
3.78	1.9800
3.80	3.7400
3.82	16.3300
3.84	8.0500
3.88	12.4700
3.90	6.5900
3.92	7.5800
3.94	6.2500
3.96	4.1230
3.96	4.1230
3.98	5.6800
4.00	6.3600
4.02	4.3700
4.04	7.7300
4.06	4.4400
4.08	3.3700
4.10	6.9000
4.12	11.6500
4.14	24.4600
4.16	10.1200
4.18	17.3300
4.20	11.7300
4.22	7.5100
4.24	10.1200
4.26	10.3500
4.28	9.4300
4.30	11.5000
4.32	12.7700
4.34	19.4700
4.36	21.6900
4.38	18.2300
4.40	13.0400
4.44	8.7200
4.48	6.9900
4.52	9.2400
4.55	3.2300
4.60	0.9250
4.62	1.0750
4.64	2.1472
4.66	2.6450
4.68	2.0789