Flow cytometry dataset showing the abundance of microorganisms (< 20 µm) in sectioned first year sea ice (FYI) samples taken during the MOSAiC (PS122) drift expedition in the central Arctic Ocean
Müller, Oliver; Fong, Allison A; Olsen, Lasse Mørk; Hoppe, Clara Jule Marie; Torstensson, Anders; Heitman, Laura; Larsen, Aud; Petelenz, Elzbieta; Tsagaraki, Tatiana M; Mayers, Kyle M J; Langvad, Maria; Balmonte, John Paul; Chamberlain, Emelia; Bratbak, Gunnar
Müller, Oliver; Fong, Allison A; Olsen, Lasse Mørk; Hoppe, Clara Jule Marie; Torstensson, Anders; Heitman, Laura; Larsen, Aud; Petelenz, Elzbieta; Tsagaraki, Tatiana M; Mayers, Kyle M J; Langvad, Maria; Balmonte, John Paul; Chamberlain, Emelia; Bratbak, Gunnar (2026): Flow cytometry dataset showing the abundance of microorganisms (< 20 µm) in sectioned first year sea ice (FYI) samples taken during the MOSAiC (PS122) drift expedition in the central Arctic Ocean [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.993743 (DOI registration in progress)

ELEVATION: -4379.5 m
O2A Registry URI https://registry.o2a-data.de/items/5065
CAMPAIGN: PS122/1 (MOSAiC20192020)
BASIS: Polarstern
METHOD/DEVICE: Ice corer (IC)
COMMENT: temp: be1; salo18: s18; CH4: CH4; HAlO: halo; iso: iso; bromo: bromo; CHLA: eco1a; Prod: eco1b; pigs: eco1c; algae: eco1d; Be2: Be2; DIC/TA: DIC; Be3: be3; Tex: tex; DNA1: eco2a; DNA2: eco2b; RNA: eco2c; PLASTic: PLT; REPository: REP; backup: bac; meio1: meio1

ELEVATION: -4407.3 m
O2A Registry URI https://registry.o2a-data.de/items/5065
CAMPAIGN: PS122/1 (MOSAiC20192020)
BASIS: Polarstern
METHOD/DEVICE: Ice corer (IC)
COMMENT: FYI, TEMP: temperature, then Be1, 20191104-PS122-1_6-FYI-T; FYI, CH4; FYI, SALO18, 20191104-PS122-1_6-FYI-SALO18, original FloeNavi record: LAT 85.934141 LONG 120.357904; FYI: HALO; FYI, ECO1B: PROD, 20191104-PS122-1_6-FYI-PROD; FYI, ECO1A: CHLA, 20191104-PS122-1_6-FYI-CHLA; FYI, ECO1D: ALGAE, 20191104-PS122-1_6-FYI-ALGAE; FYI, ECO1C: PIGS, 20191104-PS122-1_6-FYI-PIGS; FYI, ISO; FYI, BROMO; FYI, Texture, 20191104-PS122-1_6-FYI-TEX; FYI: ECO2A: DNA1, 20191104-PS122-1_6-FYI-DNA1; FYI, ECO2B: DNA2, 20191104-PS122-1_6-FYI-DNA2; FYI, ECO2C: RNA, 20191104-PS122-1_6-FYI-RNA; MEIO1, bottom 10 cm only, 20191104-PS122-1_6-FYI-MEIOI; FYI, REPository, 20191104-PS122-1_6-FYI-REP; FYI, backup, 20191104-PS122-1_6-FYI-BAC; FYI, DIC, 20191104-PS122-1_6-DIC; MEIO2, bottom 10 cm only, 20191104-PS122-1_6-FYI-MEIO2, original FloeNavi record: LAT 85.937749 LONG 120.264249; FYI, BE2; FYI, BE3, original FloeNavi record: LAT 85.938242 LONG 120.249547; FYI, MethanOX, 20191104-PS122-1_6-FYI-MethOX, original FloeNavi record: LAT 85.938386 LONG 120.245194; FYI, Gypsum, 20191104-PS122-1_6-FYI-GYP, original FloeNavi record: LAT 85.938405 LONG 120.244597

ELEVATION: -4413.1 m
O2A Registry URI https://registry.o2a-data.de/items/5065
CAMPAIGN: PS122/1 (MOSAiC20192020)
BASIS: Polarstern
METHOD/DEVICE: Ice corer (IC)
COMMENT: T: temperature FYI; ECO1A: CHLA; ECO1B: PROD; FYI; S18: FYI; ECO1D: ALGAE, FYI; ECO1C: PIGS; BY2: FYI; BAC: Backup FYI; ECO2A: DNA1; ECO2B: DNA2, FYI; TEX: FYI; ECO2C: RNA, FYI; DIC: FYI; REP: FYI; MEI01: FYI; MEO2: FYI; MEI03: FYI; METHOX: FYI

COMMENT: Temp: be1; halo: halo; bromo: bromo; ch4: ch4; salo18: salo18; chla: eco1a; iso: iso; prod: eco1b; pigs: eco1c; algae: eco1d; be2: be2; be3: be3; dna1: eco2a; repository pl: rep; dna2: eco2b; rna: eco2c; backup: bac; dic/ta: dic; tex: tex; meio1: meio1; meio2: meio2; meio2: meio1; gy2: gy2; plastic: plastic

COMMENT: temp: be1-fyi; fyi salo18: salo18; fyi-ch4: ch4; fyi-halo18: halo18; fyi-chla: eco1a; fyi-prod: eco1b; fyi-pigs: eco1c; fyi-algae: eco1d; fyi-iso: iso; fyi-bromo: bromo; fyi-tex: tex; fyi-be2: be2; fyi-be3: be3; fyi-dic/ta: dic; fyi-repository: rep; fyi-backup: bac; fyi-plastic: plt; fyi-dna1: eco2a; fyi-dna2: eco2b; fyi-rna: eco2c; fyi-meio1: meio1; fyi-methox: methox

LOCATION: Arctic Ocean
COMMENT: temp: temp; CH4: temp on this core; salo18: salo18; halo the club music: halo, much shorter but with skeleton layer; iso: iso; eco1a: eco1a; eco1b: eco1b; eco1c: prod; bromo: hey; eco1d: algae; tex: tex; dic: hey; rep: rep; backup : backup; eco2a: eco2a; plastic: plastic; eco2b: eco; eco2c: eco2c; meio1: meio1; rho: density; gypsium: gypsium; methox: meth; salo18 syi: syi

LOCATION: Arctic Ocean
COMMENT: ch4: temp on this one; halo: no pic; salo18: salo; iso: iso; bromo: photo; eco1a: eco1a; eco1b: eco1b; eco1c: eç; eco1d: eco1d; tex: tex; rep: 2zip; eco2a: cc; eco2b: e; dic: c; meio: m; eco2c: e; eco1a: lead

LOCATION: Arctic Ocean
COMMENT: temp: temp; ch4: ch4; salo18: salo18; halo: halo; iso: iso; eco1a: eco1a; bromo: bromo; eco1b: eco1b; tex: tex; eco1c: eco1c; dic: dic; bac: backup core; eco1d: eco1d; rep: rep; eco2a: eco2a; eco2b: eco2b; gypsum: gypsum; eco2c: eco2c; meio1: meio1; methox: methox

COMMENT: temp: bagged as ch4; ch4: baggecd ch4; salo18: saal.k

COMMENT: T: ds fyi temp core packed as halo; halo: halo core ds fyi +temp on it; salo18: salo18 core ds fyi; rep: repository core ds fyi; chla eco1a: chla eco1a core at ds fyi; bac: backup core ds fyi; prod eco1b: prod eco1b core ds fyi; pigs eco1c: pigs eco1c core ds fyi; algae eco1d: eco1d core at ds fyi

COMMENT: BROMO: FYI DS; SALO18: FYI DS; ECO1A: FYI DS; ECO1B: FYI DS; DIC: FYI DS; DMSP: FYI DS; CH4: FYI DS

COMMENT: TEX: fyi; PLT: fyi; REP: fyi repository; BAC: fyi backup; DIC: fyi dic; ECO1A: fyi; PP1: fyi pool; PP2: fyipool; PP3: fyipool; DNA3: RNA core fyi

COMMENT: BROMO: FYI DS; DMSP: FYI DS; SALO18: FYI DS; DIC: FYI DS; ECO1A: FYI DS; ECO1B: FYI DS; HALO: FYI DS; ECO1C: FYI DS; REP: FYI DS; TEX: FYI DS; ECO2A: FYI DS; BAC: FYI DS; ECO2B: FYI DS; Be1: FYI DS; ECO2C: FYI DS; Be2: FYI DS; MEIO1: FYI DS; METHOX: FYI DS; PP1: FYI DS; PP2: FYI DS; PP3: FYI DS; OPT: FYI DS; Be3: FYI DS; Be4: FYI DS

COMMENT: BROMO: FYI DS; SALO18: FYI DS; HALO: FYI DS; DIC: FYI DS; ECO1A: FYI DS; Be1: FYI DS; ECO1B: FYI DS; Be2: FYI DS; ECO2A: FYI DS; ECO2B: FYI DS; ECO1C: FYI DS; PP1: FYI DS; PP2: FYI DS; PP3: FYI DS; Be3: FYI DS; ECO2C: FYI DS; MEIO1: FYI DS; Be4: FYI DS

COMMENT: BROMO: FYI DS; SACKHOLE: FYI DS. Two holes, 64 and 68 cm depth; SALO18: FYI DS; DMSP: FYI DS; ECO1A: FYI DS; ECO1B: FYI DS; DIC: FYI DS; ECO1C: FYI DS; HALO: FYI DS; ECO2A: FYI DS; ECO2B: FYI DS; ECO2C: fyi:eco2c; TEX: fyi:tex; REP: fyi:rep; MEIO1: fyi meio; RHO: FYI DS; BAC: FYI DS; PP1: FYI DS; PP2: FYI DS; PP3: FYI DS; PLA: FYI DS; OPT: FYI DS

COMMENT: BROMO: FYI DS; SALO18: FYI DS; DIC: FYI DS; ECO1A: FYI DS; ECO1B: FYI DS; ECO1C: FYI DS; SACKHOLE: FYI DS; HALO: FYI DS; ECO2A: FYI DS; ECO2B: FYI DS; ECO2C: FYI DS; TEX: FYI DS; MEIO1: FYI DS; REP: FYI DS; OPT: FYI DS; BAC: FYI DS; Be1: FYI DS; Be2: FYI DS; Be3: FYI DS; Be4: FYI DS; PP1: FYI DS; PP2: FYI DS; PP3: FYI DS; RNA: FYI DS

COMMENT: "Common ice coring activity at original MOSAiC ice floe FYI 'dark' remote coring site. Floe Navi did not work; manual device operation input."

COMMENT: FYI coring - plot selected 30 m from 29 June 2020 coring plot. Area slightly drained.

COMMENT: FYI ice coring at original floe site. Plot located 5 m from 06 July 2020 coring plot.

COMMENT: FYI ice coring, original floe.

COMMENT: FYI common coring, not on Mondasy, but on Wednesday. FYI coring site on main floe.

COMMENT: Temperature core (TEMP); Salinity core (ALO18); ISO core; CH4 core; DIC1 core; CHLA core (ECO1A); REPository core (REP); DIC2 core; PROD core (ECO1B); PIGS core (ECO1C); TEXture core (TEX); TEX AARI core (TEX AARI); PLasTics core (PLT); OPTics core (OPT); DNA2 core (ECO2B); DNA3 core (ECO2C); GYPSUM core (GYP); DNA1 core (ECO2A); MEIO1 core; MEIO2 core; MEIO3 core ; RNA1 core; NPP core (PP1); RNA2 core; NPP core (PP2); RNA3 core (RNApool); NPP core (PP3); SEDIMENT core (SED); RNA4 core; Manuel core 1 (30 cm bottom); Manuel core 2 (30 cm bottom); Manuel core 3 (30 cm bottom); Manuel core 4 (30 cm bottom); Bob core 1 (5 cm bottom); Bob core 2 (5 cm bottom); Bob core 3 (5 cm bottom); Bob core 4 (5 cm bottom); Bob core 5 (5 cm bottom); Bob core 6 (5 cm bottom); MOSAiC 2.0 floe, common ice coring site, located in CO

COMMENT: Temperature core; DIC1 core (DIC1); Salinity core (SALO18); DIC2 core (DIC2); CH4 core (CH4); ISO core (ISO); Nd x 1 core (BGC); Nd x 2 core (BGC); Nd x 3 core (BGC); Nd x 4; Nd x 5 core (BGC); Nd x 6 core (BGC); Nd x 7 core (BGC); Nd x 8 core (BGC); Nd x 9 core (BGC); Nd x 10 core (BGC); Repository core (REP); Texture core (TEX); CHLA core (ECO1A); PROD core (ECO1B); PIGS core (ECO1C); ALGAE core (ECO1D); MEIO1 core (MEIO1); MEIO2 core (MEIO2); MEIO3 core (MEIO3); NPP core (PP1); NPP core (PP2); NPP core (PP3); GYPSUM core (GYP); Optics core (OPT); RNA4 core (RN4); SEDIMENT core (SED); Plastics core (PLT); TEX AARI core; RNA1 core (RNA1); RNA2 core (RNA2); RNA3 core (RNA3); Ice and ECO and BGC cores

COMMENT: Ice core for temperature; Ice core for salinity; Ice core for ECO1; Ice core for ECO3; Ice core for ECO2; Ice core for ECO4; Coring at the new ice formation site on a new floe; Ice core for ECO5; Ice core for ECO6; Ice core for MEIO; Ice core for texture; Ice core for SIP; Ice core for SIP2