Resources

RRS Discovery DY111

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Discovery (74EQ)
Cruise identifierDY111
Cruise period2019-12-02 — 2020-01-09
StatusCompleted
Port of departurePunta Arenas, Chile
Port of returnPunta Arenas, Chile
PurposeResearch
ObjectivesCUSTARD - Carbon Uptake and Seasonal Traits of Antarctic Remineralisation Depth. The CUSTARD project examines how seasonal changes in nutrient availability for phytoplankton, at a key junction of the global ocean circulation, influence how long carbon is trapped in the ocean rather than escaping to the atmosphere as carbon dioxide. DY111 was a process cruise immediately prior to the mooring recovery cruise, to allow a more detailed study of the biogeochemistry of the site at the key spring bloom period.

Objectives
1. Deploy two other gliders (just for the duration of the cruise)
2. Deploy 6 BGC ARGO floats on behalf of the SOCCOM project
3. Make multiple visits to 3 sites along 89 W (OOI, TN at 57S and TS at 60S)
4. Carry out a full depth CTD transect between OOI and TS at 1 degree latitude resolution.

All objectives were met, though one glider had to be recovered immediately after deployment due to a leak. Additionally, a modest spatial survey was carried out collecting underway data and samples along a grid-pattern extending 90km west of 89W, to assess upstream properties and gradients.
Chief scientistAdrian P Martin (National Oceanography Centre, Southampton)
Cruise reportRRS Discovery DY111 cruise report dy111.pdf (6.58 MB) 
Ocean/sea areas 
GeneralSouth East Pacific Ocean (limit 140W)
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 36
Description: Underway surface hydrography, meteorology, bathymetry and navigation
Surface measurements underway (T,S)Quantity: activity duration in days = 36
Description: Salinity from underway
CTD stationsQuantity: number of profiles = 65
Description: CTD frame (CTD, transmissometer, fluorometer, optode, optical backscatter, PAR)
CTD stationsQuantity: number of profiles = 43
Description: Salinity from CTD niskins
Optics (eg underwater light levels)Quantity: number of profiles = 43
Description: vLight absorption from CTD niskins
Current profiler (eg ADCP)Quantity: activity duration in days = 36
Description: VMADCP
Chemical oceanography 
OxygenQuantity: number of profiles = 65
Description: Diss. Oxygen from CTD niskins
Carbon dioxideQuantity: number of profiles = 43
Description: DIC from CTD niskins
Carbon dioxideQuantity: activity duration in days = 36
Description: pCO22 from underway
Carbon dioxideQuantity: activity duration in days = 36
Description: DIC from underway
PhosphateQuantity: number of profiles = 65
Description: Macronutrients (Si(OH)4, NO, PO) from CTD niskins
NitrateQuantity: activity duration in days = 36
Description: Nitrate from underway
NitrateQuantity: number of profiles = 65
Description: Macronutrients (Si(OH)4, NO, PO) from CTD niskins
NitriteQuantity: number of profiles = 65
Description: Macronutrients (Si(OH)4, NO, PO) from CTD niskins
SilicateQuantity: number of profiles = 65
Description: Macronutrients (Si(OH)4, NO, PO) from CTD niskins
AlkalinityQuantity: activity duration in days = 36
Description: TA from underway
AlkalinityQuantity: number of profiles = 43
Description: TA from CTD niskins
IsotopesQuantity: number of experiments = 17
Description: 14C from incubations
IsotopesQuantity: number of experiments = 17
Description: Thorium from SAPS
IsotopesQuantity: number of profiles = 43
Description: 14C from CTD niskins
IsotopesQuantity: number of profiles = 43
Description: Thorium from CTD niskins
Contamination 
Trace metalsQuantity: number of profiles = 22
Description: Diss. And particulate trace metals from CTD niskins
Trace metalsQuantity: number of deployments = 22
Description: TM particulates from SAPS
Other contaminant measurementsQuantity: number of deployments = 22
Description: Microplastics from SAPS
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of deployments = 22
Description: Chl from Marine Snow Catcher
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: activity duration in days = 36
Description: Fast Repetition Rate Fluorimeter (FRRF3)
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of experiments = 17
Description: Chl-a from incubations
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of profiles = 65
Description: CTD frame (CTD, transmissometer, fluorometer, optode, optical backscatter, PAR)
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of profiles = 43
Description: Chl-a from CTD niskins
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of profiles = 43
Description: HPCL pigments from CTD niskins
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: activity duration in days = 36
Description: Chl-a from underway
Particulate organic matter (inc POC, PON)Quantity: number of deployments = 22
Description: TM particulates from SAPS
Particulate organic matter (inc POC, PON)Quantity: number of experiments = 17
Description: BSi, POC from SAPS
Particulate organic matter (inc POC, PON)Quantity: number of experiments = 17
Description: PABS from incubations
Particulate organic matter (inc POC, PON)Quantity: number of experiments = 17
Description: POC from incubations
Particulate organic matter (inc POC, PON)Quantity: number of experiments = 17
Description: Bsi from incubations
Particulate organic matter (inc POC, PON)Quantity: number of profiles = 43
Description: PABS from CTD niskins
Particulate organic matter (inc POC, PON)Quantity: number of profiles = 43
Description: PON from CTD niskins
Particulate organic matter (inc POC, PON)Quantity: number of profiles = 43
Description: POC from CTD niskins
Particulate organic matter (inc POC, PON)Quantity: number of deployments = 25
Description: Red Camera Frame
Particulate organic matter (inc POC, PON)Quantity: number of profiles = 65
Description: Underwater Vision Profiler (UVP) [CTD frame]
Particulate organic matter (inc POC, PON)Quantity: number of profiles = 65
Description: CTD frame (CTD, transmissometer, fluorometer, optode, optical backscatter, PAR)
Particulate organic matter (inc POC, PON)Quantity: number of deployments = 22
Description: PON from Marine Snow Catcher
Particulate organic matter (inc POC, PON)Quantity: number of experiments = 17
Description: PON from incubations
Particulate organic matter (inc POC, PON)Quantity: number of profiles = 43
Description: BSi from CTD niskins
Particulate organic matter (inc POC, PON)Quantity: number of deployments = 22
Description: Calcite from Marine Snow Catcher
Particulate organic matter (inc POC, PON)Quantity: number of deployments = 22
Description: Bsi from Marine Snow Catcher
Particulate organic matter (inc POC, PON)Quantity: number of deployments = 22
Description: POC from Marine Snow Catcher
Dissolved organic matter (inc DOC)Quantity: number of profiles = 43
Description: DOC from CTD niskins
PhytoplanktonQuantity: number of profiles = 43
Description: Phytoplankton biomass, microscopy from CTD niskins
Other biological/fisheries measurementQuantity: number of deployments = 22
Description: Funghi DNA from SAPS
Meteorology 
Upper air observationsQuantity: activity duration in days = 36
Description: Underway surface hydrography, meteorology, bathymetry and navigation
Incident radiationQuantity: activity duration in days = 36
Description: Underway surface hydrography, meteorology, bathymetry and navigation
Moorings, landers, buoys 
Chemical oceanography 
Nitrate54° 0' 0" S  89° 0' 0" W — OOI surface mooring (data goes live to public domain) augmented with NOC nitrate and silicate sensors
Silicate54° 0' 0" S  89° 0' 0" W — OOI surface mooring (data goes live to public domain) augmented with NOC nitrate and silicate sensors
Data held at BODC Get data
Series/Profiles 
66  Bottle station
Reference numbers
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
Vertical spatial coordinates
Total metal concentrations in water bodies
Silicate concentration parameters in the water column
Nitrate concentration parameters in the water column
Quality control flags
Dissolved metal concentrations in the water column
Reference numbers
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
Vertical spatial coordinates
Total metal concentrations in water bodies
Silicate concentration parameters in the water column
Nitrate concentration parameters in the water column
Quality control flags
Dissolved metal concentrations in the water column

BODC idDate/TimeLocationDoc.
20531432019-12-09 15:01 59° 57' 29" S  89° 7' 31" W  View metadata report for BODC series reference number 2053143
20531792019-12-13 14:59 55° 0' 0" S  89° 7' 58" W  View metadata report for BODC series reference number 2053179
20531922019-12-15 07:43 54° 24' 58" S  89° 8' 5" W  View metadata report for BODC series reference number 2053192
20532842019-12-27 20:17 59° 57' 30" S  89° 7' 52" W  View metadata report for BODC series reference number 2053284
21219652020-01-03 18:14 54° 24' 54" S  89° 7' 34" W  View metadata report for BODC series reference number 2121965
22070082019-12-09 15:01 59° 57' 29" S  89° 7' 31" W  View metadata report for BODC series reference number 2207008
22071012019-12-19 15:46 56° 59' 58" S  89° 7' 57" W  View metadata report for BODC series reference number 2207101
22071742020-01-02 20:24 54° 24' 55" S  89° 7' 33" W  View metadata report for BODC series reference number 2207174
20531552019-12-11 11:56 57° 0' 0" S  89° 7' 56" W  View metadata report for BODC series reference number 2053155
20531672019-12-12 21:19 56° 0' 2" S  89° 8' 1" W  View metadata report for BODC series reference number 2053167
20533152020-01-02 20:24 54° 24' 55" S  89° 7' 33" W  View metadata report for BODC series reference number 2053315
21217812019-12-13 19:29 55° 0' 15" S  89° 7' 57" W  View metadata report for BODC series reference number 2121781
21218612019-12-20 19:05 57° 0' 58" S  89° 9' 7" W  View metadata report for BODC series reference number 2121861
21218852019-12-22 17:23 54° 25' 8" S  89° 8' 46" W  View metadata report for BODC series reference number 2121885
21219892020-01-06 10:01:30 55° 14' 5" S  83° 22' 38" W  View metadata report for BODC series reference number 2121989
22070572019-12-14 11:55:30 54° 25' 38" S  89° 6' 22" W  View metadata report for BODC series reference number 2207057
22071252019-12-22 10:47:30 54° 24' 58" S  89° 7' 58" W  View metadata report for BODC series reference number 2207125
22071492019-12-27 20:17 59° 57' 30" S  89° 7' 52" W  View metadata report for BODC series reference number 2207149
22071862020-01-03 15:15:30 54° 24' 53" S  89° 7' 34" W  View metadata report for BODC series reference number 2207186
20532352019-12-18 23:59 58° 0' 1" S  89° 7' 56" W  View metadata report for BODC series reference number 2053235
21217442019-12-09 23:17:30 59° 57' 34" S  89° 7' 43" W  View metadata report for BODC series reference number 2121744
21217562019-12-11 18:38:30 57° 0' 0" S  89° 7' 58" W  View metadata report for BODC series reference number 2121756
21218732019-12-21 07:50 55° 59' 58" S  89° 7' 50" W  View metadata report for BODC series reference number 2121873
22070702019-12-17 11:38 59° 57' 38" S  89° 7' 23" W  View metadata report for BODC series reference number 2207070
20531182019-12-06 16:15 54° 25' 16" S  89° 7' 42" W  View metadata report for BODC series reference number 2053118
20532722019-12-27 12:35:30 59° 57' 26" S  89° 7' 56" W  View metadata report for BODC series reference number 2053272
20532962019-12-29 11:50:30 56° 59' 58" S  89° 7' 58" W  View metadata report for BODC series reference number 2053296
21217192019-12-06 07:05:30 54° 25' 16" S  89° 7' 42" W  View metadata report for BODC series reference number 2121719
21218242019-12-18 12:04:30 59° 0' 0" S  89° 7' 59" W  View metadata report for BODC series reference number 2121824
21218482019-12-19 19:05 56° 59' 59" S  89° 7' 58" W  View metadata report for BODC series reference number 2121848
21219282019-12-30 18:50 59° 58' 4" S  89° 8' 0" W  View metadata report for BODC series reference number 2121928
22070822019-12-18 07:49 59° 0' 0" S  89° 7' 59" W  View metadata report for BODC series reference number 2207082
20532472019-12-19 15:46 56° 59' 58" S  89° 7' 57" W  View metadata report for BODC series reference number 2053247
20532602019-12-22 10:47:30 54° 24' 58" S  89° 7' 58" W  View metadata report for BODC series reference number 2053260
20533032019-12-31 10:27 59° 57' 31" S  89° 7' 58" W  View metadata report for BODC series reference number 2053303
21217202019-12-06 22:35:30 54° 25' 16" S  89° 7' 42" W  View metadata report for BODC series reference number 2121720
21217682019-12-13 02:04:30 56° 0' 29" S  89° 7' 5" W  View metadata report for BODC series reference number 2121768
21218002019-12-15 11:48 54° 24' 58" S  89° 8' 5" W  View metadata report for BODC series reference number 2121800
21218972019-12-27 19:02 59° 59' 10" S  89° 5' 53" W  View metadata report for BODC series reference number 2121897
22070212019-12-11 11:56 57° 0' 0" S  89° 7' 56" W  View metadata report for BODC series reference number 2207021
22071502019-12-29 11:50:30 56° 59' 58" S  89° 7' 58" W  View metadata report for BODC series reference number 2207150
22071622019-12-31 10:27 59° 57' 31" S  89° 7' 58" W  View metadata report for BODC series reference number 2207162
20532592019-12-20 14:45:30 57° 0' 1" S  89° 8' 0" W  View metadata report for BODC series reference number 2053259
21217322019-12-09 04:40:30 59° 57' 51" S  89° 7' 35" W  View metadata report for BODC series reference number 2121732
21218122019-12-17 18:53 59° 57' 37" S  89° 7' 31" W  View metadata report for BODC series reference number 2121812
21219772020-01-04 18:31 57° 0' 7" S  89° 7' 56" W  View metadata report for BODC series reference number 2121977
22070332019-12-12 21:19 56° 0' 2" S  89° 8' 1" W  View metadata report for BODC series reference number 2207033
22070452019-12-13 14:59 55° 0' 0" S  89° 7' 58" W  View metadata report for BODC series reference number 2207045
20531802019-12-14 11:55:30 54° 25' 38" S  89° 6' 22" W  View metadata report for BODC series reference number 2053180
20532232019-12-18 07:49 59° 0' 0" S  89° 7' 59" W  View metadata report for BODC series reference number 2053223
20533272020-01-03 15:15:30 54° 24' 53" S  89° 7' 34" W  View metadata report for BODC series reference number 2053327
21217072019-12-04 04:10:30 52° 39' 10" S  80° 32' 18" W  View metadata report for BODC series reference number 2121707
22070942019-12-18 23:59 58° 0' 1" S  89° 7' 56" W  View metadata report for BODC series reference number 2207094
22071372019-12-27 12:35:30 59° 57' 26" S  89° 7' 56" W  View metadata report for BODC series reference number 2207137
20531312019-12-08 21:04:30 59° 57' 34" S  89° 7' 43" W  View metadata report for BODC series reference number 2053131
20532112019-12-17 11:38 59° 57' 38" S  89° 7' 23" W  View metadata report for BODC series reference number 2053211
21217932019-12-14 19:11:30 54° 25' 0" S  89° 8' 6" W  View metadata report for BODC series reference number 2121793
21218362019-12-19 04:18 58° 0' 54" S  89° 4' 31" W  View metadata report for BODC series reference number 2121836
21219042019-12-28 17:26 57° 59' 55" S  89° 7' 56" W  View metadata report for BODC series reference number 2121904
21219162019-12-29 19:09:30 57° 0' 0" S  89° 7' 56" W  View metadata report for BODC series reference number 2121916
21219412019-12-31 13:25 59° 58' 22" S  89° 7' 32" W  View metadata report for BODC series reference number 2121941
21219532020-01-03 07:02 54° 24' 40" S  89° 7' 41" W  View metadata report for BODC series reference number 2121953
22069822019-12-06 16:15 54° 25' 16" S  89° 7' 42" W  View metadata report for BODC series reference number 2206982
22069942019-12-08 21:04:30 59° 57' 34" S  89° 7' 43" W  View metadata report for BODC series reference number 2206994
22070692019-12-15 07:43 54° 24' 58" S  89° 8' 5" W  View metadata report for BODC series reference number 2207069
22071132019-12-20 14:45:30 57° 0' 1" S  89° 8' 0" W  View metadata report for BODC series reference number 2207113
1  Pumped water sample
Horizontal spatial co-ordinates
Date and time
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
Silicate concentration parameters in the water column
Nitrate concentration parameters in the water column
Horizontal spatial co-ordinates
Date and time
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
Silicate concentration parameters in the water column
Nitrate concentration parameters in the water column

BODC idDate/TimeLocationDoc.
20531062019-12-05 12:04  — 2020-01-05 12:00 59° 59' 7" S  92° 12' 50" W — 54° 12' 46" S  86° 4' 4" W  View metadata report for BODC series reference number 2053106
Discrete samples 
107  All plastic clean surface pumped supply
35  CTD frame plus rosette sampler
141  Sample taken from ship's non-toxic supply
23  Stand-alone pumps
20