BODC Cruise Metadata Report for RRS Discovery (74E3) cruise D313 (DOGEE SOLAS)
Introduction
This report collates information from the BODC cruise inventory and oceanographic databases. It presents
- Cruise Inventory Information
- A summary of BODC data holdings for the cruise from the
- References - including cruise tracks and cruise reports
Cruise Inventory Information
| Long name | RRS Discovery (74E3) cruise D313 (DOGEE SOLAS) |
|---|---|
| Short name | D313 (DOGEE SOLAS) |
| Objectives and Narrative |
RRS Discovery cruise D313 involved two distinct but inter-related UKSOLAS projects: DOGEE-SOLAS (The UK SOLAS Deep Ocean Gas Exchange Experiment), P.I. Rob Upstill-Goddard, University of Newcastle upon Tyne, and SEASAW (Sea Spray and Whitecaps), P.I. Ian Brooks, University of Leeds. Both projects are primarily concerned with physical exchange processes at the air-sea interface and the determination of gas transfer velocities. Additionally SEASAW aims to quantify sea-salt aerosol source functions. The projects thus have a common overall research goal; parameterization of the air-sea gas and aerosol exchange processes, which is essential for effectively modelling climate. Significantly reducing the associated uncertainties is a central goal of UK SOLAS, of which this cruise was a component. In brief, specific cruise objectives were:
* Determine open ocean gas transfer velocities at high wind speeds through a dual-tracer release (3He & SF6). * Measure underway, total gas tension, dissolved O2, and CO2 to obtain independent air-sea gas exchange estimates. * Record key meteorological variables * Measure air-sea fluxes of CO2, sensible heat, latent heat and momentum using the AUTOFLUX automated sensor array. * Quantify flow distortion biases in the direct flux measurements via the use of established models. * Determine the sea spray source function by direct eddy-covariance, and optical and condensation particle counters. * Investigate production and fate of sea spray aerosols at the sea surface using optical particle and bubble observations. * Study aerosol particle composition to identify sources and interactions between the sea spray and other aerosol and gases. * Record and measure whitecap coverage and wave breaking coincident with the air-sea flux measurements * Quantify acoustically, bubble populations produced by breaking waves. Unfortunately, due to a combination of exceptionally bad weather, downtime due to CTD loss and winch replacement, and major ship systems failure, most of the major cruise objectives were not met at all and some were only partially fulfilled. |
| Ship | RRS Discovery |
| Departure Port | Govan, United Kingdom |
| Departure Date | 2006-11-07 |
| Arrival Port | Govan, United Kingdom |
| Arrival Date | 2006-12-06 |
| Principal Scientist(s) | Robert Upstill-Goddard (Newcastle University School of Marine Science and Technology) |
| Responsible Organisation | Newcastle University School of Marine Science and Technology |
| Associated Project(s) | UK SOLAS |
| IHB Sea Areas Visited | North East Atlantic Ocean (limit 40W) |
| Marsden Squares Visited | 181/182 |
| Work Area Description | NE Atlantic west of Scotland and Scottish Western Isles: 55-57N, 05-12W |
| Unable to lookup cruise bounds at this time | |
| Work Area Bounding Polygon | |
| Southern Limit | unknown |
| Northern Limit | unknown |
| Western Limit | unknown |
| Eastern Limit | unknown |
Cruise Inventory Datasets
| Physical oceanography | |
|---|---|
| Geochemical tracers (eg freons) |
Quantity:
activity duration in days =
3
Description: Underway continuous (every 4 min) measurements of surface (6m) SF6 tracer by electron capture detection gas chromatography |
| Geochemical tracers (eg freons) |
Quantity:
number of stations =
8
Description: Vertical CTD casts (mixed layer, 150-300m): 3He tracer: collected but not analysed (on-shore mass spectrometry) due to failure of cruise objectives |
| Geochemical tracers (eg freons) |
Quantity:
number of stations =
8
Description: Vertical CTD casts (mixed layer, 150-300m): SF6 tracer by electron capture detection gas chromatography |
| Chemical oceanography | |
| Carbon dioxide |
Quantity:
activity duration in days =
20
Description: continuous underway surface pCO2 by gas equilibration/LICOR detection: |
| Carbon dioxide |
Quantity:
activity duration in days =
20
Description: Ship-mounted continuous underway surface pCO2 by gas equilibration/LICOR detection: CASIX system. |
| Carbon dioxide |
Quantity:
number of stations =
6
Description: Vertical CTD casts (mixed layer, 150-300m): discrete pCO2 by gas equilibration/LICOR detection. |
| Carbon dioxide |
Quantity:
activity duration in days =
11
Description: Underway (5m) dissolved O2, dissolved CO2, total gas tension, temperature and salinity. |
| Other dissolved gases |
Quantity:
activity duration in days =
11
Description: Underway (5m) dissolved O2, dissolved CO2, total gas tension, temperature and salinity. |
| Oxygen |
Quantity:
activity duration in days =
11
Description: Underway (5m) dissolved O2, dissolved CO2, total gas tension, temperature and salinity. |
Cruise Inventory Mooring/Buoy Operations
| Latitude | Longitude | Data type | Description |
|---|---|---|---|
| 55° 18' N | 5° 24' W | Instrumented wave measurements | NOC Spar buoy: wave wire and acoustic bubble data. Recovered, redeployed and recovered. |
| 55° 18' N | 5° 24' W | Instrumented wave measurements | NOC Spar buoy: wave wire and acoustic bubble data. Recovered, redeployed and recovered. |
| 56° 49' N | 6° 0' W | Instrumented wave measurements | NOC Spar buoy: wave wire and acoustic bubble data. Recovered. |
| 56° 48' N | 5° 15' W | Instrumented wave measurements | NOC Spar buoy: wave wire and acoustic bubble data. Recovered. |
| 56° 25' N | 11° 15' W | Neutrally buoyant floats | Neutrally buoyant float for oxygen, nitrogen, salinity and temperature measurements for use in air-sea flux calculations. Lost during cruise; recovered post-cruise |
| 56° 25' N | 11° 15' W | Other dissolved gases | Neutrally buoyant float for oxygen, nitrogen, salinity and temperature measurements for use in air-sea flux calculations. Lost during cruise; recovered post-cruise |
| 55° 21' N | 5° 22' W | Other meteorological measurements | Tethered Meteorological buoy: aerosol probes and near-surface bubble imaging. Recovered. |
| 56° 46' N | 5° 13' W | Other meteorological measurements | Tethered Meteorological buoy: aerosol probes and near-surface bubble imaging. Recovered. |
| 56° 44' N | 5° 13' W | Other meteorological measurements | Tethered Meteorological buoy: aerosol probes and near-surface bubble imaging. Recovered; damaged by ship hull |
| 55° 18' N | 5° 24' W | Other physical oceanographic measurements | NOC Spar buoy: wave wire and acoustic bubble data. Recovered, redeployed and recovered. |
| 55° 18' N | 5° 24' W | Other physical oceanographic measurements | NOC Spar buoy: wave wire and acoustic bubble data. Recovered, redeployed and recovered. |
| 56° 49' N | 6° 0' W | Other physical oceanographic measurements | NOC Spar buoy: wave wire and acoustic bubble data. Recovered. |
| 56° 48' N | 5° 15' W | Other physical oceanographic measurements | NOC Spar buoy: wave wire and acoustic bubble data. Recovered. |
| 55° 21' N | 5° 22' W | Other physical oceanographic measurements | Tethered Meteorological buoy: aerosol probes and near-surface bubble imaging. Recovered. |
| 56° 46' N | 5° 13' W | Other physical oceanographic measurements | Tethered Meteorological buoy: aerosol probes and near-surface bubble imaging. Recovered. |
| 56° 44' N | 5° 13' W | Other physical oceanographic measurements | Tethered Meteorological buoy: aerosol probes and near-surface bubble imaging. Recovered; damaged by ship hull |
| 56° 25' N | 11° 15' W | Oxygen | Neutrally buoyant float for oxygen, nitrogen, salinity and temperature measurements for use in air-sea flux calculations. Lost during cruise; recovered post-cruise |
| 56° 44' N | 11° 18' W | Subsurface temperature measurements | Surface Argos/RF drifter/drogue/thermistor chain: position location for gaseous tracer patch. Lost during cruise; not recovered. |
| 56° 44' N | 11° 18' W | Surface drifters/drifting buoys | Surface Argos/RF drifter with drogue: position location for gaseous tracer patch. Lost during cruise;not recovered |
| 56° 44' N | 11° 18' W | Surface drifters/drifting buoys | Surface Argos/RF drifter/drogue/thermistor chain: position location for gaseous tracer patch. Lost during cruise; not recovered. |
Summary of BODC Data Holdings for the Cruise
National Oceanographic Database
Summary
| # Series | Instrument Description | Parameters |
|---|---|---|
| 1 | Meteorological data logger |
Air pressure Air temperature Atmospheric humidity Date and time Horizontal spatial co-ordinates Raw light meter output Reference numbers Solar Radiation Visible waveband radiance and irradiance measurements in the atmosphere Wind strength and direction |
| 1 | Pumped air sample |
Data are currently being processed |
| 1 | Single-beam echosounder |
Bathymetry and Elevation Date and time Horizontal platform movement Horizontal spatial co-ordinates Platform or instrument orientation Reference numbers |
| 1 | Surface water sample (pumped) |
Chlorophyll pigment concentrations in water bodies Date and time Density of the water column Electrical conductivity of the water column Horizontal spatial co-ordinates Metadata parameters Raw fluorometer output Raw suspended particulate material concentration sensor output Reference numbers Salinity of the water column Temperature of the water column Transmittance and attenuance of the water column |
Note: Parameter terms are taken from the BODC Parameter Discovery Vocabulary XML (SKOS)
Full List
| BODC Reference | Instrument Description | Date/Time | Location | |
|---|---|---|---|---|
| 1028885 | Pumped air sample | 2006-11-16 11:04Z to 2006-12-02 01:25Z | 55° 14' N to 58° 36' N; 12° 2' W to 5° 4' W | Click for more |
| 2102304 | Single-beam echosounder | 2006-11-07 15:43Z to 2006-12-05 11:36Z | 55° 13' N to 58° 36' N; 13° 36' W to 4° 21' W | Click for more |
| 2102316 | Meteorological data logger | 2006-11-07 15:43Z to 2006-12-05 11:36Z | 55° 13' N to 58° 36' N; 13° 36' W to 4° 21' W | Click for more |
| 2102328 | Surface water sample (pumped) | 2006-11-07 15:43Z to 2006-12-05 11:36Z | 55° 13' N to 58° 36' N; 13° 36' W to 4° 21' W | Click for more |
Project Database
| # Events | Gear Type | Parameters Held |
|---|---|---|
| 9 | CTD frame plus rosette sampler |
Transmittance and attenuance of the water column
Salinity of the water column Dissolved oxygen parameters in the water column Optical backscatter Temperature of the water column Visible waveband radiance and irradiance measurements in the water column Density of the water column Chlorophyll pigment concentrations in water bodies |
Note: Parameter terms are taken from the BODC Parameter Discovery Vocabulary XML (SKOS)
