Data

RV Investigator Ultrafine Aerosol Volatility and Hygroscopicity (VH-TDMA) - Selected Voyages (2016 onwards)

Australian Ocean Data Network
CSIRO O&A, Information & Data Centre (Point of contact) CSIRO Oceans & Atmosphere - Hobart (Associated with) CSIRO/Oceans and Atmosphere (Associated with) Data Officer (AR), Hobart (Processor of) International Laboratory for Air Quality & Health (ILAQH) | Queensland University of Technology (Associated with)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://marlin.csiro.au/geonetwork/srv/eng/catalog.search#/metadata/d12ed96c-5f03-4fe4-b416-1a74bd3d1be3&rft.title=RV Investigator Ultrafine Aerosol Volatility and Hygroscopicity (VH-TDMA) - Selected Voyages (2016 onwards)&rft.identifier=d12ed96c-5f03-4fe4-b416-1a74bd3d1be3&rft.publisher=Australian Ocean Data Network&rft.description=The VHTDMA was constructed at QUT for measurement of ultrafine aerosol volatility and hygroscopicity. It uses electrostatic classifiers to select particles of a particular electrical mobility diameter, conditions them (using a thermodenuder and humidifier) and re-measures the particle diameter. The VH-TDMA is made up of three purpose built electrostatic classifiers and two condensation particle counters (CPCs). One TSI 3010 CPC and one TSI 3787 CPC.The pre-classifier (used to select particles of a particular dry diameter) most commonly cycled between measuring 40, 100 and 150 nm diameter particles during IN2016_v02. For short periods other particle diameters were selected (20, 30, 60,80 nm), to examine features in the ambient size distribution. The thermodenuder was set to 250 °C for the majority of IN2016_v02, with short periods at other temperatures (150°C, 200°C). The relative humidity of the H-SMPS was set to 90% RH for most of the voyage, however it was periodically lowered for size calibration scans and to measure the deliquescence RH for ambient particles. The sample was passed through a nafion drier and inlet RH logged to ensure that dry particle diameter was selected i.e. RH < 30%, the efflouresence RH for common marine salts.Progress Code: onGoingMaintenance and Update Frequency: asNeededStatement: ACQUISITION SOFTWARE: SMPS raw data file (.S80), obtained using Aerosol Instrument Manager (AIM). One SMPS file for the V-SMPS and one for the H-SMPS make up a single VH-TDMA scan. SMPS scans at 3 minute resolution. Humidity, temperature and instrument sheath flow data logged. Format type(s): SMPS raw data (.S80) exported to csv. Log files stored as tab delimited text with 10 sec resolution. DATA PROCESSING: This is raw data, corrections for DMA, size (Kelvin) and shape factor effects as outlined in Gysel et al. (2009), Modini et al. (2010) and Cravigan et al. (2015) and other quality control measures will be applied to SMPS data. This will be undertaken by QUT in 2016. Periods of missing data occur during calibration scans. Pollution events (largely from the ship itself) are included in this data. Pollution flagging using black carbon, particle number concentrations etc. will be undertaken as a part of data processing. This data will provide information of the water uptake, volatility and composition of Aitken and Accumulation mode particles.&rft.creator=Anonymous&rft.date=2016&rft.coverage=westlimit=69; southlimit=-66; eastlimit=186; northlimit=-11; projection=WGS 84 (EPSG:4326)&rft.coverage=westlimit=69; southlimit=-66; eastlimit=186; northlimit=-11; projection=WGS 84 (EPSG:4326)&rft_rights=Attribution 4.0 https://creativecommons.org/licenses/by/4.0/&rft_rights=&rft_rights=Data is made available under a Creative Commons Attribution 4.0 International Licence, please see link. Data is supplied 'as is' without any warranty or guarantee except as required by law to be given to you. The data may not be free of error, comprehensive, current or appropriate for your particular purpose. You accept all risk and responsibility for its use. ATTRIBUTION STATEMENT: The dataset [Insert-dataset-name-here] downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage [Insert-voyage-name-here] by the Marine National Facility. Acknowledgment should be made of QUT and the contact persons in any publication, presentation or report. If a publication makes substantial use of these data, the appropriate QUT research staff member(s) would expect to be informed prior to submitting the paper, and asked to be co-author(s).&rft_subject=oceans&rft_subject=Earth Science | Atmosphere | Atmospheric Chemistry | Trace Gases/Trace Species&rft_subject=Aerosol analyser&rft_subject=In-line aerosol sampling system&rft_subject=Global / Oceans | Southern Ocean&rft_subject=Global / Oceans | Indian Ocean&rft_subject=Regional Seas | Tasman Sea&rft_subject=Regional Seas | Coral Sea&rft_subject=Global / Oceans | Pacific Ocean&rft_subject=Marine National Facility&rft_subject=Ship: Investigator (RV)&rft_subject=Research Voyage: IN2016_V02&rft.type=dataset&rft.language=English Access the data
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Attribution 4.0
https://creativecommons.org/licenses/by/4.0/

Data is made available under a Creative Commons Attribution 4.0 International Licence, please see link. Data is supplied 'as is' without any warranty or guarantee except as required by law to be given to you. The data may not be free of error, comprehensive, current or appropriate for your particular purpose. You accept all risk and responsibility for its use. ATTRIBUTION STATEMENT: The dataset [Insert-dataset-name-here] downloaded on [Insert-DD-Mmm-YYYY-here] was collected on voyage [Insert-voyage-name-here] by the Marine National Facility.

Acknowledgment should be made of QUT and the contact persons in any publication, presentation or report.

If a publication makes substantial use of these data, the appropriate QUT research staff member(s) would expect to be informed prior to submitting the paper, and asked to be co-author(s).

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Full description

The VHTDMA was constructed at QUT for measurement of ultrafine aerosol volatility and hygroscopicity. It uses electrostatic classifiers to select particles of a particular electrical mobility diameter, conditions them (using a thermodenuder and humidifier) and re-measures the particle diameter. The VH-TDMA is made up of three purpose built electrostatic classifiers and two condensation particle counters (CPCs). One TSI 3010 CPC and one TSI 3787 CPC.

The pre-classifier (used to select particles of a particular dry diameter) most commonly cycled between measuring 40, 100 and 150 nm diameter particles during IN2016_v02. For short periods other particle diameters were selected (20, 30, 60,80 nm), to examine features in the ambient size distribution. The thermodenuder was set to 250 °C for the majority of IN2016_v02, with short periods at other temperatures (150°C, 200°C). The relative humidity of the H-SMPS was set to 90% RH for most of the voyage, however it was periodically lowered for size calibration scans and to measure the deliquescence RH for ambient particles. The sample was passed through a nafion drier and inlet RH logged to ensure that dry particle diameter was selected i.e. RH < 30%, the efflouresence RH for common marine salts.

Lineage

Progress Code: onGoing
Maintenance and Update Frequency: asNeeded
Statement: ACQUISITION SOFTWARE: SMPS raw data file (.S80), obtained using Aerosol Instrument Manager (AIM). One SMPS file for the V-SMPS and one for the H-SMPS make up a single VH-TDMA scan. SMPS scans at 3 minute resolution. Humidity, temperature and instrument sheath flow data logged. Format type(s): SMPS raw data (.S80) exported to csv. Log files stored as tab delimited text with 10 sec resolution. DATA PROCESSING: This is raw data, corrections for DMA, size (Kelvin) and shape factor effects as outlined in Gysel et al. (2009), Modini et al. (2010) and Cravigan et al. (2015) and other quality control measures will be applied to SMPS data. This will be undertaken by QUT in 2016. Periods of missing data occur during calibration scans. Pollution events (largely from the ship itself) are included in this data. Pollution flagging using black carbon, particle number concentrations etc. will be undertaken as a part of data processing. This data will provide information of the water uptake, volatility and composition of Aitken and Accumulation mode particles.

Notes

Credit
VH-TDMA data from the sensor onboard RV Investigator, installed and maintained by Queensland University of Technology (QUT) This data was collected on the Marine National Facility (MNF) RV Investigator voyages IN2016 - onwards. The data has been processed by Luke Cravigan (QUT)
Credit
Prof. Zoran Ristovski ([email protected]), Luke Cravigan ([email protected]).

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Spatial Coverage And Location

text: westlimit=69; southlimit=-66; eastlimit=186; northlimit=-11; projection=WGS 84 (EPSG:4326)

Subjects
Aerosol analyser | Earth Science | Atmosphere | Atmospheric Chemistry | Trace Gases/Trace Species | Global / Oceans | Indian Ocean | Global / Oceans | Pacific Ocean | Global / Oceans | Southern Ocean | In-line aerosol sampling system | Marine National Facility | Regional Seas | Coral Sea | Regional Seas | Tasman Sea | Research Voyage: IN2016_V02 | Ship: Investigator (RV) | oceans |

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Other Information
(Download the IN2016_V02 VH-TDMA Data (.csv): in2016_v02_VHTDMA_csv.zip (6.8MB))

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=3766

(RV Investigator Survey Information including voyage plans and summaries)

url : https://www.marine.csiro.au/data/trawler/survey_list.cfm?source_id=309

(Link to the Marine National Facility Webpage)

url : https://mnf.csiro.au/

(Voyage Plan (pdf) in2016_v02)

url : https://mnf.csiro.au/~/media/Files/Voyage-plans-and-summaries/Investigator/Voyage%20Plans%20summaries/2016/IN2016_V02_Voyage%20Plan-FINAL-20160314-optimised.ashx

(IN2016_v02: Processing Notes: in2016_v02_VHTDMA_summary.txt)

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=3767

Identifiers
  • global : d12ed96c-5f03-4fe4-b416-1a74bd3d1be3