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27 results for “PolarFront”
Seawater velocities measured by autonomous sailbuoy Adcp in the Barents Sea from May to July 2021 on campaign the PolarFront project
<p>This dataset contains ocean currents measured by sailing autonomous surface vehicle <em>Adcp</em>, while on campaign at 70–77N in the Barents Sea for the <a href="https://github.com/akvaplan-niva/polarfront">PolarFront</a> research project, from 16 May to 25 July 2021 (Daase 2021). The <em>Adcp</em> is equipped with a <a href="https://www.aanderaa.com/">Aanderaa</a> DCPS 5400 operating at 600 kHz, mounted in the keel at –0.2 m.</p> <p><strong>Space/time coverage</strong></p> <ul> <li>Time: 2021-05-16T13:45:00Z/2021-07-25T13:15:00Z</li> <li>Space: [20.5,70.0,33.0,76.8] ([W,S,E,N])</li> </ul> <p><strong>Data distributions</strong></p> <p><em>Datalogger (text files)</em></p> <p>The primary distribution consists of 2 datalogger text files retrieved post-mission from sailbuoy internal storage. The files are the original full scale original data records, as captured by the internal sofware of manufacturer <a href="http://www.sailbuoy.no/">Offshore Sensing</a>.</p> <ul> <li>DATA.TXT: Position and sensor metadata</li> <li>DCPS.TXT: Ocean currents</li> </ul> <p><em>GeoJSON</em></p> <p>For increased data interoperability, a <a href="https://www.rfc-editor.org/info/rfc7946"><strong>GeoJSON</strong></a> file is also included, consisting of Point features like the following:</p> <p>{ "geometry": { "coordinates": [30.11165, 76.438894], "type": "Point" }, "properties": { "time": "2021-05-19T22:45:00Z", "TTFF": 11, "Count": 24, "Commands": 0, "TxTries": 1, "ONT": 635, "DiskUsed": 0.783123, "Files": 0, "I": 0.01564, "V": 13.195122, "Temperature": 4.06502, "DCPSStatus": 0, "DCPSOnMin": 10, "DCPSSpeed": 0.329999, "DCPSDirection": 233.233643 }, "type": "Feature" }</p> <p>The GeoJSON file is derived from DATA.TXT and contains the full position and DCPS metadata log in a standard/machine-parsable format, including coordinated universal time following <a href="https://datatracker.ietf.org/doc/html/rfc3339">RFC 3339</a>/<a href="https://www.iso.org/obp/ui#iso:std:iso:8601:-1:ed-1:v1:en">ISO 8601</a>.</p> <p><strong>Data formats and interoperability</strong></p> <p>Both of the datalogger text files are in non-standard vendor formats. The DCPS text format is described in the <a href="https://www.aanderaa.com/media/pdfs/td304-manual-dcps.pdf">vendor manual.</a></p> <p><strong>Related publications</strong></p> <p>For a recent discussion on measuring ocean currents from sailbuoys compared to other platforms, see <a href="https://doi.org/10.3390/s22155553">Wullenweber et al., 2022</a>.</p> <p>See also <a href="https://doi.org/10.1029/2019GL086649">Swart et al.,2020</a>; <a href="https://doi.org/10.3390/s21206752">Camus et al., 2021</a> for further discussion on near-surface data collection with sailbuoys and other autonomous vehicles.</p> <p><strong>References</strong></p> <p>Camus L, Andrade H, Aniceto AS, Aune M, Bandara K, Basedow SL, Christensen KH, Cook J, Daase M, Dunlop K, Falk-Petersen S, Fietzek P, Fonnes G, Ghaffari P, Gramvik G, Graves I, Hayes D, Langeland T, Lura H, Kristiansen T, Nøst OA, Peddie D, Pederick J, Pedersen G, Sperrevik AK, Sørensen K, Tassara L, Tjøstheim S, Tverberg V, Dahle S (2021). Autonomous Surface and Underwater Vehicles as Effective Ecosystem Monitoring and Research Platforms in the Arctic—The Glider Project. Sensors 21(20):6752. <a href="https://doi.org/10.3390/s21206752">https://doi.org/10.3390/s21206752</a></p> <p>Daase M (ed.). (2021). ARCTOS Barents Sea Polar Front May 2021 Cruise Report (1.1.0). Zenodo. <a href="https://doi.org/10.5281/zenodo.7384076">https://doi.org/10.5281/zenodo.7384076</a></p> <p>Edholm J. (2022). Sailbuoy DCPS. Zenodo. <a href="https://doi.org/10.5281/zenodo.6798056">https://doi.org/10.5281/zenodo.6798056</a></p> <p>Swart S, du Plessis MD, Thompson AF, Biddle LC, Giddy I, Linders T, Mohrmann M, Nicholson S (2020). Submesoscale fronts in the Antarctic marginal ice zone and their response to wind forcing. Geophysical Research Letters, 47, e2019GL086649. <a href="https://doi.org/10.1029/2019GL086649">https://doi.org/10.1029/2019GL086649</a></p> <p>Wullenweber N, Hole LR, Ghaffari P, Graves I, Tholo H, Camus L (2022). SailBuoy Ocean Currents: Low-Cost Upper-Layer Ocean Current Measurements. Sensors. 22(15):5553. <a href="https://doi.org/10.3390/s22155553">https://doi.org/10.3390/s22155553</a></p>
Sailbuoy Echo PolarFront EK80 echosounder data [5/5] 2023-09-15 to 2023-09-22
<p>This dataset is part 5/5 of <a href="https://zenodo.org/records/10035460">Sailbuoy Echo PolarFront EK80 echosounder data 2023-08 to 2023-09</a></p>
Sailbuoy Echo PolarFront EK80 echosounder data [4/5] 2023-09-04 to 2023-09-14
<p>This dataset is part 4/5 of <a href="https://zenodo.org/records/10035460">Sailbuoy Echo PolarFront EK80 echosounder data 2023-08 to 2023-09</a></p>
Sailbuoy Echo PolarFront EK80 echosounder data [3/5] 2023-08-27 to 2023-09-03
<p>This dataset is part 3/5 of <a href="https://zenodo.org/records/10035460">Sailbuoy Echo PolarFront EK80 echosounder data 2023-08 to 2023-09</a></p>
Sailbuoy Echo PolarFront EK80 echosounder data [1/5] 2023-08-18 to 2023-08-23
<p>This dataset is part 1/5 of <a href="https://zenodo.org/records/10035460">Sailbuoy Echo PolarFront EK80 echosounder data 2023-08 to 2023-09</a></p>
Sailbuoy Echo PolarFront EK80 echosounder data [2/5] 2023-08-24 to 2023-08-26
<p>This dataset is part 2/5 of <a href="https://zenodo.org/records/10035460">Sailbuoy Echo PolarFront EK80 echosounder data 2023-08 to 2023-09</a></p>
UVP6 from PolarFront seaglider SG644 2023-08-18/2023-08-25
<p>Seaglider SG644 was deployed from 18 to 25 August, 2023 (for details, see the <a href="https://doi.org/10.5281/zenodo.10014336">Cruise Report</a>: https://doi.org/10.5281/zenodo.10014336</p> <p>Sibling datasets from the same deployment:</p> <ul> <li><a href="https://doi.org/10.5281/zenodo.13946034">EK80</a>: https://doi.org/10.5281/zenodo.13946034</li> <li><a href="https://doi.org/10.5281/zenodo.13947021">Physical oceanography</a>: https://doi.org/10.5281/zenodo.13947021</li> </ul>
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