Schoening, Timm (2017): Results of nodule detection along AUV track SO242/1_107-1_AUV14 (Abyss_200) during SONNE cruise SO242/1 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.880125, In: Schoening, T (2017): Results of nodule detection along AUV tracks during SONNE cruises SO239 and SO242/1 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.883838
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Abstract:
Images were acquired by the DeepSurvey Camera on board GEOMAR's AUV Abyss. Nodules were delineated by the CoMoNoD algorithm [see related to references]. Result files are computed per AUV dive. Nodule detections below 5cm^2 are neglected as are detections above 707cm^2. Abundance statistics are computed per m^2 and gridded per m^2 as well. For overlapping images, max-pooling has been applied to select the values reported in the result files. Pixel values in the rendered maps correspond to the units reported in the ASCI files (median-nodule-size: cm^2, nodule-number: m^-2, percent-coverage: %, sorting, skewness and pixel-contributions are unit-free).
Related to:
Greinert, Jens; Schoening, Timm; Köser, Kevin; Rothenbeck, Marcel (2017): Seafloor images and raw context data along AUV track SO242/1_107-1_AUV14 (Abyss_200) during SONNE cruise SO242/1. PANGAEA, https://doi.org/10.1594/PANGAEA.881887
Schoening, Timm (2017): Source code for the Compact Morphology-based Nodule Delineation (CoMoNoD) algorithm. PANGAEA, https://doi.org/10.1594/PANGAEA.875070
Schoening, Timm; Jones, Daniel O B; Greinert, Jens (2017): Compact-Morphology-based poly-metallic Nodule Delineation. Scientific Reports, 7(1), https://doi.org/10.1038/s41598-017-13335-x
Further details:
Project(s):
JPI Oceans - Ecological Aspects of Deep-Sea Mining (JPIO-MiningImpact)
Coverage:
Median Latitude: -7.056659 * Median Longitude: -88.480576 * South-bound Latitude: -7.077253 * West-bound Longitude: -88.503212 * North-bound Latitude: -7.039070 * East-bound Longitude: -88.456896
Date/Time Start: 2015-08-17T20:53:00 * Date/Time End: 2015-08-18T10:03:00
Minimum Elevation: -4149.7 m * Maximum Elevation: -4098.1 m
Event(s):
SO242/1_107-1 (SO242/1_107-1_AUV 14) * Latitude Start: -7.073250 * Longitude Start: -88.460010 * Latitude End: -7.042730 * Longitude End: -88.507280 * Date/Time Start: 2015-08-17T20:53:00 * Date/Time End: 2015-08-18T10:03:00 * Elevation Start: -4149.7 m * Elevation End: -4098.1 m * Location: DISCOL Experimental Area (DEA) * Campaign: SO242/1 (JPI-OCEANS) * Basis: Sonne_2 * Method/Device: Autonomous underwater vehicle (AUV) * Comment: NW of DEA
Parameter(s):
# | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
---|---|---|---|---|---|---|
1 | LATITUDE | Latitude | Schoening, Timm | Geocode | ||
2 | LONGITUDE | Longitude | Schoening, Timm | Geocode | ||
3 | ELEVATION | Elevation | m a.s.l. | Schoening, Timm | Geocode | |
4 | DEPTH, sediment/rock | Depth sed | m | Schoening, Timm | Geocode | |
5 | Area | Area | m2 | Schoening, Timm | ||
6 | Number of photos | Photo | # | Schoening, Timm | contributing photos | |
7 | Nodules | Nodules | % | Schoening, Timm | seafloor coverage by nodules | |
8 | Nodules | Nodules | # | Schoening, Timm | ||
9 | Nodules, size | Nodules size | cm2 | Schoening, Timm | median nodule size | |
10 | Standard deviation | Std dev | ± | Schoening, Timm | size of nodules | |
11 | Sorting | Sort | Schoening, Timm | |||
12 | Skewness | Skew | Schoening, Timm |
License:
Creative Commons Attribution-NonCommercial 3.0 Unported (CC-BY-NC-3.0)
Size:
2626536 data points
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