Data

Polarstern PS117 expedition Remotely Operated Vehicle (ROV) under-ice observations

Australian Ocean Data Network
Meiners, K.M. ; MEINERS, KLAUS MARTIN
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This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/).

Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4408_Remotely_Operated_Vehicle_Data when using these data.
http://creativecommons.org/licenses/by/4.0/).

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This metadata record is publicly available.

These data are publicly available for download from the provided URL.

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Brief description

During RV Polarstern voyage PS117, under-ice observations were conducted with an instrumented Remotely Operated Vehicle (ROV) deployed directly from the ship. Collected time-stamped datastreams from the instrumented ROV include: ROV navigation data (heading, pitch, roll, position from an acoustic transponder system), under-ice video footage from the ROV camera and additional upward-looking video cameras, data from an upward-looking acoustic altimeter with integrated depth sensor (to measure the distance of the ROV to the sea-ice subsurface), under-ice hyperspectral irradiance and radiance data from two upward-looking radiometers, and time-stamped up-ward looking digital stills images to detect and quantify the abundance of herbivores at the ice-water interface.

Methods for data collection are broadly consistent with methods described in detail in the referenced publication.

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Progress Code: completed
Statement: No major problems were encountered during data collection and analysis.

Notes

Purpose
Detailed observations of under-ice habitat characteristics in different sea-ice regimes of the Weddell Sea pack-ice zone through concomitant measurements of an ice algal biomass proxy (hyperspectral optical data) and imagery to determine ice-water interface herbivore abundance.

Data time period: 2019-01-01 to 2019-01-31

5,-64 5,-71 -60,-71 -60,-64 5,-64

-27.5,-67.5

text: westlimit=-60; southlimit=-71; eastlimit=5; northlimit=-64

text: uplimit=0; downlimit=0

text: uplimit=20; downlimit=0

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