presenceIce: Presence or absence of sea ice from logbook records of annual...
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presenceIce R Documentation
Presence or absence of sea ice from logbook records of annual cruises
Description
Data containing 52717 observations about presence of sea ice from logbook
records of annual cruises to the B-C-B in an unbroken record between
years 1850 to 1910.
Usage
data(presenceIce)
Format
The dataframe contains the following columns:
- ship.id
The code number for ships.
- move.type
Type of movement of ships. 0 indicates a sail-powered
vessel and 1 indicates an auxiliary-powered vessel.
- year
Year of registry.
- month
Month of registry.
- day
Day of registry.
- lat.dec
Decimal latitude.
- long.dec
Decimal longitude.
- e.w
East or west of the Prime Meridian.
- ice.cov
Sea Ice Observed. 0 no see (Not registered) and 1 presence
sea ice (Registered).
Source
The data were provided from Sea Ice Group at the Geophysical Institute.
References
Mahoney A, Bockstoce J, Botkin D, Eicken H, Nisbet R. 2011. Sea-Ice
Distribution in the Bering and Chukchi Seas: Information from Historical
Whaleships' Logbooks and Journals
ARCTIC. 64(4): 465-477.
Examples
data(presenceIce)
head(presenceIce)
datana documentation built on June 13, 2025, 1:11 a.m.
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| presenceIce | R Documentation |
Presence or absence of sea ice from logbook records of annual cruises
Description
Data containing 52717 observations about presence of sea ice from logbook records of annual cruises to the B-C-B in an unbroken record between years 1850 to 1910.
Usage
data(presenceIce)
Format
The dataframe contains the following columns:
- ship.id
The code number for ships.
- move.type
Type of movement of ships. 0 indicates a sail-powered vessel and 1 indicates an auxiliary-powered vessel.
- year
Year of registry.
- month
Month of registry.
- day
Day of registry.
- lat.dec
Decimal latitude.
- long.dec
Decimal longitude.
- e.w
East or west of the Prime Meridian.
- ice.cov
Sea Ice Observed. 0 no see (Not registered) and 1 presence sea ice (Registered).
Source
The data were provided from Sea Ice Group at the Geophysical Institute.
References
Mahoney A, Bockstoce J, Botkin D, Eicken H, Nisbet R. 2011. Sea-Ice Distribution in the Bering and Chukchi Seas: Information from Historical Whaleships' Logbooks and Journals ARCTIC. 64(4): 465-477.
Examples
data(presenceIce)
head(presenceIce)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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