Learn R Programming

datana (version 1.0.6)

presenceIce: 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)

Arguments

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).

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

Run this code
data(presenceIce)    
head(presenceIce) 

Run the code above in your browser using DataLab