Basic Statistics

CSV GeoJSON

To understand this analysis, check the Guide

Layer Id 2267 Name 1828 Steenboom expedition, route of the Iris
Description

This map shows the voyage of the Iris under Captain Bastiaanse

 Type Journey
Warning

This project uses historic names for places, some of which may now be offensive. Map points are approximate and do not indicate the exact anchorages of the vessel. Voyage layers may not include all anchorages and may include some places sighted but not visited. Journey lines follow the shortest route between anchorages and do not indicate the exact path of the vessel.

 Creator Claire Brennan
Publisher James Cook University Contact claire.brennan@jcu.edu.au
License CC BY-NC Created At 2024-12-04 10:11:29
Updated At 2024-12-04 10:11:42 Ghap Url https://tlcmap.org/layers/2267
Statistic Value Unit
Total Places
18 -
Area
421011.53565 km2
Convex Hull
POLYGON((138.7838 -7.3294,120.4474 -6.1152,119.9399 -5.5504,128.2192 -3.6453,134.067 -3.874,136.1218 -4.6243,136.7866 -4.8698,138.7838 -7.3294)) -
Density
4.2754172928326E-5 places/km2
Centroid
POINT(131.82673333333332 -4.767483333333333) -
Bounding Box
POLYGON((119.9399 -7.3294,119.9399 -3.6453,138.7838 -3.6453,138.7838 -7.3294,119.9399 -7.3294)) -
Most Central Place
Bastiaanse (Iris) -
Most Distant Place from center
Bastiaanse (Iris) -
Distribution
  • Average Distance from Centroid: 485.74409605113
  • Average Distance from Centroid / Area of Convex Hull: 0.0011537548378602
 kilometers
Start Date
1828-03-18 -
End Date
1828-09-04 -
Duration
0.46 years
Median Date
1828-06-04 -
Average Date
1828-06-02 -