Basic Statistics

CSV GeoJSON

To understand this analysis, check the Guide

Layer Id 718 Name Humanitarians in the Antipodes: Voyage to Bass Strait
Description

A visualisation of the investigative tours of British Quakers, James Backhouse and George Washington Walker, who were 'travelling under concern' in the Southern oceans in 1830s.

 Subject Keywords colonialism, religious society of friends, quakers, colonial history, james backhouse, george washington walker, transnational human rights activism
Type Journey Creator Penny Edmonds
Contact penny.edmonds@flinders.edu.au Source Url https://trove.nla.gov.au/work/10371634
Language English Temporal From 1832-09-23
Temporal To 1832-10-20 Created At 2023-10-29 17:23:45
Updated At 2024-03-30 18:27:13 Ghap Url https://tlcmap.org/layers/718
Statistic Value Unit
Total Places
82 -
Area
68259.413953677 km2
Convex Hull
POLYGON((148.0104781 -43.25310792,147.7958065 -43.24606476,147.3523351 -43.06417502,144.6849701 -40.68291812,144.7787042 -40.6265787,147.8737417 -40.01704571,148.0503667 -39.98323395,148.2997374 -40.2753145,148.3964847 -41.43001048,148.0104781 -43.25310792)) -
Density
0.0012012995021558 places/km2
Centroid
POINT(147.5074273829269 -40.90394824853657) -
Bounding Box
POLYGON((144.6849701 -43.25310792,144.6849701 -39.98323395,148.3964847 -39.98323395,148.3964847 -43.25310792,144.6849701 -43.25310792)) -
Most Central Place
They 'put out to sea, but made little progress', stopping by Barren Joey and Twenty-day Islands. -
Most Distant Place from center
Near Cape Pillar the cutter Charlotte 'fell in with the barque Bolina, of London, on her passage from New Zealand'. -
Distribution
  • Average Distance from Centroid: 125.75023090589
  • Average Distance from Centroid / Area of Convex Hull: 0.0018422401193076
 kilometers
Start Date
1830-11-04 -
End Date
1834-01-08 -
Duration
3.18 years
Median Date
1832-10-14 -
Average Date
1832-12-01 -