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A needle in the haystack-Looking for the lost Wells tree
Transactions of the Royal Society of South Australia ( IF 0.8 ) Pub Date : 2021-04-19 , DOI: 10.1080/03721426.2021.1915613
Andrew Frost 1 , Mark Lethbridge 1
Affiliation  

ABSTRACT

In 1891, three members of the Elder Scientific Expedition, led by Lawrence Wells O.B.E., undertook two exploratory traverses while the main party was travelling through the Far North West of South Australia. Following the common practice of the day at the southern apex of each traverse, Wells blazed his initials and date on a tree. One of these trees is known, with the westernmost having not been seen again until it was thought to have been found in 2005 when a search party found a tree with a partially healed scar. Wells was an accomplished surveyor and followed the common practice of the times by recording relatively precise latitude readings, but not longitude. While the route the main party took is well documented and well known, this second traverse is unknown. To recreate the route Wells took and provide some probability as to the location of this tree, a more novel approach was required. Specialist spatial software was developed for this study that compares the elevations and distances between sand ridges meticulously recorded by Wells, enabling recreation of his traverse, providing some certainty as to the location of this remote tree.



中文翻译:

大海捞针——寻找失落的威尔斯树

摘要

1891 年,由 Lawrence Wells OBE 率领的三名长者科学探险队成员进行了两次探索性穿越,而主要队伍正在穿越南澳大利亚的远西北地区。按照每天在每条线路南端的惯例,威尔斯在树上烧写了他的姓名首字母和日期。其中一棵树是已知的,最西端的树直到 2005 年被认为是在 2005 年发现一棵疤痕部分愈合的树时才被再次发现。威尔斯是一位多才多艺的测量员,遵循当时的普遍做法,记录相对精确的纬度读数,而不是经度读数。虽然主要政党采取的路线有据可查且众所周知,但第二次穿越是未知的。为了重现 Wells 所走的路线并提供有关这棵树的位置的一些可能性,需要一种更新颖的方法。为这项研究开发了专业空间软件,该软件比较了 Wells 精心记录的沙脊之间的海拔和距离,从而能够重现他的穿越,为这棵偏远树木的位置提供了一些确定性。

更新日期:2021-06-14
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