Bachelor

Fakultät 08
Temporal analysis of saltmarsh scans
Kategorie:
Abschlussarbeit
Status:
abgeschlossen
BetreuerIn:
Extern/e BetreuerIn:
Prof. David Paterson, Benjamin Taylor, University of St Andrews, Scotland
Extern/e AutorIn:
Martin Buchauer
Jahr:
2018
Looking south you can see the salt marsh area next to a famous golf course with St Andrews in the background.
Looking south you can see the salt marsh area next to a famous golf course with St Andrews in the background.


Background

Saltmarsh areas provide numerous services such as natural flood defences, carbon sequestration, agricultural services, and are a valuable coastal habitat for flora, fauna and humans. However, they are not only threatened by the constant rise of sea-levels caused by global warming but also by human settlement in coastal areas. A sensible local coastal development is important as it may help to support the development and progression of stressed saltmarshes.


The Goal

This research aims to visualize and extract vegetation metrics as well as the temporal analysis of 4 saltmarsh datasets which are derived from laserscans. Located at the south and north shore of the Eden Estuary near St. Andrews, Scotland, the scans were acquired in the summer and winter of 2016. Ground based Laser scanning is an ideal method of fully reconstructing vegetation structures as well as having the ability to retrieve meaningful metrics such as height, area, and vegetation density. Although this technology has mainly been applied in the area of forestry, its application to saltmarsh areas has not yet fully explored.


Data:

+ TLS data acquired with a Leica HDS6100 (average of 38390 points/m²)
+ Ground control points (field data)

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