Assessing the preservation potential of temperate, lowland alluvial sediments using airborne lidar intensity

Keith Challis, Christopher Carey, Mark Kincey, Andy Howard

Research output: Contribution to journalArticle

Abstract

Archaeological applications of airborne lidar topographic data are now well established and documented. However, less well explored by archaeologists and palaeoenvironmentalists are the potential applications of lidar intensity data. Here we explore this potential to remotely determine the differential preservation potential of valley floor sediments, within a temperate, lowland environment, especially where preserved within palaeochannels. We compare airborne lidar intensity data with simultaneously collected terrestrial records of sediment organic content, moisture and stratigraphy. Results suggest that while a correlation exists between lidar intensity values and sediment properties, it is neither linear nor robustly predictable. Nevertheless it is suggested that examination of lidar intensity data serve a useful purpose when assessing valley floor alluvial sediments.
Original languageEnglish
Pages (from-to)301-311
Number of pages11
JournalJournal of Archaeological Science
Volume38
Issue number2
DOIs
Publication statusPublished - 1 Feb 2011

Bibliographical note

© 2010 Elsevier Ltd.

Keywords

  • Floodplain
  • Alluvium
  • Geoarchaeology
  • Palaeochannels
  • Lidar intensity

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