Technology for archaeology

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Author:
akatherine
ID:
176509
Filename:
Technology for archaeology
Updated:
2012-10-09 11:51:15
Tags:
technology
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Technology for archaeology
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  1. Aerial LiDAR
    • Poles goes down and bounces back with point data
    • Aerial LiDAR permits us to cover major regions
    • Prospect info
    • Targeting area that have potential
    • Conventional survey can then be done to fill in the gaps
  2. Total data vs. GPS
    • Total data is via line of site
    • GPS: Not a line of site, but must be able to see the sky
    • Multipathing: bouncing off other items, like trees where it could cause error
    • The time when doing GPS work makes a difference
    • Geometry of the satellites: can be timed when there are more satellites in the area
    • Atmospheric data can be influenced
    • PDOC: position,
  3. RTK data
    • GPS for recording elevation
    • Topographic map
  4. GPS fundamentals
    • At least 4 satellites are required to get an accurate location
    • x, y, z and ∆t (change in time)
    • Works by factors of: Distance = velocity x time
  5. RTK GPS
    Real-Time Kinematic GPS
  6. LiDAR modes of use
    • Satellite remote sensing
    • Aerial photography and remote sensing
    • Ground-based geophysics
  7. Landscape archaeology
    studies the way people of the past shaped the land around them, consciously or unconsciously.
  8. Thermal and Mutlispectral imaging
    • Multispectral band combinations that can pick differences up in land cover and change detection
    • Differences in soil texture are revealed by fractional temperature variations. So it is possible to identify loose soil that had been prehistoric agricultural fields, or was covering buried remains

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