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Archaeol Prospection 12 (2)
Title
The title of the publication or report
Title:
Archaeol Prospection 12 (2)
Series
The series the publication or report is included in
Series:
Archaeological Prospection
Volume
Volume number and part
Volume:
12 (2)
Publication Type
The type of publication - report, monograph, journal article or chapter from a book
Publication Type:
Journal
Editor
The editor of the publication or report
Editor:
Christopher F Gaffney
Lawrence B Conyers
Arnold Aspinall
Publisher
The publisher of the publication or report
Publisher:
John Wiley & Sons Ltd
Year of Publication
The year the book, article or report was published
Year of Publication:
2005
Source
Where the record has come from or which dataset it was orginally included in.
Source:
BIAB (The British & Irish Archaeological Bibliography (BIAB))
Relations
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Relations:
URI:
http://www3.interscience.wiley.com/cgi-bin/jissue/110503331
Created Date
The date the record of the pubication was first entered
Created Date:
28 Oct 2005
Please click on an Article link to go to the Article Details.
Article Title
Access Type
Author / Editor
Page
Start/End
Abstract
The powered parachute as an archaeological aerial reconnaissance vehicle
Tommy Ike Hailey
69 - 78
The need for a cost-effective method of aerial archaeology that could combine the ability to acquire large-scale, low-altitude photographs of archaeological sites with the capacity for surveying large geographical areas led to an evaluation of the powered parachute (PPC), a type of ultralight aircraft, as an archaeological aerial reconnaissance vehicle.
Identification and removal of above-ground spurious signals in GPR archaeological prospecting
Luigia Nuzzo
93 - 103
In the case study presented the problem of contamination by spurious correlated signals caused by above-ground obstacles is analysed for a 35 MHz GPR survey carried out for stratigraphical purposes in the archaeological site of the Roman Ships near Pisa (Italy). The investigation inside the archaeological excavation, when the level was about 5 m below the ground surface, produced a severe surface scattering problem caused by the iron sheet-piling protecting the excavation walls and bordering some of the partly excavated boats. An attempt to interpret the profiles was carried out in a zone where the relatively simple geometry of the metallic enclosure allowed understanding of the possible origin of spurious events, also thanks to the high density of profiles acquired along two orthogonal directions. Migration at the air velocity and geometrical considerations helped the identification of hyperbolic and slightly slanted features as surface scattering phenomena from different sides of the iron sheet-piling. A simple subtraction procedure was successful for the attenuation of some of the spurious reflections. After this partial removal, other spurious signals could be recognized more easily as well as two weak subhorizontal reflections of probable stratigraphical meaning. Subsequently, filtering procedures based on f-k and Radon transform methods were tried to further reduce the spurious signals, thus enhancing the visibility of the interesting reflections.
Experiments with the square array
Arnold Aspinall
M K Saunders
115 - 129
Electrical resistance data were collected in an electrolytic tank, using the main configurations of the square array, in order to assess the behaviour of the system over an insulating sphere and prism. Experiments carried out were: mapping of area responses for targets at a fixed depth and the effect of strike direction and electrode separation on anomaly form; production of pseudosections; investigation of the depth response of the array at different electrode spacings. Field tests were carried out on a selection of sites in the UK in order to examine the findings of the laboratory experiments.
Fluxgate gradiometry and square array resistance survey at Drumlanrig, Dumfries and Galloway, Scotland
R Walker
Christopher F Gaffney
John A Gater
Emma Wood
131 - 136
Report detailing fieldwork on a suspected Roman fort in the grounds of Drumlanrig Castle. Geophysical survey was undertaken in the first instance using a 1.0 m separation fluxgate gradiometer system and the base plan of the fort was confirmed. Additionally a prototype wheeled square array was used to collect earth resistance values in order to investigate further the findings of the magnetic survey. The short report discusses some of the technical issues involved with the wheeled array and identifies technical improvements that have been implemented since the trial.
