Download “2012-05 Final Report” 2012-05.pdf – Downloaded 33 times – 2 MB

The Archaeological Survey Technologies, Data Integration, and Applications (ASTDA) Workshop and Seminar introduced new methods for the integration and visualization of noninvasive geophysical and 3D laser scanning survey methods as a tool for historic site
preservation and management. The Workshop and Seminar were hosted at the Longfellow
House – Washington’s Headquarters National Historic Site in Cambridge, MA. The Workshop
was held from August 15-21, 2011 and the Seminar on the 21st of October 2011.

The 6-day Workshop trained participants in the practical application of data capture, processing,
and 3D visualization, combining sub-surface and above-ground imaging for placing the
Longfellow House in context to its broader historic landscape. The main objective of the
workshop was to teach participants specific skills of non-invasive data acquisition and fusion of
sub-surface features, existing archaeological structures, and landscapes. Equally important, the
workshop focused on how to effectively engage these methods in the investigation, planning, and preservation of historic properties.

Results from the workshop produced comprehensive maps of geophysical data including ground penetrating radar, conductivity, magnetic susceptibility, magnetic gradient, and resistance. These were combined with a complete 3D laser scan of the exterior of the Longfellow House – Washington’s Headquarters NHS property in a 3D environment for visualization and analysis. The geophysical surveys revealed a variety of potential archaeological features that have previously been unknown to site managers. A project GIS has been constructed that contains all data and interpretations for the geophysical surveys. This GIS will continue to grow through integration of additional spatial information such as historic maps, modern utility maps, and landscaping maps.

The half-day Seminar targeted three specific groups associated with historic properties:managers, developers, and public outreach groups with the aim to teach them not only the benefit of using these methods, but also how to successfully integrate these methods into their work flow.

Survey results from the Workshop formed the core of the material presented in the Seminar. The survey methods, their results, and integration for 3D visualization and analysis enabled a comprehensive presentation of the process for non-invasive surveys and their use in historic site management. The panel discussion raised points of current work being done with these methods, challenges toward advancement of non-invasive survey data integration and applications, and looked toward future development and implementation of 3D archaeological landscape visualization for site management and preservation.

This workshop was made possible through Grant MT-2210-11-NC-04 from the National Center for Preservation Technology and Training (NCPTT).

Related Resource:

Download “Geophysical and Laser Scan Survey at the Longfellow House - Washington's Headquarters National Historic Site(2012-05a)” 2012-05a.pdf – Downloaded 23 times – 9 MB

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