Ground-penetrating radar survey at the pyramid complex of Senwosret III at Dahshur, Egypt, 2008: search for the lost boat of a Pharaoh

Creasman, Pearce Paul; Sassen, Douglas S.; Koepnick, Samuel; Doyle, N

doi:10.1016/j.jas.2009.10.013

Cited by 7 publications

(6 citation statements)

References 24 publications

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“…Four of the five boats, along with the associated sledge, were removed and are currently housed in museums (Cairo Museum CG 4925 and CG 4926 [boats] and CG 4928 [wooden sledge]; Carnegie Museum, Pittsburgh CMNH 1842‐1; and Field Museum, Chicago 31760). Attempts have been made recently to relocate the fifth boat using remote sensing (Creasman et al ., ).…”

Section: Discussionmentioning

confidence: 97%

A Royal Boat Burial and Watercraft Tableau of Egypt's 12th Dynasty (c.1850 BCE) at South Abydos

Wegner

2016

International Journal of Nautical Archaeology

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Excavations at Abydos, Egypt, during 2014–2016 have revealed the remains of a boat burial dating to the reign of Senwosret III (c.1850 BCE). The boat burial occurred inside a specially prepared, subterranean vaulted building. Surviving elements of planking appear to derive from a nearly 20 m‐long boat that was buried intact but later dismantled for reuse of the wood. The vessel may belong to a group of royal funerary boats associated with the nearby tomb of Senwosret III. Incised on to the interior walls of the boat building is an extensive tableau including 120 surviving drawings of pharaonic watercraft. A unique deposit of pottery vessels was found associated with the ceremonial burial of this royal boat.

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Section: Discussionmentioning

confidence: 97%

A Royal Boat Burial and Watercraft Tableau of Egypt's 12th Dynasty (c.1850 BCE) at South Abydos

Wegner

2016

International Journal of Nautical Archaeology

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“…The instantaneous amplitude attribute (also called “reflection strength” or “trace envelope”) has recently been used in archaeology (Creasman et al . ; Khwanmuang and Udphuay ; Zhao et al . ; Urban, Rowan and Kersel ) and is an excellent indicator of variations in physical properties of materials due to impedance contrasts, stratigraphic boundaries and porosity.…”

Section: Gpr and Laser‐scan Acquisition And Processing Methodsmentioning

confidence: 99%

“…Creasman et al . () note that instantaneous amplitude is robust for interpretation because it removes many of the oscillations within a GPR trace. Both the energy and amplitude attributes attempt to decrease the subjectivity of an interpretation (Zhao et al .…”

Section: Gpr and Laser‐scan Acquisition And Processing Methodsmentioning

confidence: 99%

“…The energy attribute, however, may possibly underrepresent the strength of reflectors because the peak amplitudes are not connected via the Hilbert transformation as they are with the instantaneous amplitude attribute, which calculates the amplitude envelope (Zhao et al 2013a). The instantaneous amplitude attribute (also called "reflection strength" or "trace envelope") has recently been used in archaeology (Creasman et al 2010;Khwanmuang and Udphuay 2012;Zhao et al 2013a;Urban, Rowan and Kersel 2014) and is an excellent indicator of variations in physical properties of materials due to impedance contrasts, stratigraphic boundaries and porosity. Creasman et al (2010) note that instantaneous amplitude is robust for interpretation because it removes many of the oscillations within a GPR trace.…”

Section: G P R a N D L A S E R -S C A N A C Q U I S I T I O N A N D Pmentioning

confidence: 99%

“…The instantaneous amplitude attribute (also called "reflection strength" or "trace envelope") has recently been used in archaeology (Creasman et al 2010;Khwanmuang and Udphuay 2012;Zhao et al 2013a;Urban, Rowan and Kersel 2014) and is an excellent indicator of variations in physical properties of materials due to impedance contrasts, stratigraphic boundaries and porosity. Creasman et al (2010) note that instantaneous amplitude is robust for interpretation because it removes many of the oscillations within a GPR trace. Both the energy and amplitude attributes attempt to decrease the subjectivity of an interpretation (Zhao et al 2013a).…”

Section: G P R a N D L A S E R -S C A N A C Q U I S I T I O N A N D Pmentioning

confidence: 99%

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The fate of the historic fortifications at Alcatraz island based on terrestrial laser scans and ground‐penetrating radar interpretations from the recreation yard

Smet

Everett

Warden

et al. 2019

Near Surface Geophysics

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Alcatraz Island National Historic Landmark is best known as a former high‐security federal penitentiary that once housed many of the United States most notorious gangsters. Today, it is a popular tourist destination adjacent to the Golden Gate Bridge in scenic San Francisco Bay. Alcatraz is less known in its former military role as a 19th‐century coastal fortification protecting the interests of a rapidly westward‐expanding nation during the turbulent era of Manifest Destiny, the 1849 Gold Rush and the Civil War. The fortification, with its underground ammunition magazines and tunnels, is important from a military history perspective, marking the transition to earthen structures from the traditional brick and masonry constructions that characterized earlier 19th‐century coastal defences. In this paper, geophysical interpretations based upon an attribute analysis of ground‐penetrating radar data are combined with terrestrial laser scans, georectifications based on historical documents, maps and photographs to develop an iterative model for locating and determining the extent and integrity of subsurface historical architectural remains beneath the former recreation yard of the Alcatraz penitentiary. Using this approach, remnants of buried structures including a ‘bombproof’ earthwork traverse and its underlying vaulted brick masonry tunnel and ventilation ducts were discovered to run east‐west beneath the recreation yard. This integrative and iterative process permits accurate spatial identification of these and other 19th‐century architectural structures depicted in historical documents. This approach can be applied to subsurface investigations at other important cultural landmarks worldwide.

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Texture Attribute Analysis of GPR Data for Archaeological Prospection

Zhao

Forte

Pipan

2016

Pure Appl. Geophys.

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We evaluate the applicability and the effectiveness\ud of texture attribute analysis of 2-D and 3-D GPR datasets obtained\ud in different archaeological environments. Textural attributes are\ud successfully used in seismic stratigraphic studies for hydrocarbon\ud exploration to improve the interpretation of complex subsurface\ud structures. We use a gray-level co-occurrence matrix (GLCM)\ud algorithm to compute second-order statistical measures of textural\ud characteristics, such as contrast, energy, entropy, and homogeneity.\ud Textural attributes provide specific information about the data, and\ud can highlight characteristics as uniformity or complexity, which\ud complement the interpretation of amplitude data and integrate the\ud features extracted from conventional attributes. The results from\ud three archaeological case studies demonstrate that the proposed\ud texture analysis can enhance understanding of GPR data by providing\ud clearer images of distribution, volume, and shape of\ud potential archaeological targets and related stratigraphic units,\ud particularly in combination with the conventional GPR attributes.\ud Such strategy improves the interpretability of GPR data, and can be\ud very helpful for archaeological excavation planning and, more\ud generally, for buried cultural heritage assessment

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Ground-penetrating radar survey at the pyramid complex of Senwosret III at Dahshur, Egypt, 2008: search for the lost boat of a Pharaoh

Cited by 7 publications

References 24 publications

A Royal Boat Burial and Watercraft Tableau of Egypt's 12th Dynasty (c.1850 BCE) at South Abydos

A Royal Boat Burial and Watercraft Tableau of Egypt's 12th Dynasty (c.1850 BCE) at South Abydos

The fate of the historic fortifications at Alcatraz island based on terrestrial laser scans and ground‐penetrating radar interpretations from the recreation yard

Texture Attribute Analysis of GPR Data for Archaeological Prospection

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