High‐Resolution Photography for Soil Micromorphology Slide Documentation

Carpentier, Frank; Vandermeulen, Bruno

doi:10.1002/gea.21563

Cited by 10 publications

(11 citation statements)

References 13 publications

(17 reference statements)

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“…On the other hand, these authors highlighted the potential of digital recording of information through high‐resolution images, which should not be viewed as a complement to the research, but rather a substantial part of the data (Gutiérrez‐Rodríguez, Toscano, & Goldberg, ). Taking inspiration from previous literature (Carpentier & Vandermeulen, ; Fisher et al, ; Gutiérrez‐Rodríguez et al, ; Haaland, Czechowski, Carpentier, Lejay, & Vandermeulen, ), we explore in this paper new possibilities of data collection, processing and presentation through combining SfM technologies and high‐resolution scans of the studied thin sections. Initially, the site was included in a global reference system (UTM ETRS89‐29N) using a total station.…”

Section: Methodsmentioning

confidence: 99%

Site formation processes and urban transformations during Late Antiquity from a high‐resolution geoarchaeological perspective:Baelo Claudia, Spain

et al. 2019

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To understand abandonment processes and secondary uses of public buildings is a key‐challenge to recognize the scope of the urban transformations in Roman cities during Late Antiquity. In this sense, administrative and religious public spaces such as the fora underwent a great variety of transformations resulting in the genesis of a complex stratigraphy of anthropogenic and natural deposits. Baelo Claudia is a well‐known Roman city located in the Atlantic coast of southern Spain. Recent excavations in the forum have provided new data that elucidate Late Roman urban transformations. In this study, we use archaeological soil micromorphology, physico‐chemical analyses and geochemistry to investigate site formation processes and to document nontraditional forms of occupation not visible in the macroscopic archaeological record. This methodology allowed for the distinction of several anthropogenic activities such as glass recycling, reflooring practices, plundering of ornamental marbles, middening of organic and penning residues, together with the progressive decay of earth‐based constructions. The complex superposition of site formation processes seen at Baelo Claudia underlines the role of micromorphology in the identification of behavioral signatures and its relevance in deciphering urban transformation in Late Antiquity.

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Section: Methodsmentioning

confidence: 99%

Site formation processes and urban transformations during Late Antiquity from a high‐resolution geoarchaeological perspective:Baelo Claudia, Spain

et al. 2019

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“…To overcome the limited field‐of‐view in microscope‐based visual documentation and to counter the capturing inconsistencies inherent in many photo‐stitching solutions, alternative image‐based documentation techniques capable of documenting entire thin sections in high resolution have been developed. These include the use of commercially available flatbed scanners (Arpin et al, ), medium‐format film scanners (De Keyser, ; Tarquini & Favalli, ) and macro photography solutions using digital single lens reflex (DSLR) cameras mounted with a macro lens (Carpentier & Vandermeulen, ). Whereas many flatbed scanners provide satisfactory results at low magnifications (× <10), only film scanning and macro photography have been reported to provide results comparable in resolution and quality to those of individual microphotographs (×30).…”

Section: Background To Methods and Comparison Parametersmentioning

confidence: 99%

“…Although less commonly used than scanners and microscopes, professional DSLR cameras have been reported as a good alternative for the acquisition of high‐resolution thin section imagery (Carpentier & Vandermeulen, ; VandenBygaart, Protz, & Duke, ). For this paper, we follow the hard‐light configuration presented in Carpentier and Vandermeulen (). The macro photography rig comprises a Nikon D800E DSLR camera (a full‐frame camera without anti‐aliasing filter) equipped with an AF‐S Micro Nikkor 60 mm f/2.8 G ED macro lens; all mounted on a macro photography stand.…”

Section: Image‐based Thin Section Documentation Methodsmentioning

confidence: 99%

“…To overcome the limited field-of-view in microscope-based visual documentation and to counter the capturing inconsistencies inherent in many photo-stitching solutions, alternative image-based documentation techniques capable of documenting entire thin sections in high resolution have been developed. These include the use of commercially available flatbed scanners (Arpin et al, 2002), medium-format film scanners (De Keyser, 1999;Tarquini & Favalli, 2010) and macro photography solutions using digital single lens reflex (DSLR) cameras mounted with a macro lens (Carpentier & Vandermeulen, 2016).…”

Section: Background To Methods and Comparison Parametersmentioning

confidence: 99%

“…While all the equipment has very similar infrastructural needs (PC, screen, and desk), the macro photography rig requires some additional components, depending on the light source configuration (Carpentier & Vandermeulen, 2016).…”

Section: Infrastructural Requirementsmentioning

confidence: 99%

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Documenting archaeological thin sections in high‐resolution: A comparison of methods and discussion of applications

et al. 2018

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Optical thin section observations represent the core empirical basis for most micromorphological interpretations at archaeological sites. These observations, which often vary in size and shape, are usually documented through digital graphic representations such as photomicrographs, scans, or figures. Due to variability in documentation practices, however, visual thin section data can be captured with a range of methods and in many different formats and resolutions. In this paper, we compare and evaluate five common image‐based methods for documenting thin sections in high‐resolution: a flatbed scanner, a film scanner, a macro photography rig, and conventional stereo and light microscopes. Through the comparison results, we demonstrate that advances in digital imaging technology now allow for fast and high‐resolution visual recording of entire thin sections up to at least ×30 magnification. We suggest that adopting a digital micromorphological documentation practice has several advantages. First, a digital thin section may be observed more efficiently and consistently, for example, on a computer screen, and the spatial configuration of large or complex features may be more accurately documented. Second, they allow for the establishment of digital repositories that may promote scientific reproducibility and inter‐laboratory communication, as well as lay the foundations for more consensus‐based educational training of archaeological micromorphology.

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2020

ASA, CSSA, and SSSA Books

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High‐Resolution Photography for Soil Micromorphology Slide Documentation

Cited by 10 publications

References 13 publications

Site formation processes and urban transformations during Late Antiquity from a high‐resolution geoarchaeological perspective:Baelo Claudia, Spain

Site formation processes and urban transformations during Late Antiquity from a high‐resolution geoarchaeological perspective:Baelo Claudia, Spain

Documenting archaeological thin sections in high‐resolution: A comparison of methods and discussion of applications

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