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Internet software programs aid in search for Amazonian geoglyphs
Abstract
The Web‐based Google Earth software program recently has incorporated high‐resolution satellite imagery that facilitates the search for landscape expressions of past civilizations that we call geoglyphs. Since 2000, about 40 such geoglyphs have been observed in overflights above recently deforested pastures of southwestern Amazonia in eastern Acre State, Brazil [Ranzi and Aguiar, 2001; Ranzi, 2003; Ranzi and Aguiar, 2004]. These geoglyphs typically are circular or rectangular, on the scale of 100 meters or more, with bordering trenches 1–3 meters deep (Figure l). Carbon‐14 dating of charcoal associated with these geoglyphs indicates ages between 2500 and 1000 years B.P [Latini, 1998; Pärssinen et al., 2003].
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“Legacies of prehistoric influence in Amazonia are visible from aerial surveys and satellite imagery along the southern periphery of the basin, particularly in the Llanos de Moxos of Bolivia (e.g. [1,12-14]), the geoglyph-rich region of Acre, Brazil and northern Bolivia [3,15-18], and the Upper Xingu in Brazil [2,19] (figure 1).”
From Predicting pre-columbian anthropogenic soils in amazonia (2014) · cites this paper as [15]
In the citing paper
“Many archaeological sites are discovered accidentally through deforestation [3,15] or as a result of conversations with local people.”
From Predicting pre-columbian anthropogenic soils in amazonia (2014) · cites this paper as [15]
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Research works printed but not linked: 8
- 10.1029/2006EO260001 · DOI
- Dias Júnior O. F., 1988, Archeological land structures of Acre, Arqueo‐IAB, 1, 14
- Latini R. M.. (1998) Characterization and dating of archeological ceramics from the Amazon basin(in Portuguese) Ph.D. thesis Univ. Fed. Fluminense Niterói Brazil..
- Mann C., 2006, 1491: New Revelations of the Americas Before Columbus
- Pärssinen M., 2003, Geometrically patterned ancient earthworks in the Rio Branco region of Acre, Brazil, Renvall Inst. Publ., Helsinki, 14, 97
- Ranzi A., 2003, Geoglyphs: Cultural heritage of Acre, Renvall Inst. Publ., Helsinki, 14, 135
- Ranzi A., 2001, Registry of geoglyphs of the Amazon region, Brazil, Munda, 42, 87
- Ranzi A., 2004, Geoglyphs of Amazonia—Aerial Perspective
Cited by
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Predicting pre-columbian anthropogenic soils in amazonia
McMichael, C. H., Palace, M. W., Bush, M. B., Braswell, B., Hagen, S., Neves, E. G., Silman, M. R., Tamanaha, E. K., & Czarnecki, C. (2014) · Proceedings of the Royal Society B: Biological Sciences · doi:10.1098/rspb.2013.2475 · Cited by 179
Metadata
- Authors
- Ranzi, A., Feres, R., & Brown, F.
- Venue
- Eos, Transactions American Geophysical Union
- Publisher
- American Geophysical Union (AGU)
- Published
- 2007-05-22
- Volume
- 88
- Issue
- 21
- Pages
- 226-229
- ISSN
- 0096-3941
- 2324-9250
- Cited by
- 20
- References
- 0
- Language
- en
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