Osu dating site
Osu dating site
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Remote sensing, which includes aerial photography and satellite imagery of an area, may accentuate subtle differences in landscape that are outside the spectrum of visible light, thereby suggesting subsurface buildings and features (Figure 8.2).Systematic surface survey (discussed in the next section) reveals the variety of materials present across a region, provides information about what activities may have taken place there over time, and suggests the different cultural components represented.Artifact scatter patterns reflect the location of subsurface structures and are used to guide archaeological excavation.Slight nuances in shadow may point to elevation differences and ancient structures.Computers are now used to detect these subtle differences.More commonly, archaeological sites are buried beneath the surface and may be partially or totally invisible to the eye.
How then do archaeologists even locate sites given such a situation?Archaeologists can examine the pixel shapes and forms of known structures (e.g., temples) on digitized photographs and try to relate these to similar spectral emissions on the photograph of the survey area.Other projects have utilized geophysical prospecting devices to reveal more about the use of the area.Excavating a few centimeters down may reflect the material culture of the 1800s while several meters may uncover artifacts from ancient times.Researchers can use the incomplete material record to reconstruct the cultural history of the place at particular points in time.A dark soil stain on an aerial photograph may indicate the rich organic material of an ancient trash midden.