ECON 003 Study Guide - Midterm Guide: Digital Elevation Model, Aerial Survey, Google Maps
Document Summary
Features (non-portable archaeological remains that cannot be recovered w/o destroying their context. Spatial clusters of artifacts, ecofacts, and features. Sites are defined in a variety of ways depending on the country. It can be hard to find the end of one ancient community and the start of another. In the us, a site is where 3+ related artifacts are found. Sites are often located in particular environments and if you understand the pattern you can find them. Runs electrical current through the ground with 2 stationary probes in the earth and 2 mobile probes. Needs soil contrasts and hard to discriminate. Measures electromagnetic energy injected into the soil. Measures resistance of the matrix to the electric current. Provides a measure of the ability of a material to be magnetized when a magnetic field is applied. Good at identifying features that have been exposed to heat 200 degrees celsius or higher. Creates a distortion in the magnetic field.
