Georadar technology can be used to map and to determine the depth of water tables. Even without rain water, water can be provided for crops, if the roots come into contact with the water table zone. Georadar (GPR, Ground Penetrating Radar) is used as a non-destructive technique for low-depth subsoil investigation, which produces excellent results in terms of soil profile mapping. It consists of an electromagnetic waves unit and a second digital recording system unit. Wave reflection time delays and wave speed in the material containing the antennae, are used to deduce the depth at which the reflector unit (pipe) is located. The georadar generates a subsoil image with high lateral and vertical resolution which not only identifies specific objects, but also characterizes the area.
The depth of penetration and the resolution depend on which type of antenna is used. In high-resolution urban areas shielded antennas are used, because they are better equipped to control noise and air reflections with high-quality imaging and a depth range of up to 10 m.
Estudio G&D uses existing technology in a new context. The innovation is the compact, small-scale technology, which makes it easy to transport. Thus big areas can be analyzed without costly and labor-intensive drillings. Deeper soil and ground water levels can also be detected.
Publicly available: yes
Countries where available: Mexico