Cosmogenic nuclides are isotopes that are produced in rocks and other materials by interaction with cosmic rays from space. These nuclides can be used in geochronology to determine the age of rocks and landforms, as well as in studies of earth surface processes such as erosion and sediment transport. By measuring the concentrations of cosmogenic nuclides in samples, researchers can gain insights into the rates of surface processes and the history of landscape evolution. This research area has applications in fields such as geology, geomorphology, and archaeology.