{"thcode":2,"term":{"code":700,"name":"maps and atlases","parent":808,"scope":"Representation, usually on a flat surface, of a part or whole of the Earth or other parts of the universe.  Collections of maps linked digitally or bound together in a book are called atlases."},"uf":[{"name":"aeromagnetic maps","usewith":{"code":18,"name":"aeromagnetic surveying","parent":981,"scope":"Mapping of the earth's magnetic field with the use of airborne electronic magnetometers."}},{"name":"atlases","usewith":false},{"name":"basement maps","usewith":{"code":84,"name":"bedrock geologic units","parent":1103,"scope":"Units of consolidated (solid) rock that underlie soils or other unconsolidated materials."}},{"name":"cadastral maps","usewith":{"code":136,"name":"cadastral and legal land descriptions","parent":223,"scope":"Records in official registers showing extent, boundaries, and ownerships of land for administration and taxation."}},{"name":"charts","usewith":false},{"name":"depth-to maps","usewith":{"code":1118,"name":"structure contours","parent":459,"scope":"Gridding and contouring lines drawn on geologic maps to depict boundaries of structural features."}},{"name":"earthquake activity maps","usewith":{"code":299,"name":"earthquake occurrences","parent":304,"scope":"Time, location, severity, and mechanism of earthquake events, including the frequency and history of events in a given area."}},{"name":"earthquake epicenter maps","usewith":{"code":299,"name":"earthquake occurrences","parent":304,"scope":"Time, location, severity, and mechanism of earthquake events, including the frequency and history of events in a given area."}},{"name":"earthquake occurrence maps","usewith":{"code":299,"name":"earthquake occurrences","parent":304,"scope":"Time, location, severity, and mechanism of earthquake events, including the frequency and history of events in a given area."}},{"name":"engineering geology maps","usewith":{"code":337,"name":"engineering geology","parent":339,"scope":"Branch of geology involved in the application of soil and rock mechanics, natural hazards, and other geological studies to the practice of engineering and construction."}},{"name":"geochemical anomaly maps","usewith":{"code":437,"name":"geochemistry","parent":291,"scope":"Study of the distribution of chemical elements and natural compounds on the earth and in the atmosphere and the chemical processes that affect the earth."}},{"name":"geophysical maps","usewith":{"code":470,"name":"geophysics","parent":291,"scope":"Branch of geology studying the physical characteristics and phenomena of the earth and its atmosphere."}},{"name":"geotechnical properties maps","usewith":{"code":337,"name":"engineering geology","parent":339,"scope":"Branch of geology involved in the application of soil and rock mechanics, natural hazards, and other geological studies to the practice of engineering and construction."}},{"name":"gravity anomaly maps","usewith":{"code":501,"name":"gravitational field (earth)","parent":287,"scope":"Region or space around earth's mass which exerts a force that mutually attracts other masses in proportion to the product of the two masses and the distance between them."}},{"name":"ground motion maps","usewith":{"code":299,"name":"earthquake occurrences","parent":304,"scope":"Time, location, severity, and mechanism of earthquake events, including the frequency and history of events in a given area."}},{"name":"hydrologic maps","usewith":{"code":560,"name":"hydrology","parent":291,"scope":"Branch of earth science that deals with water as it occurs in the atmosphere, on the surface of the ground, and underground."}},{"name":"isopach maps","usewith":{"code":2089,"name":"stratigraphic thickness","parent":1103,"scope":"Thickness of earth material layers or groups of such layers, often portrayed as isopachs (contours) or gridded data."}},{"name":"land subsidence maps","usewith":{"code":624,"name":"subsidence","parent":451,"scope":"Settling, compaction, or caving in of land caused by subsurface mining, ground-water withdrawal, or pumping of oil and gas."}},{"name":"land use maps","usewith":false},{"name":"landslide maps","usewith":{"code":639,"name":"landslides","parent":1736,"scope":"Downslope movement of rock, soil, or artificial fill under the influences of gravity."}},{"name":"landslide susceptibility maps","usewith":{"code":637,"name":"landslide susceptibility assessment","parent":997,"scope":"Estimation of the probability of occurrence and likely severity of landslides in a given area."}},{"name":"lithologic maps","usewith":{"code":1005,"name":"rocks and deposits","parent":287,"scope":"Solid masses that make up the earth's crust as well as accumulations of materials. Use for major rock types and unconsolidated deposits. For deposits of economic value, see related terms."}},{"name":"magnetic anomaly maps","usewith":{"code":677,"name":"magnetic field (earth)","parent":287,"scope":"The magnetic region surrounding earth.  It is generated by the dipolar characteristic of earth's core whereby earth itself acts as a great spherical magnet with poles near, but not exactly at, the North and South poles."}},{"name":"maps","usewith":false},{"name":"paleotectonic maps","usewith":{"code":1145,"name":"tectonic processes","parent":451,"scope":"The structural forces affecting the deformation, uplift, and movement of the earth's crust."}},{"name":"rock mechanics maps","usewith":{"code":337,"name":"engineering geology","parent":339,"scope":"Branch of geology involved in the application of soil and rock mechanics, natural hazards, and other geological studies to the practice of engineering and construction."}},{"name":"seismic hazard maps","usewith":{"code":299,"name":"earthquake occurrences","parent":304,"scope":"Time, location, severity, and mechanism of earthquake events, including the frequency and history of events in a given area."}},{"name":"seismic reflection survey maps","usewith":{"code":1045,"name":"seismic reflection methods","parent":1042,"scope":"Geophysical technique to study the subsurface of the earth using sound waves induced by explosives, vibrating devices, or percussive equipment.  The reflections of the sound waves from the boundaries of different rocks are measured."}},{"name":"seismicity maps","usewith":{"code":302,"name":"earthquake probabilities","parent":997,"scope":"That aspect of seismology that deals with the physical conditions or indications that precede an earthquake, in order to predict its probability, size, time, and location."}},{"name":"shaking maps (seismic)","usewith":{"code":299,"name":"earthquake occurrences","parent":304,"scope":"Time, location, severity, and mechanism of earthquake events, including the frequency and history of events in a given area."}},{"name":"slope stability maps","usewith":{"code":637,"name":"landslide susceptibility assessment","parent":997,"scope":"Estimation of the probability of occurrence and likely severity of landslides in a given area."}},{"name":"species distribution maps","usewith":{"code":96,"name":"biogeography","parent":921,"scope":"The study of the geographic distributions of plants and animals."}},{"name":"stratigraphic thickness maps","usewith":{"code":2089,"name":"stratigraphic thickness","parent":1103,"scope":"Thickness of earth material layers or groups of such layers, often portrayed as isopachs (contours) or gridded data."}},{"name":"subsurface maps","usewith":{"code":464,"name":"geology","parent":291,"scope":"Study of the planet earth, its composition, structure, physical and chemical processes, and history since its origin."}},{"name":"surficial geologic maps","usewith":{"code":1127,"name":"surficial geologic units","parent":1103,"scope":"Rock units on the earth's surface."}},{"name":"tectonic maps","usewith":{"code":1145,"name":"tectonic processes","parent":451,"scope":"The structural forces affecting the deformation, uplift, and movement of the earth's crust."}}],"bt":[{"code":808,"name":"product types","parent":1,"scope":"General representation of the information in a resource, such as a map or data set."},{"code":1,"name":"Categories","parent":null,"scope":"Thematic terms for categorizing information resources.  This thesaurus is intended to support finding and understanding scientific information."}],"nt":[{"code":1748,"name":"geologic maps","parent":700,"scope":"Maps depicting geological characteristics of the earth's surface, including lithology, geologic structure, age, and the results of crustal processes. Used where the product includes a depiction of the map as a whole, not for data sets that could be used to create a map."},{"code":1749,"name":"topographic maps","parent":700,"scope":"Maps depicting the elevation and relief of the land surface or depth of a water body (bathymetry) in an area, usually shown using contour lines.  Typically these maps include manmade features and administrative boundaries as well as vegetation and hydrographic features."}],"rt":[{"code":147,"name":"cartography","parent":447,"scope":"The science and art of making maps."}]}