{"thcode":2,"term":{"code":101,"name":"biological and physical processes","parent":1174,"scope":"All continuing activities, functions, and phenomena associated with organisms and non-living matter."},"uf":[{"name":"bioenergetic processes","usewith":false}],"bt":[{"code":1174,"name":"topics","parent":1,"scope":"Themes, subjects, and concerns for which USGS information resources are relevant."},{"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":63,"name":"atmospheric and climatic processes","parent":101,"scope":"Phenomena affecting or occurring within the mass of gases that surrounds the earth, including its physics, chemistry, dynamics, and weather conditions."},{"code":1799,"name":"coastal processes","parent":101,"scope":"Processes unique to coastal areas including longshore transport, beach erosion, storm surge, shoreline change, delta formation, barrier island migration, beach stabilization by vegetation"},{"code":310,"name":"ecological processes","parent":101,"scope":"Dynamic biogeochemical interactions that occur among and between biotic and abiotic components of the biosphere."},{"code":1800,"name":"estuarine processes","parent":101,"scope":"Processes affecting estuaries including tides, waves, mixing of fluvial and marine waters"},{"code":1702,"name":"evolution","parent":101,"scope":"Change in the genetic composition of populations of living organisms."},{"code":384,"name":"fires","parent":101,"scope":"Combustion, marked by flames or intense heat, in natural settings, often ignited by lightning or human activities.  For fires set as part of natural resource management, use 'controlled fires'."},{"code":435,"name":"geochemical processes","parent":101,"scope":"Processes affecting the amount, distribution, or structure of chemical elements in air, water, soil, rocks, and minerals."},{"code":451,"name":"geologic processes","parent":101,"scope":"All types of processes involving geological structures."},{"code":2295,"name":"hydrocarbon reservoir processes","parent":101,"scope":"Interactions among groundwater, hydrocarbons, and rock properties of subsurface geological formations, affecting the potential of those formations to form, trap, and permit the passage and extraction of hydrocarbons."},{"code":1667,"name":"hydrologic processes","parent":101,"scope":null},{"code":1718,"name":"impact cratering","parent":101,"scope":"Impact of extraterrestrial objects such as asteroids, comets, and meteorites on Earth."},{"code":816,"name":"ocean processes","parent":101,"scope":"Recurrent natural changes that are physical, biological, or chemical, actively affecting the seas and oceans."},{"code":1347,"name":"physiological processes","parent":101,"scope":"Characteristics and processes of individual organisms that are not the direct result of their interaction with other organisms or with the environment."}],"rt":[]}