<descriptor thcode="61"><thesaurus thcode="61" name="Marine Realms Information Bank (MRIB) keywords" scope="Theme keywords from the former Marine Realms Information Bank, focusing on characteristics of coasts and oceans, processes acting on them, and human concerns about them." creator="U.S. Geological Survey" rights="Public domain" date="2016-09-07" codetype="number" prefix="mrib" tblname="mrib" nonpref="mribnp" relterm="mribrt" root_code="1" contact="aallwardt"><category><term thcode="25" code="27" name="types" parent="26" scope="Terms are types of things rather than named instances"/><term thcode="25" code="16" name="hierarchical" parent="11" scope="Substantive broader-narrower relationships exist among the terms."/><term thcode="25" code="13" name="transitive" parent="12" scope="Narrower terms have an &quot;is a&quot; relationship with their broader terms, and generally can be described as part-of, type-of, or instance-of the broader term."/><term thcode="25" code="5" name="theme" parent="2" scope="Terms indicate domains of human concern, such as scientific discipline, societal problems, or characteristics of earth, space, oceans, and living things."/><term thcode="25" code="21" name="disciplines" parent="2" scope="Broad categories of human inquiry or activity, such as scientific disciplines."/><term thcode="25" code="20" name="methods" parent="2" scope="Actions taken to obtain or analyze information"/><term thcode="25" code="27" name="types" parent="26" scope="Terms are types of things rather than named instances"/><term thcode="25" code="16" name="hierarchical" parent="11" scope="Substantive broader-narrower relationships exist among the terms."/><term thcode="25" code="13" name="transitive" parent="12" scope="Narrower terms have an &quot;is a&quot; relationship with their broader terms, and generally can be described as part-of, type-of, or instance-of the broader term."/><term thcode="25" code="5" name="theme" parent="2" scope="Terms indicate domains of human concern, such as scientific discipline, societal problems, or characteristics of earth, space, oceans, and living things."/><term thcode="25" code="21" name="disciplines" parent="2" scope="Broad categories of human inquiry or activity, such as scientific disciplines."/><term thcode="25" code="20" name="methods" parent="2" scope="Actions taken to obtain or analyze information"/></category><altlabel><altlabel>MRIB keywords</altlabel><altlabel>MRIB keywords</altlabel><altlabel>Marine Realms Information Bank keywords</altlabel><altlabel>Marine Realms Information Bank keywords</altlabel></altlabel></thesaurus><term thcode="61" code="639" name="discipline" parent="1"/><bt><term thcode="61" code="1" name="Marine Realms Information Bank (MRIB) keyword categories"/></bt><nt><term thcode="61" code="640" name="anthropology" parent="639" scope="the study of humans, past and present; used for both physical anthropology and cultural anthropology."/><term thcode="61" code="642" name="art" parent="639" scope="used for the visual arts in the context of scientific endeavor."/><term thcode="61" code="644" name="astronomy" parent="639" scope="the study of celestial objects; the application of physical science to study the nature and evolution of the universe."/><term thcode="61" code="645" name="atmospheric sciences" parent="639" scope="the study of the composition, structure, dynamics, and evolution of the atmosphere; includes meteorology, climatology, and related disciplines."/><term thcode="61" code="651" name="biology" parent="639" scope="the study of living organisms."/><term thcode="61" code="679" name="chemistry" parent="639" scope="the study of the composition, structure, and properties of matter."/><term thcode="61" code="682" name="computer science" parent="639" scope="used here for the development of computer applications applied to scientific problems."/><term thcode="61" code="683" name="economics" parent="639" scope="used primarily for economic studies as they relate to scientific and environmental issues."/><term thcode="61" code="684" name="education" parent="639" scope="used primarily for education about scientific and environmental issues."/><term thcode="61" code="686" name="engineering" parent="639" scope="the application of scientific and mathematical principles to design or develop structures or processes."/><term thcode="61" code="695" name="geochemistry" parent="639" scope="the study of the chemical composition and genesis of earth materials."/><term thcode="61" code="701" name="geochronology" parent="639" scope="the science of determining the absolute ages of earth materials"/><term thcode="61" code="702" name="geography" parent="639" scope="the study of physical and cultural features on the Earth's surface."/><term thcode="61" code="711" name="geology" parent="639" scope="the study of the Earth's structure, composition, past and present processes, and history."/><term thcode="61" code="734" name="geophysics" parent="639" scope="physics applied to the study of the Earth."/><term thcode="61" code="741" name="history" parent="639" scope="the study of the past, particularly in relation to humans."/><term thcode="61" code="745" name="hydrology" parent="639" scope="the study of the distribution, movement, and quality of natural waters."/><term thcode="61" code="746" name="information science" parent="639" scope="the collection, classification, storage, and retrieval of information resources."/><term thcode="61" code="747" name="mathematics" parent="639" scope="the study of numbers and their properties and relations."/><term thcode="61" code="748" name="museum studies" parent="639" scope="the management and curation of museum collections."/><term thcode="61" code="749" name="oceanography" parent="639" scope="the study of the oceans."/><term thcode="61" code="755" name="physics" parent="639" scope="studies of the nature and properties of matter and energy."/><term thcode="61" code="761" name="planetary sciences" parent="639" scope="includes the application of physics, chemistry, atmospheric sciences, and geological sciences to planets and other objects within the solar system."/><term thcode="61" code="762" name="sociology" parent="639" scope="the study of the origins, development, and character of social behavior and institutions."/></nt></descriptor>