Model data Variables associated with modeled data Originally from PetDB. Syntax modified to remove underscores. Ratio Variables associated with a ratio Originally from PetDB. Syntax modified to remove underscores. Trace element Variables associated with trace elements Originally from PetDB. Syntax modified to remove underscores. Uranium series Variables associated with uranium series Originally from PetDB. Syntax modified to remove underscores. Volatile Variables associated with volatile chemicals Originally from PetDB. Syntax modified to remove underscores. Radiogenic isotopes Variables associated with radiogenic isotopes Originally from PetDB. Syntax modified to remove underscores. Chemistry Variables associated with chemistry, chemical analysis or processes Originally from CUAHSI HIS GeneralCategoryCV. See http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=GeneralCategoryCV. Speciation ratio Variables associated with a speciation ratio Originally from PetDB. Syntax modified to remove underscores. Climate Variables associated with the climate, weather, or atmospheric processes Originally from CUAHSI HIS GeneralCategoryCV. See http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=GeneralCategoryCV. End-Member Variables associated with end members Originally from PetDB. Syntax modified to remove underscores. Stable isotopes Variables associated with stable isotopes Originally from PetDB. Syntax modified to remove underscores. Biota Variables associated with biological organisms Originally from CUAHSI HIS GeneralCategoryCV. See http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=GeneralCategoryCV. Water quality Variables associated with water quality variables or processes Originally from CUAHSI HIS GeneralCategoryCV. See http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=GeneralCategoryCV. Unknown The VariableType is unknown. Originally from CUAHSI HIS GeneralCategoryCV. See http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=GeneralCategoryCV. Soil Variables associated with soil variables or processes Originally from CUAHSI HIS GeneralCategoryCV. See http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=GeneralCategoryCV. Major oxide or element Variables associated with major oxides or elements Originally from PetDB. Syntax modified to remove underscores. Rock mode Variables associated with a rock mode Originally from PetDB. Syntax modified to remove underscores. Rare earth element Variables associated with rare earth elements Originally from PetDB. Syntax modified to remove underscores. Instrumentation Variables associated with instrumentation and instrument properties such as battery voltages, data logger temperatures, often useful for diagnosis. Originally from CUAHSI HIS GeneralCategoryCV. See http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=GeneralCategoryCV. Geology Variables associated with geology or geological processes Originally from CUAHSI HIS GeneralCategoryCV. See http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=GeneralCategoryCV. Noble gas Variables associated with noble gasses Originally from PetDB. Syntax modified to remove underscores. Hydrology Variables associated with hydrologic variables or processes Originally from CUAHSI HIS GeneralCategoryCV. See http://his.cuahsi.org/mastercvreg/edit_cv11.aspx?tbl=GeneralCategoryCV. ODM2 Variable Type Controlled Vocabulary ODM2 Working Group A vocabulary for describing the type of Variables. VariableTypes provide a way to group Variables into categories for easier querying and filtering. Age Variables associated with age Originally from PetDB. Syntax modified to remove underscores.