Method term list
metadata_element | methodID |
---|---|
requirement_level | required |
definition | identifier for the method used |
format | only alphanumeric characters and dash "-" and underscore "_" allowed |
additional_instructions | must be unique within the dataset | recommended to maintain a consistent set of methodIDs within a team or project |
examples | ANION_T_AN_000 | FRZ_80C | H2Odilutionx2 |
metadata_element | method_Type |
---|---|
requirement_level | required |
definition | the type of method |
format | text | camelCase preferred |
additional_instructions | use recommended vocabulary if possible | include definitions for used terminology in dataDictionary |
examples | analysisMethod | storageMethod | preparationMethod | dataProcessingMethod |
metadata_element | method_Description |
---|---|
requirement_level | required |
definition | method description detailed enough to pass peer review in a scientific publication |
format | text |
additional_instructions | may refer to publication of method including any deviations and modifications applied |
examples | EPA 353.2 Rev 2 | Vials were stored at -80 degC until prepared for analysis | Dissolved organic C was analyzed by the non-purgeable organic C (NPOC) method on a Shimadzu TOC-L analyzer with in-line acidification (phosphoric acid) of samples to volatilize inorganic C |
metadata_element | method_Instrument |
---|---|
requirement_level | required |
definition | instrument specifications: type | model | manufacturer | manufacturing location |
format | text |
additional_instructions | use N/A for methods that did not involve a specific instrument |
examples | WestCo SmartChem 200 Discrete Analyzer | ICP-MS XSERIES 2 - 135 Thermo Scientific - Cambridge - U.K. |
metadata_element | method_Lab |
---|---|
requirement_level | required |
definition | name of the laboratory where the method was performed |
format | text |
additional_instructions | as specific as possible | may be more than one laboratory if appropriate but must be clarified what was done where in that case |
examples | EMSL-PNNL | UC Davis Analytical Lab |
metadata_element | method_LabContact |
---|---|
requirement_level | recommended |
definition | contact details for the laboratory where the method was performed |
format | text |
additional_instructions | include all relevant contact information; website | email address | postal address | phone number| name of contact person |
examples | UC Davis Analytical Lab; University of California Davis; CA-95616-5270; (530) 752-0147; anlab (at) ucdavis.edu |
metadata_element | method_Temp |
---|---|
requirement_level | recommended |
definition | temperature at which method was carried out |
format | text | degrees celsius preferred |
additional_instructions | recommended format is temperature in degrees celsius (e.g. 20C, 2C, -80C), but can also be "ambient", "unknown", "iced", "heated' etc that provides relevant information even if the exact temperature is not known |
examples | 2C | -80C | frozen | room temperature |
metadata_element | method_Light |
---|---|
requirement_level | recommended |
definition | light conditions for the method |
format | text | camelCase preferred |
additional_instructions | report if light conditions are relevant for sample integrity |
examples | ambient light | dark | unknown |
metadata_element | method_Atmosphere |
---|---|
requirement_level | recommended |
definition | atmosphere for the method |
format | text | alphanumerical preferred |
additional_instructions | report if atmosphere is relevant for sample integrity or method specificity |
examples | anoxic | 95to5-N2toH2| vaccuum | He |
metadata_element | method_Moisture |
---|---|
requirement_level | recommended |
definition | moisture conditions of sample exposed to method |
format | text |
additional_instructions | only relevant for solid samples |
examples | dry | field moist | 30 percent water holding capacity | field capacity |
metadata_element | method_Medium |
---|---|
requirement_level | recommended |
definition | medium used for the method |
format | text |
additional_instructions | report for methods involving manipulations of the initial sample medium: extractions| dilutions | nutrient media for incubations. Must include concentrations and specific composition in method description field. |
examples | N/A |
metadata_element | method_Time |
---|---|
requirement_level | recommended |
definition | time span for method |
format | number and unit |
additional_instructions | report if relevant for the method: incubation time | storage time | extraction time etc |
examples | 2 hours | 30 days | 20 minutes |
metadata_element | method_Reference |
---|---|
requirement_level | recommended |
definition | citation or link to published method description |
format | text |
additional_instructions | if possible provide the citation if the method has been published or a link to method description website |
examples | https://www.epa.gov/sites/production/files/2015-08/documents/method_353-2_1993.pdf |
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