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.sdi.tab
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(point)column type/group | column order | column header | value is mandatory | description | example values |
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spatio-temporal location | 1 | date_time_start | yes | Date and time of measurement in ISO 8601 format notation, using UTC time zone, without fractions of seconds. Or start of time range. | valid: |
2 | date_time_end | no | End of time range of measurement in ISO 8601 format notation, using UTC time zone, without fractions of seconds. | see above | |
3 | elevation [m] | no | Elevation in meter. A negative value means below sea level, while positive value means above sea level. See Pangaea Geocode definition. Note: This is not the height/depth of the measurement (unless it's taken on earth's surface) but the topographical elevation at the lat/lon position. | ||
4 | z_value [m] | no | Vertical position of the measurement, in meter (third spatial dimension). | ||
5 | z_type | yes, ifz_value is given | Pangaea Geocode to describe the type of z_value [m] . | valid: "DEPTH, water" | |
metadata reference | 6 | event_name | yes | Name of event. Reference key for metadata. event_name must match one event name in metadata file (if metadata file is used). | PS1010-1 |
data | <parameter> [<unit>] | no | Arbitrary amount of columns (at least one) with (measurement) data. Each column name has to start with the parameter/phenomenon name followed by a unit in square brackets. Reference key for metadata. | ||
spatio-temporal location | last | geometry | yes | Geometry in WKT notation without third spatial dimension. The reference system needs to be EPSG:4326 and the unit is decimal degrees. Longitude comes first, latitude second. The geometry type can be chosen freely. However, a simple POINT is usually the best choice. |
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Also, please read the JSON specs to know about things like how to escape special characters.
top level keys | second level keys | mandatory | description | example values |
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version | yes | used O2A Spatial GeoCSV specification | "2.0" | |
events | yes | |||
name | yes | event name, serves as metadata reference to data file | "PS01/00001" | |
alias | event alias | |||
expedition | name of expedition the event is part of, references entry in expeditions list | "ANT-I/1" | ||
platform | used platform, references entry in expeditions list | "Polarstern" | ||
device | used device | "Radiosonde (RADIO)" | ||
uri | URI/URL | |||
meta | key-value pairs for custom event metadata (see next table) | |||
parameters | no | |||
name | yes | parameter name (reference key) | "Temperature, air" | |
alias | parameter alias | "TTT" | ||
unit | unit of measurement | "°C" | ||
method | ||||
uri | URI/URL | |||
meta | key-value pairs for custom parameter metadata (see next table) | |||
expeditions | no | |||
name | yes | expedition name (reference key) | "ANT-I/1" | |
alias | expedition alias | "PS01" | ||
uri | URI/URL | "https://doi.org/10.2312/BzP_0014_1983" | ||
meta | key-value pairs for custom metadata (see next table) | |||
platforms | no | |||
name | yes | platform name (reference key) | "Polarstern" | |
alias | platform alias | |||
uri | URI/URL | "https://doi.org/10.17815/jlsrf-3-163" | ||
meta | key-value pairs for custom metadata (see next table) | |||
projects | no | |||
name | yes | project name (reference key) | "Meteorological Long-Term Observations @ AWI" | |
alias | project alias | "AWI_Meteo" | ||
uri | URI/URL | "http://www.awi.de/en/science/long-term-observations.html" | ||
meta | key-value pairs for custom project metadata (see next table) | |||
meta | no | key-value pairs for custom dataset metadata (see next table) |
meta keys | description | example values |
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pi_name | name of principle investigator | "König-Langlo, Gert" |
pi_email | mail of principle investigator | "gert.koenig-langlo[at]awi.de" |
pi_url | homepage of principle investigator | "http://www.awi.de/en/about-us/organisation/staff/gert-koenig-langlo.html" |
pi_orcid | ORCID of principle investigator | "https://orcid.org/0000-0002-6100-4107" |
comment | "Height of tropopause 11650 m" | |
citation | "König-Langlo, Gert (1983): Radiosonde PS01/00001 during POLARSTERN cruise ANT-I/1 on 1982-12-29 11:24h. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.382336, In: König-Langlo, G (1983): Upper air soundings during POLARSTERN cruise ANT-I/1. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.853633" | |
project | references entry in projects list | |
license | "Creative Commons Attribution 3.0 Unported (CC-BY-3.0)" | |
metadata_url | link to metadata | "https://doi.pangaea.de/10.1594/PANGAEA.382336?format=metadata_jsonld" |
data_url | link to data | "https://doi.pangaea.de/10.1594/PANGAEA.382336?format=textfile" |
sop_url | link to SOP information |
Code Block | ||||||
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// Minimal example of a metadata file (.sdi.meta.json), only containing version and one event with an expedition name { "version": "2.0", "events": [ { "name": "foo", "expedition": "bar" } ] } // Less minimal representation of the same metadata. Both versions are valid. { "version": "2.0", "events": [ { "name": "foo", "expedition": "bar" } ], "expeditions: [ { "name": "bar", "alias": "" } ], } |
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