1. https://terra-vocabulary.org/ncl
  2. FAIR-Incubator
  3. earthsciencevariables
  4. _c_0c18a9f4
experimental

Entrée : am index

URI: https://terra-vocabulary.org/ncl/FAIR-Incubator/earthsciencevariables/c_0c18a9f4

am (type of index: K-derived planetary and hemispheric; time resolution: 3-hour (UT) interval; unit: nT; availability: from 1959 onwards) is derived from the K indices calculated at a network of 24 magnetic observatories situated close to 50° corrected geomagnetic latitude (in the subauroral zones) covering all longitudes. am was introduced to allow a characterization of global geomagnetic activity using a large set of stations representing all longitudes and possible hemispheric discrepancies. am and related derived geomagnetic indices (such as: an, as, Kpm, Am, An and As) are provided by the Ecole et Observatoire des Sciences de la Terre, Strasbourg, France. am time series is formally recognised and endorsed since 1969 by International Association of Geomagnetism and Aeronomy (IAGA).

Métadonnées principales

est un Concept | observable property
modifié le 13 Nov 2023 10:22:13.231
soumis parViqui Agazzi
accepté le 29 Sep 2022 15:03:10.693

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date accepted 29 Sep 2022 15:03:10.693
date submitted 29 Sep 2022 14:56:15.635
definition
entity am index
source graph graph

item class Concept | observable property
label am index
modified 13 Nov 2023 10:22:13.231
notation c_0c18a9f4
register earthsciencevariables
status status experimental
submitter
account name victoria.agazzi@teledetection.fr
name Viqui Agazzi

type register item
version info 4
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Définition

broader Solid earth
definition am (type of index: K-derived planetary and hemispheric; time resolution: 3-hour (UT) interval; unit: nT; availability: from 1959 onwards) is derived from the K indices calculated at a network of 24 magnetic observatories situated close to 50° corrected geomagnetic latitude (in the subauroral zones) covering all longitudes. am was introduced to allow a characterization of global geomagnetic activity using a large set of stations representing all longitudes and possible hemispheric discrepancies. am and related derived geomagnetic indices (such as: an, as, Kpm, Am, An and As) are provided by the Ecole et Observatoire des Sciences de la Terre, Strasbourg, France. am time series is formally recognised and endorsed since 1969 by International Association of Geomagnetism and Aeronomy (IAGA).
exact match V0010200 | b3283844 d867 4c2f 9917 a72bc06fd9ef
label am index
pref label am index
type Concept | observable property