Pourquoi ce travail est dans la base
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Notice bibliographique
Résumé
Long conductors of all types on Earth's surface are subject to disturbance and disruption by telluric currents (currents that flow within the Earth or on its surface) induced by space weather events. Attention is most often paid to the effects that these currents can produce in electric grids. After all, if an electric power system is disrupted, many other modern infrastructures that depend on the secure and continuous supply of electrical power will also be affected. A recent technical paper in Space Weather by R. A. Marshall and colleagues draws needed attention to the effects of telluric currents on long pipelines. This is a space weather topic that often does not receive the attention it warrants in terms of its critical relevance to modern-day life. Pipelines have long used cathodic protection systems to mitigate the corrosion of the pipes that can arise from potential differences between the ground and the pipes. These potential differences occur because telluric currents flow more readily in the pipes than in the ground. While pipeline engineers have long worked hard on this problem, it was the design and installation in the mid-1970s of the Alaska pipeline directly under the auroral zone that drew enhanced attention to this topic. Much of the interest devoted to space weather effects on long pipelines is concentrated on high-latitude regions. It is in those regions that the intense and rapidly changing ionospheric currents can produce the largest pipe-to-ground potentials, and therefore where cathodic protection systems are most challenged. The Finnish Meteorological Institute (http://www.fmi.fi/research/) and Space Weather Canada (http://www.spaceweather.gc.ca) have been particularly active in research and in supplying information and modeling results to the pipeline industry in those high-latitude countries. On the opposite side of the globe, the continent of Australia covers a large range of geomagnetic latitudes that are affected by different ionosphere current systems. There are also wide variations in the conductivity structure of the Earth over which Australian pipelines pass. Thus the article by Marshall and colleagues is important both because it brings attention to the pipeline issue and because it highlights the need for the space weather research community to consider the challenges involved in understanding and modeling diverse ionosphere current systems over a wide range of Earth conductivities. The suggestion in this paper of a geomagnetically induced current (GIC) index that could be used to enhance understanding and mitigation of telluric current effects on pipelines deserves further examination by theorists and modelers. Whether such an index could also benefit other industries that use long conductors, including electric grids and undersea cables, should also be examined. Louis J. Lanzerotti is editor of Space Weather and a distinguished research professor at the New Jersey Institute of Technology, in Newark.
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,000 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,005 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découle