Výsledky vyhledávání - "KATIA J. PINHEIRO"

Akademický článek

Exploring effects in tippers at island geomagnetic observatories due to realistic depth- and time-varying oceanic electrical conductivity

Autor: Rafael Rigaud, Mikhail Kruglyakov, Alexey Kuvshinov, Katia J. Pinheiro, Johannes Petereit, Juergen Matzka, Elena Marshalko

Publikováno v: Earth, Planets and Space, Vol 73, Iss 1, Pp 1-22 (2021)

Abstract Vertical magnetic transfer functions (tippers) estimated at island observatories can constrain the one-dimensional (1-D) conductivity distribution of the oceanic lithosphere and upper mantle. This is feasible due to the bathymetry-dependent

Externí odkaz: https://doaj.org/article/fdf6c15dd7334cdaa5e0441b8dfa8dc3

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Akademický článek

Deep magnetic field stretching in numerical dynamos

Autor: Diego Peña, Hagay Amit, Katia J. Pinheiro

Publikováno v: Progress in Earth and Planetary Science, Vol 5, Iss 1, Pp 1-23 (2018)

Abstract The process of magnetic field stretching transfers kinetic energy to magnetic energy and thereby maintains dynamos against ohmic dissipation. Stretching at depth may play an important role in shaping the field morphology and in the dynamo ac

Externí odkaz: https://doaj.org/article/33924b9d187844c09aaa42901cf8599b

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Akademický článek

A mean-field Babcock-Leighton solar dynamo model with long-term variability

Autor: SABRINA SANCHEZ, ALEXANDRE FOURNIER, KATIA J. PINHEIRO, JULIEN AUBERT

Publikováno v: Anais da Academia Brasileira de Ciências, Vol 86, Iss 1, Pp 11-26 (2014)

Dynamo models relying on the Babcock-Leighton mechanism are successful in reproducing most of the solar magnetic field dynamical characteristics. However, considering that such models operate only above a lower magnetic field threshold, they do not p

Externí odkaz: https://doaj.org/article/a4ccb5a899f74063a4d9763b3ed7f980

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A mean-field Babcock-Leighton solar dynamo model with long-term variability

Autor: Katia J. Pinheiro, Sabrina Sanchez, Julien Aubert, Alexandre Fournier

Publikováno v: Anais da Academia Brasileira de Ciências, Vol 86, Iss 1, Pp 11-26 (2014)
Anais da Academia Brasileira de Ciências, Volume: 86, Issue: 1, Pages: 11-26, Published: MAR 2014
Anais da Academia Brasileira de Ciências
Anais da Academia Brasileira de Ciências, Academia Brasileira de Ciências, 2013, 86 (1), pp.11-26. ⟨10.1590/0001-37652014111212⟩
Anais da Academia Brasileira de Ciências v.86 n.1 2014
Academia Brasileira de Ciências (ABC)
instacron:ABC

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8c4556992a9fa46befd75b185b0208f
https://doi.org/10.1590/0001-37652014111212

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Impulses of the geomagnetic secular variation (jerks) at vassouras magnetic observatory detected by wavelet analysis

Autor: Katia J. Pinheiro, Jandyr M. Travassos

Publikováno v: Revista Brasileira de Geofísica v.28 n.1 2010
Revista Brasileira de Geofísica
Sociedade Brasileira de Geofísica (SBG)
instacron:SBG
Revista Brasileira de Geofísica, Volume: 28, Issue: 1, Pages: 37-46, Published: MAR 2010

Geomagnetic jerks are abrupt changes in the secular variation generated in the Earth's core. Even the most basic characteristics of jerks as its origin and duration, are still a matter of debate in the scientific community. Data obtained by magnetic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e113512897b96e4a1e230e6f31d3d09f
https://doi.org/10.1590/s0102-261x2010000100003

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IMPLEMENTATION OF PANTANAL MAGNETIC OBSERVATORY IN BRAZIL

Autor: Katia J. Pinheiro, Fillipe Siqueira

Publikováno v: Revista Brasileira de Geofísica. 33:127

Magnetic observatories are fundamental to study different magnetic sources, measuring precisely and continuously the geomagnetic field. The largest restriction of the observatories is their uneven distribution on the Earth’s surface, especially in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f6c4f155f73c027eb43b91c0c5c71029
https://doi.org/10.22564/rbgf.v33i1.607

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