The prelude to the deep minimum between solar cycles 23 and 24: Interplanetary scintillation signatures in the inner heliosphere | Zendy

Janardhan P. | Zendy; Bisoi Susanta Kumar | Zendy; Ananthakrishnan S. | Zendy; Tokumaru M. | Zendy; Fujiki K. | Zendy

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The prelude to the deep minimum between solar cycles 23 and 24: Interplanetary scintillation signatures in the inner heliosphere

Author(s) -

Janardhan P.,

Bisoi Susanta Kumar,

Ananthakrishnan S.,

Tokumaru M.,

Fujiki K.

Publication year - 2011

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/2011gl049227

Subject(s) - heliosphere , interplanetary scintillation , scintillation , interplanetary spaceflight , physics , interplanetary medium , astronomy , solar wind , astrobiology , solar physics , astrophysics , coronal mass ejection , optics , nuclear physics , plasma , detector

Extensive interplanetary scintillation (IPS) observations at 327 MHz obtained between 1983 and 2009 clearly show a steady and significant drop in the turbulence levels in the entire inner heliosphere starting from around ∼1995. We believe that this large‐scale IPS signature, in the inner heliosphere, coupled with the fact that solar polar fields have also been declining since ∼1995, provide a consistent result showing that the buildup to the deepest minimum in 100 years actually began more than a decade earlier.

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