5 Result(s)
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Chapter
Solar Activity in the Past and Its Impacts on Climate
Solar activity is suggested to impact the climate system through the influence of total solar irradiance (TSI), solar ultraviolet (UV), and galactic cosmic rays (GCRs). This chapter reviews the variability of ...
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Article
Open AccessPSTEP: project for solar–terrestrial environment prediction
Although solar activity may significantly impact the global environment and socioeconomic systems, the mechanisms for solar eruptions and the subsequent processes have not yet been fully understood. Thus, mode...
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Article
Open AccessRelationship between the Northern Pacific Gyre Oscillation and tree-ring cellulose oxygen isotopes in northeastern Japan
The North Pacific Gyre Oscillation (NPGO) significantly imprints on hydrological fluctuations of the East Asian summer monsoon (EASM) region, but this has not yet been observed in proxy-based hydroclimate reco...
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Article
Open AccessEarliest datable records of aurora-like phenomena in the astronomical diaries from Babylonia
The astronomical diaries from Babylonia (ADB) are excellent sources of information of natural phenomena, including astronomical ones, in pre-Christ era because it contains the record of highly continuous and s...
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Article
Open AccessCompound auroral micromorphology: ground-based high-speed imaging
Auroral microphysics still remains partly unexplored. Cutting-edge ground-based optical observations using scientific complementary metal-oxide semiconductor (sCMOS) cameras recently enabled us to observe the ...
