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  • August 16, 2021
[Frontier Letter] PSTEP: 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, modern society supported by advanced information systems is at risk from severe space weather disturbances. Project for solar–terrestrial environment prediction (PSTEP) was launched to improve this situation through synergy between basic science research and operational forecast. The PSTEP is a nationwide research collaboration in Japan and was conducted from April 2015 to March 2020, and it has made a significant progress in space weather research and operational forecasts. This paper is a summary report of the PSTEP and describes the major research achievements it produced.

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