Research on Solar Long-term Variability and Effects
Space Climate is a relatively new branch of space physics, which concentrates on long-term (from a few months to thousands of years) variations of solar activity and its effects in the heliosphere, near-Earth space, atmosphere and the Earth's climate system. Thus, Space Climate can be thought of as the "statistics of Space Weather", much like weather and climate in meteorology. Space Climate research relies strongly on vast databases of historical observations of, e.g., Sun, geomagnetic field variations, satellite observations, ground climate records etc. and often utilizes statistical big data methods and machine learning to uncover hidden regularities and physical meanings from these data. A recent hot topic in Space Climate research is the influence of solar activity and solar wind variations upon Earth's climate system.
Recently the Space Climate research group coordinated the ReSoLVE Centre of Excellence (Research on Solar Long-term Variability and Effects, 2014-2019) funded by the Academy of Finland.
Centre of Excellence on Research on Solar Long-term Variability and Effects (ReSoLVE, 2014-2019)
Recent research has been concentrated on following key questions:
• How and why has the solar magnetic field and solar wind changed during the past 150 years?
• How have geomagnetic activity and near-Earth energetic particle populations changed during the last 150 years?
• What is causing the recent rapid decline in solar activity and what effects does it have?
• What are the solar effects on climate and climate change?