NSF's solar-terrestrial research program and RISE. [RISE (Radiative Inputs of the Sun to Earth)]
SunRISE has become a top priority proposed initiative for solar terrestrial science at NSF. NSF's priorities include People, Education, Infrastructure, and Competitiveness in Science. Within NSF's Atmospheric Division, the Solar Terrestrial (ST) Program considers the Sun as the principle driver of dynamic phenomena in the atmospheric and geospace environments. The ST [open quotes]Core[close quotes] program will place increased emphasis on the nature of solar variability and the resultant terrestrial responses. Solar variability, emphasized dramatically by flares is not well understood, particularly below the atmosphere. Yet in all its forms, outstanding problems exist from the base of the convection zone, through the photosphere, chromosphere, and corona, and into the solar wind, where interactions with the Earth system occur. Areas of increased emphasis will be to answer the following questions. How does solar variability manifest itself in terrestrial atmospheric effects What is the nature of solar activity and how does it change in its transit from deep within the Sun to the Earth How does the Sun's variable radiative emission, flares, and corpuscular radiation affect the Earth's atmosphere The impact the Sun has upon the Earth's climate through its radiative drivers is the focus for the new initiative [open quotes]SunRISE[close quotes] (Radiative Inputs of the Sun to Earth). At present, there are large uncertainties in the contribution of solar irradiance variations to global change. Properly subtracting out, the contribution of solar variability from the climate record is critical for determining human-induced changes during the present epoch.
- OSTI ID:
- 5879365
- Journal Information:
- American Astronomical Society, Bulletin; (United States), Vol. 24:3; ISSN 0002-7537
- Country of Publication:
- United States
- Language:
- English
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