A new shadow-ring device for measuring diffuse solar radiation at the surface.

• Grant number: 01/12986-0
• Support Opportunities: Regular Research Grants - Publications - Scientific article
• Start date: January 01, 2002
• End date: December 31, 2002
• Field of knowledge: Physical Sciences and Mathematics - Geosciences - Meteorology
• Principal Investigator: Amauri Pereira de Oliveira
• Grantee: Amauri Pereira de Oliveira
• Host Institution: Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG). Universidade de São Paulo (USP). São Paulo , SP, Brazil