Changes in Sunlight Intensity (Leaving Cert CASD): Flashcards
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Solar constant value (approx.)
Solar constant value (approx.)
1361 W/m²
Duration of solar/Schwabe cycle
Duration of solar/Schwabe cycle
~11 years
Features at solar maximum
Features at solar maximum
Many sunspots & faculae
Sunspots definition
Sunspots definition
Dark, cool patches on Sun caused by strong magnetic fields
Faculae definition
Faculae definition
Bright magnetic regions on Sun, compensate for sunspots
Solar brightness variation in cycle (%)
Solar brightness variation in cycle (%)
~0.1%
Maunder Minimum period
Maunder Minimum period
1645-1715
Gleissberg cycle duration
Gleissberg cycle duration
~100 years
Precession cycle duration
Precession cycle duration
~26,000 years
Solar contribution to warming since 1850
Solar contribution to warming since 1850
≤0.01°C