Measuring Weather: Sunshine Flashcards
1
Q
What is sunshine?
A
The sun’s rays reach the surface of the Earth.
2
Q
What is sunshine measured by?
A
Campbell- Stokes sunshine recorder
3
Q
What does the Campbell- Stokes sunshine recorder do?
A
A glass sphere focuses the sun’s rays onto a spot on a sensitive strip of paper slotted into the semi-circular frame surrounding the ball. The sun’s rays burn a mark on the paper and continues to do that as it goes across the sky.
4
Q
What happens at the end of the day?
A
The paper’s examined to see how much the sun shone during the day.
5
Q
What is the measurement unit for sunshine?
A
Hours per day
6
Q
What are isohels?
A
The lines on the weather map showing areas of equal sunshine.
