References ailing: Normal 1 No Spac... Heading 1 Paragraph b. At 40 s, what is t

Question

References ailing: Normal 1 No Spac... Heading 1 Paragraph b. At 40 s, what is the average insolation in watts/m' Styles 500 and 450 at the beginning of February? This falls between 2/3 of the watts/m Assume an even transition of values. The beginning of February is about February, 50 watts span between 450 and 50o. 2/3 of 50 ,about 33, so at the beginning of a location at 40s receives approximately 483 watts/m (450 33) 1.At what latitude is the declination of the sun (subsolar point) in the middle of November? 2. What is the latitude of the subsolar point in mid-April? 3a. What are the start and end dates of insolation at the North Pole? b. For how many months each year does the North Pole receive o watts/m'? 6 Compare the amount of insolation at the equator during two different dates: June solstice and December solstice. a. What is the difference in insolation?

Explanation / Answer

1) In the middle of november- solar declination is at 20oS

2) In the mid-April- solar declination is at 11oN

3a) March 21 to September 23

3b) 6 months

6) a) June Solstice- 380W/m2

December Solstice- 410W/m2

Difference = 410-380 =30W/m2

b) These variations are due to the the combined effects of angle of incidence and day length duration

4) 460-480W/m2

5) Around 6 months 37oN latitude will receive 350W/m2 and greater insolation

6) Around 200W/m2 insolation receives at 37oN when sun is at Tropic of Capricon(231/2oSouth)

7) Around 50 W/m2 higher insolation in south pole

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