Lines joining places of equal sunshine duration on maps are known as
Answer Details
Lines joining places of equal sunshine duration on maps are known as isohel. Isohel is a type of map that represents the distribution of sunshine duration. These lines connect points on the map with the same amount of sunshine during a specific period of time, usually a day or a year. The term "isohel" comes from the Greek words "iso" meaning equal and "helios" meaning sun. Isohel maps are important for understanding the amount and distribution of solar radiation in different regions, which can have a significant impact on climate, agriculture, and other related fields.