What does "isohel" mean?
A line on a map connecting places that receive equal solar radiation, or equal daily hours of sunshine.
noun ·Rare ·Advanced level
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"Each map shows a zone of increased sunshine between Ghana and Nigeria, destroying the regular pattern of east-west trending isohels across southern Nigeria and Ivory Coast."
"Each map shows a zone of increased sunshine between Ghana and Nigeria, destroying the regular pattern of east-west trending isohels across southern Nigeria and Ivory Coast."
A line on a map connecting places that receive equal solar radiation, or equal daily hours of sunshine.
Common synonyms include: insolation contour, insolation isopleth, isopleth, solar isopleth.
Each map shows a zone of increased sunshine between Ghana and Nigeria, destroying the regular pattern of east-west trending isohels across southern Nigeria and Ivory Coast.
From iso- + Ancient Greek ἥλιος (hḗlios, “sun”).