Is vernal spring?

yes

201.51 kilometres (125.21 miles)

'Equinox' means "equal length of day and night" and 'vernal' means "of or occurring in spring"

"Spring" in the word most probably refers to the amount of height difference between tides.

Whether or not its Springocity is greater than 1 or not. A spring with a springocity of less than 1 is hardly a spring at all. Here are some typical springocities: Mountain stream: 1.01 River:...