perigean


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perigee

per·i·gee

 (pĕr′ə-jē)
n.
1. Astronomy The point in an orbit around the planet Earth where the orbiting body is closest to the planet.
2. The analogous point in an orbit around a celestial body other than Earth. Not in technical use.
[French périgée, from Medieval Latin perigēum, from Late Greek perigeion : Greek peri-, peri- + Greek gē, earth.]
per′i·ge′al (-jē′əl), per′i·ge′an (-jē′ən) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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This raises the question of whether floods are attributable to high perigean spring tides.
Exposure to coastal hazards in a rapidly expanding northern urban centre, Iqaluit, Nunavut
The full Moons of August and September are perigean, meaning the Moon turns full near the date when it's at perigee, closest to Earth for the month.
The return of Jupiter
A supermoon or perigee full Moon brings with it extra-high "perigean tides".
A supermoon's effects
Overlapping of the cycles of spring and perigean tides every 206 days results in an annual progression of 1.5 months in the periods of especially high tides.
Tides and their seminal impact on the geology, geography, history, and socio-economics of the Bay of Fundy, eastern Canada
The perigean tides' effect on the number of icebergs really was incidental.
Revisiting the Titanic
When the perigean and spring tides coincide in June and December, the diurnal inequality causes one of the daily tides to be especially strong.
Tides and their seminal impact on the geology, geography, history, and socio-economics of the Bay of Fundy, eastern Canada
The rare celestial combination first involved the convergence of a spring tide and a perigean tide.
Did the moon sink the Titanic?
Peaks of perigean tides and spring tides coincide in cycles of 206 days.
Tides and their seminal impact on the geology, geography, history, and socio-economics of the Bay of Fundy, eastern Canada
Conversely where macro-tides prevail, the problem of protection is complicated, and never more so than during perigean spring tides (Wood 1976).
Tides and their seminal impact on the geology, geography, history, and socio-economics of the Bay of Fundy, eastern Canada
(3) Perigean tides of increased range occur once per month, when the Moon is nearest Earth.
High Tides and The Canterbury Tales : In one of his famous poems, Chaucer may have described a rare astronomical configuration that actually occurred in the 14th century
But when one of these sets coincides with the Moon's closest approach to the Earth, extra high (perigean) spring tides will occur.
Tides and their seminal impact on the geology, geography, history, and socio-economics of the Bay of Fundy, eastern Canada

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