SAUBLE SAND DUNES ~ Sauble Beach Ontario CANADA EarthCache
SAUBLE SAND DUNES ~ Sauble Beach Ontario CANADA
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The sand dunes of Sauble Beach are part of a 11 kilometre sugar sand beach on a crescent shaped shoreline The Sauble sand dunes are protected and maintained by "The Friends of Sauble Beach"
Dunes along the eastern shores of Bruce County have formed over the last 3000 to 4000 years, since post-glacial Lake Nipissing began to recede.These dunes are formed from post-glacial lake deposits which preceded the present Lake Huron shoreline. The sand deposits at Sauble Beach are contained between two major headlands — Chief’s Point and Frenchman’s Point. This is a closed system and there are no sources of sand available up-shore or downshore of this area.
A dune may be simply defined as a mound or ridge formed by the deposition of sand. These geologic landforms develop when an abundance of sand combines with wind, vegetation and geography. .
The dunes of Sauble Beach are comprised of fine sands, and as a result, they are particularly vulnerable to erosion—from storm waves and from wind. People’s indiscriminate use of dunes can damage or destroy thousands of years of geologic processes in one instance.
General Information on dunes:
- Dunes form when sand is carried by the wind from the beach towards the land. The wind transports the sand in three ways: in suspension, by lifting the smaller, lighter fractions into the airstream and carrying them for long distances; by saltation, as heavier grains are moved in a series of ‘hops’ and ‘jumps’ along the beach surface; and as surface creep, in which sand particles are rolled along the surface as a result of wind forces or the impact of descending saltating particles.
While wind strength is important, the quantity of sand moved is also influenced by how long the wind is blowing from a particular direction. Wind duration is an important consideration, and knowing the prevailing wind directions at certain times of the year can help with determining management strategies for dune conservation and restoration efforts. Winds with the greatest intensity and duration on the eastern shores of Lake Huron tend to be during the late fall, winter and early spring months.
In order to log this EarthCache, you must do the following:
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1. Send me your email containing the answers to the following IV questions as per the information found at the posted co-ordinates. DO NOT post your answers in your log (you may go ahead and log your visit once you have emailed your answers)
Failure to answer the questions will result in your log being deleted!
I. - Name 3 reasons why sand-dunes are valuable.
- 1. = __________
- 2. = __________
- 3. = __________
II. - These sand dunes have evolved over?
III. - Name 2 plants listed on the "Dune&Beach" plants plaque.
- 1. = __________
- 2. = __________
IV.- Why is it important that we conserve the dunes at Sauble?
Name at least 2 of the 4 reasons
- 1.= __________
- 2.=___________
Oltional:
Take and post at least one photograph of any dune area with or without you, your group or your GPS (in the background).
Disclaimer:
This cache has no affiliation, related directly or indirectly with 'Explore the Bruce Tourism' I have never placed any in their name.
I am a proud
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Additional Hints
(Decrypt)
Bar nafjre vf va gur nobir negvpyr.
Treasures
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