A tombolo, from the Italian tombolo, derived from the Latin tumulus, meaning 'mound', and sometimes translated as ayre, is a deposition landform in which an island is attached to the mainland by a narrow piece of land such as a spit or bar. Once attached, the island is then known as a tied island. Several islands tied together by bars which rise above the water level are called a tombolo cluster. Two or more tombolos may form an enclosure (called a lagoon) that can eventually fill with sediment. A tombolo may be considered to be a type of isthmus.
The shoreline moves toward the island (or detached breakwater) due to accretion of sand in the lee of the island where wave energy and longshore drift are reduced and therefore deposition of sand occurs.
True tombolos are formed by wave refraction and diffraction. As waves near an island, they are slowed by the shallow water surrounding it. These waves then bend around the island to the opposite side as they approach. The wave pattern created by this water movement causes a convergence of longshore drift on the opposite side of the island. The beach sediments that are moving by lateral transport on the lee side of the island will accumulate there, conforming to the shape of the wave pattern. In other words, the waves sweep sediment together from both sides. Eventually, when enough sediment has built up, the beach shoreline, known as a spit, will connect with an island and form a tombolo.
Tony McKay
Oh Dambala come Dambala
Oh Dambala come Dambala
Think of the wings of a three toed frog
Eat weeds from the deepest part of sea
Oh Dambala come Dambala
Oh Dambala come Dambala
On the seventh day God will be there
On the seventh night satan will be there
On the seventh day God will be there
On the seventh night satan will be there
You slavers will know
What its like to be a slave
Slave to your heart
Slave to your soul
Oh Dambala come Dambala
Oh Dambala come Dambala
You slavers will know what its
Like to be a slave
Slave to your mind
Slave to your race
You won't go to heaven
You won't go to hell
You remain in your graves
With the stench and the smell
Oh Dambala come Dambala
Oh Dambala come Dambala