Back to Coastal and Oceanic Landform
- A spit/ sandspit is a deposition landform.
- It found off coasts.
- Spits connect to a head & extend into the nose.
- It is a type of bar / beach.
- Process of longshore drift.
- Longshore drift occurs due to waves meeting the beach at an oblique angle.
- Back-washing perpendicular to the shore.
- Moving sediment in a zigzag pattern.
- Longshore drifting is complemented by longshore currents.
- It transport sediment through the water alongside the beach.
- Longshore drift greater than 30 degrees.
- The spit grown stable & often fertile.
- Specialized form of a shoal.
- Spit may become a bar.
- Both ends joined to land.
- Form a lagoon behind the bar.
- tombolo = Spit continues to grow until it connects the island to the mainland.
- proximal end = The end of a spit attached to land.
|Farewell Spit in New Zealand|
The longest spit is the Arabat Spit,Azov,110 km long.
Farewell Spit in New Zealand,32 km.
Many spits have hooked / curved ends.
- Dorset. Chesil Beach,UK,18-mile.
- That connects Weymouth to the Isle of Portland.
- Chesil Beach provides shelter to Weymouth & the Portland village of Chiswell.