A barrier island is a long, narrow, and low-lying island that is parallel to the mainland and separated from it by a shallow lagoon or bay. Barrier islands are typically formed by the accumulation of sand and sediment that is carried by waves, currents, and tides. These islands are known for their unique ecosystems, including sand dunes, salt marshes, and tidal flats. In this article, we will explore the definition, origin, meaning, associations, synonyms, and antonyms of barrier islands.
Definitions
A barrier island is defined as a long, narrow island that is parallel to the mainland and separated from it by a shallow lagoon or bay. According to the National Oceanic and Atmospheric Administration (NOAA), a barrier island is “a long, narrow, and low-lying island that is parallel to the mainland and separated from it by a shallow lagoon or bay.” The U.S. Geological Survey (USGS) defines a barrier island as “a long, narrow, and low-lying island that is parallel to the mainland and separated from it by a shallow lagoon or bay.”
Origin
Barrier islands are formed by the accumulation of sand and sediment that is carried by waves, currents, and tides. Over time, this sediment builds up and creates a long, narrow island that is parallel to the mainland. The formation of barrier islands is a natural process that can take thousands of years. Barrier islands can also be formed by human activities such as dredging and beach nourishment.
Meaning in different dictionaries
In the Merriam-Webster dictionary, a barrier island is defined as “a long narrow island lying parallel and close to the mainland, protecting the mainland from erosion and storms.” The Oxford English Dictionary defines a barrier island as “a long, narrow island lying parallel to the mainland and separated from it by a shallow lagoon or bay, protecting the coast from erosion and storms.”
Associations
Barrier islands are associated with unique ecosystems that are adapted to the harsh conditions of the coastal environment. These ecosystems include sand dunes, salt marshes, and tidal flats. Barrier islands are also associated with recreational activities such as swimming, fishing, and boating.
Synonyms
Some synonyms of barrier island include sandbar, shoal, spit, and tombolo. These terms are used to describe similar landforms that are formed by the accumulation of sediment in coastal environments.
Antonyms
There are no direct antonyms of barrier island, as it is a specific landform that is unique to coastal environments. However, antonyms of the associated ecosystems may include inland forests, grasslands, and wetlands.
The same root words
The root words of barrier island are “barrier” and “island.” “Barrier” refers to something that blocks or impedes progress, while “island” refers to a piece of land that is surrounded by water. Together, these words describe a landform that acts as a barrier to protect the mainland from erosion and storms.
Example Sentences
- The barrier island protected the mainland from the full force of the hurricane.
- The sand dunes on the barrier island were home to a variety of plant and animal species.
- The boat got stuck on a sandbar near the barrier island.
- The spit of land that connected the barrier island to the mainland was constantly changing due to the action of waves and tides.
- The tombolo that formed between the barrier island and a nearby island was a popular spot for beachcombing.