A narrow sand tidal island called Spurn in Yorkshire was featured in BBC’s Seven Natural Wonders in 2005 - here is some background on how it was formed.

In this diagram, we see a wide range of salinities (0.1 to 32), wave processes that dominate at the mouth of the estuary, tidal processes that occur in the middle region, and river or fluvial ...

The majority of rivers then eventually join the sea at what is called it’s mouth, often forming an estuary. Ryley and Maisie are joining me on the bank, or the side, of the river. They’re ...

Christchurch surf lifeguards assisted Police and Coastguard in a daring search and rescue on Saturday, with three patients swept out of the estuary mouth at Spit Reserve, Southshore. Supported by ...

The estuary at the southern edge of California ... This blocked the river mouth with sand and created a stagnant pool that ...

“Will the Dusi finish be affected? We cannot understand how sewage effluent is only affecting the estuary mouth,” he asked in reference to the canoe race that takes place this month along the ...