Sand Dunes

Question 1

required conditions?

Answer 1

wide range between high and low tide to expose sand. abundant supply of sand gentle beach profile , steeper slopes facing the wind

Question 2

embryo dunes?

Answer 2

sand is blown from the beach and trapped by rocks or driftwood - low in height, alkaline , retain little water, lyme grass grows

Question 3

fore dunes?

Answer 3

form by uo and growth of embryo dune that is out of all but the high storm tide yellow in colour, little organic matter marram grass

Question 4

yellow mobile dune?

Answer 4

due to organic matter on soil, the dunes begin to darken in coulour , dunes are cinsidered fixed as they arent subject to windy conditions from the sea , consist of high ridges and low stacks filled with water