physical geography topic 2

Question 1

what is a littoral coast

Answer 1

a coast line that stretches out on the sea

Question 2

what are sediment cells

Answer 2

they are regions in which sediment movement on the near shore is largely contained

Question 3

strata

Answer 3

layers of rock

Question 4

bedding planes

Answer 4

natural breaks in rock caused by gaps in time period during rock formation (horizontal)

Question 5

joint

Answer 5

fractures formed as sediment dry out (vertical)

Question 6

folds

Answer 6

formed by pressure in tectonic activity

Question 7

fault

Answer 7

pressure and stress put on rocks

Question 8

how is Dalmatia coastline formed

Answer 8

ridges and valley form parallel to each other
sea level rise means that the valleys are flooded and only some are showing above the surface

Question 9

what is drift alined

Answer 9

seidment transferred along the coast by LSD

Question 10

swash allied

Answer 10

sediment washes onto the shore

Question 11

offshore bar

Answer 11

a bar submerge or partly which is created by destructive waves breaking sediment off the beach
and constructive waves depositing it off shore bars

Question 12

a bar

Answer 12

a spit extents across a bay

Question 13

a tombolo

Answer 13

a beach formed beteen an island and the main land

Question 14

a cuspate forland

Answer 14

trianglar shaped headland formed when 2 beaches experiance LSD in opposite directions
sediment deposited at the point they meet

Question 15

example of sand dunes

Answer 15

stud land Dorset

Question 16

what is the humus

Answer 16

dead organic matter that increases the fertility, moisture and nutrients

Question 17

what are pioneer species

Answer 17

the first pepole there often halseptic which the die and increase the nutrents and mostuire of the soild

Question 18

what is a climax community

Answer 18

Over time this increases the diversity of species which can survive in the environment, until eventually the climax community is reached

Question 19

Bangladesh coastal flooding

Answer 19

-Cyclone Sidr lead to a 6m storm surge and was only a Cat 4 hurricane
-It killed over 3000 people and destroyed 685,528 hectares of farmland
Storm surges have historically hit Bangladesh and been even deadlier. Costs of $1.7 billion
Bangladesh is vulnerable to coastal flooding for a variety of reasons:
It is extremely low lying, and nearly half the countries population live less than 10m above sea level