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9- Tidal fluctuations are very imporatnt in all aspects of the coastal
zone, they affect
physical processes such as the shoreward
……………………….of wave ………………………, ……………………………….of
water
in estuaries ,……………………………activities such as the
feeding of birds , fish………….
10Changes in sea level on a time scale of hours to years can
result from changes in sea surface………………….., changes in
global…………………..and…………………………..systems.
11A storm surge is caused by………………………….and depends
on
…………………………………and
……………………….of
the
wind,…………………………….and…………………………….pressure.
12………………………………change is also leading to rising sea
levels ,
when ocean …………………………water…………………and the
sea
level
rises.
Also
the…………………………glaciers
and…………………..caps also contribute to rising sea levels.
13Most predictions on rising sea levels are…………………………..
14We can measure changes in
the sea level using
………………………………….but…………………………….gives
accurate
records on changes on the sea level.
Exercise two : Answer the following questions :
1- What are the different causes of rising sea levels ?
2- What is the impact of rising sea levels on the coastline ?
3- What can we use to measure changes on the sea level ?
4- Changes on the sea level are defined on the basis of what ?