Sinking Islands

Possible Causes

Manmade

Global Warming

Rising Sea Level

a

Expansion of Water

Melting of Ice caps

Removal of Groundwater

Land subsidence

Evidence:Arizona

a

Evidence: Iran

Erosion of Underground Materials

Buildings are too Heavy

Natural

Plate Tectonics

Earthquakes

Evidence of Plate Movements:Hawaiian Islands

r

Resources:http://www.uwsp.edu/geo/faculty/ozsvath/Assignments/PlateTectonics.htm http://www.teachersdomain.org/resource/ess05.sci.ess.earthsys.hawaii/ http://www.abc.net.au/science/news/stories/2003/929822.htm http://www.gns.cri.nz/research/tectonics/plate.html

a

Subduction of land

a

Examples of Sinking Islands or Cities

US

Arizona

Mexico

Venice

Shanghai

Iran

Islands

Maldives

Mythical Sunken Cities

Atlantis

Mu

Implications

Will Singapore be affected?

a

Other Sustainable Sources of Water

Solutions/Preventive Measures

incorporate mangroves and sea grasses into the design of dikes