My Investigation on climate change

My Investigation on climate change

ACIDIFICATION

DEFINITION: Ocean acidification is the ongoing decrease in the pH of the Earth's oceans, caused by the uptake of carbon dioxide (CO. 2) from the atmosphere. Seawater is slightly basic (meaning pH > 7), and ocean acidification involves a shift towards pH-neutral conditions rather than a transition to acidic conditions (pH < 7).

What is happening to the oceans? 

The ocean level is rising because of the ice melting and it is becoming more acidic because it absorbs 2/3 of earth's CO2.

What does this do to shellfish?

It deforms the shellfishes because it can't handle the acid of the ocean. 

HOW DOES CLIMATE CHANGE CONTRIBUTE TO THE ACIDIFICATION OF OUR OCEANS?

Ocean acidification refers to decreasing levels of pH in the ocean, which makes the sea more acidic. It is the long-term change in seawater chemistry due to the absorption of carbon dioxide from the atmosphere. Roughly 30 per cent of human-made CO2 is absorbed by the oceans.

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DEFORESTATION

DEFINITION: Deforestation, clearance, clearcutting or clearing is the removal of a forest or stand of trees from land which is then converted to a non-forest use.Deforestation can involve conversion of forest land to farms, ranches, or urban use. The most concentrated deforestation occurs in tropical rainforests.

What are trees used for? 

Trees provide them shelter from the weather and from enemies. Trees provide food in the form of fruits, nuts, leaves, bark, and roots. Even dead trees provide shelter and food for many insects.

HOW DOES DEFORESTATION AFFECT THE CLIMATE?

Burning or cutting down trees reverses the effects of carbon sequestration and releases greenhouse gases (including carbon dioxide) into the atmosphere. Furthermore, deforestation changes the landscape and reflectivity of the earth's surface, i.e. decreasing albedo.

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ICE CAP MELT

DEFINITION: The ice caps are the thick layers of ice and snow that cover the North and South Poles. This could cause the ice caps to melt.

If all the ice melted what would happen? 

The ocean level will go high and the world will become hotter.

HOW DOES ICE CAP MELT AFFECT CLIMATE CHANGE?

The primary cause of this phenomenon is ice-albedo feedback, whereby melting ice uncovers darker land or ocean beneath, which then absorbs more sunlight, causing more heating.

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WATER VAPOUR

DEFINITION:Water vapor, water vapour or aqueous vapor is the gaseous phase of water. It is one state of waterwithin the hydrosphere. Water vapor can be produced from the evaporation or boiling of liquidwater or from the sublimation of ice. Unlike other forms of water, water vapor is invisible.

HOW DOES  WATER VAPOUR AND EVAPORATION CONTRIBUTE TO CLIMATE CHANGE? 

Warmer air is able to hold more moisture. As the climate warms, air temperatures rise, more evaporation from water sources and land occurs, thus increasing the atmospheric moisture content.

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