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The Hydrosphere- Bonus Assignment Mind Map
3
The Hydrosphere
Taite Hulet Gatt
What It Is
The hydrosphere is the total amount of water on a planet. This includes water that is on the surface, underground, and in the air.
Water Facts
Breakdown
Earth is 70% water
- 97% is salt water
- 3% is fresh water
~2% is underground or frozen, and is therefore unusable
Use
Water is used for transportation, to grow our food, manufacture goods, to keep our buisnesses running, and to keep us hydrated and alive
Use
Quantity
The average human needs 3.7L of water per day, multuply that by our population of 8 billion and rising, that means we go through approximately 30million L of water daily. That is a lot considering we can only safely drink 2% of the water on Earth.
Quantity
Pollution
Plastics
Over 12million tonnes of plastic find its way into the ocean each year, with 1.75 tonnes being chucked into the water directry by the fishing and shipping industry. This pollution chokes marine wildlife, damages soil and poisons ground water, making it unlivable for animals, and unsafe to consume or come into contact with for humans.
Oil Spills
Oils spills are one of the most damaging forms of water pollution. Even if they are supposidly "cleaned up", there will always be long lasting effects to the water and the ecysystems it holds. Oils spills can alter migration pathways, distupt lifecycles of animals, and result in the erosion of shorelines.
The Cryosphere
What It Is
What it is
The cryosphere refers to Earth's ice in all its forms. It is connected to the hydrospere in the way that when the ice of the cryosphere melts, the water then becomes a part of the hydrosphere.
Climate Change
Climate change is hazardous in many ways, but especially in how it does/will effect the hydrospere. Current warming trends will lead to the evapouration of surface water, increased sea levels, create marine heatwaves, change ocean currents dues to desalinification, which then alters weather patterns, and can cause massive droughts.
The Water Crisis
Cause and Effect
Causes: hotter temperatures, insufficient precipitation, glacier loss, and increased human consumption.
Cause and Effect
Effects: Reduced crop growth, hotter, dryer weather, decreased livestock production, damage to human health, and in some cases, loss of life.