Global warming
Human causes of global warming
Burning of fossil fuels and deforestation
Benefits of climate change
Cause areas to warm making growing season longer
Climate changes environmental impacts
Cause ocean surface temperatures to rise making ocean water evaporate, this causes more water vapor to go into the atmosphere causing more precipitation in north and south america and less in africa asia and the medateranian. Glaciers and ice caps melt as temps increase which caused the sea level causing coastal flooding. Extreme weather events like heat waves droughts and heavy rainfall also became more common
Natural Causes of Global warming
Cellular respiration forest fires and volcanic eruptions
how to lower pollution
Find alternatives to greenhouse gasses that don't put carbon dioxide into the atmosphere don't deforest and plant trees in deforested areas
Aerosols
Formed from the burning of fossil fuels these liquid or solid particles reflect sunlight back into space possibly causing earth's surface to cool. These also cause clouds to form with smaller droplets and reflect more sunlight with clouds with smaller droplets
Greenhouse gases
Gases in the atmosphere that absorbs outgoing radiation
Global climate model
Gcm for short a set of complex equations used to predict future climates
Deforestation
Large scale cutting and burning of forests
earth's changes by 2100
Summer arctic ice caps will melt and earth's temp will go up 1-4 degrees celcius
drawbacks of gcm's
The forecasts and predictions can't be immediately compared to data
Why does global warming occur
The greater amount of greenhouse gasses in the atmosphere or the greater greenhouse effect
Global warming
The rise in the earths average surface temp over the past 100 years
Dangers of climate change
They cause heat waves and droughts which cause food and water shortages. Can also cause excessive rainfall and flooding and mudslides
how gcm's work
They combine mathematics and physics to predict the characteristics of climate
by 2050 how much will earth's population rise
To 9 million people or 50%
Use of global climate models
Used by the government to respond to future climate issues
13.What is the name of the gas in car exhaust that helps contributes to global warming?
carbod dioxide
how much of northern hemisphere gets covered in ice during ice ages
half
What is not a short-term weather cycle?
ice age
The Holocene Epoch is the current...
interglacial period
Greenhouse gases are
nescesarry to keep earth warm
A direct result of global warming, as opposed to an indirect result, is
raise in temperature
One effect of El Niño on the southern United States' climate is
strong storms
What happens during el ninio
warm nutrient poor water appears off the coast of equador and peru