changing climate

what is climate change?

Climate change is a large-scale, long-term shift in the planet's weather patterns or average temperatures.

what is the natural greenhouse effect?

when greenhouse gasses trap the sun’s radiation

what is enhanced greenhouse effect?

increasing the earth’s atmosphere by burning fossil fuels making the earth warmer

what are the four greenhouse gases?

carbon dioxide, methane, nitrous oxide, halocarbons

what is the quaternary geological period?

the last 2.6 millions years

what has temperature been like during the quaternary period?

temperature has fluctuated. cold spikes being the glacial periods, warmer point are interglacial periods

what has changes in the quaternary geological period?

today’s temperature is higher that the rest of the period (global warming)

Ocean sediment?

layers of sediment that has built over time that have oxygen isotopes. used to calculate atmospheric temperature change

ice cores?

ice cores are made from layers. using water molecules, we can calculate fluctuating temperature in the atmosphere

what is a hotspot?

an area in the mantle hat has a higher temperature than normal

how much will flooding in the UK cost by 2080

£12billion/year

how much will temperature increase in the UK?

1-2.5 degrees by 2050

what is a positive of warmer temperature in the UK?

more crops can be grown. for example grapes to produce wine

how many people dies in the 2003 UK heatwave?

2000

how much are sea levels expected to rise?

500mm-1m by 2100

how many plants and animals will be extinct by 2050?

¼ . this will effect food chains

how many climate refugees will there be b 2100?

100 million

what will and increase in heat also increase?

diseases like malaria as mosquitos can survive in more places

what will happen to Vietnam rice fields?

they’ll flood costing $17 bn affecting 1 billions people