Climate change over time.

Climate change over time.

1. Medieval warm period

2. what is the quaternary period?

   • the last glacial; period ended roughly 15,000 years ago, since this time the world has been warming
   • global warming is a term usually used specific

3. the little ice age

   • europe was affected
     • frams and villages in the swiss alps because of growing glacies during 17th centery
     • the river Thames in London was frozen in 1608 and 1840. There were winter fairs
     • crops would have died due to frozen ground, rivers were frozen meaning trade was impossible
   • The little ice age lasted between 1300 and 1870
     • the period can be devided into two phrases. the first one started early 1300s and lasted until the late 1400
       • it was caused by a cooling effect of massive volcano eruptions and sustrained by changes in arctic ice caves
   • The little Ice Age
     • this is the name given to a period of time when part of europe and north america experianced much colder winters then today
     • the price of green increased
     • crops failed
     • the sea froze
     • frost fairs were held on the frozen river Thames
     • food supplies were limited
   • the little ice age started after the medieval warm period usually a period of cooling is followed by warming
     • some causes- more volcanic activy, change in oceans temperature and the earth changing its orbit

4. How has climate changed during the quaternary period?

   • what causes it ?