¥Paleoclimatology - the study of past
climates.
¥Past 100-200 years (weather observations)
¥Must use
indirect climate measures, proxies, to examine
further into the past. Some proxies:
¥
- Tree
rings (1,000+ years before present BP)
¥ - Trapped pollen (10,000+ years BP)
¥ - Glacial ice cores (100,000+ years BP)
¥ - Ocean sediment cores (1 Million+ years BP)
¥ - Geology (1 Billion+ years BP)