![Page 1: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/1.jpg)
Climatic ChangesClimatic Changes
![Page 2: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/2.jpg)
During an average During an average human lifetime, human lifetime, Climates do not Climates do not
appear to change.appear to change.However, they are However, they are in a constant state in a constant state
of changeof change
![Page 3: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/3.jpg)
Long Term Long Term Climatic ChangesClimatic Changes
Ice AgesIce AgesInterglacial IntervalsInterglacial Intervals
![Page 4: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/4.jpg)
Ice AgesIce Ages- period of - period of
extensive glacial extensive glacial coverage. There coverage. There
have been several have been several glacial advances glacial advances
and retreatsand retreats
![Page 5: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/5.jpg)
![Page 6: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/6.jpg)
Interglacial Interglacial IntervalsIntervals- Warm - Warm periods periods between between
glaciationglaciation
![Page 7: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/7.jpg)
Short TermShort TermClimatic ChangesClimatic Changes
SeasonsSeasonsEl NinoEl Nino
![Page 8: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/8.jpg)
SeasonsSeasons- regular - regular
variations in variations in daylight, daylight,
temperature, and temperature, and weather patternsweather patterns
![Page 9: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/9.jpg)
![Page 10: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/10.jpg)
El NinoEl Nino- Weakening of the - Weakening of the equatorial current equatorial current
brings warmer brings warmer waters to the west waters to the west
coast of coast of South AmericaSouth America
![Page 11: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/11.jpg)
![Page 12: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/12.jpg)
Evidences of Evidences of Climatic ChangeClimatic Change
![Page 13: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/13.jpg)
- Tree Rings- Tree Rings- Ice Core - Ice Core SamplesSamples- Fossils- Fossils- Radio Carbon - Radio Carbon SamplesSamples
![Page 14: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/14.jpg)
![Page 15: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/15.jpg)
Causes for Causes for ChangeChange
![Page 16: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/16.jpg)
Human Human ActivityActivity
- Pollution may - Pollution may aid global aid global warmingwarming
![Page 17: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/17.jpg)
![Page 18: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/18.jpg)
Volcanic Volcanic ActivityActivity
- Dust blocks - Dust blocks solar radiation solar radiation
lowering lowering global global
temperaturestemperatures
![Page 19: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/19.jpg)
![Page 20: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/20.jpg)
Solar ActivitySolar Activity- increased solar - increased solar activity causes activity causes
increased global increased global temps. 11yr cycletemps. 11yr cycle
![Page 21: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/21.jpg)
![Page 22: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/22.jpg)
Earth’s OrbitEarth’s Orbit- More circular - More circular orbit = cooler orbit = cooler global temps.global temps.
100,000 yr 100,000 yr cyclecycle
![Page 23: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/23.jpg)
![Page 24: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/24.jpg)
Earth’s Earth’s WobbleWobble
- Reversal of - Reversal of Earth’s Tilt Earth’s Tilt reverses reverses seasons.seasons.26,000 yr 26,000 yr
cyclecycle
![Page 25: Climatic Changes During an average human lifetime, Climates do not appear to change. However, they are in a constant state of change](https://reader030.vdocument.in/reader030/viewer/2022032523/56649d835503460f94a69f36/html5/thumbnails/25.jpg)