'Warm phase' presentation slideshows

564 views • 56 slides

Climate Variables used in Dendrochronology

Climate Variables used in Dendrochronology. Tree-ring data are just one type of many proxies of past climate. Tree-ring data are extremely valuable for evaluating past changes in temperature, for example. Why is past information needed?.

726 views • 48 slides

Chapter 7 Ocean Circulation

Chapter 7 Ocean Circulation. Essentials of Oceanography 7 th Edition. Ocean currents. Surface currents Affect surface water within and above the pycnocline (10% of ocean water) Driven by major wind belts of the world Deep currents Affect deep water below pycnocline (90% of ocean water)

1.24k views • 34 slides

Chapter 7 Ocean Circulation

Chapter 7 Ocean Circulation. Essentials of Oceanography 7 th Edition. Ocean currents. Surface currents Affect surface water within and above the pycnocline (10% of ocean water) Driven by major wind belts of the world Deep currents Affect deep water below pycnocline (90% of ocean water)

583 views • 34 slides

Take a look at your I-clickers

Take a look at your I-clickers. 01A49D38 01B1DD6D 027BD2AB 0DACA607. The Last 2000 Years. Thousands of Years Before Present (log scale). Where does the Temperature data come from?. Tree Rings Lake Sediments and pollen Ice Cores (O-18) Coral (local water temp and O-18)

425 views • 33 slides

El Nino

S. El Nino. Normal Conditions Wind and Current Patterns El Nino Conditions Wind and Current Patterns La Nina Conditions Wind and Current Patterns El Nino Frequency and Strength Important Effects. Normal & El Nino Model.

289 views • 23 slides

Dendroclimatology

506 views • 21 slides

Climate: Outlook and Operational Planning

333 views • 21 slides

Example: Snowball Earth

Example: Snowball Earth. Several putative episodes between 750 Myr and 580 Myr ago. Evidence controversial, but puzzling (e.g., glaciers at sea level at the equator Freeze-fry cycles (global mean temperature -40C to 40C !). Hoffman and Schragg, Sci. Am. 2000. .

447 views • 19 slides

544 views • 14 slides