Yellowstone Geysers and the People Who Watch Them.

Yellowstone Geysers and the People

Who Watch Them

Necessary Conditions for a Good Geyser

• Abundant Supply of Water

• Sufficient Heat Source

• Special Underground Plumbing

• Interested Observers

Water Supply

Heat Source

Windows into the Earth, Figure 4.5

Special Plumbing

Earth’s Dynamic Systems, Figure 13.11

How a Geyser Works

Earth’s Dynamic Systems, Figure 13.11

Lone Star Geyser

Old Faithful

Kinds of Observers

• Cute

• Intelligent

• Dumbfounded

Lone Star Geyser

Watchers

“Outstanding” Geyser Watcher

Ear Spring Geyser Watchers

Old Faithful

Help a Geyser (to be a good one)

If you can’t be a cute or an intelligent geyser watcher, at least be dumbfounded.