Bathymetry Flashcards
Wilson Cycle
Life and death of the ocean
- more dense plate subducted
[image]
Continental arc
Bathrymetry
Measuring depth of ocean
Old ways of measuring depth
- Send physical object
- Send echo sound wave down (more detail at shallow depths)
The hypsometric curve**
0 line is sea level, anything above is landscape, bathrymetry belwo
how common/uncommon to find surfaces at a particular height or depth
20% of Earth’s surface is 0-1 km above sea level
2% is abive 4000 meters or more
Deep ocean trenches
Deepest: Mariana Trench
At edges of oceans
Continetal shelf
Wide, flat, shallow part of ocean
Seismic Straigraphy
Set off explosion, energy penetrates down through the sediment, any time it hits a change in sediement some of it is bounced back
Hotspot
Persistant part of mantle that is warm
Plume stays fixed, plate moves accross it
Honeymoon destinations
Active continental margin
Trench