Geophysics & Environmental Physics
3 terms
La Niña
Geophysics & Environmental Physics
Sea Surface Temperature Anomaly (°C)
The cool climate phase of the El Niño-Southern Oscillation (ENSO) characterized by abnormally cold sea surface temperatures in the central and eastern tropical Pacific.
ENSO Index: Southern Oscillation Index (SOI) > 0, Sea Surface Temp Anomaly < -0.5 °C
Lehmann Discontinuity
Geophysics & Environmental Physics
km (Boundary Depth)
The seismic boundary at a depth of ~5,150 km marking the transition between Earth's liquid outer core and solid inner core.
Depth z ≈ 5150 km (Outer Core - Inner Core Boundary)
Lithosphere
Geophysics & Environmental Physics
km (Lithospheric Thickness)
The rigid, brittle outermost mechanical shell of Earth comprising the entire crust and uppermost solid mantle.
Elastic Thickness h_e ~ 10–200 km