🌱 AP Environmental Science Unit 4 Notes (copy)

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15 Terms

1

Plate Tectonics

The theory explaining the movement of the Earth's plates and how they cause geological phenomena.

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2

Divergent Plate Boundary

A tectonic plate boundary where plates move away from each other, creating mid-ocean ridges and rift valleys.

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3

Subduction

The process where one tectonic plate is forced under another, commonly occurring at convergent plate boundaries.

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4

Asthenosphere

The solid, flexible outer layer of the mantle beneath the lithosphere.

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5

Soil Horizons

Layers of soil differentiated by their composition and characteristics, identified as O, A, B, and C.

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6

Weathering

The breakdown of rocks into smaller fragments through physical, chemical, or biological processes.

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7

Erosion

The transport of weathered rock fragments by natural forces such as wind and water.

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8

Porosity

The amount of pore space within a soil that allows for the retention of water and air.

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9

Coriolis Effect

The deflection of wind and ocean currents caused by the rotation of the Earth.

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10

Albedo

The proportion of light that is reflected by a surface, influencing surface temperature.

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11

El Niño

A climate pattern characterized by warmer ocean temperatures in the central and eastern Pacific, affecting global weather.

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12

La Niña

A climate pattern characterized by cooler ocean temperatures in the central and eastern Pacific, often leading to different weather patterns compared to El Niño.

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13

Watershed

An area where water collects, often part of a river system, draining into a common outlet.

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14

Soil Fertility

The ability of soil to support plant growth through nutrient availability and proper conditions.

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15

Thermohaline Circulation

A large-scale ocean circulation driven by global density gradients created by differences in temperature and salinity.

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