AP®︎ Environmental Science: Topic 9.4 Flashcards

Master key terms and definitions for Topic 9.4 of AP Environmental Science – Increases in the Greenhouse Gases to help you prep for quizzes and the AP exam.

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Term

Enhanced Greenhouse Effect (Human-Enhanced Greenhouse Effect)

Definition

Strengthening of the natural greenhouse effect as added greenhouse gases absorb and reemit more outgoing infrared radiation, raising global temperature

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Enhanced Greenhouse Effect (Human-Enhanced Greenhouse Effect)
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Strengthening of the natural greenhouse effect as added greenhouse gases absorb and reemit more outgoing infrared radiation, raising global temperature

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Global Warming
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The long-term increase in Earth’s average temperature

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Global Climate Change
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Global warming and its associated long-term changes in precipitation, circulation, seasons, sea level, and extremes

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Sea-Level Rise
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An increase in ocean level caused principally by added water from melting land ice and the thermal expansion of warming seawater

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Melting Land Ice
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Melting glaciers and land-based ice sheets add water to the ocean and raise sea level, unlike melting floating sea ice

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Thermal Expansion of Seawater
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Warming lowers seawater’s density so the same mass occupies more volume, raising sea level without adding water

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Disease Vector
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An organism, such as a mosquito or tick, that carries and transmits a pathogen between hosts

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Disease-Vector Range Expansion
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Warming allows some vectors to survive at higher latitudes or elevations and remain active longer, potentially expanding disease exposure

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Population Dynamics
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Changes in population size, density, age structure, distribution, births, deaths, immigration, and emigration

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