Sea Level Change Key Question: 1. What are the positive and negative feedback loops for CO2? Key Question: 2. What are the impacts of global temperature.

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Presentation transcript:

Sea Level Change Key Question: 1. What are the positive and negative feedback loops for CO2? Key Question: 2. What are the impacts of global temperature change? Key Words: Global (Eustatic) Sea Level Raised Beaches Drowned Valleys Submerged Forests

Ice Cube Experiment Which will cause the most SL rise? Why? A. Continental Ice B. Sea Ice

Complete worksheet number 1 by answering the questions on file paper. Key Question: 1. What are the positive and negative feedback loops for CO2? Complete worksheet number 1 by answering the questions on file paper. Positive Feedback  Adds CO2 to the atmosphere Negative Feedback removes CO2 to the atmosphere

Positive and Negative Feedback Loops of CO2 (The Carbon Cycle) Options: Volcanoes / Limestone accumulation / Planting Vegetation / absorption of CO2 by seawater / Burning Fossil Fuels / Deforestation Positive Feedback (red) =………………………………………………………….. Negative Feedback (green) = ………………………………………………………

Deforestation Volcanoes Positive and Negative Feedback Loops of CO2 (The Carbon Cycle) Deforestation Burning Fossil Fuels Absorption by ocean Planting Vegetation Volcanoes Limestone Accumulation Options: Volcanoes / Limestone accumulation / Planting Vegetation / absorption of CO2 by seawater / Burning Fossil Fuels / Deforestation Positive Feedback (red) =………………………………………………………….. Negative Feedback (green) = ………………………………………………………

Deforestation Volcanoes Positive and Negative Feedback Loops of CO2 (The Carbon Cycle) Deforestation Burning Fossil Fuels Absorption by ocean Planting Vegetation Volcanoes Limestone Accumulation Options: Volcanoes / Limestone accumulation / Planting Vegetation / absorption of CO2 by seawater / Burning Fossil Fuels / Deforestation Positive Feedback (red) =………………………………………………………….. Negative Feedback (green) = ………………………………………………………

Deforestation Volcanoes Positive and Negative Feedback Loops of CO2 (The Carbon Cycle) Deforestation Burning Fossil Fuels Absorption by ocean Planting Vegetation Volcanoes Limestone Accumulation Options: Volcanoes / Limestone accumulation / Planting Vegetation / absorption of CO2 by seawater / Burning Fossil Fuels / Deforestation Positive Feedback (red) =………………………………………………………….. Negative Feedback (green) = ………………………………………………………

Deforestation Volcanoes Positive and Negative Feedback Loops of CO2 (The Carbon Cycle) Deforestation Burning Fossil Fuels Absorption by ocean Planting Vegetation Volcanoes Limestone Accumulation Options: Volcanoes / Limestone accumulation / Planting Vegetation / absorption of CO2 by seawater / Burning Fossil Fuels / Deforestation Positive Feedback (red) =………………………………………………………….. Negative Feedback (green) = ………………………………………………………

Deforestation Volcanoes Positive and Negative Feedback Loops of CO2 (The Carbon Cycle) Deforestation Burning Fossil Fuels Absorption by ocean Planting Vegetation Volcanoes Limestone Accumulation Options: Volcanoes / Limestone accumulation / Planting Vegetation / absorption of CO2 by seawater / Burning Fossil Fuels / Deforestation Positive Feedback (red) =………………………………………………………….. Negative Feedback (green) = ………………………………………………………

Deforestation Volcanoes Positive and Negative Feedback Loops of CO2 (The Carbon Cycle) Deforestation Burning Fossil Fuels Absorption by ocean Planting Vegetation Volcanoes Limestone Accumulation Options: Volcanoes / Limestone accumulation / Planting Vegetation / absorption of CO2 by seawater / Burning Fossil Fuels / Deforestation Positive Feedback (red) =………………………………………………………….. Negative Feedback (green) = ………………………………………………………

Deforestation Volcanoes Positive and Negative Feedback Loops of CO2 (The Carbon Cycle) Deforestation Burning Fossil Fuels Absorption by ocean Planting Vegetation Volcanoes Limestone Accumulation Options: Volcanoes / Limestone accumulation / Planting Vegetation / absorption of CO2 by seawater / Burning Fossil Fuels / Deforestation Positive Feedback (red) =………………………………………………………….. Negative Feedback (green) = ………………………………………………………

Carbon dioxide levels

Ice Cube Experiment What has happened, why? A. Continental Ice B. Sea Ice

Global Warming impacts: Present day continental ice sheets Greenland Antarctica

Global Warming impacts: Sea Level Rise

Key Question: 2. What are the impacts of global temperature change? Complete worksheet number 2 by answering the questions on the sheet.

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