6: Water and the Climate
- Page ID
- 50828
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Up to this point in the class, we’ve primarily focused our attention on the Atmosphere – Earth’s Air. It contains the important gases that make life possible on Earth which provide us with oxygen to breathe and fresh drinking water. However, it would be highly inaccurate to claim that the state of the atmosphere – weather (short term) and climate (long term) is dependent only on the atmosphere itself. Instead, the atmosphere constantly influences and is influenced by other major components of the Earth System. We can appreciate this fact by observing a picture of the Earth from space, as shown in Figure \(\PageIndex{1}\).
As we investigate Figure \(\PageIndex{1}\), we realize that in addition to the atmosphere, there are four other major components of the Earth System: The Geosphere (Land), the hydrosphere (water), the biosphere (life), and the cryosphere (ice).
- Based on this information, identify one example of each of the components of the Earth (biosphere, hydrosphere, etc) visible in Figure 5.1.
In the next few labs, we will attempt to understand how the components of the Earth System interact. We will cover topics including the Carbon Cycle, Topography, Land Surface Processes, Ecosystems, and the role of Geophysical calamities, such as Volcanic Eruptions, on the climate. For this investigation, we are going to focus on the Hydrosphere – Earth’s Water and its impacts on Climate.
- Define the phase change of water and how it is a part of the Water Cycle on Earth.
- Examine the effect of latent heat exchange during phase change.
- Compare the effect of warm and cold ocean currents on a region's temperatures.
Investigation 5 has 21 questions in total, and the list is continuous, carrying over from the first to the last subpages of the investigation.
- 6.1: The Water Cycle
- This page emphasizes the importance of water in sustaining life, highlighting its phases and phase changes that drive the water cycle. It covers concepts like latent heat and its influence on climate and weather patterns. Practical examples, such as the Rain Shadow Effect and temperature differences in California due to geographical factors, illustrate these concepts.
- 6.2: Ocean-Atmosphere Interaction
- Water plays a crucial role in Earth's climate through heat absorption and ocean currents. Oceans, covering 71% of the planet, serve as heat reservoirs that stabilize temperatures. We compare the climate impacts of warm and cold currents on U.S. coastal cities like San Francisco and Richmond, highlighting the specific heat of water, which results in minimal seasonal temperature variation.
- 6.3: Accessible Descriptions
- This page provides accessible descriptions for the images in the Investigation.