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Lecture

GG101 Lecture Notes - Soil Texture, Field Capacity, Surface Tension


Department
Geography
Course Code
GG101
Professor
James Hamilton

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GG Week 9 Lecture 1
Attribution
What is responsible for the ongoing climate change?
o Climate change is influenced by human activities and natural processes (e.g. solar
variations, volcanic eruptions, ocean heat exchange)
Most is attributed to human activities
Consequences, Examples
Sea level
Next Steps - read in textbook
Action Anyone?
o Rio
o Kyoto
o Copenhagen
No global agenda on addressing this problem
Response
o Adaption, mitigation, conservation
Hydrologic Cycle, Soil Moisture (pages 234 - 246 in textbook)
1) Introduction
Hydrology
o study of the distribution of water in all its forms
atmospheric moisture
groundwater
surface water
soil moisture
snow and ice
2) Hydrologic Cycle
Model showing the distribution and movement of water in the earth atmosphere system
(fig 9.1)
Stores
o Oceans, ice sheets, groundwater, soil moisture, fresh surface, saline surface,
atmosphere (% of each? figure 7.3)
Processes (Linkages)
o Evaporatranspiration
o Evaporation
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