Large hydropower facilities
What changes occur along rivers as a result of the construction of large hydropower facilities?
Entries by Daphne Hanson
Soil-moisture utilization and soil-moisture recharge
What is the difference between soil-moisture utilization and soil-moisture recharge? Explain these concepts in terms of capillary water, field capacity, and wilting point. (
Potential evapotranspiration
What is potential evapotranspiration? How do we go about estimating this potential rate?
Earth’s water, both oceanic and fresh.
. Describe the locations of Earth’s water, both oceanic and fresh. What is the largest repository of fresh water at this time? In what ways is this distribution of water significant to modern society?
Major landforms
What major landforms (e.g., desert, plains, rainforest) are found in the country?
Malnutrition in Subsaharan Africa
Why is there so much malnutrition in Subsaharan Africa?
Data for science and conservation
What are some potential advantages of having long records with regularly-connected data for science and conservation? Why is it an advantage to use the same (or very similar) instruments across time?
Greenhouse gases
How do greenhouse gases heat up Earth’s troposphere?
Radiating temperature
The effective radiating temperature of the Earth is about 255 OK. Assuming a mean tropospheric lapse rate of 5.8°C/km: a. At what altitude do most of the emitted radiation derive from?
Cultural subsystems
Explain the three types of cultural subsystems with examples.
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