People And The Biosphere Flashcards
What are the three main air cells?
Polar cells - furthest from the equator
Ferrel cells - between the poles and the equator
Hadley cells - near the equator
What is atmospheric circulation?
Global Atmospheric Circulation is the movement of air around the planet. It explains how thermal energy and storm systems move over the Earth’s surface.
What does descending air mean?
No condensation
Tropical deserts
What is subsistence farming?
Only farming what you need to survive, so you can’t sell any of it
What is the difference between goods and services?
Goods are physical objects that can be sold to people
Services are the important impacts something has on the environment, which is not always recognisable
What was Day 0?
In 2018, it was a point when Cape Town thought it would run out of water, but they managed to save enough water
What is the Boserupian Theory?
The theory developed by Esther Boserup that a rising population would lead to shortages. But it would stimulate the innovation needed to save it
What was the Green Revolution in India?
India’s plan to become self-sufficient with food production
