water Flashcards
(22 cards)
why is there uncertainty around future droughts and water
unable to make confident forecasts availability of water
why even if scientists could predict the forecast would be useless
possible advances in water technology and factors related to demand side such as population growth and rising tide of global development
factors that lead to demising water supply and uncertainty
more frequent cyclones and monsoon events
increase annual temperature lead to greater evaporation from surface water and reservoirs in summer
decreasing rainfall
depleted aquifers problems with groundwater
Conditions of LA NINA
severe drought conditions, western coast of South America
hot and wet in Australia
cold and dry South Americ
EFFECTS OF LA NINA
strong air circulation
warm water moving east to west
Explain LA NINA
the build up of cooler than usual sub surface water in the tropical part of the Pacific
more extreme than normal
NORMAL CONDITONS IN PACFIC OCEAN
rade winds blow from east to west along the equator
air pushes warm water west
thermocline upwelling
rain clouds forms by warm, moist air rising cools and condenses
hot and wet in Australia
cold and dry in South America
Conditions during El Niño
air circulation is reversed
trade wind pattern is disrupted may even slacken which can affect the ocean currents
south coast of america is worm
EL NINO around the world
warm water replaces the cool water around Peru
cooler water then replaces the warm water at Austrailia and Indonesia
where has conflict occurred within a country
Colorado River
why was their conflict in Colorado
Upper basin states such as New Mexico, Wyoming
as they grow their crops
what did the law suggest in the Colorado river
divided the river into Upper base states who had responsiblily to supply the lower states
what changed the treaties on Colorado river
population, industry and climate
where does the nile flow
south to north
why is their conflict on the nile - north countries
water for recreational use and want more water due to tourism, development and population growth
conflict for the southern countries
to be able to survive
what does the Colorado river separate
Mojave and the Sonoran in Arziona
why may conflict arise on the Colorado river
one state getting more than the other, disputes between states
Arizona v California
Arizona felt the need to protect its right against upstream greed
califrona was growing fast and in need of water to supply its cities and intensive agriculture
when may conflict come up on the nile
countries in the south put a dam restricting water flow, Egypt would go to war to destroy the dam and get their water
impacts of privatisation of water
riots
important people dying
can’t afford water
can’t collect rainwater
how many people on the nile
2017 -300 million
