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Stage 4 Water in the World
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Spring comes, then summer, fall and winter and if you are off the planet with a camera looking down at Earth, the seasons seem like breaths. Speed up the imagery, and the planet seems to pulse, like a living thing.
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Where are the world's remaining wild spaces? Benjamin Hennig explores these remaining spots of isolation
GTANSW & ACT's insight:
Great changing cartogram shows seasonal variations in rainfall to challenge student thinking.
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The future calls for fresh thinking about freshwater with businesses and governments collaborating to manage sustainable water use – and avoid a global crisis
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GTANSW & ACT's insight:
Values of water and water scarcity
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Agriculture is both a victim and a cause of water scarcity. Water of appropriate quality and quantity is essential for the production of crops, livestock, and fisheries, as well as for the processing and preparation of these foods and products. Water is the lifeblood of ecosystems, including forests, lakes, and wetlands, on which the food and nutritional security of present and future generations depends. At the same time, agriculture is the largest water user globally, and a major source of water pollution. Unsustainable agricultural water use practices threatens the sustainability of livelihoods dependent on water and agriculture. Additionally, climate change will have significant impacts on agriculture by increasing water demand, limiting crop productivity, and reducing water availability in areas where irrigation is most needed or has a comparative advantage. A growing number of regions will face increasing water scarcity. Climate change will bring greater variation in weather events, more frequent weather extremes, and new challenges requiring the sector to take mitigation and adaptation actions.
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India wants to use more water from rivers it shares with Pakistan as tensions deteriorate.
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“ Ships are suspected of dumping waste upstream on China’s Yangtze river before it floats into a key city reservoir”
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The island nation has little water of its own but is determined to shed a reliance on water imports. One key is water recycling, alongside desalination and catchment.
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The Ganga is a river, it flows. But wait, stories that abound through ancient Indian history, talk of its descent from another realm. How did a river do that?
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Here are some tips on how to protect yourself during an electrical storm.
GTANSW & ACT's insight:
Atmospheric hazards - storms
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In the slums of Lima, he's found a way to turn fog into water.
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Information on issues than can have an impact on the River Murray's health.
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Thundersnow is a rare weather phenomenon which looks set to make an appearance in the UK over the next couple of days
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The Mississippi Watershed is the largest drainage basin in North America at 3.2 million square kilometers in area. The USGS has created a database of this area which indicates the direction of waterflow at each point.
GTANSW & ACT's insight:
Syllabus links The water cycle Students investigate how the operation of the water cycle connects people and places, for example:
Geoworld 8 NSW Chapter 1: Water resources and processes 1.5 Water cycle: Flows and storages 1.7 Sydney Harbour catchment (Comparative study)
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This dramatic video choreographed to powerful music introduces the viewer/student to the wonder and miracle of water. Via Geography Teachers' Association of Victoria Inc. (GTAV)
Geography Teachers' Association of Victoria Inc. (GTAV)'s curator insight,
October 10, 2013 4:25 AM
A great introduction to water. 
Lilydale High School's curator insight,
September 30, 2016 1:48 AM
Good hook for Yr 7 students starting Water Unit.
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From
ed
Fresh water accounts for only 2.5% of Earth's water, yet it is vital for human civilization. What are our sources of fresh water? In the first of a two part series on fresh water, Christiana Z. Peppard breaks the numbers down and discusses who is using it and to what ends.
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This interactive map documents where 443 million people around the world get there water (although the United States data is by far the most extensive). Most people can't answer this question. A recent poll by The Nature Conservancy discoverd that 77% of Americans (not on private well water) don't know where their water comes from, they just drink it. This link has videos, infographics and suggestions to promote cleaner water. This is also a fabulous example of an embedded map using ArcGIS Online to share geospatial data with a wider audience.
Tags: GIS, water, fluvial, environment, ESRI, pollution, development, consumption, resources, mapping, environment depend, cartography, geospatial.
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Examining humanity's relationship to one of the most basic, and precious, natural resources - the causes of water scarcity extend beyond a lack of rainfall
GTANSW & ACT's insight:
Syllabus links Students investigate the nature of water scarcity and ways of overcoming it, for example:
Geoworld 8 NSW Chapter 3: Water scarcity; mature, causes, extent and management 3.1 Water scarcity and management strategies 3.2 wAter scarcity in Africa 3.10 Polluted water accelerates water scarcity 3.12 Dangerous chemicals reduce water scarcity 3.16 Sanitation reduces water scarcity
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There are so many countries whose water consumption will reach a crisis point soon. Here's a look at few of them.
GTANSW & ACT's insight:
Water scarcity - causes / factors influencing
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The Gibe III dam has the capacity to double the country’s electricity output at the flick of a switch
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Stretching from Cape York in the north, down to Dubbo and across to Coober Pedy, the Great Artesian Basin covers almost a quarter of the Australia
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Countries such as Australia, Brazil and Japan have employed an interesting solution to protecting reservoirs that also generates power: floating solar panels.
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From
www
Residents in the Mathare slum area of Kenya's capital, Nairobi, are now able to access water through an ATM-style dispenser. Via oyndrila
oyndrila's curator insight,
June 24, 2015 6:40 AM
This could be a way to end economic water scarcity. Such a project could be implemented in squatter settlements of cities like Mumbai and other cities of the developing world.
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The move is largely designed to keep corporations away from the country's precious drinking water supplies.
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