The World of WaterThe World of WaterWelcome toWelcome to

SOS 2007

Dr. James Bonczek

SOS 2007

Instructor: Dr. James Bonczek, Soil and Water Science DepartmentG169 McCarty Hall A

Phone: 352-392-1951 ext. 249 or 262-6011 e-mail: bonczek@ifas.ufl.edu

Office Hours: Monday and Wednesday, 2:00-3:00 p.m. Tuesday, 11:00-12:00 p.m.

Website: http://soillab.ifas.ufl.edu

This is an introductory course intended to acquaint students with many of the essential roles of water in the environment. Topics range from fundamental properties of water to the importance of water and water quality to society. Course topics also will includewater in oceans, lakes, rivers, soils, and the atmosphere as well as the importance of water in various environmental processes.

Syllabus

Grading:

Exam I 200 points 20%Exam II 200 points 20%Exam III 200 points 20%Exam IV 200 points 20%Lecture Questions 100 points 10%Homework 100 points 10%Total 1000 points 100%

Scale: 900-1000 A; 850-899 B+; 800-849 B; 750-799 C+; 700-749 C; 650-699 D+; 600-649 D

Using Water

Guilty PleasuresGuilty Pleasures

http://www.youtube.com/watch?v=vMITcQUe-9M

http://ga.water.usgs.gov/edu/sacsq.html

How much water do you use?

Click on link and go to: How much water do you use at home on a typical day?

UseGallons per Capita

Percentage of Total Daily Use

Showers 12.6 17.3%

Clothes Washers 15.1 20.9%

Dishwashers 1.0 1.3%

Toilets 20.1 27.7%

Baths 1.2 2.1%

Leaks 10.0 13.8%

Faucets 11.1 15.3%

Other Domestic Uses

1.5 2.1%

Water Usage

74 gallons Total

How do you conserver water?

Peanuts

Domestic water use: 15%Industrial water use: 15%Irrigation water use: 70%

1 pound of Rice 650 gallons 4800 pounds1 pound of Wheat 130 gallons 1000 pounds1 pound of Sugar 400 gallons 3000 pounds1 pound of coffee 2650 gallons 10 tons

1 beer: 66 gallons

Secondary Water

Grain Livestock

¼ pounder

Quart of milk

Pound of cheese

3000 gallons 11 tons

1000 gallons >3 tons

650 gallons 2.5 tons

CarnivoresVegetarians

Yearly Totals

Total water: 50 – 100 tons

Drinking water: 250 - 300 gallons

Americans drink more than 1 billion glasses of tap water per day. In some cases, 50 to 70 percent of home water is used outdoors for watering lawns and gardens.

Average household water use annually: 127,400 gallons

Average daily household water use : 350 gallons

Factoids

It takes about 4,776 gallons of water to raise a Christmas tree. To raise the 35 million Christmas trees U.S. families enjoy each year, a total of 167 billion gallons is required.

If mothers refresh their floral arrangements and flowering plants during the Mothers' Day week, they will use 2,835,000 gallons of water.

After Thanksgiving dinner in 1999, 16.4 million Americans watched football. At halftime, American toilets flushed 16.4 million times and used 48.5 million gallons of water.

In 2006 an estimated 80 million people watched the Superbowl with similar results, using 236 million gallons.

Factoids

Water is the only substance on earth which comes in three different forms; liquid, solid and a gas.

Water dissolves more substances than any other liquid.

Over 36,000 dams have been built to provide hydroelectric power, drinking water, irrigation, industrial supplies and control floods.

1.2 billion people are at risk from drinking contaminated water.

If 4% of the world's military expenditures (36 billion dollars) was saved each year, all of humanity would have clean drinking water and a sanitary way of disposing waste.

The Hydrologic cycle uses more energy in one day than humankind has created throughout it's entire history.

Factoids

Next: The Origins of Water