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GEOG101Assessment - n/a
University: Bowie State University
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Name:__________________________
Physical Geography GEOG 101
Altering Our Environment
Overview
Visit the UN Atlas of Our Changing Environment website to read about an irrigation project in
Al’Isawiyah, Saudi Arabia (30N, 38.2E). URL http://na.unep.net/atlas/webatlas.php?id=107
Instructions
Answer the following three questions in a typed response. Submit your file online using the
Blackboard website. Each question will be graded “credit” or “no credit” depending on your
ability to answer the questions completely using scientific terms and concepts from class.
Answers that do not meet criteria will receive no credit.
1. In two paragraphs, first describe what changed in this location, and then explain how these
changes are likely to affect the local climate or water resources.
2. Use the figures below to estimate the area of the center-pivot irrigation (CPI) fields in 1991,
2000, and 2004. CPI-irrigated fields appear as circles on the satellite images. Each circle
covers approximately 0.166 km2 (1/6 km2). For this question, we will focus on the study
area outlined in black in each of the three images.
a. How much land was irrigated in the black square in 1991? ________km2
b. How much land was irrigated in the black square in 2000? ________km2
c. How much land was irrigated in the black square in 2004? ________km2
1991
2000
2004
3. Explain how the changes taking place in the study area are related to an environmental issue
of current importance to society.
4. Modify the procedure that was used here to study irrigation in Saudi Arabia in order to create
your own step-by-step procedure for studying the growth of Baltimore over time. (You don’t
need to USE this procedure; just describe it.)