Use the figures below to estimate the area of the center-pivot irrigation (CPI)

Question

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 green dots on the satellite images. Each dot covers approximately 0.166 km^2 (1/6 km^2). For this question, we will focus on the study area outlined in red in each of the three images. How much land was irrigated in the red square in 1991? How much land was irrigated in the red square in 2000? How much land was irrigated in the red square in 2004? Relate the changes taking place in the study area to an environmental issue of current importance to society.

Explanation / Answer

Use the figures below to estimate the area of the center-pivot irrigation (CPI)

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