In the classroom - Question 1 – Walter Murray and Market Mall comparison

Storm system designers assume: • 90% of rain runs off hard surfaces • 25% of rain runs off gravel surfaces • 10% runs off green surfaces The storm system in the area is a network of pipes that eventually take water to the river. [...] Saskatchewan Environmental Society ©2022 Math Case Study: Surface runoff in Saskatoon 1 How to use the scale: Use the scale on each photo to measure the dimension of the areas. [...] - To convert the lengths from centimetres on the page to meters in real life, multiply cm by the scale factor (m/cm) Storm Systems The major storm system consists of wet and dry The city of Saskatoon has a major and minor ponds. [...] Measure the dimensions of school grounds spaces - Start in one corner of a rectangular space and count the steps it takes to reach the adjacent corner. [...] Calculate the surface areas and compare with the calculated areas from the satellite image.