1. Isolines connect points of equal value. For example, contour lines connect points of equal elevation on a topographic

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1 Isolines Connect Points Of Equal Value For Example Contour Lines Connect Points Of Equal Elevation On A Topographic 1 (45.52 KiB) Viewed 116 times

1. Isolines connect points of equal value. For example, contour lines connect points of equal elevation on a topographic map. Isotherms connect points of equal temperature on a weather map. Keeping in mind the following characteristics of isolines, draw the correct contour lines on the figure below (use a 20-meter contour interval, starting with the 60 meter contour line): a. Isolines have a specific value. They separate those areas with values higher than the isoline from those areas with values lower than the isoline. b. Isolines are always closed lines, although isolines may not all close on the same map. Closed isolines on a single map often represent high points on the map. C. Isolines represent gradients, so they can never split, touch or cross (with a few rare exceptions, such as overhanging rock formations on topographic maps). d. Widely spaced isolines represent gentle gradients or slopes, while closely spaced isolines represent steep gradients or slopes. 6 Points (68) (101) х (81) x (100) (94) (86) * X (119) х (54) (144) х (104) х (93) * X (111) (100) (132) (129) * (55) (88) (92)