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<br />II. GEOMORPHIC FACTORS AFFECTING STREAM STABILITY <br /> <br />A. The figure on page 2.4 summarizes geomorphic factors affecting stream <br />stability. Each factor is discussed below. <br /> <br />1. Stream size <br /> <br />a. Flow depth tends to increase with increasing stream size, <br />and the potential for scour increases with increclsing depth, <br />Therefore, potential scour depth increilses with <br />increasing stream size, <br /> <br />b, Lateral erosion potential also increases with increasing <br />stream size. <br /> <br />NOTES: <br /> <br />2.2 <br />