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BGSU GEOL 1040 - Stream Profiles
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Geol 1040 1st Edition Lecture 29Outline of Last Lecture I. Effects of stream locationa. Gradientb. Dischargec. Channel Roughnessd. SizeOutline of Current Lecture II. Stream Profilesa. Definitionb. Creating onec. DischargeIII. Factors that control stream profilesa. Rock typeb. Plate tectonicsc. Sea leveld. ClimateCurrent LectureII. Stream Profilesa. Definitioni. The description of a stream from the head water (mountain) to mouth (usually where it empties into a lake).b. Creating onei. Take a specific point of a streamii. Get elevationiii. Plot a cross section1. Typically more broadc. Dischargei. Increases when going down streamIII. Factors that control stream profilesa. Rock typei. Some erode faster than othersii. If it is easy to erode its known as uniformb. Plate tectonicsThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.i. Is the land being pulled apartii. Subsidence1. Land Sinking a. Less steep gradientb. Slower water speedsc. Increases deposition2. Uplift in head watersa. Steeper gradientb. Faster waterc. More erosion c. Sea leveli. Higher sea levelsii. Stream level drops = lower base1. LEVEL= stream level cuts with more erosioniii. Sea level rise= raises base1. Level = stream erodes inland and deposits near mouthd. Climatei. Streams respond to increases and decreases in precipitation and changes in


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BGSU GEOL 1040 - Stream Profiles

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