GEOL 101: Landscapes
GEOL 101: Landscapes 101-017
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This 2 page Class Notes was uploaded by Natalee Stanton on Wednesday April 13, 2016. The Class Notes belongs to 101-017 at University of South Carolina taught by in Winter 2016. Since its upload, it has received 15 views. For similar materials see Geology 101-017 in Geology at University of South Carolina.
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Date Created: 04/13/16
GEOL 101: Tectonic and Climate Interaction Geomorphology – study of landscapes and their evolution Landscapes – are the result of completion between forces that raise the land surface and those that reduce it They represent a balance between tectonic and climate systems Topography – general shape of the land surface of the earth Nothing below sea level Elevation – altitude of a point relate to sea level Contours – lines of equal value o Lines of equal elevation Relief – the difference between the highest and lowest elevation in a particular area o Hillslope relief – decrease in elevation between mountain summits/ridgelines and the pint where channels begin o Tributary relief the elevation decrease along the tributaries o Trunk channel relief – decrease from tributary I. Landforms Examples o Rugged mounts slopes o River floodplains o Desert dons o Mountains and hills Elevated masses rock o Flattopped landforms Plateaus Mesas Tablelands Structurally controlled ridges and valleys o Folded mountains River valleys and bedrock erosion o Fluvial erosion Controlled cliffs o Cuestas – symmetrical ridges formed in titled and eroded rocks of different resistance o Hogbacks – narrow ridges formed in steeply dipping or vertical beds of hard strata Fluvial erosion o Key factors Stream power Slopes and discharge o First stage Gullies and badlands Sample Exam Questions Landforms are the product of____. a. Erosion b. Sedimentation c. Tectonics d. All of the above Which of the following regions has the lowest elevation a. Atlantic sea b. Dead sea c. Death valley d. East African rift Elevation is a balance between a. Erosion and deposition b. Tectonic uplift and erosion c. Deposition and tectonic uplift d. Deposition and isostasy