UGA GEOG 1111 Final Exam ReviewQuizzes And Answers Latest 2024

the science of water at and below the Earth's surface - Answer-Hydrology Processes that are related expressly to streams and rivers - Answer-Fluvial The term _____ is applied to the trunk or main stream of the network of tributaries forming a ________. - Answer-river; river system Every stream has its own __________ _____, or __________, ranging in size from tiny to vast. - Answerdrainage basin; watershed sheetflow --->rills --->gullies - Answer-drainage divides High ground that separates one valley from another and directs sheet flow - Answer-interfluve Extensive mountain and highland regions act as _________ that separate major drainage basins. - Answer-continental divides Some regions, such as the Great Salt Lake Basin, have ______________ that does not reach the ocean, the only outlets being evaporation and subsurface gravitational flow - Answer-internal drainage determined by the number and length of channels in a given area and is an expression of a landscape's topographic surface appearance - Answer-drainage density steepness, variable rock resistance, variable climate, hydrology, relief of the land,and structural controls imposed by the landscape - Answer-drainage pattern depends on: dendritic trellis radial parallel rectangular deranged - Answer-types of drainage patterns (6): the slope, or the stream's drop in elevation per unit distance rise/run; usually measured in m/km or f/mi - Answer-gradient of a stream the level below which a stream can't erode its valley (sea level) - Answer-ultimate base level A _______ is a natural local base level; the ______ behind a dam is a human-caused local base level. - Answer-river/lake; reservoir A stream's volume of flow per unit of time (Q=wdv) q=discharge w= channel width d=channel depth v=stream velocity - Answer-discharge High potential evapotranspiration rates in arid regions can cause discharge to decrease with distance downstream, a process that is often exacerbated by water removal for irrigation - Answer-exotic streamIn streams where friction is high, as in a section of rapids, _________ occurs - Answer-turbulent flow In deep, lowland rivers, where the flow has less contact with the bed and banks and the channel has fewer obstacles that create roughness, ______ is reduced. - Answer-friction flow all year, fed by snowmelt, rainfall, groundwater, or some combination of those sources. - Answer-Perennial streams