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59 Cards in this Set
- Front
- Back
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how are tides produces
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by gravitational relations btw the sun, moon, and earth
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parallel to wind, variable winds, abundant sand supply
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transverse
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crescent shaped with horns downwind, constant wind direction, limited sand supply
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barchan
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arms anchored by veg. constant wind direction limited sand supply partially stable, multiple slip faces
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parabolic
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strong winds that shift in all directions, mult. slip faces, abundant sand supply
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star
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dry channel with water only durring storms
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arroyo
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ephemeral lake
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playa
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dune on downwind side of playa
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lunette
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expansion of deserts bc of poor ag. water mang. overgrazing, and climate change
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desertification
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portion of crust that interacts with waves is known as
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littoral zone
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produced by gravitationalrelations btw sn moon and earth
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tides
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earth rotates in and out of two tideal bulges
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gravitational pulls
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water molecules generally don't move far as a result of waves and therefore move in a circular motion called
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waves of transition
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the change of waves moving in circular motion to elliptical motion
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waves of translation
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Sudden displacement of water as a result of an EQ or landlside
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tsunami
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Temporary raising of sea level becasue of storm winds pushing water onshore
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strom surge
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waves hit beach at angle, creat current parallel to beach in same direction of waves coming in
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longshore current
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movement of sand by longshore current is
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littoral drift
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vertical portion of beach face
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sea cliff
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remains of more resistant rx whcih are not connected to sea cliffs
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sea arch or sea stack
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cave at tide level
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sea cave
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horizontal bench cut in tidal zone by waves
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wave cut terrace
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material deposited in a long ridge extending out form the coast
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barrier spit
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when a barrier spit completely cuts off the bay from the ocean
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bay barrier
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when a spit connects the mainland with an island or sea stack
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tombolo
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the pt at where the river enters the ocean/fresh seawater mix
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estuary
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bay cut off from ocean by bay
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lagoon
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small u shaped beach surrounded by sea cliffs
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pocket beach
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areas with satuarted soild
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wetlands
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coastal wetlands located> 30' lat
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salt marshes
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coastal wetlands located <30 lat
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mangrove swamps
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the measure of dissolved solids in warer
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salinity
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ocean is stratified by temp with only very small %
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mixing zone
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Major circulation in ocean that bring warm water to N. Atlantic
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Thermohaline circulation
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Small marine animal that secretes calcium carbonate
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coral
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Three stages of coral development
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fringe, barrier reef and atoll
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reef growing on portions of volcanic island
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fringe
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surrounding most of volcanic island
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barrier reef
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small u shaped beach surrounded by sea cliffs
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pocket beach
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areas with satuarted soild
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wetlands
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coastal wetlands located> 30' lat
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salt marshes
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combine with clay particle and from soil colloids
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humus
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root penetration, activitiy of inscets worms
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biological processes
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passive processes
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parent material, topography and slope, time
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parent material
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what you start with
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topography and slope
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steep slope is hard to form soil...
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time
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required for all processes
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O layer
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upper most. slightly decomposed organic material
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A layer
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mineral, dark rich humus (weathered.decomposed organic matter)
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E layer
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generally light coloring location of ELUVIATION
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B layer
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usually brown (reddish) the bulk of the most profiles location of ILLUVIATION
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C layer
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slightly weathered parent material
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R-layer
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parent material
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Aridisols
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arid climate, low fert
No O layer, A-thin, E-thin, B calium carbonate |
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Mollisols
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praire or grassland- high fert. O-very thin w/ rapid decomposition or organic matter, A-well developed thick, B- illuvial clays, calcium carbonate layer at drier sites
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Alfisols
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deciduous forest, humid
O-tree litter, A= moderately thick, E-present at wetter sites, B-clays with iron |
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Spodosols
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humid, coniferous forests, less fert than alfisols
O-tree needles, forest litter A- thin or absent E-well develped B-clays with iron and aluminum |
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Oxisols
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tropical, rapid breakdown of organic and mineral material, low fert
O-almost absent A-dark red (iron/aluminum) B-red, very thick |
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Gelisols
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frozen soils
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