questions and answers latest top score.
Types of floodplains correct answersRiverine, coastal, and shallow
Watershed correct answersarea that drains into a lake, stream, or body of water. Also
called basin or catchment area.
Channel correct answersGround features that carry water through and out of a watershed
Riverine Flooding correct answersflooding that occurs along a channel
Flash flooding correct answersflooding that occurs in hilly and mountainous areas that may
come scant minutes after a heavy rainfall. One can also occur in urban areas where
pavements and drainage improvements speed runoff to a stream.
Overbank Flooding correct answersThe most common type flooding in the US. It occurs
when downstream channels receive more rain or snowmelt than normal, or a channel is
blocked by ice or debris. Excess water overloads the channels and flows out onto the
floodplain
Velocity correct answersOne measure of a flood is the speed of moving water. Measured
in feet per second
Thalweg correct answersThe channel bottom
Meander correct answersa curve in the channel. The outside bank of the meander is
subject to erosion, the inside bank is subject to deposits
Accrete correct answersto build up a shoreline by depositing sand, either by nature or
human actions
Actual Cash Value correct answersThe replacement cost for a building, minus a
depreciation percentage based on age and condition.
, 2Alluvial Fan correct answersAn area at the base of a valley where the slope flattens out, allo
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wing the floodwater to decrease in speed and spread out, dropping sediment and rock over a
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fan-shaped area. 2 2
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Amendment correct answersA change to a FEMA floodplain map that removes an area that w
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as inadvertently included in the Special Flood Hazard Area
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Approximate studies correct answersFlood hazard mapping done using approximate study m
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ethods that show the approximate outline of the base floodplain. An approximate study does
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not produce a base flood elevation.
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Base Flood Depth correct answersA measurement of the base flood in feet above ground, us
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ed for shallow flooding
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Basement correct answersAny area of the building having its flood subgrade (below ground l
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evel) on all sides 2 2 2 2
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Base floodplain correct answersthe area of water and land inundated by the base flood
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Basin correct answersAlso known as a Watershed, an area that drains into a lake, stream or o
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ther body of water. 2 2 2 2
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Bathymetry correct answersThe measurement of depths of water in the ocean or lakes
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Bench marks correct answersMonuments on the ground that show the elevation of the spot a
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bove sea level. Also called Elevation Reference Marks.
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Building correct answersA walled and roofed structure including a gas or liquid storage tank t
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hat is principally above ground as well as a manufactured home. Also known as structure
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Building Condition Survey correct answersA windshield survey conducted to obtain a prelimi
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nary evaluation of the extent and severity of damage to buildings after a disaster
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CAP correct answersCommunity Assistance Program
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Cfs correct answerscubic feet per second, the unit by which discharges are measured (A cubi
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c foot of water is about 7.5 gallons)
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CLOMA correct answersConditional Letter of Map Amendment
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CLOMR correct answersConditional Letter Of Map Revision
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Closed Basin Lake correct answersA lake that has either no outlet or relatively small one, whe
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re rainfall or groundwater can cause the lake's level to ride faster than it can drain
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Coastal high hazard area correct answersthe part of the coastal floodplain extending from off
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shore to the inland limit of the primary coastal dune along an open coast and any other area s
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ubject to high velocity wave action from storms and seismic sources. Wave heights during the
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base flood will generally be three feet or more in height above the stillwater elevation
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CBRA correct answersThe coastal barrier resources Act which identified undeveloped portio
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ns of coastal barriers
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Community Assistance Program correct answersA FEMA program that funds state activities t
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hat help communities in the NFIP
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Community correct answersA city, county, township, Indian tribe, or authorized tribal organiz
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ation, Alaska Native village or authorized native organization, or other local government with t
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he statutory authority to adopt and enforce floodplain regulations and participate in the NFIP
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