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CFM EXAM STUDY GUIDE
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CFM EXAM STUDY GUIDE
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CFM EXAM STUDY GUIDETypes of floodplains - Answers- Riverine, coastal, and shallow
Watershed - Answers- area that drains into a lake, stream, or body of water. Also called
basin or catchment area.
Channel - Answers- Ground features that carry water through and out of a watershed
Riverine Flooding - Answers- flooding that occurs along a channel
Flash flooding - Answers- flooding 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.
Base floodplain - Answers- the area of water and land inundated by the base flood
Basin - Answers- Also known as a Watershed, an area that drains into a lake, stream or
other body of water.
Bathymetry - Answers- The measurement of depths of water in the ocean or lakes
Bench marks - Answers- Monuments on the ground that show the elevation of the spot
above sea level. Also called Elevation Reference Marks.
Building - Answers- A walled and roofed structure including a gas or liquid storage tank
that is principally above ground as well as a manufactured home. Also known as
structure
Building Condition Survey - Answers- A windshield survey conducted to obtain a
preliminary evaluation of the extent and severity of damage to buildings after a disaster
CAP - Answers- Community Assistance Program
Cfs - Answers- cubic feet per second, the unit by which discharges are measured (A
cubic foot of water is about 7.5 gallons)
CLOMA - Answers- Conditional Letter of Map Amendment
CLOMR - Answers- Conditional Letter Of Map Revision
Closed Basin Lake - Answers- A lake that has either no outlet or relatively small one,
where rainfall or groundwater can cause the lake's level to ride faster than it can drain
, Coastal high hazard area - Answers- the part of the coastal floodplain extending from
offshore to the inland limit of the primary coastal dune along an open coast and any
other area subject to high velocity wave action from storms and seismic sources. Wave
heights during the base flood will generally be three feet or more in height above the
stillwater elevation
CBRA - Answers- The coastal barrier resources Act which identified undeveloped
portions of coastal barriers
Community Assistance Program - Answers- A FEMA program that funds state activities
that help communities in the NFIP
Community - Answers- A city, county, township, Indian tribe, or authorized tribal
organization, Alaska Native village or authorized native organization, or other local
government with the statutory authority to adopt and enforce floodplain regulations and
participate in the NFIP
Conditional Letter of Map Amendment (CLOMA) - Answers- A statement from FEMA
that is a project is constructed as planned, a LOMA can be issued later
Conditional Letter of Map Revision (CLOMR) - Answers- A statement from FEMA that is
a project is constructed as planned, a LOMR can be issued later.
Contour Map - Answers- A topographic map that shows points with the same elevation
as connected by a contour line.
Contour - Answers- A line of equal elevation on a topographic map
Overbank Flooding - Answers- The 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 - Answers- One measure of a flood is the speed of moving water. Measured in
feet per second
Thalweg - Answers- The channel bottom
Meander - Answers- a curve in the channel. The outside bank of the meander is subject
to erosion, the inside bank is subject to deposits
Accrete - Answers- to build up a shoreline by depositing sand, either by nature or
human actions
Actual Cash Value - Answers- The replacement cost for a building, minus a
depreciation percentage based on age and condition.
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