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Floodplain risk analysis using flood...

Smemoe, Christopher M.

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Floodplain risk analysis using flood probability and annual exceedance probability maps.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Floodplain risk analysis using flood probability and annual exceedance probability maps./
Author:	Smemoe, Christopher M.
Description:	267 p.
Notes:	Source: Dissertation Abstracts International, Volume: 65-01, Section: B, page: 0343.
Contained By:	Dissertation Abstracts International65-01B.
Subject:	Engineering, Civil. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3119324
ISBN:	0496667222

Floodplain risk analysis using flood probability and annual exceedance probability maps.
Smemoe, Christopher M.

Floodplain risk analysis using flood probability and annual exceedance probability maps. - 267 p.

Source: Dissertation Abstracts International, Volume: 65-01, Section: B, page: 0343.

Thesis (Ph.D.)--Brigham Young University, 2004.

This research presents two approaches to determining the effects of natural variability and model uncertainty on the extents of computed floodplain boundaries. The first approach represents the floodplain boundary as a spatial map of flood probabilities---with values between 0 and 100%. Instead of representing the floodplain boundary at a certain recurrence interval as a single line, this approach creates a spatial map that shows the probability of flooding at each point in the floodplain. This flood probability map is a useful tool for visualizing the uncertainty of a floodplain boundary. However, engineers are still required to determine a single line showing the boundary of a floodplain for flood insurance and other floodplain studies. The second approach to determining the effects of uncertainty on a floodplain boundary computes the annual exceedance probability (AEP) at each point on the floodplain. This spatial map of AEP values represents the flood inundation probability for any point on the floodplain in any given year. One can determine the floodplain boundary at any recurrence interval from this AEP map. These floodplain boundaries include natural variability and model uncertainty inherent in the modeling process. The boundary at any recurrence interval from the AEP map gives a single, definite boundary that considers uncertainty.

ISBN: 0496667222Subjects--Topical Terms:

783781
Engineering, Civil.

Floodplain risk analysis using flood probability and annual exceedance probability maps.
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035 $a (UnM)AAI3119324
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100 1 $a Smemoe, Christopher M. $3 1928063
245 1 0 $a Floodplain risk analysis using flood probability and annual exceedance probability maps.
300 $a 267 p.
500 $a Source: Dissertation Abstracts International, Volume: 65-01, Section: B, page: 0343.
500 $a Adviser: E. James Nelson.
502 $a Thesis (Ph.D.)--Brigham Young University, 2004.
520 $a This research presents two approaches to determining the effects of natural variability and model uncertainty on the extents of computed floodplain boundaries. The first approach represents the floodplain boundary as a spatial map of flood probabilities---with values between 0 and 100%. Instead of representing the floodplain boundary at a certain recurrence interval as a single line, this approach creates a spatial map that shows the probability of flooding at each point in the floodplain. This flood probability map is a useful tool for visualizing the uncertainty of a floodplain boundary. However, engineers are still required to determine a single line showing the boundary of a floodplain for flood insurance and other floodplain studies. The second approach to determining the effects of uncertainty on a floodplain boundary computes the annual exceedance probability (AEP) at each point on the floodplain. This spatial map of AEP values represents the flood inundation probability for any point on the floodplain in any given year. One can determine the floodplain boundary at any recurrence interval from this AEP map. These floodplain boundaries include natural variability and model uncertainty inherent in the modeling process. The boundary at any recurrence interval from the AEP map gives a single, definite boundary that considers uncertainty.
520 $a This research performed case studies using data from Leith Creek in North Carolina and the Virgin River in southern Utah. These case studies compared a flood probability map for a certain recurrence interval with an AEP map and demonstrated the consistency of the results from these two methods. Engineers and planners can use floodplain probability maps for viewing the uncertainty of a floodplain boundary at a certain recurrence interval. They can also use AEP maps for determining a single boundary for a certain recurrence interval that considers all the natural variability and model uncertainty inherent in the modeling process.
590 $a School code: 0022.
650 4 $a Engineering, Civil. $3 783781
650 4 $a Hydrology. $3 545716
690 $a 0543
690 $a 0388
710 2 0 $a Brigham Young University. $3 1017451
773 0 $t Dissertation Abstracts International $g 65-01B.
790 1 0 $a Nelson, E. James, $e advisor
790 $a 0022
791 $a Ph.D.
792 $a 2004
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3119324