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Prepared By : Name: Michael Cunningham

Date: _____26/03/16_______ ID: 814002732

Supervisor: Dr. Tarick Hosein

Course Co e ! "itle#$%M 2017

Title

March 2016 GEOM 2017 In-term Exam

Title

March 2016 GEOM 2017 In-term Exam

Title

March 2016 GEOM 2017 In-term Exam

Title

March 2016 GEOM 2017 In-term Exam

Title

March 2016 GEOM 2017 In-term Exam

Title

March 2016 GEOM 2017 In-term Exam

Title

March 2016 GEOM 2017 In-term Exam

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Datasets Given:1. DEM of Trinidad [version 1,2 and 3] – Version used-2. Buildin !oot"rint of Trinidad [Version 1 and 2] Version used-3. #iver $a" of Trinidad%. #oad $a" of Trinidad

&. 'rt(o"(oto)*$a e

Objective:

E+tra tion of t. ose"( /aters(ed !ro$ DEM

10 1a

Figure 1 sho ing atershe! extraction "or #i$$sha!e raster atershe! %$e"t&an! 'om(uter Generate! )atershe!s %right&

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Metho!o$og*

+te( 1, !! ./EM 2,ti" $e

+te( 2, O(en rc 3oo$box

+te( 4, O(en +(atia$ na$*st 3oo$s

+te( 5, ctivate Fi$$ too$a *n"ut DEMV2.tif 0 'ut"ut !ill 4

+te( , ctivate F$o /irection 3oo$a *n"ut !ill 40 'ut"ut !lo5dir 4

6li 7 '7

+te( 6, ctivate asin 3oo$a *n"ut !lo5dir 40 'ut"ut Basin 4

6li 7 o7

+te( 7, ctivate F$o ccumu$ationa *n"ut !lo5dir 40 'ut"ut !lo58 4

6li 7 o7te" 9. #i (t li 7 on !lo58 4 la;er

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d

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Metho!o$og* "or Mu$ti($e ing u;er an! +(atia$ na$*sis*n order to identif; all t(e 0uildin s t(at are onsidered vulnera0le toIuvial Ioodin 0ased on t(e follo5in :

a i ( Vulnera0ilit;- 8ll 0uilds t(at are J32$ fro$ t(e $ain

5ater ourse0 Mediu$ Vulnera0ilit;- 8ll 0uildin s 5it( in 1934$ fro$ t(e $ain5ater ourse

i ( Vulnera0ilit;- 8ll 0uildin s 5it( in 3KK4$ fro$ t(e $ain5ater ourse

Figure 2 sho ing bu;er ring obtaine! an! over $a*e! ith bui$!ing sha(e$e

Methodology for multiple bu er ring and intersect te" 1. '"en 8r tool Bo+te" 2. avi ate to "ro+i$it; and li 7 on L si nte" 3. 8 tivate t(e Multi"le #in Bu er tool

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a. *n"ut river distan es J32$, 1934$ and 3KK4$0. 'ut"ut Multi#in Bu 4

te" %. *nterse t t(e $ulti"le rin 0u er reated around t(erivers and t(e 0uildin s(a"e =le "rovided. T(is 5ill assist

in deter$inin t(e uantit; of 0uildin s 5it( a "arti ularlevel of vulnera0ilit;.

8r tool Bo+ 8nal;sis tool *nterse t a *n"ut Multi#in Bu 4 0 'ut"ut MultiBu inter 4

te" &. ;$0olo ; 5as ad usted as seen =t as s(o5n india ra$.

te" K. Csin t(e attri0ute ta0le, t(en sele tin 0; attri0utefeature 5e are a0le to deter$ine t(e 0uildin s 5it(in a

0u er Fone.

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/iscussion :*t 5as deter$ined t(at t(e loser 5e $oved fro$ t(e 0u er t(e lessinIuen e t(e river and 5aters(ed (ad on t(e surroundin road and0uildin . *n t(e =rst $a" 5(ere t(e 0uildin 5it(in t(e 5aters(ed aredis"la;ed, 5e an o0serve t(at residential 0uildin s are onvenientl;lo ated near t(e river 5(i ( 5e 0elieve to 0e a valle; or a lo5 l;in"lane 0et5een t5o (i ( elevations. Traditionall; t(is a o$$on si (tas lo5-l;in area is suita0le for onstru tin (ouses o$"ared to an

area 5(ere t(e slo"eradient is stee". /ean also o0serve

t(at t(ere arene ative e e ts. T(elar e 5aters(eddis"la;s t(e entire

at ($ent area forMara as t. ose"(,

(en e if t(ere is a lar e Io5 rate of 5ater in e+ ess of t(e at ($entarea t(e surroundin infrastru tures 5ill 0e ne ativel; inIuen ed i.e.Ioodin .

*n t(e se ond $a" 5e o0serve t(e 5aters(ed, rivers and roads int(at area. T(ere are areas 5(ere t(e road is over la;ed 0; t(e rivers,t(is indi ated t(at "er(a"s t(ere is "otential of desi n Ia5.

*t an 0e seen t(at t(e lar e $a orit; of t(e 0uildin s are 5it(in t(e(i ( vulnera0ilit; area. 8 $u ( s$aller "ortion is in t(e $ediu$vulnera0ilit; area and a ver; s$all "o"ulation is in lo5 vulnera0ilit;.

Vulnera0ilit; Distan es $

Buildins

8rea of Bu er

i (?ess t(anJ32$ 21,&%K N9.32

Mediu$J32$OPO1934$ K%KJ NN.1

?o51934$OPO3KK4$ 1&% 14J.%9

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T(e $odel s(o5n a0ove s(o5s t(e $et(odolo ; in a "ro ra$ for$at 5(ereea ( tool 5as a""lied to a s"e i= dataset. T(e out"ut =le an 0e seen ast(e reen 0u00les, 5(i ( also 0e o$es t(e in"ut for anot(er tool follo5in it.

T(e tools are s(o5n as t(e ;ello5 re tan les and t(e initial data =le as a0lue 0u00leT(e $odel 5as run to on=r$ 5(et(er or not it fun tioned 5ell.

Cnfortunatel; so$e errors 5ere o0tained even after $an; ad ust$ents andsolution trials 0; trou0les(ootin .

Im(rovements T(e student 5as una0le to =nd t(e "ro"ert; tools and "ro ra$s to s(o5 (o5t(e (ills(ade 5as o0tained. 8lso a s ri"t as seen re uested t(at a in"ut datasour e t(at 5as not availa0le. T(is "ro0le$ ould not 0e re ti=ed.

#eferen e:

(tt"s:))555. isloun e. o$) eodata0ases-e+"lored-ve tor-and-raster-data)

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