tugas mata kuliah geomorfologi creeping

7/25/2019 Tugas Mata Kuliah Geomorfologi Creeping

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TUGAS MATA KULIAH GEOMORFOLOGI

HUBUNGAN OBYEK SURVEY GEOMORFOLOGI TERHADAP BENCANA GEOLOGI

Oleh :

RIZKI PURWINANTO

115.140.004

PROGRAM STUDI TEKNIK GEOFISIKA

FAKULTAS TEKNOLOGI MINERAL

UNIVERSITAS PEMBANGUNAN NASIONAL VETERAN

YOGYAKARTA

2015

TUGAS MATA KULIAH GEOMORFOLOGI


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Pemicu : Huu!"#! O$%& Su'(%$ G%)*)'+),)"- T%'.#/# B%!#!# G%),)"-

1. Bencn Tnh Me!"# (Creeping)

Ge!$n #e!"#n %nh &Soil Creeping' me!u#$n (u%u #!)(e( #e!#in*hn

m( +%un %u %nh $i+% ," +e!% &,!-i%(i'. Bencn %nh me!"# *#%

*i$%e,)!i$n *lm +encn %nh l)n,()! hn" (/ #!)(e( $e/*inn" +e!/ln

lm+%. L)n,()!n %nh %elh lm men/*i #e!h%in hli ,e)l),i $!en *m#$n"

+n"$ menim+ul$n $)!+n /i mu#un $e!u,in h!% +en*. Ti*$ /!n,

#emu$imn "n, *i+n,un *i (e$i%! #e!+u$i%n $u!n, mem#e!h%i$n m(lh

$e(%+iln le!en, (%!u$%u! +%un *n #!)(e(#!)(e( ,e)l),i "n, %e!/*i *i $(n

%e!(e+u% (ehin,, (ec! %i*$ (*! #)%en(i +h" l)n,()!n %nh (e%i# (%

men,ncm /in". R"#n Tnh *lh /eni( %nh l)n,()! "n, +e!,e!$ lm+%.

2eni( %nhn" +e!u# +u%i!n $(! *n hlu( /eni( %nh l)n,()! ini hm#i! %i*$ *#%

*i$enli. Se%elh $%u "n, cu$u# lm l)n,()! /eni( !"#n ini +i( men"e++$n

%in,%in, %ele#)n #)h)n %u !umh mi!in, $e +h.

menu!u% 3i"n%) &00' %nh l)n,()! *lh (u%u /eni( ,e!$n %nh

umumn" ,e!$n %nh "n, %e!/*i *lh l)n,()! +hn !)m+$n &debrisavalanches)*n nen*%n (slumps/rotational slides'. G"," ,!-i%(i *n !em+e(n

&seepage' me!u#$n #en"e++ u%m $e%i*$(%+iln &instability' #* le!en, lmi

mu#un le!en, "n, *i +en%u$ *en,n c! #en,,lin %u #enim+unn.

Gm+! 1. i(uli((i Tnh Me!"#


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Be!*(!$n 3i!e$%)!% Ge)l),i T% Lin,$un,n &1671' 8$%)!8$%)! #en"e++

%e!/*in" %nh l)n,()! n%! lin *lh (e+,i +e!i$u% :

. T)#),!8i %u le!en,

+. Ke*n %nh %u +%un

c. 9u!h hu/n %u $ei!n

*. Gem# %u ,em# +umi

e. Ke*n -e,e%(i %u hu%n *n #en,,unn lhn.

A%& Y#!" M%*%!"#'u.- 3%!-

T)#),!8i Le!en, !el%i8 cu!m

Li%)l),i B%unl#i(npermeable

9u!h Hu/n Se*n,%in,,i

Te$n)ni(me Te$%)ni$ $i8 &%i*$ +e,i%u %e!lih%'e,e%(i M")!i%( %nmn +e!$! (e!+u%

3!i %+le *i%( *#% *im%i +h :

1. T)#),!8i "n, +e!#e!n #* +encn %nh me!"# *lh $)n*i(i $ele!en,n

"n, !el%i8 cu!m. G" ,!-i%(i *e!h *en,n le!en, cu!m %en%u $n +n"$

+e!#en,!uh #* #e!,e!$n %nh.

. A(#e$ li%)l),i #* $(u( +encn %nh me!"# umumn" *lh +%unl#i(n

#e!me+le "i%u +%un "n, mm#u men"im#n i! (ehin,, +il menc#i %i%i$

/enuh $)n*i(i creeping$n (em$in ce#% %e/*i.;. 9u!h hu/n *lh (lh (%u 8$%)! #en%in, #* ,e/l %nh me!"# "n,

+e!#e!n *lm menin,$%$n %i%i$ $e/enuhn %nhl#i(n.

4. Te$%)ni(me (e+,i (lh (%u 8$%)! m)!8)(%!u$%u! $%i8 +e!#e!n (n,% +e(! #*

$(u( +encn %nh me!"# hn" (/ #!)(e( #e!,e!$nn" +e!/ln !el%i8

lm+%. Sehin,, #en,m%n #e!,e!$n %nh hn" *#% *im%i *!i ,e/l

#em+el)$n -e,e%(i.

5. F$%)! -e,e%(i "n, +e!#en,!uh *lh -e,e%(i *en,n $)n*i(i $! (e!+u% hl ini

%e!/*i $!en $)n*i(i $! %i*$ *#% menun/m hin,, $e l#i(n +%un &hn" *i

+,in topsoil'. Sehin,, ()il %i*$ mm#u %e!%hn )leh $! -e,e%(i %e!(e+u%.

. T(unmi


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T(unmi +e!(l *!i $% +h( 2e#n, "i%u


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Gm+! . T(unmi $i+% $%i-i%( %e$%)ni$

Bh(n :

1. T)#),!8i $)n*i(i "n, +e!#en,!uh $n +encn %(unmi *lh *e!h *en,n

%)#),!8i ln*i. K)n*i(i ini men,$i+%$n ,el)m+n, %(unmi $n mu*h

mene!/n, *e!h #emu$imn $i+% %i*$ *n" +en%n, lm (e+,i #en,hln,

(reef).. Li%)l),i "n, +e!#en,!uh *lh m%e!il le#( (e#e!%i +%u#(i! %u +%un lemh

linn". K)n*i(i m%e!il le#( ini $n mu*h men/l!$n ,el)m+n, ,em#

(ehin,, ,em# +umi (e+,i ,e/l l *!i +encn %(unmi ini $n

menim+ul$n e8e$ $e!u($n %e!le+ih *hulu (e+elum ,el)m+n, %(unmi *%n,.

;. 9u!h hu/n %i*$ mem#en,!uhi *!i +encn %(unmi.

4. Te$%)ni(me (n,% +e!#en,!uh *!i +encn ini (e+,i (#e$ m)!8)(!%u$%u! $%i8.T(unmi *ili )leh ,em# %e$%)ni$ "n, +e!* #* *(! lu% (ehin,, muncul

#%hn "n, men"e++$n i! lu% (e)lh)lh %e!%!i$ nmun $n $em+li

%e!hem#( $e *!%n.

5. e,e%(i (e*i$i% +e!#e!n *lm menim+ul$n e8e$ +encn %(unmi (e%i*$n"

%nmn #emech ,el)m+n, &+$u' $n mem+n%u *lm #enn,,uln,n e8e$

hem#(n ,el)m+n, $e *!%n.


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Refferensi :

S!i/)n) S.U. *$$. 011. Geomorfologi. >),"$!% : 2u!u(n Te$ni$ Ge)l),i Uni-e!(i%(

G*/h M*.

Amh! Fhmi. *$$. 011. Pengelolaan Sumber aya dan Penanggulangan !encana "lam

(Prosiding).2$!% : B$)(u!%nl.

?))! 3/uh!i. 006. Pengantar Geologi.B),)! : P!),!m S%u*i Te$n$ Ge)l),i Uni-e!(i%(

P$un.

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