QUANTITATIVE GEOMORPHOLOGY OF LANDFORM AT SAMIGALUH AND SURROUNDING AREA, WEST PROGO, CENTRAL JAVA, INDONESIA

R.A., T.Listyani and Sulaksana, Nana and Alam, BYCSSS and Sudradjat, Adjat (2017) QUANTITATIVE GEOMORPHOLOGY OF LANDFORM AT SAMIGALUH AND SURROUNDING AREA, WEST PROGO, CENTRAL JAVA, INDONESIA. In: 2nd Conference FRD Utsunomiya - FTG Padjadjaran, 24-25 Nov 2017, Utsunomiya, Japan.

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Abstract

Samigaluh and its surrounding area in West Progo Regency is a part of West Progo Hills
physiographic zone that has steep denudational hilly morphology. Field geomorphological survey has
been conducted in this area to reveal the landscape characteristics quantitatively. Quantitative
geomorphology study was conducted on the dimension or morphometric of landscape at some
location of hills and streams. Morphometric aspects that have been analyzed include elevation (h) and
slope (α) of regions or hills as well as some response variables of stream morphology that include
valley floor-height ratio (Vf), valley cross section (Vr), river gradient index (SL) and drainage density
(Dd). The results showed that the response variables of morphology in the study area have variation in
values. Average value of elevation (h) is 415 m, slope is 42.2%, Vf is 1.04, Vr is 0.68, SL is 180.7
and Dd is 0.38 / km2
. Analysis of the relationship between several variables of morphometry showed
the low to very low correlation value, with the highest correlation value is 21.29% only shown by the
relationship between elevation (h) to valley floor-height ratio (Vr).

Item Type:	Conference or Workshop Item (Speech)
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Divisions:	Fakultas Teknologi Mineral > Teknik Geologi
Depositing User:	suma SR romdani
Date Deposited:	16 Feb 2022 02:21
Last Modified:	21 Sep 2022 02:14
URI:	https://repository.itny.ac.id/id/eprint/3592

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