22-27 September 2019
Trade Fairs and Congress Center (FYCMA)
Europe/Madrid timezone

GEOMORPHOLOGICAL CHARACTERICS OF THE FLASH FLOOD AFFATED AREA DURING CEMPAKA TROPICAL CYCLONE IN GUNUNGSEWU KARST AREA, INDONESIA

23 Sep 2019, 15:30
15m
Multiuse room 2 ()

Multiuse room 2

Oral Topic 2 - Groundwater and climate change Parallel

Speaker

Dr Eko Haryono (Universitas Gadjah Mada)

Description

Cempaka tropical Cyclone occurred on 27 November 2017 in the Indian Ocean, just south of Central Java. The cyclon generated an extrem rainfall and flash floods in Southern part of Central Java, including the Gunungsewu Karst Area. The highest rainfall recorded on November 28, 2017 in area is 369 mm/day. This study aimed at analyzing the geomorphological characteristics of affected areas. The analysis was conducted by mapping the flooded sites, morphological analysis, and morphometry analysis using a topographical map, high-resolution remote sensing image and high-resolution image from unmanned aerial vehicle (UAV). The results show that floods in the study site occured in (1) flash swallet hole, (2) karst window, (3) resurgence and (4) flash flood in doline with small ponor.

Primary authors

Dr Eko Haryono (Universitas Gadjah Mada) Mr Ahmad Cahyadi (Universitas Gadjah Mada) Mr Hilary Reinhart (Universitas Go adjah Mada) Mr Afid Nurcholis Dr Emilya Nurjadi

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