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ITS » Paper and Presentation » S2 - Teknik Geomatika
Posted by aprill@is.its.ac.id at 30/09/2015 18:37:31  •  1124 Views


STUDI KERENTANAN DAERAH ALIRAN SUNGAI BENGAWAN SOLO DITINJAU DARI FAKTOR FISIK DAN NON FISIK MENGGUNAKAN MULTI CRITERIA ANALYSIS STUDI KASUS KABUPATEN LAMONGAN

STUDY OF BENGAWAN SOLO WATERSHED VULNERABILITY BASED ON PHYSICAL AND NONPHYSICAL FACTORS USING MULTI CRITERIA ANALYSIS

Author :
RAHMAWATY, MITHA ASYITA ( 3512 201 903 )




ABSTRAK

Sungai Bengawan Solo terletak di Propinsi Jawa Tengah dan Jawa Timur dengan luas wilayah sungai 12 dari seluruh wilayah Pulau Jawa yang merupakan sungai terbesar di Pulau Jawa. DAS bengawan Solo hampir setiap tahunnya mengalami bencana banjir dan tanah longsor. Banjir dan tanah longsor disebabkan oleh faktor-faktor alam dan kegiatan manusia yang terkait dengan pemanfaatan sumber daya alam yang menyebabkan menurunnya fungsi ekosistem DAS. Faktor alamiah terutama disebabkan karena curah hujan yang sangat tinggi kondisi topografi dan kondisi tangkapan air DAS. Sedangkan faktor manusia diataranya disebabkan karena perubahan penggunaan lahan kepadatan penduduk dan usaha lain yang dilakukan oleh masyarakat. Daerah penelitian adalah Kabupaten Lamongan yang merupakan salah satu Kabupaten yang terletak di Provinsi Jawa Timur dimana dari segi fisik wilayahnya dilewati oleh Bengawan Solo dan sebagian wilayahnya berada di dataran rendah menyebabkan daerah ini rawan terjadi bencana banjir di wilayah. Beberapa faktor yang menyebabkan terjadinya bencana tersebut dikatakan sebagai faktor timbulnya kerentanan pada Daerah Aliran Sungai DAS. Pada penelitian ini kerentanan DAS Bengawan Solo ditinjau dari aspek fisik dan nonfisik. Dengan menggunakan data eksisting sosial ekonomi di Kabupaten Lamongan dan dikombinasi dengan data geografis yang terdiri dari peta rupa bumi citra satelit dan data lain yang relevan maka analisis kerentanan dapat dilakukan dengan menggunakan teknologi SIG menggunakan metode Multi Criteria Analysis MCA. Luas daerah dengan klasifikasi kerentanan sangat rentan seluas 47016 Km2 sedangkan klasifikasi tidak rentan seluas 81079 Km2.


ABSTRACT

Bengawan Solo River located in Central Java and East Java basin with an area of 12 of the whole territory of the island of Java is the largest river in Java. Bengawan Solo watershed almost every year experience floods and landslides. Floods and landslides caused by natural factors and human activities related to the utilization of natural resources resulting in lower watershed ecosystem function. Mainly due to natural factors are very high rainfall topography and watershed catchment conditions. While the human factor diataranya caused by changes in land use population density and other efforts made by the community. The area of research is the Lamongan Regency is one that is located in the province of East Java where in terms of physical territory passed by Bengawan Solo and most are in the low-lying area an area is prone to flood disasters in the region. Some of the factors that led to the disaster said to be a factor in the emergence of vulnerabilities Watershed DAS. In this study the vulnerability of Bengawan Solo river basin in terms of physical and non-physical aspects. By using existing data on the socio-economic Lamongan and combined with the geographic data consisting of the earth in such maps satellite images and other relevant data the vulnerability analysis can be performed using GIS technology using Multi Criteria Analysis MCA. The wide areas of vulnerability classification is very vulnerable area of 47016 km2 while the classification is not prone area 81.079 km2.



KeywordsDAS Bengawan Solo; Kabupaten Lamongan; Kerentanan DAS; MCA (Multi Criteria Analysis)
 
Subject:  Renske penginderaan
Contributor
  1. Dr. Ir. Muhammad Taufik
  2. Prof. Dr. Ir. Bangun M.S., DEA, DESS
Date Create: 30/09/2015
Type: Text
Format: pdf
Language: Indonesian
Identifier: ITS-paper-35121150007973
Collection ID: 35121150007973
Call Number: RTG 621.367 8 Rah s


Source
Paper and Presentations, Geomatics Engineering, RTG 621.367 8 Rah s, 2015

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Copyright @2015 by ITS Library. This publication is protected by copyright and per obtained from the ITS Library prior to any prohibited reproduction, storage in a re transmission in any form or by any means, electronic, mechanical, photocopying, reco For information regarding permission(s), write to ITS Library




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