Analisis Pola Sebaran Kejadian Longsorlahan Di Kecamatan Somagede Dengan Sistem Informasi Geografis

Nirwansyah, Anang Widhi; Utami, Maura Dwi; Suwarno, Suwarno; Hidayatullah, Taufik

doi:10.14710/geoplanning.2.1.1-9

Cited by 6 publications

(4 citation statements)

References 7 publications

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“…It shows that the cutting slope, which is often performed in the road-construction process, is as important factor in the landslide occurences. Marhaento & Sudibyakto (2007), Priyono (2008), Subekti &Hadmoko (2013), andNirwansyah et al (2015) also delivered the high contribution of cutting slopes in the landslide.…”

Section: Discussionmentioning

confidence: 99%

Gis-Based Analysis for Assessing Landslide and Drought Hazard in the Corridor of Mt. Merapi and Mt. Merbabu National Park, Indonesia

Marhaento

2016

Geoplanning: Journal of Geomatics and Planning

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A corridor is an area located between two or more protected areas that are important to support the sustainability of the protected areas. This study is aimed at assessing landslide and drought hazard in the corridor area between Mt. Merapi National Park (MMNP) and Mt. Merbabu National Park (MMbNP) as a part of the corridor management strategy. The corridor area of MMNP and MMbNP comprises four sub-districts in Central Java Province, namely, Sawangan, Selo, Ampel, and Cepogo. A spatial analysis of ArcGIS 10.1 software was used to assess landslide hazard map and the Thornthwaite & Mather Water Balance approach was used to assess drought hazard map. The results have shown that three villages in Cepogo Sub-district and all villages in Selo Sub-district are highly prone to landslide hazard. Furthermore, two villages in Cepogo Sub-district and four villages in Selo Sub-district are prone to drought hazard. This study suggests that these villages should initiate a program called conservation village model based on disaster mitigation for mitigating future landslide and drought disasters.

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Section: Discussionmentioning

confidence: 99%

Gis-Based Analysis for Assessing Landslide and Drought Hazard in the Corridor of Mt. Merapi and Mt. Merbabu National Park, Indonesia

Marhaento

2016

Geoplanning: Journal of Geomatics and Planning

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“…Untuk mengetahui arah pengembangan pemukiman dilakukan analisis pemusatan pemukiman pada tahun 2010 dan 2019 menggunakan titik centroid menggunakan ANN. Rumus untuk menghitung ANN sebagai berikut (Nirwansyah et al, 2015):…”

Section: Metode Penelitianunclassified

Analisis perubahan penggunaan lahan pertanian menjadi perumahan di kota Padang Panjang

Monsaputra

2023

Tunas Agraria

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Based on data from the Land Office of Padang Panjang City in 2016 and 2010 there was a decrease in the number of paddy fields by 42.5 hectares, while settlements increased by 52.9 hectares. The purpose of this study was to see changes in the use of agricultural land into settlements, the spatial pattern of residential land in the 2010-2019 period and to determine the direction of settlement development. Analysis of land use change was carried out by overlaying land use maps in 2010 and 2019, after which an analysis was carried out by creating a buffer against the road. To find out the spatial pattern of land use change in the 2010-2019 period, the Nearest Neighbor (ANN) analysis was carried out. To determine the direction of settlement development, an analysis of the concentration of settlements was carried out in 2010 and 2019 using the centroid point. The results showed that Pasar Baru Village was the area that experienced the highest percentage of land conversion, which was 46%. The majority of these conversions occur at a low population density of 67% and on a road buffer within 50 meters of 64.47%. The spatial pattern of residential land in the 2010-2019 period in the City of Padang Panjang is clustered. The results of the analysis of the direction of settlement development showed that there was a shift in the direction of the settlement to the southeast as far as 300 meters. Berdasarkan data Kantor Pertanahan Kota Padang Panjang pada tahun 2016 dan 2010 terjadi penurunan jumlah lahan sawah sebanyak 42,5 Ha, sedangkan pemukiman mengalami peningkatan 52,9 Ha. Tujuan penelitian ini adalah untuk melihat perubahan penggunaan lahan pertanian menjadi pemukiman, pola spasial lahan permukiman pada periode 2010-2019 dan untuk mengetahui arah pengembangan pemukiman. Analisis perubahan penggunaan tanah dilakukan dengan overlay peta penggunaan lahan tahun 2010 dan 2019, setelah itu dilakukan analisis dengan membuat buffer terhadap jalan. Untuk mengetahui pola spasial perubahan penggunaan lahan pada periode 2010-2019 dilakukan dengan Analysis Nearest Neighbor (ANN). Untuk mengetahui arah pengembangan pemukiman dilakukan analisis pemusatan pemukiman pada tahun 2010 dan 2019 menggunakan titik centroid. Hasil penelitian menunjukkan bahwa Kelurahan Pasar Baru adalah wilayah yang mengalami persentase konversi lahan paling tinggi yaitu sebesar 46 %. Konversi tersebut mayoritas terjadi pada kepadatan penduduk yang rendah yaitu sebesar 67 % dan pada buffer jalan berjarak 50 meter sebesar 64,47 %. Pola spasial lahan permukiman pada periode 2010- 2019 di Kota Padang Panjang berkerumun (clustered). Hasil analisis arah pengembangan pemukiman diperoleh hasil terjadi pergeseran arah pemukiman ke arah tenggara sejauh 300 meter.

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“…This analysis was conducted to determine the distribution pattern of springs in the study area. In determining the pattern, the z-score and p-value were used as indicators [17], [18]. There are three kinds of distribution patterns, namely clustered indicated by a negative z-score, dispersed indicated by a greater and positive z-score, and random indicated by a zscore value of 0 or close to 0.…”

Section: Spring Discharge Observationmentioning

confidence: 99%

Hydrogeomorphology of spring at the junction of sumbing-sindoro twin stratovolcanoes, central java

Ervin

Anafi

Arif

et al. 2022

IOP Conf. Ser.: Earth Environ. Sci.

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The study on the potential of springs is urgently needed to support sustainable development in the stratovolcano area. This study was conducted in the junction of Sumbing and Sindoro stratovolcano, to analyze the characteristics of springs which include the pattern of distribution, discharge, and, water quality. The data were collected by employing observation, literature study, and documentation. The data analysed using GIS, statistical and descriptive analysis. The results show that springs patterns are random. The spring discharge in both volcanoes varies between class V to VI. Between the Sumbing and Sindoro there is no difference in the average of discharge, water temperature, DO, and pH, but it is different in the average of TDS and EC. Water temperature has a strong influence on EC in Sumbing but weak in Sindoro. The increase in water temperature has a weak effect on the decrease of DO in both volcanoes. The decrease in spring elevation influences the increase in water temperature, strong in Sumbing but weak in Sindoro. The difference in geomorphological conditions between Sumbing and Sindoro contributes to the variation of the spring’s characteristics. Overall, this paper presents new insights to understand the effect of different geomorphological conditions in two adjacent stratovolcanoes on the characteristics of springs.

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Analisis Pola Sebaran Kejadian Longsorlahan Di Kecamatan Somagede Dengan Sistem Informasi Geografis

Abstract: Landslide is part of the earth forming mechanism that is dynamic. This research is aimed at identifying the spatial pattern of landslide occurrences in

Cited by 6 publications

References 7 publications

Gis-Based Analysis for Assessing Landslide and Drought Hazard in the Corridor of Mt. Merapi and Mt. Merbabu National Park, Indonesia

Gis-Based Analysis for Assessing Landslide and Drought Hazard in the Corridor of Mt. Merapi and Mt. Merbabu National Park, Indonesia

Analisis perubahan penggunaan lahan pertanian menjadi perumahan di kota Padang Panjang

Hydrogeomorphology of spring at the junction of sumbing-sindoro twin stratovolcanoes, central java

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