Pemetaan Daerah Rawan Banjir Berbasis Sistem Informasi Geografis (Gis) Di Pesisir Danau Tempe Kabupaten Wajo

Ali, Mohamad; Trisutomo, Slamet

doi:10.33096/losari.v2i2.57

Cited by 5 publications

(3 citation statements)

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“…Pendahuluan Salah satu daerah yang sering mengalami bencana banjir dari tahun ke tahun adalah Kota Samarinda. Kota samarinda termasuk dalam daerah yang rawan terhadap banjir (Halimah, 2016). Kota Samarinda memiliki topografi yang cenderung mendatar dan terletak di dataran rendah.…”

Section: Aunclassified

Upaya Pengendalian Pemanfaatan Ruang Berbasis Risiko Bencana Banjir di Kecamatan Samarinda Utara

Ayari¹,

Asyiawati²

2023

BCSURP

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Abstract. Samarinda City is included in the area that is prone to floods and is the most frequently hit by floods. North Samarinda District is the worst flood-prone area in Samarinda City. The causes of frequent flooding in North Samarinda District are high rain intensity, land conversion and damage to the Karang Mumus River area. The aim of the research is to formulate flood risk-based space utilization control in North Samarinda District. This research was conducted using a vulnerability approach and a threat approach with quantitative and spatial methods in the form of scoring analysis and map overlay. The results of the analysis found that the biggest deviation in the use of space in North Samarinda District in the flood disaster area was in the form of a spatial plan for the designation of protected areas into settlements covering an area of 90.17 Ha located in East Sempaja Village. The vulnerabilities and threats to floods in North Samarinda District are dominated by high vulnerabilities and threats. High vulnerability and deviations in the use of space that occur affect each other and cause high flood inundation heights. Meanwhile, the high threat of flooding is caused by deviations in the use of space in the upstream area of the Karang Mumus sub-watershed in the form of a plantation cultivation area into a mining area of 78.31 square meters. Ha. The impact of the flood disaster caused by this high vulnerability and threat has disrupted the social and economic activities of the community. Therefore, it is necessary to control spatial use for North Samarinda District in the form of restoring spatial functions based on spatial pattern plans and efforts to control spatial use in the upstream area of the Karang Mumus sub-watershed in the form of controlling legal and illegal mining activities. Abstrak. Kota Samarinda termasuk dalam daerah yang rawan bencana banjir dan yang paling sering dilanda terhadap bencana banjir. Kecamatan Samarinda Utara merupakan kawasan rawan bencana banjir terparah di Kota Samarinda. Penyebab banjir yang sering terjadi di Kecamatan Samarinda Utara adalah intensitas hujan yang tinggi, alih fungsi lahan dan rusaknya ruang Sungai Karang Mumus. Tujuan dari penelitian yaitu merumuskan pengendalian pemanfaatan ruang berbasis risiko bencana banjir di Kecamatan Samarinda Utara. Penelitian ini dilakukan menggunakan metode pendekatan kerentanan dan pendekatan ancaman dengan metode kuantitatif dan spasial berupa analisis skoring dan overlay peta. Hasil analisis didapatkan bahwa penyimpangan pemanfaatan ruang terbesar di Kecamatan Samarinda Utara pada kawasan bencana banjir yaitu berupa rencana pola ruang peruntukan kawasan lindung menjadi permukiman seluas 90,17 Ha yang terletak di Kelurahan Sempaja Timur. Adapun kerentanan dan ancaman bencana banjir di Kecamatan Samarinda Utara didominasi oleh kerentanan dan ancaman yang tinggi. Kerentanan yang tinggi dan penyimpangan pemanfaatan ruang yang terjadi saling mempengaruhi dan menyebabkan ketinggian genangan banjir yang cukup tinggi. Sedangkan ancaman bencana banjir yang tinggi disebabkan oleh penyimpangan pemanfaatan ruang di kawasan hulu sub DAS Karang Mumus berupa kawasan budidaya perkebunan menjadi pertambangan seluas 78,31. Ha. Dampak dari bencana banjir yang diakibatkan oleh kerentanan dan ancaman yang tinggi ini menyebabkan kegiatan kegiatan sosial dan ekonomi masyarakat terganggu. Maka dari itu perlu adanya upaya pengendalian pemanfaatan ruang untuk Kecamatan Samarinda Utara berupa pemulihan fungsi ruang berdasarkan rencana pola ruang dan upaya pengendalian pemanfaatan ruang di Kawasan hulu sub DAS Karang Mumus berupa penertiban kegiatan pertambangan legal dan illegal.

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Section: Aunclassified

Upaya Pengendalian Pemanfaatan Ruang Berbasis Risiko Bencana Banjir di Kecamatan Samarinda Utara

Ayari¹,

Asyiawati²

2023

BCSURP

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“…The floods that occur almost every year cause material and non-material losses for the people, especially those in the area around Lake Tempe. The most vulnerable sub-districts are Tempe, Pammana, Sabbangparu, and Takkalalla (BMKG, 2014) because they are included in the sub-districts with a high rainfall list (Ali and Trisutomo, 2017). .…”

Section: Introductionmentioning

confidence: 99%

Community of analysis mitigation and adaptation to the flood disaster overload of Lake Tempe, Wajo Regency

2023

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<p>In South Sulawesi, Wajo Regency is one of the areas prone to flooding during the rainy season. Floods that occur in the area cause inundation. The inundation that occurred was caused by the overflow of Lake Tempe. This research was conducted in Laelo Village, Tempe District, which is located around the Tempe Lake Coast. This location was chosen purposively with the consideration that the area has become a frequent flood in the western part of the kelurahan (the part near the lake). The village has a low contour in the west and high in the east. The research design is descriptive and qualitative which aims to describe the state or status of the phenomenon. The purpose of the research is to analyze the forms of adaptation and mitigation that will be carried out by communities in flood-affected areas. This research uses field surveys, in-depth interviews, making field notes, and documentation. The data collection method was carried out using purposive sampling because the desired sample in the study was only people living in the coastal area of the lake, namely in Laelo Village which was only affected by flooding, not the entire Laelo Village community. Data analysis techniques in qualitative descriptive research are carried out with interactive analysis in the form of cycles. Data analysis was carried out simultaneously with the implementation process of data collection. The results of interviews with the community show that they understand that flooding is an ordinary natural phenomenon which is an overflow of a lake, but they do not know why there is a flood. Some people who live on the shores of the lake feel that almost every year they are exposed to floods from the lake. Where the form of adaptation they do is to raise the pole of the house and prepare a boat that is moored under the house to be used as a means of transportation in the event of a flood. Several forms of mitigation that have been carried out are water hyacinth retaining embankments, and making taller bridges with concrete connecting roads from house to house. Information has been found regarding evacuation signs with the evacuation route installed, the mosque is used as a place to disseminate information related to the incident and development of the flood. It is better to form a disaster-resilient village in the area to create an area that is more prepared to face disasters.</p>

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“…The Bila watershed, which is one of the watersheds that empties into Lake Tempe, is also a factor causing flooding in Lake Tempe. This is because there are water catchment areas that are experiencing 1277 (2023) 012019 IOP Publishing doi:10.1088/1755-1315/1277/1/012019 2 land conversion [5]. Based on the description of the problem, it is necessary to use a model to help predict the amount of surface runoff that occurs in the Bila watershed and the effect of changes in land cover on surface runoff.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Land Cover Changes on Surface Runoff Using the Soil and Water Assessment Tool in the Bila Watershed

Wahyuni,

Salimin

2023

IOP Conf. Ser.: Earth Environ. Sci.

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Changes in land cover have a negative impact on land and water resources that occur in the watershed area. This study aims to analyze changes in land cover in 2016 and 2021 and their effects on surface runoff in the Bila Watershed. Analysis of land cover change using the Geographic Information System approach, and then analyzing the effect of land cover change on surface runoff from the results of the Soil and Water Assessment Tool Model. The results showed that the land cover of Bila Watershed when experiencing the highest change was in shrubs of 680.29 ha, dryland agriculture covering an area of 520.99 ha and secondary dryland forest covering an area of 155.76 ha. The effect of land cover changes on surface runoff varies. The highest increase in surface runoff was in shrub cover change to agricultural land and open land while the lowest increase in surface runoff was with changes in primary dryland forest land cover to secondary dryland forest. The surface runoff coefficient of the Bila Watershed in 2016 was included in the good category with a value of 0.16 while in 2021 was included in the moderate category with a value of 0.26.

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Pemetaan Daerah Rawan Banjir Berbasis Sistem Informasi Geografis (Gis) Di Pesisir Danau Tempe Kabupaten Wajo

Cited by 5 publications

References 0 publications

Upaya Pengendalian Pemanfaatan Ruang Berbasis Risiko Bencana Banjir di Kecamatan Samarinda Utara

Upaya Pengendalian Pemanfaatan Ruang Berbasis Risiko Bencana Banjir di Kecamatan Samarinda Utara

Community of analysis mitigation and adaptation to the flood disaster overload of Lake Tempe, Wajo Regency

The Effect of Land Cover Changes on Surface Runoff Using the Soil and Water Assessment Tool in the Bila Watershed

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