Analisis Perubahan Penggunaan Lahan Dan Dampaknya Terhadap Hasil Air Di Das Cisadane Hulu

Nilda, Nilda; Adnyana, I Wayan Sandi; Merit, I Nyoman

doi:10.24843/ejes.2015.v09.i01.p05

Cited by 9 publications

(6 citation statements)

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“…So that it has an impact on environmental quality and conflicts over the use of water resources such as agricultural activities. One of the causes of reduced water yields can be caused by higher evaporation due to increased forest area, but this decrease has no significant impact as long as the temporal distribution of flow rates is evenly distributed throughout the year [15].…”

Section: Figure 5 Water Yield Dynamic Of Kuranji Watershedmentioning

confidence: 99%

The dynamics of water yield: Case of Kuranji watershed, Padang City, West Sumatera, Indonesia

Wardiman

Yonariza

2023

IOP Conf. Ser.: Earth Environ. Sci.

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Land-use change is the main cause of high runoff in the Kuranji watershed and has social and economic impacts on the public. This study aims to determine the dynamics of watershed water yields and to formulate directions and recommendations for the management of the Kuranji watershed. The dynamics of the water yield in Kuranji watershed were analysed based on the SWAT hydrological model from the conservation area scenarios. The results showed the value of the dynamics water yield in Kuranji watershed is: reliability 0,79 with a duration of 290 days a year, resilience value 0,67 or 67% certainty of success of the watershed to return to normal conditions with a recovery period of 75 days a year and the average vulnerability is 389.466 m3/day. So that the form of a decision to be made with these conditions is that this area can be developed but the types of plants grown must be sensitive to water shortages. The direction and recommendations of the Kuranji watershed management on the future are to grow public awareness through the formation of public perceptions, conservation on target, continuous watershed conservation, public empowerment, and incentive policies governing payment for environmental services.

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Section: Figure 5 Water Yield Dynamic Of Kuranji Watershedmentioning

confidence: 99%

The dynamics of water yield: Case of Kuranji watershed, Padang City, West Sumatera, Indonesia

Wardiman

Yonariza

2023

IOP Conf. Ser.: Earth Environ. Sci.

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“…Peningkatan volume air yang sangat tinggi dengan waktu tempuh air relatif singkat dan berkurangnya lahan resapan air, menyebabkan bahaya banjir di hilir sungai dan berkurangnya cadangan air di hulu sungai [4]. Di Jawa Barat beberapa DAS mengalami kerusakan pada hulu sungai seperti DAS Citarum, DAS Cimanuk, dan DAS Cisadane karena terus berkurangnya tutupan lahan sehingga resapan air tidak terjadi dengan semestinya [5,6,7]. Di wilayah Bogor juga terdapat beberapa DAS yaitu DAS Cidurian, DAS Cimanceuri, DAS Cisadane, DAS Ciliwung, sub DAS Kali Bekasi, sub DAS Cipamingkis dan DAS Cibeet [8].…”

Section: Aunclassified

Analisis Curah Hujan dalam Menentukan Debit Banjir Rencana pada Daerah Aliran Sungai Cisadane Menggunakan Metode Rasional

Febrianti

Ramdani

Badruzzaman

2022

BCSM

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Abstract. Cisadane watershed is one of the priority watersheds in Indonesia whose administrative area covers 5 districts/cities in Bogor and Tangerang. The observation point of this research is the upstream Cisadane watershed to the Bogor Empang Water Dam Gate. Daily rainfall data was taken at the Bogor Climatology Station and the Citeko Meteorology Station. The purpose of this study was to obtain a planned flood discharge using frequency analysis of rainfall data to obtain a planned flood discharge in Cisadane watershed using the Rational Method. The results of the calculation of rainfall data are 155,72 m3/s for a 2-year return period, 198,02 m3/s for a 5-year return period, 226,53 m3/s for a 10-year return period, 262,98 m3/s for a 25- year return period, 290,43 m3/s for a 50- year return period, and 318,64 m3/s for a 100- year return period. Abstrak. DAS Cisadane adalah salah satu DAS prioritas di Indonesia yang wilayah administrasinya mencakup 5 kabupaten/kota di Bogor dan Tangerang. Titik pengamatan penelitian ini adalah DAS Cisadane hulu sampai Pintu Bendungan Air Empang Bogor. Data curah hujan harian diambil di stasiun Klimatologi Bogor dan stasiun Meteorologi Citeko. Tujuan penelitian ini adalah memperoleh debit banjir rencana dengan menggunakan analisis frekuensi terhadap data curah hujan untuk mendapatkan debit banjir rencana pada DAS Cisadane menggunakan Metode Rasional. Hasil perhitungan data curah hujan yaitu sebesar 155,72 m3/detik untuk periode ulang 2 tahun, 198,02 m3/detik untuk periode ulang 5 tahun, 226,53 m3/detik untuk periode ulang 10 tahun, 262,98 m3/detik untuk periode ulang 25 tahun, 290,43 m3/detik untuk periode ulang 50 tahun, dan 318,64 m3/detik untuk periode ulang 100 tahun.

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“…Junaedi (2009) menyebutkan bahwa sub-DAS yang berpotensi menyumbang erosi terbesar di DAS Cisadane adalah unit lahan dengan tutupan lahan ladang pada kemiringan lereng >40% dan tutupan lahan pemukiman pada kemiringan >8%. Nilda & Merit (2015) menyatakan bahwa konversi lahan di daerah hulu DAS Cisadane menyebabkan sebagian besar air hujan yang jatuh di wilayah DAS tersebut tidak dapat diretensikan atau diserap dengan baik sehingga mengalir dengan cepat ke bagian hilir DAS, di mana peningkatan luas pemukiman mengakibatkan penurunan luasan daerah resapan air sehingga terjadi peningkatan jumlah curah hujan yang menjadi aliran permukaan. Arifasihati & Kaswanto (2016) menambahkan sebanyak 3 variabel yang memengaruhi perubahan penggunaan dan penutupan lahan di DAS Cisadane, yaitu curah hujan, jumlah penduduk, dan jarak ke pusat kota.…”

Section: Pendahuluanunclassified

Karakteristik Hidrologi dan Pengelolaannya dengan Model Hidrologi Soil and Water Assessment Tool Sub DAS Cisadane Hulu

Utami

Wahjunie

Tarigan

2020

J. Ilmu. Pertan. Indones.

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One of the priority watersheds to be managed in Indonesia is the Cisadane watershed due to the high degradation problems. The Cisadene watershed degradation could be indicated by a high river flow during rainy season, low baseflow in dry season, and high erosion and sedimentation. One of the main problems in the Cisadane watershed is a huge landcover changes in the Cisadane Hulu watershed that causes a decrease in water absorption region and a surface runoff. The study aimed to analyze landcover changes in the Cisadane Hulu Watershed during 2013-2018 and analyze the watershed conditions based on their hydrological characteristics. Analysis of landcover changes patterns was carried out by processing spatial data using GIS software. Analysis for hydrological characteristics was conducted by using SWAT modelling (Soil and Water Assessment Tool). The results showed that there were land cover changes during 2013-2018. The most significant landcover changes in the Cisadane Hulu watershed was residential area (455.95 ha). The result simulation scenario of the model SWAT showed scenario 2 was the best scenario for the management of the Cisadane Hulu watershed. The application of Soil and Water Conservation can decrease surface runoff by 32.1% and increase lateral flow by 8.89%. Therefore, it is expected that the results of this SWAT model simulation will be taken into consideration by the local government for the optimal management of the Cisadane Hulu watershed. Keywords: Cisadane watershed, land cover change, SWAT modelling

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Analisis Perubahan Penggunaan Lahan Dan Dampaknya Terhadap Hasil Air Di Das Cisadane Hulu

Cited by 9 publications

References 0 publications

The dynamics of water yield: Case of Kuranji watershed, Padang City, West Sumatera, Indonesia

The dynamics of water yield: Case of Kuranji watershed, Padang City, West Sumatera, Indonesia

Analisis Curah Hujan dalam Menentukan Debit Banjir Rencana pada Daerah Aliran Sungai Cisadane Menggunakan Metode Rasional

Karakteristik Hidrologi dan Pengelolaannya dengan Model Hidrologi Soil and Water Assessment Tool Sub DAS Cisadane Hulu

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