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All Journal Jurnal Ilmu Pertanian Indonesia Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment) Geoplanning : Journal of Geomatics and Planning Jurnal Ilmu Komputer dan Agri-Informatika Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Sains & Teknologi Modifikasi Cuaca Syntax Literate: Jurnal Ilmiah Indonesia Syntax Idea Jurnal Scientia

Yusuf, Sri Malahayati

Department Of Soil Science And Land Resources, Faculty Of Agriculture, IPB University, IPB Darmaga Campus, Darmaga, Bogor, 16680, Indonesia

Author-ID : 3298974

Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Earth & Planetary Sciences Education Environmental Science Law, Crime, Criminology & Criminal Justice Mathematics Social Sciences Other

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STUDI HIDROLOGI BERDASARKAN CLIMATE CHANGES MENGGUNAKAN MODEL SWAT DI DAERAH TANGKAPAN AIR WADUK JATILUHUR Supatmanto, Budi Darmawan; Yusuf, Sri Malahayati
Jurnal Sains & Teknologi Modifikasi Cuaca Vol 16, No 2 (2015): December 2015
Publisher : BPPT

Daerah Tangkapan waduk Jatiluhur berada diantara 10701136â - 10703236" BT and 602950" - 604045" LS di Jawa Barat, Indonesia. Area dengan luas 380 km2 merupakan 8% dari seluruh total area Hulu Sungai Citarum seluas 4500 km2. Fungsi dari daerah ini untuk memenuhi kebutuhan air untuk pertanian di Karawang dan Bekasi dan memenuhi kebutuhan air di Jakarta. Tujuan dari penelitian ini untuk meneliti dampak dari perubahan ik (Climate Changes) terhadap hasil hidrologi di daerah tangkapan. Perubahan iklim ditentukan oleh beberapa scenario perubahan iklim yang disiapkan sebagai input dalam SWAT hidrologi model. Simulasi dilakukan sesudah model dikalibrasi untuk mendapatkan parameter model yang sesuai dengan model hidrologi. Setelah itu model divalidasi untuk mengetahui bahwa model menggambarkan keadaan lapangan. hasil penelitian menunjukkan bahwa nilai-nilai limpasan dan hasil air yang bervariasi berdasarkan perubahan iklim. Oleh karena itu, perlu adanya untuk mempertimbangkan faktor-faktor perubahan iklim untuk mempelajari proses hidrologi di Daerah Tangkapan Air.Kata Kunci: SWAT, hidrologi, skenario perubahan iklim dan area tangkapan=Jatiluhur Reservoir Catchment Area is located between 10701136â - 10703236" BT and 602950" - 604045" LS in West Java, Indonesia. The catchment area embraces 380 km2, which is 8% of the total coverage area in the upstream of Citarum River with the total area of 4500 km2. The functions of this catchment are essential for meeting the needs of water for agriculture in Karawang and Bekasi area, and drinking water needs for Jakarta area. The purpose of this study was to investigate the impact of climate change on hydrology yield in the catchment. Changes in climate are discovered by several different climate changes scenarios, prepared as input for hydrological model SWAT. Simulation scenarios conducted after the model is calibrated in order to obtain model parameters that are sensitive to the hydrological response. Afterwards models are validated to find out that the model has described the state of the field. The result showed that the values of runoff and water yield are varies based on climate change. Therefore, there is a need to consider the factors of climate change in order to study hydrological process of a watershed.Keywords: SWAT, hydrology, climate changes scenarios and catchment areas.

Daerah Tangkapan waduk Jatiluhur berada diantara 107011'36? - 107032'36" BT and 6029'50" - 6040'45" LS di Jawa Barat, Indonesia. Area dengan luas 380 km2 merupakan 8% dari seluruh total area Hulu Sungai Citarum seluas 4500 km2. Fungsi dari daerah ini untuk memenuhi kebutuhan air untuk pertanian di Karawang dan Bekasi dan memenuhi kebutuhan air di Jakarta. Tujuan dari penelitian ini untuk meneliti dampak dari perubahan ik (Climate Changes) terhadap hasil hidrologi di daerah tangkapan. Perubahan iklim ditentukan oleh beberapa scenario perubahan iklim yang disiapkan sebagai input dalam SWAT hidrologi model. Simulasi dilakukan sesudah model dikalibrasi untuk mendapatkan parameter model yang sesuai dengan model hidrologi. Setelah itu model divalidasi untuk mengetahui bahwa model menggambarkan keadaan lapangan. hasil penelitian menunjukkan bahwa nilai-nilai limpasan dan hasil air yang bervariasi berdasarkan perubahan iklim. Oleh karena itu, perlu adanya untuk mempertimbangkan faktor-faktor perubahan iklim untuk mempelajari proses hidrologi di Daerah Tangkapan Air.Kata Kunci: SWAT, hidrologi, skenario perubahan iklim dan area tangkapan=Jatiluhur Reservoir Catchment Area is located between 107011'36? - 107032'36" BT and 6029'50" - 6040'45" LS in West Java, Indonesia. The catchment area embraces 380 km2, which is 8% of the total coverage area in the upstream of Citarum River with the total area of 4500 km2. The functions of this catchment are essential for meeting the needs of water for agriculture in Karawang and Bekasi area, and drinking water needs for Jakarta area. The purpose of this study was to investigate the impact of climate change on hydrology yield in the catchment. Changes in climate are discovered by several different climate changes scenarios, prepared as input for hydrological model SWAT. Simulation scenarios conducted after the model is calibrated in order to obtain model parameters that are sensitive to the hydrological response. Afterwards models are validated to find out that the model has described the state of the field. The result showed that the values of runoff and water yield are varies based on climate change. Therefore, there is a need to consider the factors of climate change in order to study hydrological process of a watershed.Keywords: SWAT, hydrology, climate changes scenarios and catchment areas.

STUDI HIDROLOGI BERDASARKAN CLIMATE CHANGES MENGGUNAKAN MODEL SWAT DI DAERAH TANGKAPAN AIR WADUK JATILUHUR Budi Darmawan Supatmanto; Sri Malahayati Yusuf
Jurnal Sains & Teknologi Modifikasi Cuaca Vol. 16 No. 2 (2015): December 2015
Publisher : BPPT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jstmc.v16i2.1047

Daerah Tangkapan waduk Jatiluhur berada diantara 107011'36â€ - 107032'36" BT and 6029'50" - 6040'45" LS di Jawa Barat, Indonesia. Area dengan luas 380 km2 merupakan 8% dari seluruh total area Hulu Sungai Citarum seluas 4500 km2. Fungsi dari daerah ini untuk memenuhi kebutuhan air untuk pertanian di Karawang dan Bekasi dan memenuhi kebutuhan air di Jakarta. Tujuan dari penelitian ini untuk meneliti dampak dari perubahan ik (Climate Changes) terhadap hasil hidrologi di daerah tangkapan. Perubahan iklim ditentukan oleh beberapa scenario perubahan iklim yang disiapkan sebagai input dalam SWAT hidrologi model. Simulasi dilakukan sesudah model dikalibrasi untuk mendapatkan parameter model yang sesuai dengan model hidrologi. Setelah itu model divalidasi untuk mengetahui bahwa model menggambarkan keadaan lapangan. hasil penelitian menunjukkan bahwa nilai-nilai limpasan dan hasil air yang bervariasi berdasarkan perubahan iklim. Oleh karena itu, perlu adanya untuk mempertimbangkan faktor-faktor perubahan iklim untuk mempelajari proses hidrologi di Daerah Tangkapan Air.Kata Kunci: SWAT, hidrologi, skenario perubahan iklim dan area tangkapan=Jatiluhur Reservoir Catchment Area is located between 107011'36â€ - 107032'36" BT and 6029'50" - 6040'45" LS in West Java, Indonesia. The catchment area embraces 380 km2, which is 8% of the total coverage area in the upstream of Citarum River with the total area of 4500 km2. The functions of this catchment are essential for meeting the needs of water for agriculture in Karawang and Bekasi area, and drinking water needs for Jakarta area. The purpose of this study was to investigate the impact of climate change on hydrology yield in the catchment. Changes in climate are discovered by several different climate changes scenarios, prepared as input for hydrological model SWAT. Simulation scenarios conducted after the model is calibrated in order to obtain model parameters that are sensitive to the hydrological response. Afterwards models are validated to find out that the model has described the state of the field. The result showed that the values of runoff and water yield are varies based on climate change. Therefore, there is a need to consider the factors of climate change in order to study hydrological process of a watershed.Keywords: SWAT, hydrology, climate changes scenarios and catchment areas.

Model Pemberdayaan Masyarakat melalui Pengolahan Kopi di Desa Mandiri Energi Yohanes Aris Purwanto; Kukuh Murtilaksono; Sri Malahayati Yusuf
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 1 No. 1 (2015): Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrokreatif.1.1.28-34

Development of energy self-sufficient village based on the local resources is purposed to reduce the poverty, to create the job opportunities as well as to substitute the fossil fuels. Energy self-sufficient village is also as sociated with the development of the productive economy. For the areas closed to national park, the development of the productive economy is important because it can reduce community activities for reaching the forest. Lebakpicung is energy self-sufficient village based on microhydro. This village has potency on coffee production. However, only dried coffee beans are produced from this village. The purpose of this community empowerment activity in Energy self-sufficient village was to utilize idle electricity from microhydro during day time as energy resource for coffee processing. This activity was carried out through training activity on the use of coffee processing machinery and packaging technology. The training participants were the community members who has activity on coffee processing.

MODEL OF SOIL AND WATER CONSERVATION MEASURES APPLICATION BASED ON DISTRICT SPATIAL PLANNING IN MAMASA WATERSHED, SOUTH SULAWESI Sri Malahayati Yusuf; Kukuh Murtilaksono; R.K. Astuti; Syaiful Arifin
Geoplanning: Journal of Geomatics and Planning Vol 4, No 2 (2017)
Publisher : Department of Urban and Regional Planning, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/geoplanning.4.2.263-272

Depletion of watershed carrying capacity cannot be omitted from mismanagement of the watershed. The integration between SWAT model and remote sensing data are able to identify, assess, and evaluate watershed problem as well as a tool to apply the mitigation of the problem. The aim of this study was to arrange the scenario of watershed management, and decide the best recommendation of sustainable watershed management of Mamasa Sub Watershed. The best recommendation was decided by hydrology parameters, e.i. surface runoff, sediment, and runoff coefficient. Hydrology characteristics of Mamasa Sub Watershed was analyzed based on land use data of year 2012 and climate data for period of 2010-2012. The scenarios were application of bunch and mulch in slope 1-15%; bunch terrace (scenario 1), mulch and strip grass in slope 15-25% (scenario 2), alley cropping in slope 25-40% (scenario 3), and combination scenario 1, 2, 3 with agroforestry in slope > 40% (scenario4). Surface runoff value of Mamasa Sub Watershed is 581.35 mm, while lateral flow, groundwater flow, runoff coefficient, and sediment yield of 640.72 mm, 228.17 mm, 0.29, and 187.213 ton/ha respectively. Based on the scenario’s simulation, the fourth scenario was able to reduce surface runoff and sediment yield of 33.441% and of 51.213%, while the runoff coefficient declined to 0.194. Thereby, the fourth scenario is recommended to be applied in Mamasa Sub Watershed so that the sustainability in the watershed can be achieved.

PERUBAHAN SPASIAL TUTUPAN LAHAN DI DAS CITARUM HULU Sri Malahayati Yusuf
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol. 8 No. 3 (2018): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Graduate School Bogor Agricultural University (SPs IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.8.3.365-375

Land cover is one of factors which is important in watershed management. The changes of land cover in a watershed can affect the hydrology abstraction. Land cover of upstream Citarum watershed is potentially changes. Economy, social, population, and natural hazard are factors that affect the change in land cover. The aim of this research were to analyze spatial change of land cover in upstream Citarum watershed period 2006-2014 and predicting future land cover of 2030 as usual and applying a policy to conserve paddy field and forest. Analysis was carried out applying Cellular automata markov chain of land cover spatial model. The result showed that Kappa and total accuracy for image classification were 0.89 and 0.92. Dominant land cover type in upstream Citarum watershed was paddy field of 25.99 – 26.06%. The average of land cover changes approximately < 1% with conversion of paddy field to built up area is the dominant change. Model validation of 2014 predicted land cover was 0.992, while Kappa for optimum iteration of 7 was 0.994. The land cover for period 2006-2030 was change approximately < 1%. The types of land cover that increase in 2030 were built up area and mixed farming of 0.21% and 0.11%, respectively, while plantation forest, moor, paddy field, and bareland were decreasing approximately 0.17, 0.23, 0.62 and 0.02%. The predicted land cover of 2030 under protection of paddy filed and forest scenario was trigger the increasing of mixed farming 0.36%, while moor and bareland were decrease of 0.22 and 0.10%.

Kajian Erosi Tanah menggunakan Isotop 137Cs dan 210Pb Excess di Sub DAS Ciesek, DAS Ciliwung Hulu, Bogor Kukuh Murtilaksono; Ania Citraresmini; Sri Malahayati Yusuf; Taufik Bachtiar; Dwi Mei Lawaswati
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol. 10 No. 3 (2020): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Graduate School Bogor Agricultural University (SPs IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.10.3.501-510

Fallout radio nuclides method has been being applied and developed to study and measure soil erosion for long time. This research aims to predict soil erosion/deposition in Ciesek subwatershed, Upper Ciliwung watershed using natural fallout radionuclides of 137Cs and 210Pb excess. Soil samples were taken using soil core along four transects of different land use types. Soil samples were analyzed using Multi Channel Analyzer (MCA) to obtain inventory value of the radioisotopes. The research shows different distribution pattern of soil erosion/deposition of 137Cs and 210Pb excess isotopes. Application of 137Cs isotope shows soil erosion process under home mix garden and dryland farm, but soil deposition process occurs on bareland. In the contrary, 210Pb excess indicates soil erosion on bare land while soil deposition is under home mix garden and dryland farm. Application of 210Pb excess is more reliable than 137Cs in predicting soil erosion.

Analisis Kecukupan Air Domestik (Studi Kasus Kota Depok, Jawa Barat) Enni Dwi Wahjunie; Latief Mahir Rahman; Nurul Rahmalia; Sri Malahayati Yusuf; Yayat Hidayat
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : Syntax Corporation

Dampak pertumbuhan penduduk, perekonomian, urbanisasi, dan perubahan iklim dapat berpeluang terhadap ancaman kecukupan air bersih di masa yang akan datang. Kota Depok merupakan daerah urban di dekat metropolitan Jakarta. Untuk itu perlu adanya studi tentang analisis kecukupan air di kota Depok. Analisis kecukupan air dapat diperhitungkan berdasar SNI 6728.1:2015 (Penyusunan Neraca Sumberdaya Air) dan SNI 6738.1:2015 (Perhitungan Debit Andalan Sungai), dengan asumsi seluruh masyarakat kota Depok hanya menggunakan air permukaan dari sungai Ciliwung sebagai pemenuhan kebutuhan air domestiknya. Menurut metode SNI 6728.1:2015, potensi ketersediaan air Kota Depok dapat diprediksi dari Debit Andalan 90 % pintu air Katulampa Bogor dan Panus Depok, serta debit PDAM kota Depok tahun 2020. Prediksi kebutuhan air domestik diperhitungkan dari prediksi jumlah penduduk dan SNI 6728.1:2015. hasil penelitian menunjukkan bahwa berdasarkan data jumlah penduduk tahun 2010 -2020, laju pertumbuhan penduduk kota Depok sebesar 1,75 %. Potensial ketersediaan air dari Debit Andalan 90% di pintu air Katulampa sebesar 4,96 m3/detik, tidak cukup untuk memenuhi kebutuhan kota Depok sejak tahun 2020. Potensi ketersediaan air dari Debit Andalan 90% di pintu air Panus sebesar 16,61 m3/detik, masih surplus hingga tahun 2050. Namun PDAM kota Depok hingga tahun 2020 hanya mampu berproduksi 0,63 m3/detik; sehingga mulai tahun 2025 sudah terjadi defisit. Untuk memenuhi kebutuhan air domestik Kota Depok di waktu yang akan datang, peningkatan debit PDAM maupun pemanfaatan air tanah harus dilakukan.

ANALYSIS OF THROUGH FALL AS EFFECTIVE RAIN INFORMATION IN VEGETATED LANDS Enni Dwi Wahjunie; Wahyu Purwakusuma; Eko Taufik Wirawan; Sri Malahayati Yusuf; Yayat Hidayat
Jurnal Scientia Vol. 12 No. 03 (2023): Education, Sosial science and Planning technique, 2023 (June-August)
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/scientia.v12i03.1662

Rainfall is the water main source on the world. Rainwater that can be used for life is water that reaches the soil surface (effective rain), and then be stored in the soil or as surface runoff that causes flooding. The total of rainwater that reaches the soil surface on vegetated lands is highly dependent on the total of interception (water retained and absorbed by vegetation to then evaporate to atmosphere). The remaining rainwater that is not retained by vegetation will flow through the stem (stem flow) and through fall from the plant canopy to the soil surface. The total of rain water intercepted depends on the nature of the rain and the vegetation. Therefore, this study wanted to examine the total of through fall related to the type of vegetation and the rain characteristics. The research was conducted at Dusun Besar, Kayong Utara Regency, West Kalimantan during the 2021 rainy season, on a slope transect from flat land to hills. The transect was divided into several slope classes, then on each slope class were observed of the vegetation type, rainfall, through fall, and intercept. Observations showed that the through fall in each land use was, teak on slope I (J;I) was 74.81%; Coconut on slope I (K;I) was 74.41%; Durian on slope II (D,II) was 50.64%; Durian on slope IV (D;IV) was 59.58% and forest on slope IV (H;IV) was 54.58%. The greater through fall is in line with the greater and more rain frequent, and the smaller of plant area canopy.

Peranan Soil Tilth Terhadap Produktivitas Bawang Merah Enni Dwi Wahjunie; Sri Malahayati Yusuf; Raissa Syahputri Hairani
Syntax Idea 3330-3340
Publisher : Ridwan Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/syntax-idea.v6i7.4232

Bawang merah merupakan salah satu komoditas pangan yang penting, sehingga lahan produksinya perlu dipertahankan. Apabila produktivitas lahannya menurun, sangat potensi beralih fungsi menjadi lahan penggunaan lain. Sentra produksi bawang merah terbesar di Indonesia berada di Kabupaten Brebes, yang dikembangkan di berbagai jenis tanah dengan karakter berbeda. Perbedaan jenis tanah tersebut telah menunjukkan perbedaan produksinya. Sebagai tanaman umbi, bawang merah memerlukan media tanam yang baik (soil tilth), antara lain konsistensi dan kemampuan mengembang mengkerut tanah. Oleh karena itu, penelitian ini ingin mengkaji peranan soil tilth dan kemampuan mengembang mengkerut tanah terhadap produktivitas bawang merah. Penelitian dilakukan melalui tahapan survei lokasi pengembangan bawang merah di Kabupaten Brebes, pengumpulkan data produksinya di berbagai jenis tanah sentra produksi, analisis sifat-sifat tanah terutama konsistensi dan COLE (coeficient of linier extensibility), dan analisis keterkaitan sifat tanah terhadap produksi bawang merah. Hasil penelitian menunjukkan bahwa budidaya bawang merah di Kabupaten Brebes berada di tanah Kambisol Eutrik, Gleisol Eutrik, dan Mediteran Haplik. Kambisol Eutrik memiliki produktivitas bawang merah tertinggi diikuti oleh Mediteran Haplik dan Gleisol Eutrik. Konsistensi dan nilai COLE tanah berbeda antar jenis tanah. Indeks plastisitas, jangka olah, dan nilai COLE dipengaruhi oleh kadar klei dan bahan organik tanah. Semakin tinggi kadar klei dan makin rendah kadar bahan organik, sifat olah tanah makin buruk dan produksi makin rendah.

Co-Authors Aditia Sapto Utomo Ania Citraresmini Apsari Putri Wulandari Araswati, Fulki Dwiyandi Aris Purwanto Baba Barus Budi Darmawan Supatmanto Budi Darmawan Supatmanto, Budi Darmawan Budi Nugroho Darda Effendi Desi Nadalia Dwi Mei Lawaswati Dwi Putro Tejo Baskoro Eko Taufik Wirawan Elianah Emilia Syafitri Enni Dwi Wahjunie Enny Dwi Wahjunie Fitriyani, Indri Hapsari Hari Agung Hari Agung Adrianto Kukuh Murtilaksono Kukuh Murtilaksono Kukuh Murtilaksono Kukuh Murtilaksono Latief Mahir Rachman Latief Mahir Rachman Latief Mahir Rahman Lawaswati, Dwi Mei Nurul Rahmalia Purwakusuma, Wahyu R.K. Astuti RAHAYU WIDYASTUTI Raissa Syahputri Hairani Ramadhani Sri Astuti, Andi Febrianti Reza Hanjaya Suria Darma Tarigan Syaiful Arifin Taufik Bachtiar Yani Nurhadryani Yayat Hidayat

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