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Jurnal Penelitian Pengelolaan Daerah Aliran Sungai
ISSN : 25795511     EISSN : 25796097     DOI : -
Core Subject : Agriculture,
Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (JPPDAS) ) is an official publication that publishes scientific papers of research results in the field of watershed management. This Journal was published primarily by Watershe Management Technology Center on April 2017. Journal scopes include are land and vegetation management, soil and water conservation, land rehabilitation, hydrology, social, economic, institutional, remote sensing and Geographic Information Systems (GIS) that support watershed management technologies.
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POLA HUJAN DI BAGIAN HULU DAERAH ALIRAN SUNGAI BENGAWAN SOLO DALAM PERENCANAAN PEMANFAATAN SUMBER DAYA AIR (Rainfall pattern for water resources utilization planning in the upperstream of Bengawan Solo Watershed) Diah Auliyani; Nining Wahyuningrum
Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Management Research) Vol 4, No 1 (2020): Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Managem
Publisher : Center for Implementation of Standards for Environmental and Forestry Instruments Solo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jppdas.2020.4.1.53-62

Abstract

ABSTRACTInformation about rainfall fluctuations is essential especially for local people who are still depend on natural resources. This study aims to analyze rainfall pattern in the upper stream of Bengawan Solo Watershed. This information can be used as a basis for water resources utilization planning. We analyze the rainfall data from 14 rain gauge stations descriptively to determine rainfall fluctuations and seasonal shifts. Annual rainfall in the upper stream of Bengawan Solo Watershed varies between 1,433.5 mm to 3,231.2 mm with an average of 2,224.6 mm. The beginning of the rainy or dry seasons did not change, however, the duration of the rainy season increased from 7 months (October-April) in 1990-1998 and 1999-2007 to 8 months (October-May) in 2008-2016. About 90% of rainfall was concentrated in the rainy season. Rainwater harvesting should be done to reduce runoff in the rainy season as well as efforts to provide water resources in the dry season.Keywords: Rainfall; Seasonal shift; Water resources; Bengawan Solo  ABSTRAKInformasi mengenai fluktuasi hujan sangat penting terutama bagi masyarakat lokal yang masih bergantung pada sumberdaya alam. Tujuan penelitian ini adalah untuk menganalisis pola hujan di bagian hulu Daerah Aliran Sungai (DAS) Bengawan Solo. Informasi ini dapat digunakan sebagai dasar dalam perencanaan pemanfaatan sumberdaya air. Data curah hujan tahun 1990-2016 dari 14 stasiun penakar hujan dianalisis secara deskriptif untuk mengetahui fluktuasi hujan dan pergeseran musim. Curah hujan tahunan di hulu DAS Bengawan Solo bervariasi antara 1.433,5 mm hingga 3.231,2 mm dengan rerata mencapai 2.224,6 mm. Tidak terjadi perubahan awal musim hujan maupun musim kemarau, namun demikian durasi musim hujan mengalami peningkatan dari 7 bulan (Oktober-April) pada periode 1990-1998 dan 1999-2007, bertambah menjadi 8 bulan (Oktober-Mei) pada periode 2008-2016. Sebesar 90% curah hujan terkonsentrasi pada musim hujan. Pemanenan air hujan dapat dilakukan untuk mengurangi runoff di musim hujan sekaligus sebagai upaya penyediaan sumberdaya air di musim kemarau.Kata kunci: Curah hujan; Pergeseran musim; Sumberdaya air; Bengawan Solo
FUZZY ANALYTIC HIERARCHY PROCESS BERBASIS MORFOMETRI UNTUK PRIORITAS PENANGANAN EROSI DI SUB DAERAH ALIRAN SUNGAI OYO (Fuzzy analytic hierarchy process based on watershed morphometry for erosion priority mapping in Oyo Sub Watershed) Alfiatun Nur Khasanah; Arina Miardini
Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Management Research) Vol 4, No 1 (2020): Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Managem
Publisher : Center for Implementation of Standards for Environmental and Forestry Instruments Solo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jppdas.2020.4.1.63-78

Abstract

ABSTRACTErosion is an indication of watershed degradation. In a watershed management, it is necessary to prioritize the handling that takes into account the characteristics of the watershed, one of which is morphometric character. This study aims to determine the priority location of erosion management in Oyo Watershed based on morphometric data using Fuzzy AHP modeling. Morphometric parameters that affect erosion are Rbm (bifurcation ratio), Rc (circulatory ratio), Dd (drainage density), T (texture), Su (Gradient) and Rn (Rugness Number). The highest value of the output shows the priority location that should be controlled. The high priority levels are found in 21 sub-watersheds with an area of 3,82 ha, medium levels are in 35 sub-watersheds with an area of 17,780.21 ha, low levels are in 106 sub-sub Watersheds with an area of 48,974.46 ha. The priority order for erosion management at the sub-watershed level is very important to prepare a watershed management plan in order to control soil erosion that is appropriate to protect the soil from further erosion.Keywords: fuzzy-AHP; morphometry; priority; erosion; Oyo Sub-watershed   ABSTRAKErosi merupakan salah satu indikasi kerusakan DAS. Dalam pengelolaan DAS perlu dilakukan urutan prioritas penanganan dengan memperhatikan karakteristik DAS, salah satunya yaitu karakter morfometri. Penelitian ini bertujuan untuk mengetahui lokasi prioritas penanganan erosi di Sub DAS Oyo berdasarkan data morfometri dengan menggunakan pemodelan Fuzzy AHP. Parameter morfometrik yang mempengaruhi erosi adalah Rbm (bifurcation ratio), Rc (circulatory ratio), Dd (drainage density), T (texture), Su (gradient), dan Rn (rugness number). Nilai tertinggi dari hasil analisis menunjukkan lokasi prioritas yang harus didahulukan penanganan erosinya. Tingkat prioritas tinggi terdapat pada 21 sub-sub DAS dengan luas 3.82 ha, tingkat sedang pada 35 sub-sub DAS dengan luas 17.780,21 ha, tingkat rendah pada 106 sub-sub DAS dengan luas 48.974,46 ha. Urutan prioritas penanganan erosi pada tingkat sub DAS sangat penting untuk menyusun rencana pengelolaan DAS dalam rangka pengendalian erosi tanah yang sesuai sebagai upaya perlindungan tanah dari erosi lebih lanjut.Kata kunci: fuzzy-AHP; morfometri; prioritas; erosi; Sub DAS Oyo
IMPLIKASI BERLAKUNYA PERATURAN PEMERINTAH NOMOR 46 TAHUN 2017 TENTANG INSTRUMEN EKONOMI LINGKUNGAN HIDUP TERHADAP KONSERVASI TANAH DAN AIR (Implication of Goverment Regulation Number 46 of 2017 Concerning Environmental Economical Aspect Towards Water and Soil Conservation) Albertus Sentot Sudarwanto
Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Management Research) Vol 4, No 1 (2020): Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Managem
Publisher : Center for Implementation of Standards for Environmental and Forestry Instruments Solo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jppdas.2020.4.1.1-16

Abstract

ABSTRACTIf the upstream community carries out the Soil and Water Conservation (SWC), whereas thedownstream community participates in the benefits, therefore the upstream community needs to be rewarded with Payment Environmental Services (PES). This writing aims to analyze the logical consequences of the regulation of environmental economic instruments toward the SWC, especially related to environmental services. The research method is a normative juridical approach, using secondary data consisting of primary and secondary legal materials using qualitative analysis techniques. The results of the study show that the PES has been regulated in Government Regulation Number 46 of 2017 on Environmental Economic Instruments but there is no detailed regulation related to the calculation of SWC environmental services performed by downstream communities toward upstream communities. The Watershed Management Coordination Forum together with the government formed an Ad Hoc team whose task was to manage environmental service funds. Downstream communities pay for environmental services to the upstream communities as service providers through the environmental service management agencies. Therefore, the Ministry of Environment and Forestry of the Republic of Indonesia needs to immediately compile technical regulations on the mechanism and calculation of SWC from communities and governments in the downstream region to the government and communities in the upstream region.Keywords: Implication; instruments of living environmental economic; soil and water Conservation ABSTRAKApabila masyarakat wilayah hulu melakukan Konservasi Tanah dan Air (KTA), masyarakat bagian hilir ikut merasakan manfaatnya, oleh sebab itu masyarakat hulu perlu diberi Imbal Jasa Lingkungan (IJL). Penulisan ini bertujuan menganalisis konsekuensi logis pengaturan tentang instrumen ekonomi lingkungan hidup terhadap KTA khususnya terkait dengan jasa lingkungan. Metode penelitian dengan pendekatan yuridis normatif, menggunakan data sekunder yang terdiri dari bahan hukum primer dan bahan hukum sekunder dengan Teknik analisis secara kualitatif. Hasil kajian menunjukkan IJL telah diatur dalam Peraturan Pemerintah Nomor 46 Tahun 2017 Tentang Instrumen Ekonomi Lingkungan Hidup tetapi belum ada pengaturan secara rinci terkait penghitungan jasa lingkungan KTA yang dilakukan oleh masyarakat hilir kepada masyarakat hulu. Forum Koordinasi Pengelolaan DAS Bersama pemerintah membentuk tim Ad Hoc yang memiliki tugas mengelola dana jasa lingkungan. masyarakat hilir membayar jasa lingkungan kepada masyarakat hulu sebagai penyedia jasa melalui lembaga pengelola jasa lingkungan. Oleh karena itu, Kementerian Lingkungan Hidup dan Kehutanan RI perlu segera menyusun peraturan teknis tentang mekanisme dan penghitungan IJL KTA dari masyarakat dan pemerintah di wilayah hilir kepada pemerintah dan masyarakat di wilayah hulu.Kata kunci: Implikasi; Instrumen Ekonomi Lingkungan Hidup; KTA; DAS
APLIKASI METODE SIDIK CEPAT JASA LINGKUNGAN PADA DAS MIKRO (Rapid assessment method of environmental services in the micro catchment) Anang Widicahyono; San Afri Awang; Ahmad Maryudi; Muhammad Anggri Setiawan
Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Management Research) Vol 4, No 1 (2020): Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Managem
Publisher : Center for Implementation of Standards for Environmental and Forestry Instruments Solo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jppdas.2020.4.1.79-102

Abstract

ABSTRACTWatershed areas are used for a variety of environmental services that become a basic framework for watershed management activities. This study aims to develop and apply the rapid identification and assessment of environmental services at micro catchment level at Cebong Sub-watershed, Wonosobo Regency. This study uses three basic principles: (i) spatial and inter-regional relationships, (ii) causal relationship mechanism, and (iii) potential and impact values. This method is a combination of spatial analysis using Geographic Information Systems, causal relationship analysis using systems thinking, and economic valuations. The results indicated that the diversity of environmental services in the Cebong Sub-watershed are in the forms of: 1) provision services for food and water sources; 2) regulatory services for carbon stocks, and erosion and sedimentation control, 3) habitat services for  iodiversity, and 4) cultural services for tourism. As food supply services, potato farming provides the highest benefit value although generate other potential environmental services. As cultural services, tourism share lower value of direct benefits, but support the sustainable use of environmental services in the watershed. This is an initiative research to develop a technical guide in managing the micro catchment based on environmental services.Keywords: rapid assesment method; environmental services; micro-catchment ABSTRAKWilayah DAS terbagi habis oleh ekosistem dengan keragaman jasa lingkungan yang dapat dijadikan sebagai kerangka dasar kegiatan pengelolaan DAS. Penelitian ini bertujuan untuk mengembangkan serta mengaplikasikan metode sidik cepat identifikasi dan penilaian jasa lingkungan pada level DAS mikro di Sub DAS Cebong, Kabupaten Wonosobo. Penelitian ini menggunakan tiga prinsip dasar: (i) spasial dan hubungan antar wilayah, (ii) mekanisme hubungan sebab akibat, serta (iii) nilai potensi dan dampak. Metode sidik cepat jasa lingkungan merupakan kombinasi analisis spasial dengan pemanfaatan Sistem Informasi Geografis, analisis hubungan sebab akibat dengan metode system thinking, serta valuasi ekonomi. Hasil identifikasi sidik cepat menunjukkan keragaman jasa lingkungan di Sub DAS Cebong berupa: 1) jasa penyediaan dengan jasa utama sumber makanan dan air domestik, 2) jasa regulasi dengan jasa utama cadangan karbon dan pengendalian erosi sedimentasi, 3) jasa habitat dengan jasa utama biodiversitas, dan 4) jasa budaya dengan jasa utama pariwisata. Jasa penyediaan makanan dalam bentuk pertanian kentang memberikan nilai manfaat paling tinggi, namun memunculkan penurunan potensi jasa lingkungan lainnya. Jasa budaya berupa pariwisata, meskipun nilai manfaat langsungnya lebih rendah, namun dapat mendukung keberlanjutan pemanfaatan jasa lingkungan di dalam DAS. Penelitian ini menjadi sebuah inisiasi petunjuk teknis rencana pengelolaan DAS mikro berbasis jasa lingkungan.Kata kunci: metode sidik cepat; jasa lingkungan; DAS Mikro
MEMBANGUN PROSES PERENCANAAN PENGELOLAAN DAERAH ALIRAN SUNGAI MIKRO SECARA PARTISIPATIF: SEBUAH PEMBELAJARAN (Developing a participatory planning process of micro-watershed management: a lesson learned) Agung Budi Supangat; Dewi Retna Indrawati; Nining Wahyuningrum; Purwanto Purwanto; Syahrul Donie
Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Management Research) Vol 4, No 1 (2020): Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Managem
Publisher : Center for Implementation of Standards for Environmental and Forestry Instruments Solo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jppdas.2020.4.1.17-36

Abstract

ABSTRACTPlanning is one of the very important stages in the micro watershed management. Difficulties and failures in the management of micro watershed are often caused by failures in the building of participatory planning processes with the community as well as a collaborative mechanism with relevant parties. This action research aims to find the applicable processes or stages of participatory planning based on the experience and evaluation of existing processes. The research was carried out in the Naruan micro watershed, Keduang sub-watershed, Bengawan Solo upper watershed. Some lessons learned that can be found from this research are as follows: 1) detailed baseline data related to the potential and vulnerability characteristics of micro watershed is very important to be understood before planning process; 2) micro watershed planning process cannot fully rely on community participation, but it should be a combination of top-down and participatory mechanism; 3) top-down planning is related to the provision of proper land management guidelines in the upstream area; 4) participatory planning is carried out when preparing of land use plans, determining the appropriate types of soil and water conservation activities, as well as identifying the resources contribution from the community as a form of participation; 5) collaborative action plans are needed to be built with relevant parties to support integrative and sustainable micro watershed management.Keywords: Collaboration; micro watershed; participation; planning ABSTRAKTahapan perencanaan merupakan bagian yang sangat penting dalam rangkaian kegiatan pengelolaan Daerah Aliran Sungai (DAS) skala operasional (DAS mikro). Kesulitan dan kegagalan pengelolaan DAS mikro seringkali bermula dari kegagalan dalam membangun proses perencanaan partisipatif bersama masyarakat dan kolaboratif dengan para pihak terkait. Kegiatan penelitian tindakan (action research) ini bertujuan untuk menemukan proses/tahapan perencanaan partisipatif yang lebih aplikatif berdasarkan pengalaman dan evaluasi proses yang sudah ada. Penelitian dilaksanakan di DAS Mikro Naruan, Sub DAS Keduang, DAS Bengawan Solo Hulu. Pelajaran yang dapat diambil dari kegiatan adalah sebagai berikut: 1) Basis data dasar (baseline data) detil terkait karakteristik potensi dan kerentanan wilayah DAS mikro sangat penting diketahui sebelum proses perencanaan; 2)Proses perencanaan pengelolaan DAS mikro tidak dapat sepenuhnya mengandalkan partisipasi masyarakat, tetapi perlu kombinasi antara sistem top down dan partisipatif; 3) Perencanaan yang sifatnya top down menyangkut pemberian rambu-rambu pengelolaan lahan yang benar di wilayah hulu DAS; 4) Perencanaan partisipatif dilakukan pada saat penyusunan rencana penggunaan/ pemanfaatan lahan, jenis kegiatan konservasi yang sesuai serta andil sumber daya dari masyarakat sebagai bentuk partisipasi; 5) Rencana kolaboratif perlu dibangun dengan para pihak terkait dalam rangka keterpaduan dan keberlanjutan kegiatan pengelolaan DAS mikro.Kata kunci: Kolaborasi; DAS mikro; partisipasi; perencanaan
STUDI KARAKTERISTIK HIDROLOGI SUB DAERAH ALIRAN SUNGAI (DAS) JIRAK MENGGUNAKAN TIME SERIES ANALYSIS (Hydrological Characteristics Study of Jirak Sub Watershed Using Time Series Analysis) Bayu Argadyanto Prabawa
Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Management Research) Vol 4, No 1 (2020): Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Managem
Publisher : Center for Implementation of Standards for Environmental and Forestry Instruments Solo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jppdas.2020.4.1.37-52

Abstract

ABSTRACTJirak Sub Watershed is one of the resurgence river in Gunungkidul. This river flow into Kalisuci Cave, and becomes an underground river. This underground river is used for tourism activities known as CaveTubing. The main problem of this tourism activities is frequent flood events. This flood comes from input discharge originating from Jirak River as the upstream of Kalisuci Cave. This research aim is to determine the hydrological characteristics of Jirak Sub Watershed in Kalisuci Cave Tourism area with the hope in increasing the understanding of the tourism operators regarding regulation of the flood early warning and evacuation systems. Hydrological characteristics were determined from the discharge rating curve, time lag (Tlag) and effective rainfall (Pe) calculation. The result of this research shows that the time lag between the rain occurrence and early flood occurrence at Jirak Sub Watershed ranged from 2,5 to 3 hours. Fast response of peak discharge indicates that Jirak Sub Watershed has a fast response drainage system to rainfall in rainy season. The effective rainfall percentage was determined from the 17 selected flood hydrograph which the value increased from the early phase until the end of rainy season. This hydrological characteristic of Jirak Sub Watershed can be used by Kalisuci Cave tourism management team as flood early warning and evacuation system.Keywords: flood; hydrological characteristic; time lag; effective rainfall ABSTRAKSub Daerah ALiran Sungai (DAS) Jirak adalah salah satu aliran sungai yang muncul kembali di Gunungkidul. Aliran sungai mengalir ke dalam. Gua Kalisuci, dan menjadi sungai bawah tanah. Sungai bawah tanah ini digunakan untuk kegiatan pariwisata yang dikenal sebagai Cave Tubing. Masalah utama dari kegiatan pariwisata ini adalah terjadinya banjir. Banjir ini berasal dari debit yang berasal dari Sungai Jirak sebagai hulu dari Gua Kalisuci. Penelitian ini bertujuan untuk mengetahui karakteristik hidrologis Sub DAS Jirak di lokasi Wisata Gua Kalisuci dengan harapan akan menambah pemahaman pengelola wisata Gua Kalisuci terkait pengaturan sistem peringatan dini dan sistem evakuasi ketika terjadi banjir. Karakteristik hidrologi ditentukan dari rating curve, jeda waktu (Tlag) dan perhitungan curah hujan efektif (Pe). Hasil penelitian ini menunjukkan bahwa jeda waktu antara kejadian hujan dan kejadian banjir awal di Sub DAS Jirak berkisar antara 2,5 hingga 3 jam. Respon debit puncak yang cepat mengindikasikan bahwa Sub DAS Jirak memiliki sistem drainase yang cepat merespon hujan di musim hujan. Persentase curah hujan efektif ditentukan dari 17 hidrograf banjir terpilih yang nilainya meningkat dari fase awal hingga akhir musim hujan. Karakteristik hidrologi Sub DAS Jirak ini dapat digunakan oleh tim manajemen pariwisata Gua Kalisuci sebagai peringatan dini dan untuk evakuasi ketika banjir terjadi.Kata kunci: banjir; karakteristik hidrologi; jeda waktu; hujan efektif

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