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All Journal International Journal of Advances in Applied Sciences Indonesian Journal of Geography IPTEK The Journal for Technology and Science Jurnal Ilmu Kebumian Teknologi Mineral (JIK TekMin) Journal of Geoscience, Engineering, Environment, and Technology Jurnal ASPIKOM Jurnal Mineral, Energi dan Lingkungan Prosiding Temu Profesi Tahunan PERHAPI KURVATEK Jurnal Mineral, Energi dan Lingkungan Prosiding Seminar Teknologi Kebumian dan Kelautan (SEMITAN Journal of Earth and Marine Technology (JEMT) Journal of Applied Sciences, Management and Engineering Technology (JASMET)

Sari Bahagiarti Kusumayudha Sari Bahagiarti Kusumayudha

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Author-ID : 372349

Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Physics Social Sciences Transportation

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Groundwater quality in Ponjong Karst, Gunungkidul Regency, Special Region of Yogyakarta Sari, Avellyn Shintya; K, Sari Bahagiarti; Suharsono, Suharsono; Prasetyadi, C
Journal of Earth and Marine Technology (JEMT) Vol 1, No 1 (2020)
Publisher : Lembaga Penelititan dan Pengabdian kepada Masyarakat - Institut Teknologi Adhi Tama Suraba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jemt.2020.v1i1.1142

The hydrogeological condition of a region is determined by the type of lithology, morphology, and subsurface conditions where the condition is very helpful in the study of groundwater exploration. Especially when we encounter interesting geological conditions when the groundwater exploration in the karst area in which volcanic rocks are resulting from the activities of the active volcano in the past. Groundwater exploration at Ponjong area and surrounding does have its special characteristics, because it has 2 different rock characteristics where the northern part of the research area in the form of a karst area (limestone of Wonosari Formation) while the southern part is an area of ancient volcanoes with dominant volcanic rocks from Wuni Formation, As for the research on the above and subsurface research area where the research is conducted based on surface geology mapping, geoelectric data collection, and groundwater sampling. Geological mapping includes geomorphological data, stratigraphy, and geological structure. The aquifer system of the research area can be divided into two systems, inter-grain aquifer systems, and fracture aquifer systems. Overall quality groundwater in the research area is quite good. Ponjong District there are mining activities that have resulted in changes in the land use system in the area. This can cause changes in the water surplus in the area due to the changing catchment area.

Geomorphological Assessment to Tract the Flow Evolution of Kali Putih, Srumbung District, Magelang Regency, Central Java, Indonesia Sari Bahagiarti Kusumayudha; I Made Oki Sanjaya; Helmy Murwanto; Sugeng Raharjo
Journal of Geoscience, Engineering, Environment, and Technology Vol. 5 No. 1 (2020): JGEET Vol 05 No 01: March 2020
Publisher : UIR PRESS

Kali Putih (The White River) is located in Srumbung district, Magelang regency, Central Java, Indonesia. It is originated from the upper slope of Merapi volcano, flowing to the Southwest direction. Kali Putih belongs to one of the most channels where frequently flowed by lahar of Merapi volcano. Based on geomorphological and geological traces found at the surrounding of modern Kali Putih channel, this indicated that the flow of Kali Putih has undergone displacement several times. The position of ancient river valley in the past has changed into the modern river valley in the present time. The existence of ancient Kali Putih is exhibited by the presence of large dry valley morphology associated with volcanic blocks, gravels, and sand sized materials with various sorting, representing the characteristics of lahar and alluvial deposits. In the present time, the former river channels are currently used by local people for agricultural and fisheries land.

Eruption Characteristic of the Sleeping Volcano, Sinabung, North Sumatera, Indonesia, and SMS Gateway for Disaster Early Warning System Sari Bahagiarti Kusumayudha; Puji Lestari; Eko Teguh Paripurno
Indonesian Journal of Geography Vol 50, No 1 (2018): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Sinabung, the sleeping volcano since the year 1600 awakened and erupted in 2010, 2013, and 2015. The volcano is located in Karo District, North Sumatera Province, Indonesia, geographically on 3o10’ North Latitude, and 98o23, East Longitude. It is about 2460 m high above sea level, and the highest volcano of Sumatera. Sinabung has been estimated about 400 years long inactive, therefore categorized as B type of volcano. It was astonishing; Sinabung erupted on 27 August 2010, again on November 2013, and in May to June 2015. Awakening of the volcano hypothetically has been triggered by last decade earthquakes happened in North Sumatera and surrounding area, including the great earthquake and tsunami of Aceh, December 2004 that caused about 115,000 people died. Because of the volcano has been slept for a long time, people live in the surrounding area were not prepared yet to facing the eruption. In order to reduce the risk such a countermeasure should be developed especially that directly involving local people participation. In this case such an environmental communication system is needed to be developed, it is SMS gate way for disaster early warning system.

Hydrogeological Risk Assessment for Groundwater Conservation in the Northeastern Slope Area of Mount Arjuno, Pasuruan Regency, East Java, Indonesia Sari Bahagiarti Kusumayudha; Puji Pratiknyo; Herry Riswandi; Eni Muryani
Indonesian Journal of Geography Vol 53, No 1 (2021): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.59476

The northeastern slope of Mount Arjuno, Pasuruan district, East Java province, Indonesia represents a vast and good groundwater resource quality, generally be exploited by some companies for drinking water industries. Water unbalance and quality degradation is presumed to arise because groundwater extraction volume is getting bigger but less control by the regency authority. This study is to figure out the geologic condition and hydrogeological system, conduct groundwater exploitation risk assessment, and develop a conservation program. The study results show that the study area's geomorphological units can be divided into the volcanic summit, volcanic slope, fluvial plain, and anticlinal hills. The lithology comprises sandstone, breccia, and andesite lava of Mount Arjuno and Mount Welirang. The geological structures are anticline, normal fault, and lateral slip fault. Hydrologically, there are three watersheds, including Lumbangrejo, Ketanireng, and Prigen watersheds. The aquifers comprise unconfined to semi-confined aquifers with fissures and intergranular porosity. Based on risk assessment valuation, Pecalukan village of the Ketanireng watershed and Lumbangrejo village of the Lumbangrejo watershed are categorized as very high groundwater vulnerability zones, Karangrejo and Sukoreno villages of the Lumbangrejo watershed, Kedungringin, Kepulungan, and Gunungsari villages of the Ketanireng watershed are categorized as medium vulnerability zone. While, Ngorong village of the Lumbangrejo watershed, Gempeng, Oro-Ombo, Kalisat, and Dukuhsari villages of the Prigen watershed belong to the low vulnerability zone. The proposed conservation programs involve profitable water use safety campaigns, domestic waste, and industrial wastewater management, agricultural activities controlling, sandstone mining regulation, and reforestation.

Analisis Kestabilan Lereng untuk Meminimalisir Resiko Bencana Tanah Longsor di Lembah Cerorong, Kecamatan Pringgarata Kabupaten Lombok Tengah, Nusa Tenggara Barat Bedy Fara Aga Matrani; Sari Bahagiarti Kusumayudha; Purwanto Purwanto
Jurnal Ilmu Kebumian Teknologi Mineral (JIK TekMin) Vol 1, No 2 (2015)
Publisher : Fakultas Teknologi Mineral

Show Abstract | Download Original | Original Source | Check in Google Scholar

Lembah Cerorong, a valley which located in the Pringgarata district of Central Lombok regency is a landslide-prone zones. In 1994, there occurred the first avalanche that initially generate the valley.Until 2014 avalanches had been persisted, resulting in widening of the valley and creating steep slopes. The landslide-prone area is situated about 30 meters from a settlement location. Therefore, this zone is potential to threathening the safeness of people living near by the area. Landslide occurrences are caused by the inbalance of stresses acting on such a slope. Factors that contribute to the stability of Lembah Cerorong are slope inclination, lithology, hydrogeology and rainfall. One factor that plays an important role in the occurrence of landslide is the rising of groundwater level in soil during rainy season. Some slope in the study area reach ± 80ᵒ, while the type of avalanche belongs to rotational slide. From the computation using software Slope / W, it is obtained that the safety factor of slope 1 = 0.738 to 0.757; slopes 2 = 0.901 to 0.915; slope 3 = 0.875 to 0.901. This shows that all the slopes are unstable. Countermeasures can be done to reduce the risk of avalanche is lowering and benching the steep slopes, and then recalculate the safety factor of the slope with software Slope / W. Recalculation results that safety factor of slope 1 = 1.626 to 1.827; slope 2 = 1.759 to 2.205 and the slope 3 = 1.245 to 1.331. This proves that after doing remediation, all the slopes are in stable condition. In addition to increase the slope stability, it can be done by constructing gabion wire containing rocks at the foot of the slopes, and plantation around the slopes.Keywords: landslide, causative factor, slope stability, countermeasure AbstrakLembah Cerorong yang terletak di Kecamatan Pringgarata Lombok Tengah merupakan zona rawan longsor. Pada tahun 1994, terjadi longsoran pertama yang merupakan awal dari pembentukan lembah. Sampai dengan tahun 2014 longsoran demi longsoran terus berlanjut, sehingga menyebabkan lembah semakin luas dan membentuk lereng-lereng yang terjal. Daerah rawan longsor ini berjarak sekitar 30 meter dari lokasi pemukiman. Oleh sebab itu daerah ini sangat berpotensi untuk membahayakan keselamatan penduduk yang bermukim di dekatnya. Peristiwa tanah longsor terjadi akibat tidak seimbangnya tegangan yang bekerja pada suatu lereng. Faktor-faktor yang berperan pada kestabilan lereng lembah Cerorong antara lain kelerengan, litologi, hidrogeologi dan curah hujan. Salah satu faktor yang sangat berperan penting dalam terjadinya longsoran adalah meningkatnya kadar air di dalam tanah pada saat musim hujan. Kemiringan lereng pada daerah penelitian mencapai ± 80ᵒ, sementara jenis longsoran termasuk tipe rotasi. Dari hasil perhitungan menggunakan software Slope/W didapatkan faktor keamanan lereng 1 = 0,738 - 0,757; lereng 2 = 0,901 – 0,915; lereng 3 = 0,875 – 0,901. Hal ini menunjukkan bahwa semua lereng dalam kondisi labil.Upaya penanganan yang dapat dilakukan untuk mengurangi resiko longsor pada lembah Cerorong adalah pelandaian serta pembuatan benching pada lereng yang terjal, selanjutnya menghitung kembali faktor keamanan lereng dengan software Slope/W. Hasilnya didapatkan faktor keamanan lereng 1 = 1,626 – 1,827; lereng 2 = 1,759 – 2,205 dan lereng 3 = 1,245 – 1,331. Hal ini membuktikan bahwa setelah dilakukan perbaikan, semua lereng dalam kondisi stabil. Upaya lain yang dapat dilakukan untuk meningkatkan kestabilan lereng yaitu dengan pemasangan bronjong kawat berisi batu pada kaki lereng, serta penanaman pepohonan di sekitar lereng. Kata kunci: longsoran, faktor penyebab, kestabilan lereng, penanggulangan.

Detecting Springs in the Coastal Area of the Gunungsewu Karst Terrain, Yogyakarta Special Province, Indonesia, Analysis using Fractal Geometry Sari Bahagiarti Kusumayudha Sari Bahagiarti Kusumayudha
IPTEK The Journal for Technology and Science Vol 20, No 4 (2009)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20882033.v20i4.86

The Gunungsewu area is a karst terrain with water scarcity, located in the Yogyakarta Special Province, adjacent to the open sea of Indian Ocean in the South. Shorelines of the Gunungsewu southern parts show fractal geometry phenomenon, and there can be found some groundwater outlets discharging to the Indian Ocean. One of the coastal outlets exists at the Baron Beach.The amount of water discharge from this spring reaches 20,000 l/sec in wet season, and approximately 9000 in dry season. In order to find other potential coastal springs, shoreline of the south coast is divided into some segments. By applying fractal analysis utilizing air photo of 1 : 30,000 scale, the fractal dimension of every shore line segment is determined, and then the fractal dimension value is correlated to the existence of spring in the segment being analyzed. The results inform us that shoreline segments having fractal dimension (D) > 1.300 are potential for the occurrence of coastal springs.

ANALISIS LAJU EROSI TANAH DAN HIDROLOGI PADA LAHAN BEKAS TAMBANG DI KECAMATAN PONJONG KABUPATEN GUNUNGKIDUL PROVINSI YOGYAKARTA Avellyn Shinthya Sari; Sari Bahagiarti K; Suharsono Suharsono; C. Prasetyadi
Prosiding Temu Profesi Tahunan PERHAPI 2020: PROSIDING TEMU PROFESI TAHUNAN PERHAPI
Publisher : PERHAPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36986/ptptp.v0i0.223

Di Kecamatan Ponjong Kabupaten Gunung Kidul banyak terdapat kegiatan pertambangan bahan galian industri terutama bahan galian batugamping. Dampak negatif akibat kegiatan ini salah satunya adalah peningkatan erosi pada lahan bekas penambangan. Masalah dari penelitian ini adanya tingkat erosi yang sangat tinggi akibat adanya penambangan karena tidak adanya vegetasi sehingga pada saat curah hujan tinggi mudah terjadinya erosi tanah. Tujuan dari penelitian ini untuk menganalisis tingkat erosi tanah serta memberikan arahan untuk prioritas konservasi lahan. Metode yang digunakan dalam penelitian ini ialah USLE. Untuk Pengujian sampel tanah di laboratorium menggunakan 3 metode yaitu walkey and black untuk kandungan organik, hydrometer untuk analisa tekstur tanah dan de boodt untuk permeabilitas tanah. Perhitungan tingkat bahaya erosi dengan persamaan USLE memiliki tingkat bahaya erosi dalam kategori kelas sangat ringan sampai dengan sangat berat. Nilai rata-rata laju erosi tanah dengan persamaan USLE sebesar 217,69 m3 /Ha/Tahun. Arahan prioritas konservasi lahan dilakukan berdasarkan tingkat bahaya erosi yang ada mulai dari kelas sangat berat ke kelas moderat. Penanganan erosi tanah dengan melakukan revegetasi di setiap lokasi yang perpotensi terjadinya erosi agar tingkat bahaya erosi pada area yang mengalami kerusakan lahan menjadi normal.

APLIKASI BAND RATIO NDMI CITRA LANDSAT 8 DALAM PENENTUAN ZONA RAWAN LONGSOR DENGAN METODE OVERLAY ANALYSIS Vinansius Jimmy Jati; Sari Bahagiarti Kusumayudha; Tedy Agung Cahyadi
KURVATEK Vol 5 No 1 (2020): April 2020
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v5i1.1566

Generally disaster research specifically identifies landslide-prone zones, over large areas with extreme terrain, usually secondary data on soil depth and texture are very rarely available, compared to topographic data, rock types, rock distribution and rainfall data. As an alternative the remote sensing method uses Landsat 8 imagery with the Normalized Difference Moisture Index (NDMI) band ratio method, the NDMI band ratio is able to identify the soil surface moisture index so that it can be interpreted with textures and soil depth related to the level of landslide vulnerability. With the method of overlay analysis using geographic information system (GIS) software, it is considered capable of analyzing the level of landslide vulnerability, especially in research on a regional scale, in remote areas that are difficult to access, based on secondary data availability. Keywords: Landsat, NDMI, Landslides, GIS

Geologi dan Manivestasi Tektonik Gayaberat Gunung Pawinihan di Kabupaten Banjarnegara Jawa Tengah Sari Bahagiarti Kusumayudha; Heru Sigit Purwanto
Jurnal Mineral, Energi dan Lingkungan Vol 4, No 2 (2020): Desember
Publisher : Fakultas Teknologi Mineral, Universitas Pembangunan Nasional (UPN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmel.v4i2.3533

Gunung Pawinihan, sebuah kerucut gunungapi purba, berada di tapal batas antara Kecamatan Karangkobar dan Kecamatan Banjarmangu, Kabupaten Banjarnegara, Jawa Tengah. Secara astronomis, puncak gunung tersebut terletak pada titik potong antara garis 109o41’35” Bujur Timur dan garis 7o18’51” Lintang Selatan. Dalam pembagian fisiografi Jawa Tengah, gunung ini termasuk di Zona Pegunngan Serayu Utara. Batuan alas Gunung Pawinihan adalah Formasi Merawu, terdiri dari napal, serpih, batulempung berselingan dengan batupasir gampingan, berumur Miosen Tengah (N12 – N13). Sementara itu penyusun tubuh Gunung Pawinihan adalah endapan vulkanik yang secara regional merupakan anggota dari Formasi Jembangan, tersusun atas lava dan breksi piroklastik dengan komposisi andesit piroksen serta andesit olivin, berumur Plestosen. Pada tubuh Gunung Pawihinan dijumpai sesar-sesar normal berjenjang dengan jurus Timurlaut-Baratdaya. Bagian-bagian tubuh serta lereng-lereng gunung inipun acap runtuh sebagai manivestasi gaya berat massa yang berada pada bidang miring. Gerak-gerak gravitasional tersebut berupa longsoran dan lengseran tubuh Gunung Pawinihan dengan arah umum ke Tenggara menuju lembah Kali Urang - Kali Merawu, anak Sungai Serayu di Selatan daerah penelitian. Peristiwa longsor besar terakhir terjadi pada tanggal 4 Januari 2006, menimbulkan kerugian dan menewaskan sekitar 100 orang penduduk di desa Sijeruk.

Analisis Kesiapsiagaan Masyarakat Terhadap Gerakan Massa Tanah di Dusun Nglinggo, Desa Pagerharjo, Kec. Samigaluh, Kab. Kulonprogo, D.I Yogyakarta Aininda Yoga S P; Sari Bahagiarti Kusumayudha; Andi Sungkowo
Jurnal Mineral, Energi dan Lingkungan Vol 4, No 1 (2020): Juni
Publisher : Fakultas Teknologi Mineral, Universitas Pembangunan Nasional (UPN)

Gerakan tanah merupakan salah satu peristiwa alam yang sering menimbulkan bencana dan kerugian material (Fitriadi, 2017), berdasarkan artikel yang diterbitkan Kementerian ESDM tentang Pengenalan Gerakan Tanah, gerakan massa tanah adalah perpindahan material pembentuk lereng berupa batuan, bahan rombakan, tanah, atau material campuran tersebut bergerak ke bawah atau keluar lereng. Bencana yang ditimbulkan oleh gerakan massa tanah di Kecamatan Samigaluh pada tahun 2017 mengakibatkan terputusnya jalur transportasi, rusaknya infrastruktur, rusaknya sanitasi lingkungan dan keselamatan masyarakat terancam. Berdasarkan hasil observasi pada 17 April 2018 ditemukan tiga titik lokasi gerakan massa tanah. Penelitian ini bertujuan untuk menganalisis gerakan massa tanah di Dusun Nglinggo juga kesiapsiagaan masyarakat dalam menghadapi ancaman gerakan massa tanah.Metode penelitian yang digunakan yaitu, kuantitatif dan kualitatif dengan pendekatan survei, pengumpulan data populasi yang besar, menggunakan sampel yang relatif kecil. Serta pemetaan guna melengkapi data sebaran gerakan massa tanah dan kerentanannya, metode wawancara digunakan untuk bertukar informasi dan ide melalui tanya jawab berdasarkan undang-undang no.24 tahun 2007. Hasil pada penelitian ini yaitu, ancaman gerakan massa tanah di Dusun Nglinggo tidak meliputi seluruh daerah tersebut. Karena Dusun Nglinggo dan sekitarnya memiliki material yang cukup kuat seperti batuan vulkanik berupa breksi andesit, lava andesit dan tuf-lapili, kesiapsiagaan masyarakat Dusun Nglinggo terhadap gerakan massa tanah termasuk dalam kategori kurang siap, namun untuk pengetahuan masyarakat sangatlah baik serta koordinasi antar masyarakat dan aparat sangatlah kondusif.Kata kunci: Kesiapsiagaan, Bencana, Gerakan Massa Tanah, Dusun Nglinggo, Kulonprogo.

Co-Authors Agus Harjanto - Aininda Yoga S P Andi Renata Ade Yudono Andi Sungkowo Arhananta - - Avellyn Shinthya Sari Avellyn Shinthya Sari Avellyn Shintya Sari Azwar Thamrin Azwar Thamrin Bambang Prastistho Berliyan Ramadhaniyanto C Prasetyadi C. Prasetyadi Cahyadi, Tedy Agung Corolus Prasetyadi Delvianus Kaesmetan Eko Teguh Paripurno Eni Muryani Hanafiah Hamid Helmy Murwanto Herry Riswandi Heru Sigit Purwanto I Made Oki Sanjaya Istiana Rahatmawati Lestari, Puji Matrani, Bedy Fara Aga Mufi Bustomi Anam Muhammad Faizal Zakaria Muhammad Faizal Zakaria Prasetyadi, C Puji Pratiknyo Purwanto Purwanto Sari, Avellyn Shintya Sugeng Raharjo Suharsono Suharsono Suharsono Suharsono Suharsono Suharsono Suharsono Suharsono Tara Shinta Dewi Tuti Setyaningrum Vinansius Jimmy Jati Yanuar Nursani Indriani

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