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All Journal Indonesian Journal of Geography Bulletin of Scientific Contribution : Geology IJOG : Indonesian Journal on Geoscience Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Journal of Degraded and Mining Lands Management Jurnal Ilmiah Dinamika Rekayasa (DINAREK) Jurnal Pendidikan Geografi: Kajian, Teori, dan Praktik dalam Bidang Pendidikan dan Ilmu Geografi Jurnal Teknologi Mineral dan Batubara Journal of Geoscience, Engineering, Environment, and Technology Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) JLBG (Jurnal Lingkungan dan Bencana Geologi) (Journal of Environment and Geological Hazards) Indonesian Mining Journal Buletin Sumber Daya Geologi JURNAL SUMBER DAYA AIR Kumawula: Jurnal Pengabdian Kepada Masyarakat Indonesian Journal on Geoscience Indonesian Journal on Geoscience Jurnal Perspektif Pembiayaan dan Pembangunan Daerah Journal of Geoscience Engineering and Energy (JOGEE) Jurnal Geominerba Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII Jurnal Geologi dan Sumberdaya Mineral (Journal of Geology and Mineral Resources) Jurnal Teknologi Mineral dan Batubara Journal of Geosciences and Applied Geology Indonesian Mining Journal Geoid - Journal of Geodesy and Geomatics

Emi Sukiyah

Fakultas Teknik Geologi, Universitas Padjadjaran

Author-ID : 2344891

Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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PERAN ASPEK GEOMORFOLOGI DALAM MENENTUKAN KARAKTERISTIK ENDAPAN DEBRIS AVALENCHES GUNUNG PAPANDAYAN, GARUT, JAWA BARAT Nursalim, Asep; Sulaksana, Nana; Sukiyah, Emi
Bulletin of Scientific Contribution Vol 14, No 1 (2016): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Studies in this research are the characteristics of one of material deposits from the volcanoes eruption. Volcanic activity in Indonesia is a natural phenomenon that can occur at any time. Both material losses and loss of life will always happen at any moment in particular that deal directly with the volcano. The volcanic activity was resulted is deposition of debris avalanches. The study was conducted deposition of debris avalanches in complex of Papandayan volcanoes, Garut, West Java.In this study conducted by the interpretation of high resolution image data , and morphometry sub watershed for the morphologic aspects. The study was conducted to compare the deposited of debris avalanches from the eruption in 1772 and the eruption of 2002. Descriptive analysis of physical properties indicate a difference in both the materials. Deposition of debris avalanches in 1772 showed that sediment material is dominated by the matrix with widespread distribution . While the deposition of debris avalanches in 2002 are dominant fragment sizes and larger components and distribution concentrated in the upper reaches of the river that flows into the Cimanuk river. Both of debris avalanches are absent a scoria, pumice and large juveniles, which is one parameter of explosive. Analysis of watershed morphometry showed different drainage densities in both materials, which is conducted to determine the resistance response of rocks whereas deposited debris avalanches. Keywords : Eruption, Debris avalanches, G. Papandayan. Studi dalam penelitian ini mengenai karakteristik salah satu endapan material hasil erupsi gunung api. Aktifitas gunung api di Indonesia merupakan salah satu fenomena alam yang dapat terjadi setiap saat. Kerugian baik materi maupun korban jiwa akan selalu terjadi setiap saat di khususnya yang berhadapan langsung dengan gunung api tersebut. Salah satu hasil dari aktifitas gunung api tersebut menghasilkan endapan debris avalanches. Penelitian endapan debris avalanches ini dilakukan di komplek Gunung api Papandayan, Kabupaten Garut, Jawa Barat.Dalam penelitian ini dilakukan dengan cara interpretasi data citra resolusi tinggi, dan morfometri sub DAS untuk aspek morfologinya. Penelitian dilakukan untuk membandingkan endapan debris avalanches hasil erupsi tahun 1772 dan erupsi tahun 2002. Hasil analisis deskriptif sifat fisik menunjukkan adanya perbedaan kedua endapan tersebut. Endapan debris avalanches tahun 1772 menunjukkan material endapan yang didominasi oleh matrik dengan penyebaran yang luas. Sedangkan endapan debris avalanches tahun 2002 dominan ukuran fragmen dan komponen yang besar dan penyebarannya terkonsentrasi di hulu sungai yang mengalir ke sungai Cimanuk. Kedua endapan tidak ditemukan pumis dan skoria serta juvenil yang besar yang merupakan salah satu parameter eruspsi eksplosif. Dari analisis morfometri daerah aliran sungai memperlihatkan kerapatan pengaliran yang berbeda di kedua endapan, yang dilakukan untuk mengetahui respon resistensi batuan dimana endapan debris avalanches diendapkan. Kata kunci : Erupsi, Debris avalanches, G. Papandayan.

KARAKTERISTIK LAVA DAN KEMUNGKINAN PEMANFAATANNYA SEBAGAI BAHAN GALIAN KONSTRUKSI DAERAH MALIMPING KABUPATEN BANDUNG, JAWA BARAT Sukiyah, Emi
Bulletin of Scientific Contribution Vol 3, No 2 (2005): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

This research background are potency and limitation aspects in construction material resourcesapplication in southern part of Bandung Regency. The problem of research is role of lava characteristicin application designe as construction material resources. This research use deduction method withprobabilityapproach. Result of research show lava at Malimping area and surrounding have characteristicare grey-black, fine to intermediate texture, basaltic. A part of lava has sheeting joint and anothermassive. Based on petrographic analysis, a part of lava has a little alteration. That condition showed bya part of pyroxene had altered to chlorite. Result of chemical and physical analysis of rock show lava atMalimping area and surrounding is basalt. Potency of lava at Malimping is significane as contructionmaterial. Based on morphometry calculation and lava outcrop spreading, lava potency estimated44.573.500 m3. Nevertheless, that all potency can’t used because it spread in upper area of Citarumriver. Based on lava characteristics, outcrop position, regulation of landuse and trend of communityneed so that basalt lava potency used as dimention stone. That using can up value of contructionmaterial so that income of community in that surrounding area can up too.

PENINGKATAN AKURASI PERHITUNGAN CADANGAN BATUBARA DI WILAYAH SEPARI - KALIMANTAN TIMUR BERDASARKAN DETEKSI KEMIRINGAN LUBANG BOR DENGAN SENSOR GYROSCOPE-ACCELEROMETER-HEADING DIJITAL Firmansyah, Gilang; Sukiyah, Emi; Yuniardi, Yuyun; Mardiana, Undang
Bulletin of Scientific Contribution Vol 14, No 1 (2016): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Penaksiran sumber daya dalam suatu proses penambangan batubara didapatkan melalui perhitungan dan analisis data eksplorasi detil. Data ini diperoleh dengan metode pemboran dan pemetaan geologi. Penaksiran sumber daya dilakukan untuk mengetahui taksiran jumlah tonase sumber daya batubara. Hasil taksiran selanjutnya digunakan untuk perhitungan stripping ratio pada lahan tersebut untuk mengetahui keekonomian bahan tambang. Hasil yang diperoleh dapat menentukan kelayakan suatu tambang untuk di eksploitasi. Pada proses pengeboran terdapat istilah borehole deviation, yaitu deviasi atau simpangan miring dari suatu target lubang bor. Selama ini, pengeboran tegak lurus selalu dinyatakan memiliki kemiringan 90°. Asumsi tersebut sebenarnya tidak tepat. Kemiringan lubang bor yang dinyatakan tegak lurus ternyata memiliki nilai bervariasi. Oleh karena itu, survei kemiringan lubang bor perlu dilakukan untuk mengetahui kemiringian lubang bor secara akurat. Nilai dip dan azimut lubang bor turut berperan sebagai parameter penting dalam meningkatkan akurasi perhitungan cadangan. Berdasarkan hasil uji coba terhadap penggunaan sensor gyroscope-accelerometer-heading dijital pada pengeboran eksplorasi di wilayah Separi diperoleh adanya peningkatan hasil perhitungan cadangan batubara.

PENGARUH KEMIRINGAN LERENG TERHADAP LAJU SEDIMENTASI PADA RENCANA BENDUNGAN PARIGI Yusuf, Muhammad Farhan; Siahaan, Yakub; Sukiyah, Emi; Mulyo, Agung; Patonah, Aton; Zakaria, Zufialdi
Bulletin of Scientific Contribution Vol 16, No 2 (2018): Bulletin of Scientific Contribution GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Pembangunan Bendungan Parigi akan sangat bermanfaat untuk kepentingan masyarakat. Bendungan ini akan digunakan untuk keperluan pertanian (irigasi) dan persediaan air baku. Lokasi Rencana Bendungan Parigi terletak pada sub-DAS Parigi yang memiliki luas 57,98 km2. Dalam perencanaan bendungan aspek sedimentasi sangat penting. Aspek ini akan berkaitan dengan desain Bendungan. Pada DAS yang tidak terlalu luas, laju sedimentasi setara dengan laju erosi. Perhitungan laju sedimentasi dilakukan berdasarkan fungsi erosi dengan metode Universal Soil Loss Equation (USLE) dan SDR. Metode ini berhubungan dengan faktor – faktor yaitu erodibilitas tanah, curah hujan, tataguna lahan, dan topografi. Faktor kemiringan lereng erat kaitannya terhadap laju sedimentasi, penelitian ini akan membahas tentang peranan kemiringan lereng terhadap laju sedimentasi. Nilai laju sedimentasi hasil perhitungan menggunakan metode USLE yaitu sebesar 149,53 ton/ha/th. Hasil perhitungan statistik dengan metode regresi linier di dapat bahwa faktor kemiringan lereng berpengaruh signifikan terhadap laju sedimentasi dengan persamaan regresi Y’ = 15,32 + 7,313X. Nilai koefisien regresi (r) sebesar 0,697 menunjukkan bahwa ada hubungan yang kuat antara kemiringan lereng (X) dan laju sedimentasi (Y). Pengaruh yang diberikan oleh aspek kemiringan lereng terhadap laju sedimentasi adalah sebesar 48,6 %.

PERAN KARAKTERISTIK MORFOMETRI DAERAH ALIRAN SUNGAI BUOL TERHADAP BANJIR DI WILAYAH BUKAL, TILOAN, MOMUNU DAN BIAU, PROVINSI SULAWESI TENGAH Tawil, Sukardan; Sukiyah, Emi; Rosana, Mega Fatimah; Muslim, Dicky
Bulletin of Scientific Contribution Vol 17, No 2 (2019): Bulletin of Scientific Contribution : GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

ABSTRAKDaerah Aliran Sungai (DAS) Buol terletak di lengan utara Pulau Sulawesi. Bentuk DAS yang menyerupai angka 7 cenderung berbentuk paralel, menandakan ada dua sungai besar yang menyatu di wilayah hilir. Bagian hilir tampak lebar, seolah membentuk bejana besar yang dapat menyebabkan aliran S. Buol tergenang dalam jangka waktu lama. Penelitian ini dilakukan untuk mengetahui seberapa besar peran morfometri DAS terhadap fenomena banjir di wilayah tersebut. Beragam metode digunakan untuk ekstraksi data dari Citra Landsat, SRTM, peta topografi dan peta tematik yang dilakukan di studio. Deskripsi dan pengukuran obyek dilakukan di lapangan. Analisis data menggunakan pendekatan kuantitatif-deskriptif menghasilkan visualisasi dalam bentuk grafik, peta dan tabel. Analisis dilakukan terhadap 17 sub-DAS Buol. Luas sub DAS berkisar dari 2,82 sampai 335,4 km2.. Secara umum DAS Buol menunjukkan bentuk lahan pedataran dan perbukitan. Pola pengaliran di DAS Buol yakni subtrellis, subdendritik, subrektangular dan anastomotik. Morfometri berperan terhadap zona bencana geologi di dataran banjir di Timur dan Timur laut DAS Buol mencakup sebagian wilayah Kecamatan Bukal, Kecamatan Momunu dan Kecamatan Biau. Pada SDB6 bentuk DAS adalah bulu burung serta SDB7 dan SDB8 memiliki bentuk DAS radial. Nilai kerapatan pengaliran (Dd) yaitu SDB6 (1,98), SDB7 (2,44), SDBS8 (1,30), SDB6 (1,98), SDB7 (2,44) dan SDBS8 (1,30). Bila nilai Dd berkisar antara 0,25 – 10, maka alur sungai melewati batuan dengan resistensi keras sehingga sedimen yang terangkut aliran sungai relatif lebih kecil. Berdasarkan hasil rekapitulasi, debit banjir dapat diperkirakan hingga 100 tahun.Kata Kunci : DAS Buol, Morfometri, Pola Pengaliran, BanjirABSTRACTThe Buol watershed is located in the northern arm of Sulawesi Island. A watershed shape that resembles the number 7 tends to be parallel, indicating there are two major rivers that converge in the downstream region. The downstream section is wide, forming a large vessel that can cause the flow of S. Buol to be inundated for a long time. This research was conducted to find out how far the role of watershed morphometric on flood phenomena in the region. Various methods are used for data extraction from Landsat Imagery, SRTM, topographic maps and thematic maps conducted in the studio. Description and measurement of the object is done in the field. Data analysis using quantitative-descriptive approach produces visualization in the form of graph, map and table. The analysis was conducted on 17 Buol sub-watersheds. The area of the sub-watershed ranges from 2.82 to 335.4 sq.km. In general, the Buol watershed shows the shape of the plains and hills. The drainage pattern are subtrellis, subdendritic, subrectangular and the anastomotic. The morphometric relationship to the geological disaster zone in the flood plains of East and Northeast Buol watershed in some areas covers Bukal Subdistrict, Momunu Subdistrict and Biau Subdistrict. SDB6 sub-watershed forms like bird feathers, while SDB7 and SDB8 are radial. The drainage density (Dd) are SDB6 (1.98), SDB7 (2.44), SDBS8 (1.30), SDB6 (1.98), SDB7 (2.44) and SDBS8 (1.30). If the Dd value ranges from 0.25 - 10, the river channel passes through rocks with hard resistance so that the sediment transported by the river flow is relatively smaller. Based on the recapitulation results, flood discharge can be estimated up to 100 years.Key word : Buol watershed, Morphometric, Drainage pattern, Flood

Identifikasi Gerakan Tanah (Longsor) di Kabupaten Garut, Jawa Barat Sabila, Zahra Syahida; Sukiyah, Emi; Alam, Boy Yoseph Cahya Sunan Sakti Syah; Zakaria, Zufialdi
Bulletin of Scientific Contribution Vol 16, No 1 (2018): Bulletin of Scientific Contribution GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Wilayah Kabupaten Garut, Provinsi Jawa Barat merupakan bagian dari zona gerakan tanah di Indonesia bagian barat. Indonesia bagian barat dibentuk akibat pengaruh tumbukan dua lempeng tektonik yaitu Indo-Australia dan Eurasia. Zona tersebut juga merupakan zona gempa dan zona gunungapi. Tanah residu yang tebal pada lereng dan curah hujan yang cukup tinggi di Jawa Barat merupakan salah satu penyebab daerah rawan longsor. Hal ini menjadi kendala bagi pengembangan wilayah Kabupaten Garut. Potensi gerakan tanah (longsor) pada daerah berlereng di Kabupaten Garut perlu mendapatkan perhatian. Sistem peringatan dini diperlukan untuk mengurangi potensi kebencanaan geologi gerakan tanah sehubungan dengan berbagai kegiatan atau proyek yang sudah ataupun akan dikembangkan.Kata Kunci: tektonik, gerakan tanah, sistem peringatan dini

PENGARUH TEKTONIK PADA LEMBAH SUNGAI CILIWUNG DENGAN PENGUKURAN GPS- RTK BERDASARKAN NILAI VALLEY-FLOOR RATIO (Vf) Witjahjati, Retno; Sukiyah, Emi; Winantris, .; Arya, Pulung P; Nugroho, Bani
Bulletin of Scientific Contribution Vol 16, No 2 (2018): Bulletin of Scientific Contribution GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/bsc.v16i2.18171

Most of Jakarta's Special Capital Region (DKI) has relatively flat topography covered by alluvial deposit. Alluvial deposit derives from rock deformation of volcanic activity in the south, and also coastal deposits at the north part. The upstream rivers located in hilly, mountainous terrain, as well as through sloping hills to the lower plains downstream. The relatively rapid flow velocity in the upstream forms the parallel pattern and the downstream are slowly forming a sub dendritic pattern until it empties into the Jakarta Bay. Ciliwung River is one of 13 rivers passing through DKI Jakarta.The morphology of DKI Jakarta area is formed by exogenous energy caused by highly intensive sedimentation and human activities. In addition, there is also endogenous energy to produce folds and fracture structures. The presence of endogenous power results from the convergence interaction between the Indian-Australian Ocean Plate and the Eurasian Plate.This research was conducted to find out the influence of endogenous power in the form of tectonic control on the pattern of landscape shape in DKI Jakarta. The manifestation of these endogenous influences can be seen in the morphological formation in the Ciliwung River. The method used is calculated of morphometry with a value of the VF - ratio (Valley Floor Ratio) from topographic measurement using GPS-RTK device (Global Position System - Real Times Kenematic). Measurements were made as many as 7 trajectories on the river banks in order to know the difference of elevation on the left and right side. Based on the calculation, the Vf value ranged from 1.65 to 3.47. Through these results, it can be concluded that the morphology of DKI Jakarta is controlled by tectonic process with medium category.

MORFOMETRI DAERAH ALIRAN SUNGAI PADA BENTANGALAM VULKANIK KWARTER TERDEFORMASI -, Emi Sukiyah; -, Mulyono
Bulletin of Scientific Contribution Vol 5, No 3 (2007): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

The Quaternary volcanic terrain has unique characteristic. Those phenomena are reflected by basin morphometry. Some morphometry variables can used are basin dimention, azimuth of river segment, azimuth of terrain lineament, river length (Ls), drainage density (Dd), and bifurcation ratio (Rb).Upper Citarum River area is the research area, exactly on Cijoho Basin, Cihejo Basin, Cigalugah Basin, and Barugbug Basin. Base on literature study result and field survey, those four basins have difference geological setting. Probabilistic approach used for know difference and similarity of basins. Statistic tests used are distribution normality of data and average difference tests.Result of research show highest Dd value exist on Cijoho Basin (3.78), otherwise its lowest exist on Barugbug Basin (2.35). That’s phenomena reflect difference of its volcanic rock characteristic. Commonly Rb values < 3 show that deformed basins. Rb values increase to downstream of Cihejo Basin, meanwhile on the other basins they are decrease. The Rb values escalation to downstream indicate strongly deformation at downstream of Cihejo Basin. The rivers of Cijoho Basin direct the-90o until 179o controlled by active tectonic. Meanwhile, the rivers pattern of Basins of Cihejo, Barugbug, and Cigalugah are controlled by active tectonic.

POTENSI MENGEMBANG TANAH LEMPUNG DI WILAYAH KAMPUNG CIGINTUNG, DESA CIMUNCANG, KECAMATAN MALAUSMA, KABUPATEN MAJALENGKA, PROVINSI JAWA BARAT Retnoningtyas, Widya Ika; Zakaria, Zufialdi; Sukiyah, Emi
Bulletin of Scientific Contribution Vol 15, No 2 (2017): Bulletin of Scientific Contribution GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

ABSTRAKDaerah penelitian di wilayah Majalengka, Provinsi Jawa Barat tersusun oleh batuan hasil endapan gunungapi tua (Qtvs), dan Formasi Kaliwangu (Tpkw). Hasil pelapukan batuan tersebut berupa tanah lempung dengan potensi mengembang. Tujuan dari penelitian ini adalah untuk mengetahui tingkat mengembang, dan bahaya yang ditimbulkan dari tanah lempung yang ada diwilayah penelitian berkaitan dengan gerakan tanah yang sering terjadi di wilayah ini. Tingkat potensi mengembang tanah lempung ini dapat dianalisis menggunakan data mekanika tanah, yaitu indek plastisitas dan persen lempung. Data mekanika tanah tersebut digunakan untuk menghitung nilai aktifitas dari lempung. Berdasarkan klasifikasi skempton nilai aktiftitas lempung yang didapat adalah 0,62 sampai 1,35. Jenis mineral lempung Illite dan Monmorilonite (Ca), dan tingkat potensi mengembang tinggi sampai sangat tinggi. Sedangkan berdasarkan klasifikasi Bowles dan Seed menunjukkan nilai aktifitas sebesar 0,79 sampai 1,80, dengan jenis mineral lempung Illite dan Monmorilonite, dan potensi mengembang tanah lempung ini adalah tinggi sampai sangat tinggi. Kata kunci: Potensi mengembang, lempung, nilai aktiftitas, indek plastisitas, persen lempung. ABSTRACTThe research area in Majalengka, West Java consist are older volcanic (Qvts) and Formation Kaliwangu (Tpkw). Result weathering of the rock is clay with potential to swelling. The purpose of this study is to determine the rate of swelling and the hazard potential at the area posed from clay. Swelling potential of this clay soil analyzed using by soil mechanical data with the index of plasticity and percentage of clay. The soil mechanical data used to calculate the activity value of clay. Based on skempton analysis results of analysis is 0.62 to 1.35, with Illite and Monmorilonite (Ca) clay minerals and swelling clay potential high up to very high. Based on the Bowles and seed classification showing activity values of 0.79 to 1.80, with the type of clay minerals Illite and Montmorillonite and swelling clay potential is high to very high. Keywords: Potential of Swelling, clay, value of activity, plastisity indeks, percent of clays.

PERAN TATA GUNA LAHAN TERHADAP DISTRIBUSI TINGKAT KERAWANAN EROSI DI KAWASAN CILETUH JAWA BARAT Sulaksana, Nana; Sjafrudin, Achmad; Sukiyah, Emi; Raditya, Pradnya P.; Abdulah, Fikri; Setiyanto, Puguh
Bulletin of Scientific Contribution Vol 13, No 2 (2015): Bulletin of Scientific Contribution
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Ciletuh located in Ciemas district, Sukabumi, West Java is known by its geological diversity (geodiversity). This area is located at the southwestern of Java Island and directly adjacent to the Indian Ocean. Ciletuh is a very attractive tourist visits area and deserve to be visited. This area is planned to be a National Geopark area and Global Geopark Network in 2016. This will certainly have an impact on the change of land use in the next few years. The change of land use will affect indirectly to the distribution of erosion rate in research area. The higher of land use changes, the higher of erosion rate that can cause environmental quality degradation. This research aims to reveal the land use changes can affect the level of of vulnerability to erosion in Ciletuh. This research method uses laboratory and studio analysis. Remote sensing analysis is used to delineate land use. The distribution rate of erosion in research area can be known through erosion calculation formula. Based on delineation of land use, Ciletuh have areas of land cover consisting of 6.666.104 m2 (9,7%) plantation, 10.444.567 m2 (15,2%) forests, 3.252.843 m2 (4,7%) settlements, 82.264 m2 (0,1%) swamps, 22.863.874 m2 (33,3%) paddy fields, 19.474.346 m2 (28,37%) bushes, 2.057.689 m2 (2,9%) vacant lands, and 3.788.699 m2 (5,5%) moors area. The result of early research identification indicates that the level of vulnerability to erosion associated with the greatest land cover is moor and vacant lands.

Co-Authors abdurrohman, Muhammad jihad Achmad Sjafrudin, Achmad Adjat Sudradjat Adjat Sudradjat Adjat Sudradjat Adjat Sudradjat Agung Mulyo Agus Didit Haryanto Agus Didit Haryanto -, Agus Didit Haryanto Aldrin Ramadian Algi Fajar Ghaniansah, Algi Fajar Andi Agus Nur Andi Makawaru Yasin, Andi Makawaru Apong Sandrawati Arif R. Darana Arifin Anfasha, Arifin Arya, Pulung P Asep Nursalim, Asep Athanasius Cipta Aton Patonah Bani Nugroho, Bani Benny Joy Boy Yoseph Cahya Sunan Sakti Syah Alam Budi Muljana Cipta Endyana Daliman, Shaparas Binti Denny Lumban Raja Dewi Gentana Dicky Muslim Dina Tania Donny R. Wahyudi Dudi Nasrudin Usman Dwi Purnomo Dyah Ayu Setyorini Edi Prasetyo Utomo Edi Tri Haryanto Edi Tri Haryanto, Edi Tri Edy Sunardi Endah, Raras Euis Tintin Yuningsih Fachrudin, Kurnia Arfiansyah Fahira, Ghina Febri Hirnawan Fery Erawan Fery Erawan Fikri Abdulah, Fikri Gilang Firmansyah, Gilang Hendarmawan H Hendarmawan Hendarmawan Herry Riswandi HS, Karyono Ildrem Syafri Iyan Haryanto Jamal Jamal Jamal Jamal Jamal Jassin, A.M.I. Johanes Hutabarat Johanes Hutabarat Karyono HS Khoirullah, Nur kurnianto, brany Linda Pulungan M. Nursiyam Barkah Makkawaru, Andi Martha Magdalena Nanlohy Mawardi, Sonny Mega Fatimah Rosana Moch Ridfan Trisnadiansyah Mohamad Sapari Hadian Muhamadsyah, Faisal Muhammad Lutfi Muhammad Luthfi Faturrakhman Muhammad Ronggour Pardamean Siahaan Mulyono - Nana Sulaksana Nana Sulaksana Nana Sulaksana Nendi rohaendi Nisa Nurul Ilmi Novi Triany Nurfadli, Eza Pradnya P. Raditya Rendra Pradnya P. Raditya, Pradnya P. Pradnya Paramarta Raditya Rendra Puguh Setiyanto, Puguh Pulung Arya Pranantya Pulung Arya Pranantya, Pulung Arya putera, alvindo andreansyah Raden Irvan Sophian Retnoningtyas, Widya Ika Reza Mohammad Ganjar Gani Ridwan, Panji Rina Devnita Rita Yulianti, Rita Sabila, Zahra Syahida sabily, zulfa Sambodo, Tri Hananto Sambodo, Tri Hananto Priyo Saragih, Rahmat Yantono Sendjaja, Yoga A. Setyorini, Dyah Ayu Siahaan, Yakub Sipahutar, Sumahang R. SIRAJU, ASRUL Sonny Mawardi Sri Wahyuni Subagja, Agam Suherman Dwi Nuryana Suherman Dwi Nuryana Sukardan Tawil Sulastri, Murni Sumaryono Sumaryono Suratman Suratman Syalsabilla, Lola Lintang Taat Setiawan, Taat Tresnasari, Endah Undang Mardiana Vijaya Isnaniawardhani Wahyuzi, Radhi Winantris Winantris Winarti Winarti Witjahjati, Retno Yoga Andriana Sendjaja Yuda, Himmes Fitra Yudhi Listiawan Yusuf, Muhammad Farhan Yuyun Yuniardi Zakaria, Zulfiadi Zufialdi Zakaria Zulfi, Damar Sayyidina

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