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Ery Suhartanto
Progra Studi Informatika Program Teknologi Informasi Dan Ilmu Komputer Universitas Brawijaya
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Studi Pendugaan Sisa Usia Guna Waduk Sutami Dengan Pendekatan Sedimentasi Fidari, Jadfan Sidqi; Bisri, Mohammad; Suhartanto, Ery
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 4, No 2 (2013)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Sutami Dam is a dam with the largest reservoir with managed by Perum Jasa Tirta I. This reservoir has been operating for more than 39 years (operates in 1972 and using reference to recent data in 2011). This study was performed to determine the trend of sediment discharge and reservoir live time in order to find out how the rest of the remaining Sutami reservoir for reservoir operations. Data analysis is used as the data for 6 years period and in 1972 data for comparison. Point source of sediment in the reservoir is divided into two points, Sutami sediments by direct inflow to the the Sutami Reservoir (Metro River) and outflow from Sengguruh Reservoirs (Brantas River and Lesti River). The third point is the calculation of sediment discharge to determine the most influential point sediment carrier in Sutami Reservoir. Reservoir live time to the rest of Sutami calculated using three methods of approach. Volume approach, elevation approach, and empirical approaches. 2 Tanpa nomer halaman The point that has the most impact is of the Brantas River (inflow from Sengguruh Reservoir) with Qs = 2.27 kg/sec (2011), then from the Metro River with Qs = 1.97 kg/sec (2011). ). Based on the analysis of the remaining life time for Sutami Reservoir using three methods of approach, it is known to Sutami Reservoir live time trends tend to decrease. Elevation control point (+233.3 m) with elevation approach and volume approach gives results for the remaining life of 5 years and 1.5 years, while the empirical approach with 97% trap efficiency give results 9 years for the remaining life time of Sutami Reservoir.Key words: Sutami Reservoir, Sedimentation, Reservoir Live Time
ANALISIS HUJAN DAN TATA GUNA LAHAN TERHADAP LIMPASAN PERMUKAAN DI SUB DAS PEKALEN KABUPATEN PROBOLINGGO Nurdiyanto, Nurdiyanto; Limantara, Lily Montarcih; Suhartanto, Ery
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 7, No 1 (2016)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Abstrak : Tata guna lahan daerah aliran sungai yang mengalami perubahan dan mengarah pada penggundulan hutan dapat meningkatkan debit banjir serta mempengaruhi debit rerata harian  sungai di daerah hilir. Debit sungai yang mengalir merupakan  respon daerah aliran sungai, dengan masukan hujan dan digambarkan melalui karakteristik hidrograf aliran sungai.Sub DAS Pekalen mempunyai luas 165,49 km2, berada di Kabupaten Probolinggo. Rata rata debit  harian  yang mengalir tahun 1997 sebesar 8,843 m3/dt dan tahun 2006 sebesar 10,42 m3/dt. Hasil analisa peta tata guna lahan tahun 1997 dan tahun 2006 menunjukkan adanya perubahan tata guna lahan. Berdasarkan analisa limpasan permukaan metode Curve Number dengan software HEC HMS menunjukkan bahwa perubahan tata guna lahan yang mengakibatkan nilai Curve Number meningkat 0,59% maka, debit banjir yang akan terjadi juga mengalami peningkatan sebesar 1,99%.Kata Kunci :  Tata Guna Lahan, Curve Number, HEC HMS, Sungai Pekalen Abstract : The change of land-use in watersheds and deforestation may increase flood discharge and affect the average daily flow of the downstream. The river discharge is a response to the watershed, with the input of rain and illustrated by the characteristics of hydrograph.Pekalen sub watershed has an area of 165,49 km2, located in Probolinggo. The average daily discharge in 1997 is 8,843 m3 / sec and 2006 is 10,42 m3 / sec. The results of the analysis of land use maps of 1997 and 2006 showed changes in land use. Based on the analysis of surface runoff Curve Number method with use HEC HMS software showed that the land use change by increasing the value of Curve Number 0,59%, the flood discharge will be also increased 1,99%.Keywords : Land use, Curve Number, HEC HMS, Pekalen river
Kajian Kalibrasi Hidrograf Representatif Di Das Samiran Kabupaten Pamekasan Priombodo, Agus; Limantara, Lily Montarcih; Suhartanto, Ery
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 3, No 2 (2012)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Samiran watershed is including Semajid River and its tributaries has an approximate to 69,76 km2of number area. This watershed is located in Pamekasan distric, East Java. Samiran catchment area is affected by approximate to 5 rain stations scattered in the watershed. Has not been studied theoretically about the optimum density and dispersal patterns of their rainfall station networks have been installed and comparative studied in hidrograf in the Samiran watershed. Based on the results of the assessment and analysis by using Kagan-Rodda method, it was acquired 3 selected stations, while the Kriging method obtained results 5 selected stations that spreads in the Samiran watershed. Relative error for the design rainfall of Kagan-Rodda method was 14,53 and 13,96 for Kriging method.Ordinat control to get runoff area of 1 mm from watershed is19,378 m3/sec/year by using the method of Collins. It was obtained the average time to peak was 2 hours for GAMA I, peak discharge is 300 m3/sec with a time of peak discharge 14 hour basis. the Limantara hydrograf the average time to peak was 2 hours, peak discharge is 170 m3/sec with a time of peak discharge 8 hour basis. the hydrograf of observatian have the average time to peak at 8 hours, peak discharge is 4,27 m3/sec with a time of peak discharge 11 hour basis.Keywords: Rainfall station networks, Kagan-Rodda, Kriging, Hidrograf
ANALISIS EFEKTIVITAS KERAPATAN JARINGAN POS STASIUN HUJAN DI DAS KEDUNGSOKO DENGAN MENGGUNAKAN JARINGAN SARAF TIRUAN (ARTIFICIAL NEURAL NETWORK) Fathoni, Syarief; Dermawan, Very; Suhartanto, Ery
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 7, No 1 (2016)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Abstrak: Kualitas data curah hujan sangat bergantung pada kemampuan pos hidrologi dalam memantau karakteristik hidrologi dalam suatu Daerah Aliran Sungai. Oleh karena itu, diperlukan suatu kajian, agar memperoleh jaringan pos stasiun hujan yang efektif dalam hal perletakan stasiun pos stasiun hujan yang optimum dan mampu menggambarkan varibilitas ruang DAS yang teramati dengan baik. Lokasi penelitian terletak di DAS Kedungsoko yang luasnya adalah 416,54 km2, dan terdiri atas 8 pos stasiun hujan. Analisis dilakukan dengan membandingkan debit AWLR tahun 2001 s.d. 2010 dengan debit hasil model Jaringan Saraf Tiruan (JST). Model JST ini digunakan untuk mendapatkan debit dengan variabel masukan terdiri atas curah hujan maksimum tahunan pos stasiun hujan dengan satuan mm (X1), jarak pos stasiun hujan dengan pos AWLR dalam satuan km (X2), beda tinggi pos stasiun hujan dengan pos AWLR dalam satuan m (X3), dan koefisien thiessen (X4). Berdasarkan perbandingan debit hasil JST dengan debit AWLR, maka kerapatan jaringan pos stasiun hujan yang paling efektif adalah kombinasi pos stasiun hujan yang terdiri atas 4 (empat) pos stasiun hujan yang terdiri atas Pos Stasiun Hujan Pace, Pos Stasiun Hujan Banaran, Pos Stasiun Hujan Prambon, dan Pos Stasiun Hujan Badong dengan rerata Kesalahan Relatif debitnya adalah 3,763%.Kata Kunci: Jaringan Saraf Tiruan, Stasiun Hujan, Kerapatan Stasiun Hujan, Efektivitas, Kesalahan Relatif Abstract: Quality of rainfall data is highly depend on the ability of hydrologic station in monitoring hydrological characteristics in the Watershed. Therefore it is necessary to get the accurate that is able to describe variability of the watershed. This study located in Kedungsoko Watershed with area is 416,54 km2, which there are 8 Rainfall Station. This analysis used to compare between AWLR flows with Artificial Neural Network (ANN) on years of 2001 to 2010. ANN used to obtain flows by input variables that are maximum rainfall on mm (X1), distance of rainfall station with AWLR station on km (X2), height difference betweenrainfall station with AWLR station on m (X3), and thiessen coefficient (X4). Based on comparison of ANN flows and AWLR flows, The most effective density of Rainfall Station is rainfall station combined with 4 rainfall station that are Pace Rainfall Station, Banaran  Rainfall Station, Prambon Rainfall Station, and Badong Rainfall Station within the  relative error is 3,763%.  Keywords: Artificial Neural Network, Rainfall Station, Density of Rainfall Station, Effectivity, Relative Error
ANALISIS TINGKAT BAHAYA EROSI DAN ARAHAN KONSERVASI LAHAN DENGAN APLIKASI GIS DI DAS MANIKIN nama, arnoldus; Andawayanti, Ussy; Suhartanto, Ery
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 7, No 2 (2016)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Abstrak: Daerah Aliran Sungai (DAS) Manikin terletak di Kabupaten Kupang Propinsi Nusa Tenggara Timur. DAS ini mempunyai permasalahan umum berupa erosi lahan. Tujuan dari studi adalah mengidentifikasi Tingkat Bahaya Erosi (TBE), sebaran kekritisan lahan, dan menentukan teknik konservasi yang sesuai dengan kondisi DAS Manikin. Laju erosi lahan hasil Pemodelan AVSWAT 2000 dipakai untuk Analisis Tingkat Bahaya Erosi. Hasil Analisis menunjukkan luas lahan dengan Tingkat Bahaya Erosi sedang sebesar 984,59 ha, berat 5.069,52 ha dan sangat berat 3.589,26 ha. Sedangkan kekritisan lahan pada daerah kajian, pada fungsi kawasan lindung mempunyai empat kelas kekritisan yaitu potensial kritis dengan luas 2.662,21 ha, agak kritis 2.768,83 ha, kritis 585,68 ha, dan sangat kritis 37,41 ha. Kawasan penyangga mempunyai tiga kelas kekritisan yaitu agak kritis dengan luas 532,52 ha, kritis 186,91 ha, dan sangat kritis 53,62 ha. Adapun untuk fungsi kawasan budidaya mempunyai dua kelas kekritisan yaitu kritis dengan luas 2.495,90 ha, dan sangat kritis dengan luas 320,22 ha. Konservasi secara vegetatif dilakukan pada lokasi yang kritis dan sangat kritis dan disesuaikan dengan fungsi kawasan. Konservasi mekanik berupa perencanaan bangunan pengendali sedimen (check dam) pada delapan lokasi dengan Tingkat Bahaya Erosi berat dan sangat berat. Kata Kunci: Manikin, Pemodelan AVSWAT, Tingkat Bahaya Erosi, Kekritisan Lahan, konservasi Abstract: Manikin Watershed is located in Kupang district, East Nusa Tenggara province. Manikin watershed has general problem on erosion. The purpose of the study is to identify Erosion Hazard Level, distribution of land criticality, and determine appropriate conservation techniques that corresponding to Manikin watershed conditions. The rate of soil erosion obtained from AVSWAT 2000 simulation results used for Erosion Hazard Level Analysis. The analysis results showed that the land area with moderate Erosion Hazard Level is 984.59 ha, heavy 5069.52 ha, and very heavy 3589.26 ha. The land criticality of  the study area, for the protected zone has four classes of criticality, potential critical has 2662.21 ha land area, rather critical 2768.83 ha, critical 585.68 ha, and very critical 37.41 ha. Buffer zone has three classes of criticality; 532.52 ha land area is rather critical, 186.91 ha is critical, and 53,62 ha (6,94%) is very critical. Cultivation zone has two classes of criticality; 2495.90 ha land area is critical, and 320.22 ha is very critical. Vegetative conservation done on sites that are critical and very critical and adapted to the function of the area. Main While for mechanics conservation is planing to design sediment control construction (check dams) in eight locations with heavy and very heavy Erosion Hazard Level. Keyword: Manikin, AVSWAT simulation, Erosion Hazard Level, land criticality, conservation
Studi Tingkat Kekritisan Lahan Sebagai Dasar Arahan Rehabilitasi Hutan Dan Lahan Das Marisa Di Kabupaten Pohuwato Provinsi Gorontalo Wolok, Estefanus; Suhartanto, Ery; Harisuseno, Donny
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 5, No 1 (2014)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

The forest degradation rate reached 2,83 million ha every year. From the total forest area of 120,5 million ha, about 59 million ha were critical areas. Besides, the critical Watersheds ini Indonesia increased. The watershed conservation efforts had brought motivation to develop the erosion estimation technologies that could assist in solving the erosion rate estimation problems spatially. The study was carried out at Marisa Watershed, Pohuwato Regency of Gorontalo Province. The results showed that the value of erosion rate in Marisa Watershed area was 169,364 ton/ha/year or 14,114 mm/year where the Marisa Watershed total wide was 14.842,5 ha. Whereas the sediment potential was 125,299 ton/year and runoff was 197,779 mm/year. The Erosion Danger Level was 3.654,146 ha (14,71%) hard and 3.353,834 ha (13,50 %) very hard. One of the assumptions why the land erosion rate was very high was because of the misuse of the land and geology condition at Marisa Watershed.To control the erosion rate, focussed to the recommendation of land utilization direction that referred to The Forest - Soil Conservation and Rehabilitation Program (ARHL) and building of 6 check dam. Meanwhile, the land utilization should notice The RTRW and the cooperation between local inhabitant and the government was needed indeed in the soil conservation and land rehabilitation efforts.Key Words: Erosion, Sediment, Run Off, Soil Conservation.
STUDI PENGARUH PERUBAHAN TATAGUNA LAHAN DI DAS MAMASA TERHADAP USIA GUNA WADUK PLTA BAKARU Sulfandi, Sulfandi; Rispiningtati, Rispiningtati; Suhartanto, Ery
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 7, No 1 (2016)
Publisher : Fakultas Teknik, Universitas Brawijaya

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Abstract

Abstrak : Di DAS Mamasa terdapat Waduk PLTA Bakaru yang beroperasi sejak Desember 1990. Dari hasil analisa Interpretasi Citra Satelit pengurangan luas hutan sebesar 7003.44 ha, padang rumput/tanah kosong 1185.61 ha, kebun 32.95 ha serta penambahan luas lahan semak belukar 5391.20 ha, tanah ladang/tegalan 1378.35 ha, pemukiman 832.92 ha serta sawah 617.77 ha. Dari Analisis AVSWAT 2000, Tingkat Bahaya Erosi tertinggi pada Subbasin 29, 33 dengan luas 981.75 ha. Dari pendekatan efisiensi jerat metode Brunne diperoleh sisa usiaguna waduk kurang dari 1 tahun, metode Churchill diperoleh kurang dari 3 tahun. Alternatif penanganan dengan bangunan check dam mampu mereduksi sedimen per tahunnya sebesar 62.72%, sedangkan Dredger 9.37 % per tahunnya. Berdasarkan prosentase reduksi sedimen alternatif Konservasi secara mekanik sebagai skala prioritas penanganan waduk.Kata Kunci:  AVSWAT 2000, Erosi, Usiaguna Waduk, KonservasiABSTRACT : There is Bakaru hydropower reservoirs in Mamasa watershed that operating since December 1990. From the analysis of satellite imagery interpretation reduction in forest area of 7003.44 ha, grassland / emptyland 1185.61 ha, 32.95 ha of gardens and additional shrubs area of 5391.20 ha, farm land / moor 1378.35 ha, residential area 832.92 ha and rice fileds 617.77 ha. Analysis of AVSWAT 2000, the highest rate Erosion Hazard subbasin 29, 33 with an area of 981.75 ha. Approach meshes efficiency Brunne method obtained remaining life of reservoirs less than 1 year, Churchill method obtained less than 3 years. Alternative treatment with check dam is able to reduce sediment per year, amounting to 62.72%, while Dredger 9:37% per year. Based on the percentage reduction of sediment mechanically conservation alternative as the priority handling of reservoirs.Keywords:  AVSWAT 2000, erosion, life time of reservoirs, conservation
VALIDASI DATA CURAH HUJAN TRMM (TROPICAL RAINFALL MEASUREMENT MISSION) SEBAGAI ALTERNATIF DATA HIDROLOGI DI SUB-DAS LESTI Partarini, Ni Made Candra; Suhartanto, Ery; Harisuseno, Donny
Jurnal Mahasiswa Jurusan Teknik Pengairan Vol 2, No 2 (2019)
Publisher : Jurusan Teknik Pengairan, Fakultas Teknik, Universitas Brawijaya

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ABSTRAK : Ketersediaan data hidrologi menjadi salah satu permasalahan dalam perencanaan bangunan air di beberapa daerah. TRMM (Tropical Rainfall Measurement Mission) merupakan salah satu misi NASA untuk melakukan pemantauan dan mempelajari curah hujan tropis dengan menggunakan teknologi satelit pemantau cuaca yang dapat menjangkau berbagai daerah di bumi. Analisis validasi dilakukan untuk mengetahui kesesuaian data curah hujan TRMM dengan curah hujan wilayah, sehingga dapat digunakan sebagai data hidrologi alternatif. Sub DAS Lesti digunakan sebagai studi kasus dengan pertimbangan ketersedian data yang dianggap memadai. Metode validasi yang digunakan berupa, Root Mean Squared Error (RMSE), Nash-Sutcliffe Efficiency (NSE), Koefisien Korelasi (R), dan Uji Kesalahan Relatif (KR). Dalam analisis validasi dilakukan dengan dua perhitungan yaitu, validasi data tidak terkoreksi yang hanya melewati tahap validasi dan data terkoreksi yang melalui tahap kalibrasi, verifikasi, dan validasi. Hasil analisis menunjukan nilai validasi berdasarkan metode-metode tersebut lebih baik pada validasi data terkoreksi, dibandingkan dengan data tidak terkoreksi. Analisis keseluruhan menunjukan bahwa, data TRMM dapat digunakan sebagai alternatif data hidrologi.   Kata Kunci : curah hujan, TRMM, pos stasiun hujan, validasi. ABSTRACT : The availability of hydrological data is one of the problems in water hydraulic structure design in several regions. TRMM (Tropical Rainfall Measurement Mission) is one of NASA's missions to monitor and study tropical rainfall using weather satellite monitoring technology that can reach various regions of the earth. Validation analysis conducted to determine the suitability of TRMM rainfall data with regional rainfall so, it can be used as alternative hydrological data. The Lesti sub-watershed as a case study considered the data availability. The validation method used in the form of Root Mean Squared Error (RMSE), Nash-Sutcliffe Efficiency (NSE), Correlation Coefficient (R), and Relative Error Test (KR). The validation analysis performed with two calculations, uncorrected data validation which only passes the validation and corrected data stages through the stages of calibration, verification, and validation. The results of the analysis showed that the validation values ​​based on these methods were better at corrected data validation, compared to uncorrected data. The overall analysis showed that TRMM data can be used as an alternative to hydrological data.   Keywords : rainfall, TRMM, ground station, validation
VALIDASI DATA CURAH HUJAN TRMM (TROPICAL RAINFALL MEASURING MISSION) DENGAN POS STASIUN HUJAN DI SUB DAS SUMBER BRANTAS Rahma, Novi Fadhilah; Suhartanto, Ery; Harisuseno, Donny
Jurnal Mahasiswa Jurusan Teknik Pengairan Vol 2, No 2 (2019)
Publisher : Jurusan Teknik Pengairan, Fakultas Teknik, Universitas Brawijaya

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Abstract

ABSTRAK: Ketersediaan pos stasiun hujan yang kurang memadai untuk pencatatan data curah hujan sebagai data hidrologi menjadi salah satu permasalahan dalam perencanaan bangunan air. Permasalahan ini dapat diselesaikan dengan bantuan data curah hujan TRMM. TRMM (Tropical Rainfall Measurement Mission) merupakan misi NASA untuk melakukan pemantauan curah hujan tropis dengan menggunakan teknologi satelit pemantau. Namun, data TRMM harus divalidasi terlebih dahulu. Analisis validasi dilakukan untuk mengetahui kesesuaian data curah hujan TRMM dengan curah hujan wilayah. Sub DAS Sumber Brantas digunakan sebagai studi kasus dengan pertimbangan ketersedian data yang dianggap memadai. Metode validasi yang digunakan yaitu Root Mean Squared Error (RMSE), NashSutcliffe Efficiency (NSE), Koefisien Korelasi (R), dan Uji Kesalahan Relatif (KR). Analisis validasi dilakukan dengan dua perhitungan, yaitu validasi data tidak terkoreksi dan validasi data terkoreksi yang melalui tahap kalibrasi, verifikasi, dan validasi. Hasil analisis menunjukan validasi data terkoreksi memiliki nilai yang lebih baik dibandingkan dengan data tidak terkoreksi. Analisis keseluruhan menunjukan data TRMM dapat digunakan sebagai alternatif data hidrologi.Kata Kunci: curah hujan, TRMM, pos stasiun hujan, validasi.ABSTRACT: The availability of ground stations that are inadequate for recording rainfall data as hydrological data is one of the problems in water building planning. This problem can be solved with the help of TRMM rainfall data. TRMM (Tropical Rainfall Measurement Mission) is NASA's missions to monitor tropical rainfall by using weather monitoring satellite technology. However, TRMM data must be validated first. Validation analysis was conducted to determine the suitability of TRMM rainfall data with regional rainfall. The Sumber Brantas Sub-Watershed was used as a case study considering the availability of data that was considered adequate. The validation method used Root Mean Squared Error (RMSE), Nash-Sutcliffe Efficiency (NSE), Correlation Coefficient (R), and Relative Error Test (KR). In the validation analysis carried out with two calculations, uncorrected data and corrected data validation through the stages of calibration, verification, and validation. The results of the analysis showed that corrected data validation has a better value than the uncorrected data. The overall analysis showed that TRMM data can be used as an alternative to hydrological data. Keywords: rainfall, TRMM, ground station rainfall, validation
VALIDASI DATA CURAH HUJAN TRMM (TROPICAL RAINFALL MEASURING MISSION) DENGAN POS STASIUN HUJAN DI SUB DAS BANGO Atthahirah, Mutiara; Harisuseno, Donny; Suhartanto, Ery
Jurnal Mahasiswa Jurusan Teknik Pengairan Vol 2, No 2 (2019)
Publisher : Jurusan Teknik Pengairan, Fakultas Teknik, Universitas Brawijaya

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Abstract

Keterbatasan ketersediaan pos stasiun hujan untuk mencatat data curah hujan sebagai data hidrologi merupakan salah satu permasalahan utama dalam perencanaan dibidang sumber daya air. Salah satu penyelesaiaan dari permasalahan ini adalah memanfaatkan data dari satelit salah satunya adalah satelit TRMM (Tropical Rainfall Measuring Mission). Satelit TRMM merupakan salah satu misi NASA untuk memantau perubahan cuaca global dengan mengobservasi stuktur hujan. Sebelum digunakan data TRMM perlu dilakukan validasi terlebih dahulu. Validasi data digunakan untuk mengetahui kesesuaian dengan data curah hujan hasil pengukuran agar dapat digunakan sebagai alternatif data hidrologi. Sub DAS Bango digunakan sebagai studi kasus karena dirasa memiliki ketersediaan data yang memadai. Metode validasi menggunakan analisis statistika standar yaitu Root Mean Square Error (RMSE), Nash-Sutcliffe Efficiency (NSE), Koefisien Korelasi (R) dan Kesalahan Relatif (KR). Proses validasi dilakukan dengan dua tahap, yaitu analisis data tidak terkoreksi dan analisis data terkoreksi. Dari hasil validasi didapatkan bahwa validasi data terkoreksi menunjukan hasil yang lebih baik dari pada hasil data tidak terkoreksi. Berdasarkan keseluruhan analisis, data TRMM dapat digunakan sebagai alternatif data hidrologi.   The limited ground stations to record rainfall data as hydrological data is one of the problem in water resources building planning. One solution to this problem was used satellite data, one of which is the TRMM (Tropical Rainfall Measuring Mission). TRMM are one of NASA's missions to monitor global weather change by observing rain structures. Before used TRMM data, validation needed to be done first. This data validation was used to determine the suitability of rainfall data from the measurement results so that it can be used as an alternative to hydrological data. The Bango Sub-Watershed was used as a case study because it has adequate data availability. The validation method used standard statistical analysis those were Root Mean Square Error (RMSE), Nash-Sutcliffe Efficiency (NSE), Correlation Coefficient (R) and Relative Bias (KR). The validation process was done in two stages, those were uncorrected data analysis and corrected data analysis. From the results of the validation, it was found that corrected data validation showed better results than the results of uncorrected data analysis. Based on the overall analysis, TRMM data can be used as an alternative to hydrological data.  
Co-Authors Achsan Achsan Adelia Riska Pratama Agus Priombodo Agus Suharyanto Ainur Rofiq Kurniawan alby, lyn Alnino, Nugraha Faiz Amadea, Alzena Andriyani, Setinda Eka Anggara WWS Aniek Masrevaniah Ari Murdhianti Arief Andy S, Arief Ariston Samosir Arrokhman, Naufal Achmad Astri, Novianti Sidi Astuti, Ika Wiji Atthahirah, Mutiara Aulia Zahira, Nabila Azhar Adi Darmawan Bagus Wicaksono Bias Angga Permana Briantama, R. Haryo Budi Prasetya Chandy, Poetri Mustika Chintya Ayu Permata Herdita Cipta, Dara Marreta Dewa, Faralisintia Junia Surya Dewita, Monika Dian Chandrasasi Dian Sisinggih Djafar, Azhari Firmansyah Donny Harisuseno Donny Harisuseno Dukhosagt, Aini Nurnabilla Dwi Priyantoro E. Ball, James edy djuwito, edy Emma Yuliani Erfarras, Nadia Nahda Erryanto, Sandi Estefanus Wolok Evi Nur Cahya Firdaus, Alfian Fitriani, Deshinta Ghaisani, Amalia Harisuseno, Donny Harjono, Marie Augustin Alvidian Pangestuti Ais Hartawan, Muhammad Bobby Hawari, Hirzi Herdita, Chintya Ayu Permata Herdita, Chintya Ayu Permata Hidayat, Mustafa Mukti Hutagaol, Bachtiar Malthus Ima Sholikhati Imani, Reyhan Satya Itratip Itratip Jadfan Sidqi Fidari Jarwanti, Dieta Putri Jauhari, M. Reza Kafidani, Firyal Sekar Khairunnisa Khairunnisa Kiki Frida Sulistyani Kusumabrata, Luffi Laksni Sedyowati Larasati, Chyntia Prima Lily Montarcih Limantara Linda Prasetyorini Listya, Amifta Farah Lu'luil Maknun Lucky Dyah Ekorini M Bisri M. Amar Sajali Maharani, Amanda Putri Maharani, Fiadita Marta, Silvia Dwi Mike Yuanita Mohammad Bisri Muarifah, Aulia Rahmawati Muhammad Ilham Muhammad Rifai nama, arnoldus NISA, ZUHROTUN Nomleni, Aprianto Noor Dinda Febrianingrum Novita, Firda Nurdiyanto Nurdiyanto, Nurdiyanto Nurviana, Syelawati Citra Kartika Nurwijayanti Partarini, Ni Made Candra Prasasti, Dwi Trisna PRIAMBODO, DIDIT Pudyono . Pulasari, Luh Ayu Putri Wedayanti Putri, Angelina Satya Rahma, Novi Fadhilah Rahmah Dara Lufira Rakhmawati, Dinia Dwi Ramadhania, Salsabila Razianto, Muhamad Zakaria Rendra Arif Yudiarso Rini, Syafadilla Enggar Rispiningtati Rispiningtati Riyanto Haribowo Rizki Ramadhani Rizki Tri Utami Rossy Tamaya, Hana Arum Runi Asmaranto Rushafi Oktaverina, Devy Adlina Sapto Dwi Hari Oktavianto Sekar Padma Lestari Senna Ananggadipa Adhitama Setyaningrum, Anggun Shihab, Muhammad Qurais Siswanti, Yuvika Rega Solikin Solikin Sri Wahyuni Suciana, Ajeng Titin Suhardjono Suhardjono Sukoco, Arfinsyah Hanandha Sulfandi Sulfandi, Sulfandi Sumiadi, Sumiadi Suryoputro, Nugroho Syarief Fathoni, Syarief Tri Kurniawati, Tri Ussy Andawayanti Utami, Rizki Tri Very Dermawan Wahyuni, Sri Widandi Soetopo Yuliana Wardani