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PENENTUAN DEBIT ANDALAN DENGAN METODA FJ MOCK DI DAERAH ALIRAN SUNGAI CISADANE Sudinda, Teddy W
Jurnal Air Indonesia Vol. 11 No. 1 (2019): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3602.273 KB) | DOI: 10.29122/jai.v11i1.3933

Abstract

Prinsip metode Model FJ Mock menyatakan hujan yang jatuh pada daerah tangkapan air, sebagian akan hilang akibat evapotranspirasi, sebagian akan langsung menjadi direct runoff dan sebagian lagi akan masuk ke dalam tanah atau terjadi infiltrasi. Infiltrasi ini semula akan menjenuhkan permukaan tanah, kemudian terjadi perkolasi ke air tanah dan akan keluar sebagai base flow Hal ini terdapat keseimbangan antara air hujan yang jatuh dengan evapotranspirasi, direct runoff dan infiltrasi, dimana infiltrasi ini kemudian berupa soil moisture dan ground water discharge. Aliran dalam sungai adalah jumlah aliran yang langsung di permukaan tanah dan base flow. Curah hujan rata-rata bulanan di daerah pengaliran sungai dihitung berdasarkan data pengukuran curah hujan dan evapotranspirasi yang sebenarnya dari data meteorologi dengan menggunakan metode Penman dan karakteristik vegetasi. Perbedaan antara curah hujan dan evapotranspirasi mengakibatkan limpasan air hujan langsung (direct runoff), aliran dasar/air tanah dan limpasan air hujan lebat (storm runoff). Dengan metoda Model FJ Mock, dapat digunakan untuk menganalisa debit andalan untuk Daerah Aliran Sungai Cisadane. Kata kunci: Base Flow, Direct Runoff, Storm Runoff
SIMULASI POTENSI AIR TANAH PULAU PADANG RIAU DENGAN VISUAL MODFLOW Sudinda, Teddy W
Jurnal Air Indonesia Vol. 11 No. 2 (2019): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1704.872 KB) | DOI: 10.29122/jai.v11i2.3940

Abstract

Pulau Padang termasuk tipe pulau alluvium yang terbentuk di muara sungai, disusun oleh endapan sedimen dari hasil transportasi sungai. Untuk pengembangan wilayah dan otonomi daerah yang berdasarkan kepada pemanfaatan sumber daya alam, maka perlu penelitian tentang potensi air tanah untuk memenuhi kebutuhan air untuk berbagai keperluan. untuk mengetahui potensi air tanah telah dilakukan simulasi pemodelan air tanah dengan menggunakan software Modflow. Hasil simulasi pemompaan adalah berupa penurunan di sumur-sumur pemompaan yang dijadikan sumur observasi. Penurunan ini tidak mengartikan penurunan secara regional, tetapi hanya mewakili titik yang diobservasi saja. Kurva penurunan dengan berbagai skenario pemompaan telah dilakukan dengan beberapa alternatif sehingga diperoleh penurunan muka air tanah untuk akifer 1 dan akifer 2. Untuk menghindari penurunan muka airtanah hingga di bawah laut maka debit maksimum pengambilan airtanah per titik disarankan adalah 1000 m3/hari. Untuk kondisi aman maka pengambilan disarankan tidak melebihi 831 m3/hari/km2. Kata Kunci:  Potensi Air tanah, Simulasi Pemompaan, Modflow
PENENTUAN DEBIT RENCANA SITU DENGAN METODA NRECA DAN NAKAYASU (Lokasi Universitas Indonesia, Depok) Sudinda, Teddy W
Jurnal Air Indonesia Vol. 7 No. 1 (2014): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (294.905 KB) | DOI: 10.29122/jai.v7i1.2390

Abstract

Reservoir is one building that serves to store water, can be interpreted as a water reservoir in the surface soil from ground water or surface water. From the point of hydrology, it has various functions such as conservation of water resources, reduce the danger of flooding and drought. In this paper analyzed the average monthly discharge and flood discharge plans new reservoir in the Indonesia University area. Calculation of average monthly discharge in reservoir using the new calculation method the average monthly NRECA and evaporation that occurs in the study area. The calculation of flood discharge using hydrograph synthetic NAKAYASU taking into account the maximum daily rainfall and rainfall distribution. Keywords: Flood Discharge, NRECA Method, NAKAYASU Hydrograph Method.
PENGELOLAAN SUMBER DAYA AIR BAWAH PERMUKAAN DENGAN TEKNOLOGI IMBUHAN BUATAN Sudinda, Teddy W
Jurnal Air Indonesia Vol. 7 No. 2 (2014): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1071.72 KB) | DOI: 10.29122/jai.v7i2.2413

Abstract

Subsurface water resource is a natural resource that is essential for life, and therefore must be preserved so that its presence can be used in a sustainable manner. Subsurface water sources should be managed in an integrated manner based on ground water basin that can be used optimally. For the preservation of groundwater using artificial recharge technology (shallow recharge wells, Deep recharge wells and reservoir recharge). The purpose of this study was to assess the ability of absorption of artificial recharge in the shallow, medium and deep aquifer. Absorption capability will be tested by direct measurements in the field by filling water into shallow recharge wells, deep recharge wells and reservoirs recharge in the catchment area. The more water that can be absorbed by means of artificial recharge capabilities can work well. From the results of research conducted can be seen that each has its own advantages and can be implemented in accordance with the existing field conditions. Keywords: Subsurface water, aquifer, Permeability, Artificial Feed
PENERAPAN METODA RESISTIVITY DAN PERSAMAAN ARCHIE UNTUK KAJIAN POTENSI AKUIFER DI PULAU NATUNA Kuswanto, Agus; Sudinda, Teddy W
Jurnal Teknologi Lingkungan Vol. 2 No. 3 (2001): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (284.177 KB) | DOI: 10.29122/jtl.v2i3.219

Abstract

Natuna Island will be developed as main center of LNG mining and refineryactivities which will be located in South Cina Sea. As consequences, manyindustries will grow fast in this island, and water consumption will increasedrastically. Therefore, it is important to identify aquifer potentiality. There is manymetode of identificaton. This paper show the application of resistivity combine with Archie’s equation to identify vertical depth and horizontal profile of aquifer. From resistivity we got value of every rock formation whereas use Archie’s equation we interpreted resistivity value of good aquifer.
PENENTUAN PARAMETER MODEL NRECA UNTUK PULAU NATUNA Sudinda, Teddy W
Jurnal Teknologi Lingkungan Vol. 1 No. 3 (2000): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (212.409 KB) | DOI: 10.29122/jtl.v1i3.188

Abstract

Ketersediaan data debit sungai di P. Natuna sangat kurang dan jarang biladibandingkan dengan P. Jawa. Oleh karena itu dirasakan perlu untukmengembangkan suatu metoda untuk mensimulasi data debit untuk setiap lokasi yang tidak mempunyai pos duga air sama sekali. Penulis mencoba menganalisa potensi sungai tersebut dengan pendekatan Model NRECA. Dalam metoda ini dilakukan pendekatan dengan menggunakan data curah hujan yang sejenis sehingga diperoleh parameter NRECA yang kemudian digunakan dalam memperkirakan debit maksimum dari sungai yang ada di Pulau Natuna.
PENENTUAN DEBIT RENCANA SITU DENGAN METODA NRECA DAN NAKAYASU (Lokasi Universitas Indonesia, Depok) Sudinda, Teddy W
Jurnal Air Indonesia Vol. 7 No. 1 (2014): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v7i1.2390

Abstract

Reservoir is one building that serves to store water, can be interpreted as a water reservoir in the surface soil from ground water or surface water. From the point of hydrology, it has various functions such as conservation of water resources, reduce the danger of flooding and drought. In this paper analyzed the average monthly discharge and flood discharge plans new reservoir in the Indonesia University area. Calculation of average monthly discharge in reservoir using the new calculation method the average monthly NRECA and evaporation that occurs in the study area. The calculation of flood discharge using hydrograph synthetic NAKAYASU taking into account the maximum daily rainfall and rainfall distribution. Keywords: Flood Discharge, NRECA Method, NAKAYASU Hydrograph Method.
PENGELOLAAN SUMBER DAYA AIR BAWAH PERMUKAAN DENGAN TEKNOLOGI IMBUHAN BUATAN Sudinda, Teddy W
Jurnal Air Indonesia Vol. 7 No. 2 (2014): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v7i2.2413

Abstract

Subsurface water resource is a natural resource that is essential for life, and therefore must be preserved so that its presence can be used in a sustainable manner. Subsurface water sources should be managed in an integrated manner based on ground water basin that can be used optimally. For the preservation of groundwater using artificial recharge technology (shallow recharge wells, Deep recharge wells and reservoir recharge). The purpose of this study was to assess the ability of absorption of artificial recharge in the shallow, medium and deep aquifer. Absorption capability will be tested by direct measurements in the field by filling water into shallow recharge wells, deep recharge wells and reservoirs recharge in the catchment area. The more water that can be absorbed by means of artificial recharge capabilities can work well. From the results of research conducted can be seen that each has its own advantages and can be implemented in accordance with the existing field conditions. Keywords: Subsurface water, aquifer, Permeability, Artificial Feed
PENENTUAN PARAMETER MODEL NRECA UNTUK PULAU NATUNA Teddy W Sudinda
Jurnal Teknologi Lingkungan Vol. 1 No. 3 (2000): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (212.409 KB) | DOI: 10.29122/jtl.v1i3.188

Abstract

Ketersediaan data debit sungai di P. Natuna sangat kurang dan jarang biladibandingkan dengan P. Jawa. Oleh karena itu dirasakan perlu untukmengembangkan suatu metoda untuk mensimulasi data debit untuk setiap lokasi yang tidak mempunyai pos duga air sama sekali. Penulis mencoba menganalisa potensi sungai tersebut dengan pendekatan Model NRECA. Dalam metoda ini dilakukan pendekatan dengan menggunakan data curah hujan yang sejenis sehingga diperoleh parameter NRECA yang kemudian digunakan dalam memperkirakan debit maksimum dari sungai yang ada di Pulau Natuna.
PENERAPAN METODA RESISTIVITY DAN PERSAMAAN ARCHIE UNTUK KAJIAN POTENSI AKUIFER DI PULAU NATUNA Agus Kuswanto; Teddy W Sudinda
Jurnal Teknologi Lingkungan Vol. 2 No. 3 (2001): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (284.177 KB) | DOI: 10.29122/jtl.v2i3.219

Abstract

Natuna Island will be developed as main center of LNG mining and refineryactivities which will be located in South Cina Sea. As consequences, manyindustries will grow fast in this island, and water consumption will increasedrastically. Therefore, it is important to identify aquifer potentiality. There is manymetode of identificaton. This paper show the application of resistivity combine with Archie’s equation to identify vertical depth and horizontal profile of aquifer. From resistivity we got value of every rock formation whereas use Archie’s equation we interpreted resistivity value of good aquifer.