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All Journal JURNAL AIR INDONESIA JURNAL TEKNOLOGI LINGKUNGAN Jurnal Rekayasa Lingkungan
Robertus Haryoto Indriatmoko
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Journal : JURNAL AIR INDONESIA

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APLIKASI SISTEM INFORMASI GEOGRAFI UNTUK PENGHITUNGAN KOEFISIEN ALIRAN DAERAH ALIRAN SUNGAI (DAS) CILIWUNG Indriatmoko, Robertus Haryoto; Wibowo, V. Ery
Jurnal Air Indonesia Vol. 3 No. 2 (2007): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v3i2.2339

Abstract

According to Cook, drainage basin characteristics factor yielding high surface stream are 1. Relief 2. Infiltration 3. Landuse, and 4. Drainage density. These physical parameter is use to determine runoff coefficient of catchment area, with application of Geographical Information System (GIS) application on Ciliwung catcment area above Depok. Steps to analyse of runoff coefficient are scoring of each classification of relief, infiltration, landuse and drainage density, and then all of the four maps which have score are overlay to become a map of unit land. Runoff coefficient hereinafter is calculated and found out that runoff coefficient of Ciliwung catchment area is 0, 58.   Katakunci : GIS, SIG, metode Cook, metode Bridge Branch, runoff coeffisient, catchment area, DAS, Ciliwung, relief, infiltration, landuse, drainage density, informasi, peta tematik.
PENGELOLAAN AIR TANAH DAN INTRUSI AIR LAUT Herlambang, Arie; Indriatmoko, Robertus Haryoto
Jurnal Air Indonesia Vol. 1 No. 2 (2005): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v1i2.2348

Abstract

Coastal Aquifer System of Jakarta consist of unconfined aquifer layers, confined aquifer I and  confined aquifer II.  Resources of  groundwater is very important for Jakarta City, for drinking water, industry, hotel, government offices and various other facility. Important considering of    groundwater resources of Jakarta hence needed an effort to preserve the groundwater and awake its continuity by conducting a system management of groundwater. Model used for the management of groundwater system of aquifer coastal referred as Groundwater Model Simulation and Optimization of Quasi Three Dimension ( OPT-Q3D). Model simulation and optimization represent computer model of quasi-three dimensions with method of finite difference used for the operation of infiltration of sea water. This model can conduct current simulation of groundwater flow, head of fresh water and brine, and describe the movement of interface fresh water and sea water. The model can also make optimization of system aquifer with single or multi layers.  Jakarta Groundwater Basin assumed consist three layers of aquifer separated by impermeable layer. Applying of groundwater simulation model in Jakarta can give information regarding balance of groundwater, head of freshwater, head of  brine, interface brine and freshwater, map of brine distribution and bargain in each; every aquifer. Herein after model optimization will yield various information able to wear upon which consideration to manage the amount of pumping of optimal ground water every area in each layer of aquifer, amount of optimal pumping, optimal freshwater head, head of optimal brine and map of infiltration.  Kata Kunci  : Air Tanah, Pengelolaan, Intrusi Air Laut, Modeling
PENGELOLAAN DATA SISTEM ALIRAN DRAINASE KOTA Studi Kasus : Jakarta Selatan dan Jakarta Timur Indriatmoko, Robertus Haryoto; Wahjono, Heru Dwi; Yudo, Satmoko
Jurnal Air Indonesia Vol. 1 No. 3 (2005): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v1i3.2359

Abstract

Fast growing development at big cities such as Jakarta usually cause surface hydrology problems, which is indicated by many surface detention and local floods during rainy season. These problems were raised because of the increasing of runoff coefficient of sub catchment areas and limited capacity of existing drainages. Analysis have made on drainage capacity of sub catchment areas connected to peak flow cause by rain on certain recurrence period and result in data to evaluate drainage capacity to solve these water detention and local floods problems. Katakunci : Genangan, Banjir, Drainase, DAS, Database.
PENDUGAAN POTENSI AIR TANAH DENGAN METODA RESISTIVITAS DUA DIMENSI DI WILAYAH PESISIR UNTUK PERENCANAAN PEMBANGUNAN AIR BERSIH DI KABUPATEN PASIR, KALIMANTAN TIMUR Indriatmoko, Robertus Haryoto; Herlambang, Arie
Jurnal Air Indonesia Vol. 1 No. 3 (2005): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v1i3.2360

Abstract

Pasir Regency (Tanah Grogot) has coastal areas which is potential economically. To support the development of the area the local government is planning the development of proper and efficient plan to overcome the water  problem of a coastal area. The plan could be implemented by conducting geophysical research and analysis of water quality of existing water resources. Based on this research hopefully an economically proper and efficient plan to develop the potency of existing water resources will be implemented.  Katakunci : Wilayah Pesisir, Dua Dimensi, Geofisik, Akuifer, Air Tanah, Kualitas Air, Kabupaten Pasir,Tanah Grogot
PENGUKURAN INFILTRASI DALAM KAWASAN TEKNOPARK PELALAWAN Indriatmoko, Robertus Haryoto; Kristyawan, I Putu Angga; Shoiful, Ahmad
Jurnal Air Indonesia Vol. 8 No. 2 (2015): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v8i2.2372

Abstract

Teknopark Pelalawan area is an area designed as a center for the development of local advantages generated through research. In the region there will be College of Technology Palalawan and various Research and Development Center as to the development of local products, industrial downstream palm oil products, forest products and small and medium scale industries. Means and supporting facilities such as clean water, waste water and drainage systems are currently being incorporated into the master document teknopark region Palalawan plants. Infiltration measurements conducted to support the planning of drainage systems in order to manage rainwater in the area of teknopark Palalawan. This measurement is done in both land area units, namely: dry land units and land units of wet peat. Infiltration measurements done using an instrument called a double ring infiltrometer. To measure the rate of infiltration were analyzed using Kostiokov method. The result is: infiltration in the drylands of 1.5 mm / min on a peaty wetland was 0.4 mm / min. The conclusion that can be drawn is that in order to manage the rainwater would be more efficiently carried out on dry land unit. Keywords: teknopark Pelalawan, infiltration rate, kostiakov, double ring infiltrometer, constant infiltration rate
KAJIAN PENDAHULUAN SISTEM PEMANFAATAN AIR HUJAN Indriatmoko, Robertus Haryoto; Rahardjo, Nugro
Jurnal Air Indonesia Vol. 8 No. 1 (2015): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v8i1.2387

Abstract

Rainwater is an abundant source of water, especially during the rainy season. But otherwise if it is not managed properly, it can lead to disasters, such as floods or landslides. Therefore it is very important to harness rainwater by doing the best way, ie by the rain harvesting and then infiltrating the water back into the ground. Many countries have shown good results in the use of rainwater for various purposes. Dominican Republic, Singapore, Japan, China, Thailand and Indonesia are 7 countries which have a lot of implementing rainwater utilization system very well. Rainwater can be used as a source of clean water to meet the drinking water needs. Artificial recharge for rain water lets the water goes to infiltrate back into the soil is a powerful effort to maintain and preserve the ground water potential. Besides, infiltration of rainwater into the soil also can prevent land subsidence. Because of the importance of rainwater management system, it should be included in the educational curriculum both for elementary to upper secondary level. Similarly, the obligation for proper implementation must also be supported by adequate rules or regulations. Keywords : Rainwater management, artificial recharge.
MEMBANGUN “SISTEM DINAMIS UNTUK MENGHITUNG DEBIT PUNCAK” (SDDP) DENGAN MENGGUNAKAN STELLA VERSI 9.0.2 (Uji Aplikasi Untuk Wilayah Banjir di Kecamatan Makasar Jakarta Timur) Indriatmoko, Robertus Haryoto
Jurnal Air Indonesia Vol. 5 No. 1 (2009): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v5i1.2434

Abstract

Peak Discharge Dinamyc System (SDDP) is a program which apply to calculate peak of discharge a catchment area with area and rain fall intensity as parameters, with limited to maximal 50 km2 area and 100 mm/hour rain fall intensity. This program is develop by using System Dinamyc Stella version 9.0.2. Steps taken are, first by calculate runoff cooeficient use Bridge-Branch method and then calculate peak discharge with rational method. This program is tested on sub-catcment Makassar, East Jakarta and compare the result of the program with manual calculation, and concluded that no deviation between those 2 methods, and even more the SDDP program provide prediction of peak discharge with variable C value and data of calculation peak discharge with SDDP program presented in graphic and tabulation as well. Key words : Model, Sistem Dinamis, Stella, Banjir, Debit Puncak, Koefisien Aliran, Prediksi, Jakarta Timur
PENERAPAN PRINSIP KEBIJAKAN ZERO DELTA Q DALAM PEMBANGUNAN WILAYAH Indriatmoko, Robertus Haryoto
Jurnal Air Indonesia Vol. 6 No. 1 (2010): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v6i1.2457

Abstract

Principle of zero delta Q policy is that a development should not  increase water discharge to drainage system. Policy of zero delta Q is apply to zone of recharge area and other zone which is not recharge area as well, because this area which is not as recharge area has contribute a great deal to local flood. Based on this therefore implemention of policy of zero delta Q is applied to urban area such as Jakarta. Activities proposed for Jakarta were: 1. Optimize use of water reservoir, pond and site; 2. Implementation of artificial recharge or could be combined with biopore; 3. Effective land use by provide open green areas; and 4. Normalization of drainage system. Keywords : policy, zero delta q, flood, artificial recharge, biopore, development
UJI COBA APLIKASI PEMANENAN AIR HUJAN DAN SUMUR RESAPAN DI WILAYAH BOGOR, DEPOK DAN JAKARTA Herlambang, Arie; Indriatmoko, Robertus Haryoto; Yudo, Satmoko; Samsuhadi, Samsuhadi
Jurnal Air Indonesia Vol. 6 No. 2 (2010): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v6i2.2469

Abstract

Areas of Jakarta, Bogor, Tangerang and Bekasi (Greater Jakarta) is an area with high rainfall (2250 -2500 mm/year). The rain that falls in this region often cause flooding problems in the area of rice fields, settlements and even in downtown. Rain is a gift from God to be utilized to the maximum extent possible for everyday purposes. Rain Water Harvesting is an attempt to capture rainwater that falls on the roof. In this study, use of the roof area of about 300 -500 m2. Precipitation that falls on the roof is channeled and put into storage, by first filtering done to reduce the dirt. The volume of rain water storage for each location is 10 m3, medium intensity rain (15-20 mm/h), sufficient to meet the storage within a few hours. Rain Water Reservoir are equipped with water pump which has a capacity of 25 liters/minute, the water can be used for flushing toilets and spraying crops. If Rain Water Reservoir is full, water overflows into the Artificial recharge well. The results of analysis with Kostiokov calculation method used to calculate the infiltration rate of Artificial recharge well and calculate the cumulative volume of infiltration at the Artificial recharge well. Results of tests conducted are as follows: a). In Depok, the infiltration rate of Artificial Recharge Well is about 12 mm/minute and was relatively stable at 140 minute (2 mm/minute). It also has the ability to recharge  450 liters of water in 140 minutes. b). In South Jakarta, the infiltration rate of Artificial Recharge Well is about 11 mm/minute and was relatively stable at 160 minutes (2.5 mm/minute). Artificial Recharge Well has the ability to recharge  480 liters of water  in 160 minutes. c). In Bantarjati, Bogor,  Artificial Recharge Well have the highest capacity, namely 45 mm/minute and was relatively stable at 260 minutes (2.5 mm/minute). Artificial Recharge Well has the ability to recharge 1000 liters of water  in 150 minutes. Rain Water Harvesting Development Efforts and Artificial Recharge Well very useful to overcome inundation in residential areas, especially during heavy rain, because it can reduce the volume of surface water into the channel simultaneously. Keywords : Rain Water Harvesting, Infiltration, Artificial Recharge.
ANALISIS TERHADAP PERUBAHAN SALINITAS AIR TANAH DANGKAL PADA SISTEM AKUIFER TAK TERTEKAN CEKUNGAN JAKARTA Indriatmoko, Robertus Haryoto
Jurnal Air Indonesia Vol. 9 No. 1 (2016): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v9i1.2474

Abstract

The study on ground water salinity changes in unconfine aquifer system, is the study of hydrostatic equilibrium between the fresh ground water and salty ground water, aquifer unconfine restricted to coastal. The main objective of the aspects examined, namely: (i) To identify the level of intrusion of sea water in the basin aquifer system taktertekan Jakarta. The purpose and methodology of the study are as follows: (i) The primary data (1995-2009) and secondary (2010), including salinity data attributes, including ground water level, coordinates (UTM) and groundwater salinity levels (ii). Regression analysis of the relationship between the data (EC, Cl- and TDS). (Iii). Analysis of the period 1995-2010 salinity map using GIS and graphic analysis. (Iv). The focus of the analysis in three zones transection (ZT), namely ZT-I west, ZT-II central and eastern ZT-III was unconfine aquifer system in the Jakarta basin. The conclusion of this study are: (i) Variable Cl- and TDS have a strong correlation to predict EC using the following equation Y = 3.45 X + 517.80 (R2 = 0.88) for the DHL and TDS = 1, 86 X + 132.86 (R2 = 0.99) , (ii) based on the results of the analysis of the level of sea water intrusion during the period 1995-2010 (15 years), the intrusion of sea water has reached 8 km from the coast in the ZT-III, in ZT-II reaches 5 km and at ZT-I at 4.8 km from the coastal. Analysis of the development of the distance from shore limit saltwater intrusion since 1982 for 28 years can be calculated that the rate of salt water intrusion in the transection zone I is 0.1 km/year, the transection zone II is 0.06 km/year and in the zone transecting III is 0.11 km/year. The main cause of major intrusion of sea water into the aquifer system of the mainland is the amount of groundwater pumping against excessive.Keywords :  salt water intrusion, unconfine aquifer, aquifer system, Jakarta basin, recharge, salinity, electrical conductivity.
Co-Authors Arie Herlambang Heru Dwi Wahjono Imam Setiadi, Imam J, E. Myra. Kristyawan, I Putu Angga Rahardjo, Nugro Rudi Nugroho Samsuhadi Samsuhadi Satmoko Yudo Setiyono Setiyono Shoiful, Ahmad Wahyu Purwanta wahyu purwanta wahyu widayat Wibowo, V. Ery Wiwik Handayani