Located on the equator and part of the maritime territory of Indonesia, Java Island is very vulnerable to the impacts of climate change based on the occurrence of the El Niño Southern Oscillation (ENSO) and Indian Ocean Dipole (IOD) phenomena. To analyze the level of extreme rainfall on the influence of ENSO and IOD in Central Java Province can be done by involving the RClimDex software. The d…
This research aims to address the significant challenges caused by climate change in Palembang City, which has experienced substantial variations in rainfall with significant impacts during the period from 1999 to 2010. This research focuses on developing a predictive model using a Recurrent Neural Network (RNN) to forecast rainfall in Palembang from February 4, 2023 to February 4, 2028. The ut…
The recent decline in rainfall levels in the city of Palembang has caused the phenomenon of extreme drought in 2023. This phenomenon has had a big impact on life, such as the cessation of several activities in the city of Palembang. This requires an analysis of the dynamics of rainfall in the city of Palembang. For this reason, research was carried out related to the analysis of the dynamics of…
The rainfall data studied aims to determine recurring patterns within a certain time period related to rainfall in an area. Fast Fourier Transform (FFT) is a form of transformation that is commonly used to change signal representation from the time domain to the frequency domain. This research uses the FFT method with the help of machine learning to identify rainfall patterns in the North Sumat…
PT. Cipta Kridatama adalah salah satu kontraktor di site PT. Riau Baraharum yang kontrak kerjanya bertanggungjawab dalam proses pengupasan overburden. Metode penambangan yang diterapkan adalah metode tambang terbuka yaitu metode back filling dan metode strip mine. Pada metode strip mine, pemilihan suatu penyaliran sangat dipengaruhi oleh besar kecilnya curah hujan. Tentu saja ketika front penam…
Analisis curah hujan wilayah ekuatorial Indonesia berbasis machine learning telah selesai dilakukan. Tujuan penelitian ini yaitu menganalisis curah hujan wilayah ekuatorial Indonesia berbasis machine learning. Metode penelitian yang digunakan dalam penelitian ini adalah metode penelitian analisis kuantitatif dengan menggunakan data sekunder. Data yang digunakan merupakan data curah hujan dari s…
Komponen masukan utama dalam proses hidrologi adalah hujan. Kualitas dan kuantitas data hujan menentukan kualitas ketetapan perencanaan dan pengelolaan sumber daya air. Agar memperoleh data yang akurat maka perhatian khusus perlu diberikan pada kondisi stasiun hujan, jumlah stasiun hujan, kerapatan dan pola penyebaran serta ketelitian pencatatannya. Daerah aliran sungai Musi merupakan daerah al…
Rainfall simulator is a device used to create artificial rain to support variations of rainfall intensity and duration of rainfall variations automatically. Variation of pressure used was 2.5 psi, 3 psi, 3.5 psi, 4 psi, 4.5 psi, 5 psi, 5.5 psi, 6 psi, and 6.5 psi. Parameters used to study about the performance of rainfall simulator are rainfall intensity, the diameter of the raindrops, rain mas…
The intensity of rainfall in the city of Padang Panjang is quite high which is influenced by its geographical location, so that the high intensity of rainfall which can change in a short time will affect the continuity of people's lives and the impacts experienced due to the El-Nino Southern Oscillation (ENSO) phenomenon and the Indian Ocean Dipole ( IOD) which affects the amount of rainfall in…
Lahat District is one of the district in South Sumatra with moderate rainfall intensity of 266 mm/month. This area experienced flash floods caused by high intensity rainfall which resulted in the overflow of the Lematang River. Therefore, rainfall prediction is needed to anticipate the negative impact of high rainfall intensity. This study aims to predict rainfall in Lahat district in the futur…
This research present the model study on the relation between rainfall pattem and surface run off flows of a small catchment area. The influences of catchment area characteristics such as land use, soil behavior, topography condition and other related physical condition was investigated. Surface runoff flow and peak discharge assessment was done at each sub catchment area by using Rasional meth…
Curah Hujan merupakan faktor yang mempengaruhi kejadian tanah longsor di beberapa tempat di indonesia. Perubahan iklim yang terjadi saat ini menyebabkan terjadinya perubahan variabilitas hujan di Indonesia. Faktor lain penyebab bencana tanah longsor adalah geomorfologi, geologi, kemiringan lereng, dan variabilitas hujan terhadap kenaikan muka air tanah dan sebagainya. Pendekatan multi-critea an…
Carbon dioxide (CO2) emissions has increased every year. CO2 is a greenhouse gas that keep the earth’s temperature stable. However, the concentration of greenhouse gases including CO2 which continues to increase causes an increase in the average temperature of the earth which is called global warming. This makes all countries work together through the Paris agreement to be able to reduce gree…
The need for rainfall data is an important factor in the development sector. Limited rainfall data can hinder various analyses in the field of hydrology and water resources planning. One alternative for measuring rainfall is by using Satellite CHIRPS, which records only cloud activities and requires validation in its use. This study aims to determine the correction factor in Satellite CHIRPS ra…
Hujan merupakan fenomena alam yang sangat penting keberadaannya baik bagi pertanian maupun kehidupan kita. Dalam jumlah yang cukup dan terkendali, hujan merupakan Rahmat Tuhan yang tidak berhingga manfaatnya. Sebaliknya hujan akan membawa bencana jika jumlah dan sebarannya tidak terkendali. Di sisi lain, hujan merupakan fenomena alam yang sulit dimodifikasi atau dikendalikan. Mengenal dan memfo…
Water have a important part for comsumption human, grown, and the other necessity of water. If precipitation is down then current of water for fountain is down too, conversely if precipitation is build-up then current of water for fountain is build-up too. For that have analysis calculation for precipitation, and then also consider for evaporate. Evaporation is process convert form water become…
Changes in land use affect the amount of runoff that can seep into the soil. This problem can be found in Perumahan Dosen UNSRI. This can be overcome by rain water management such as Infiltration Trench and Rain Water Harvesting. This study aims to analyze the best scenario in rainwater treatment in the research area to reduce excess runoff that occurs. Daily rainfall data, land use, soil perme…
Tanah longsor merupakan salah satu bencana alam geologi berupa terjadinya gerakan tanah atau massa batuan penyusun lereng yang sewaktu-waktu dapat menimbulkan kerugian materil bahkan korban jiwa. Tujuan dari studi penelitian ini adalah untuk mengetahui pergerakan lereng dan intensitas curah hujan rencana yang kemudian mengetahui hubungan kestabilan lereng yang ada di area pit PT. CDE terhadap i…
Secara geografis daerah penelitian terletak di Desa Gunung Megang, Kecamatan Semidang Alas, Kabupaten Seluma, Bengkulu. Penelitian bertujuan untuk mengetahui aktivitas tektonik dan tingkat curah hujan pada daerah penelitian karna aktivitas tektonik yang tinggi dapat mengakibatkan potensi bencana yang didukung dengan tingkat curah hujan yang lebat pada daerah penelitian. Metode yang digunakan me…
Plaque is a thin film on the surface of a tooth containing a variety of microorganisms. At cm early stage, plaque containing only microorganisms gram-positive facultative then will happen growth and maturalion of the plaque, so microorganisms turned into gram-negative facultative, gram-negative anaerobic and spirocheta. These microorganism will disturb the balance of the oral cavity its cause t…
ABSTRAK Analisis curah hujan di kota Palembang terhadap indikator yang mempengaruhi (Indeks Nino 3.4) telah berhasil dilakukan. Metode yang digunakan yaitu pendekatan kuantitaif dengan analisis data sekunder berupa data dari stasiun Badan Meteorologi Klimatologi dan Geofisika di Stasiun Klimatologi Palembang dari periode 2001-2020. Analisis korelasi dilakukan dengan menggunakan Microsoft Excel …
Curah hujan mempunyai pengaruh yang besar terhadap daur hidrologi, dimana daur ini berguna sebagai titik awal untuk mempelajari hidrologi. Salah satunya adalah perhitungan intensitas curah hujan dalam beberapa periode ulang dimana data curah hujannya adalah data curah hujan jam-jaman maksimum jangka pendek daerah Kenten. Penulisan skripsi ini merupakan studi perencanaan, maka dalam perhitungan …
The intensity of rainfall in Pagaralam City can be categorized as high each year, the condition of high rainfall intensity in the Pagaralam City area can cause several disasters such as landslides and floods. Therefore we need a rainfall prediction system that is able to predict rainfall in Pagaralam City. Information about rainfall will make the community ready for future disasters and support…
Palembang City is one of those cities vulnerable to flood and erosion because it has high rainfall intensity in each year. One of possible method to anticipate this problem is using rainfall forecasting. This research is present a prediction of weather (Rainfall) based on the rain category with the result that rain and not rain in Palembang City on the period January 2011-December 2021 using da…
In this study, a comparison of the existing rainfall data in the field and rainfall data from the GPM (Global Precipitation Measurement) satellite was carried out. Rainfall data from the field and GPM satellite are then processed and validated between the two data. If the data generated from the GPM (Global Precipitation Measurement) is close to the data in the field, then the GPM (Global Preci…
This study aims to validate and calibrate the data obtained from GPM and PERSIANN satellite, and to analyze the mean areal precipitation of Sumatera Selatan with the calibrated data. The data are obtained from 9 cities inside Sumatera Selatan, on three years duration (2019, 2020, 2021). Validation process is done by using three statistic parameters: correlation coefficient, Root Mean Square Err…
Rainfall data is a crucial factor in the world of Civil Engineering in its various uses. However, the completeness of the required rainfall data is often an obstacle because it is incomplete due to various factors, so the data is not recorded. Therefore, this study evaluates GPM (Global Precipitation Measurement) satellite rain data which is able to present the needs of rainfall data based on t…
Pengetahuan dan pemahaman yang lebih mendalam mengenai curah hujan dan distribusinya dalam ruang dan waktu merupakan hal yang penting untuk keperluan kebenaran dan pembiayaan yang efektif dalam berbagai bangunan rekayasa. Informasi mengenai distribusi curah hujan juga merupakan hal yang penting untuk keperluan, rancangan jaringan curah hujan, peramalan hidrologi dan pemodelan daerah aliran sung…
There are two climates that occur in Indonesia, namely dry season and dry season. One of the important factors in climate change is El-Nio and La-Niña. El-Niño is an ocean-atmosphere phenomenon that causes sea surface temperatures to rise even more. El-Niño is defined as the phenomenon of a positive difference between the observed sea surface temperature compared to its normal state in the e…
Penelitian yang berjudul analisis vegetasi pada lahan tergenang di Mile Post (MP) 19 kawasan pengendapan pasir sisa tambang PT. Freeport Indonesia Kabupaten Mimika Papua ini bertujuan untuk mengetahui jenis-jenis vegetasi yang terdapat di lahan tergenang Mile Post (MP) 19 kawasan pengendapan pasir sisa tambang PT. Freeport Indonesia ditinjau dari struktur dan komposisi vegetasinya. Penelitian i…