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"This book about the Mekong Delta presents a unique collection of state-of-the-art contributions by international experts from different scientific disciplines about the characteristics and pressing water-related challenges of the Mekong Delta in Vietnam."

"Preceding monitoring reports indicated that di (2-ethylhexyl) phthalate (DEHP), a commonplasticizer, was found in the samples of suspended sediment and water collected from the lowerpart of Chao Phraya River. In this continuing study, the suspended sediment and water samplesfrom the Chao Phraya Delta were collected twice a year in January and July during January 201 1 -July 2013. The analyses were performed for both DEHP and Diethyl Phthalate (DEP). Overallresults showed that concentrations of both DEHP and DEP in the water samples were relativelyhigher than those in the suspended sediment samples. The concentrations of DEHP and DEP fromall sampling periods in the water samples ranged from 1.58 - 27.55 pg/L and from 0.64 - 2.59ug/L, respectively, whereas the concentrations of DEHP and DEP from all sampling periods in thesuspended sediment samples ranged from 0.01 - 26.82 mg/g and from 0.01 - 1.93 mg/g,respectively. The concentrations of both DEHP and DEP in both suspended sediment and watersamples were relatively higher in the samples collected during lower discharge period of the ChaoPhraya River in July. The results indicated that sediment transport system could play an importantrole in the dispersion of both DEHP and DEP. The ecological risk assessment indicated that for thecurrent level of contaminations the risk did not exceed the acceptable level."

"This guide presents region and city-specific intelligence available through few other English sources. Its pages overview the region from a business standpoint, examine the economy of the region's provinces and prominent cities in depth, and introduce the basics of establishing a business in the region. With detailed economic indicators and primary research largely from Chinese government and news sources, this guide is an accessible and engaging compilation of the practical information you need for doing business in the region. Part of a series including business guides to Beijing and Northeast China, South China and the Greater Pearl River Delta, Central China and West China. "

"ABSTRACTPada studi ini telah dilakukan analisis hubungan antara pola kompaksi batuan dengan porositas batuan pada Lapangan X khususnya formasi berumur Miosen Akhir Cekungan Kutai, Kalimantan Timur. Analisis tersebut berfokus pada 3 marker yaitu marker MF6, MF7, dan MF8 yang setara dengan umur geologi Miosen Akhir. Hubungan antara kompaksi dan porositas batuan dihasilkan dari korelasi data crossplot antara nilai porositas dan kedalaman dengan Burial History Chart dari setiap marker penelitian. Selain untuk mengetahui keterkaitan antara kompaksi dan porositas batuan, hasil lain yang didapatkan dari penelitian ini adalah sebagai salah satu metode mitigasi bencana, penurunan muka tanah, maupun evaluasi mitigasi dan strategi pemboran.

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ABSTRACTThis study has analysed the relations between sandstone compaction and sandstone porosity in X Field which focused on Late Miocene Formation of Kutai Basin, East Kalimantan. This analysis is specific to 3 Late Miocene regional markers, they are MF8, MF7 and MF6. The relations between compaction and porosity are obtained from the correlation of both porosity vs depth crossplot and Burial History Charts from each regionan marker. Not only knowing the relationship between those 2 aspects, this research can be used as one of the methods for disaster mitigation, subsidence analysis, as well as evaluation for drilling mitigation and strategy."

"Manajemen risiko yang efektif adalah kunci keberhasilan suatu perusahaan untuk mengelola risikonya. Untuk menjaga nilai asetnya, sebuah perusahaan perlu mengestimasi risiko pasar dalam berinvestasi dengan alat ukur risiko yang efektif. Salah satu alat ukur risiko yang sering digunakan adalah Expected Shortfall (ES), didefinisikan sebagai nilai ekspektasi kerugian jika diketahui kerugian melebihi nilai Value-at-Risk. Secara umum, risiko kerugian dari sebuah aset dalam portofolio dapat diprediksi dengan mengasumsikan distribusi return mengikuti distribusi normal. Pada aset derivatif  tidak berlaku sama karena memiliki distribusi nonlinear, return bergantung pada harga underlying asset, waktu jatuh tempo, volatilitas, dan tingkat bunga. Perhitungan return portofolio secara umum dilakukan dengan simulasi Monte Carlo (MC).  Dalam penggunaannya, metode MC membutuhkan waktu lama jika portofolio memiliki banyak campuran aset saham, obligasi, maupun derivatif. Alternatif pengukuran ES yang lebih cepat dibanding simulasi MC adalah menggunakan formula eksplisit pada metode Delta-Gamma. Formula eksplisit metode Delta-Gamma dapat dirumuskan berdasarkan distribusi nonsentral Chi-Squared derajat bebas satu. Pada penelitian ini, aset derivatif yang menjadi perhatian adalah waran, yaitu kontrak finansial yang diterbitkan perusahaan untuk membeli saham pada waktu tertentu dengan harga yang telah ditentukan. Pengukuran ES pada waran dalam penelitian ini menggunakan model Black-Scholes untuk mendapatkan parameter Delta dan Gamma. Hasil pengukuran ES pada waran menggunakan formula eksplisit Delta-Gamma menghasilkan Average Percentage Error (APE) dibawah 0.06% dibandingkan dengan simulasi MC.

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An effective risk management is a key to the success of companies in managing its risks. To maintain the value of their assets, company should be able to estimate market risk in investing using an effective risk measuring tool. Expected Shortfall (ES) is one of the most used effective risk measures, defined as expected loss value if it is known that the loss exceeds Value-at-Risk. In general, the risk of loss of an asset in a portfolio can be predicted by assuming the distribution of returns follows normal distribution. However, it does not apply to derivative assets, because they have a nonlinear distribution, the return depends on the price of the underlying asset, time to maturity, volatility, and interest rates. Calculation for portfolio returns is generally carried out using Monte Carlo (MC) simulations. The MC method takes a lot of time if the portfolio has a large mix of stock, bond, or derivative assets. An alternative for measuring ES that is faster than MC simulation is to use an explicit formula of Delta-Gamma method. The explicit formula of the Delta-Gamma method can be formulated based on the non-central Chi-Squared distribution with one degree of freedom. In this study, the concern in derivative assets are the warrants, namely financial contracts issued by companies to buy shares at a certain time at a predetermined price. The measurement of ES on warrants in this study uses the Black-Scholes model to produce Delta and Gamma parameters. The results of the ES measurement on warrants using the explicit Delta-Gamma formula produce Average Percentage Error (APE) below 0.06% compared to the MC simulation."

"ABSTRAKPercobaan kali ini menggunakan sayap model delta dengan swept angle sebesar 65^o untuk mengukur performa dari sayap. Dua hal yang menjadi focus pada penelitian ini adalah pengukuran lift dan drag dari sayap delta dengan dan tanpa menggunakan kontrol aliran akutator plasma. Pengujian dilakukan menggunakan wind tunnel dengan kecepatan free stream sebesar 5,74 m/s dengan bilangan Reynolds sebesar 83000. Aktuator plasma yang digunakan menggunakan konfigurasi multi-DBD. Didapatkan pengaruh dari aktuator plasma terhadap performa dari sayap delta yang dapat meningkatkan nilai koefisien lift dan mengurangi nilai koefisien

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ABSTRACTIn this study, an experiment was carried out to measure the performance of a delta wing with 65^o swept angle. There are two things that will be focused, the measurement of lift and drag on the delta wing with and without plasma actuator. The experiment is utilizing a wind tunnel with a free stream velocity of 5.74 m/s and at Reynolds number amounting to 83000. Multi-DBD plasma actuator was implemented on top of the wing. The performance of the wing was positively affected by the use of plasma actuator, proven by the increasing lift coefficient and the decreasing of drag coefficient.

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"This book is designed to provide concepts, methodologies, and approaches for river basin studies with respect to water resources and environment. The book is not limited to the Yamuna River basin, but will help in the study of various other river basins for integrated water resources management. The book covers the essential components of integrated water resources management, including analysis of climatic variables, climate change detection, analysis of natural resources, geology, geomorphology, socio-economics, water budgeting, flood estimation, river pollution, etc. Furthermore, the book addresses recent issues pertaining to water quality, water quality indices, environmental flows, water resources management through cropping pattern change, etc. along with methodologies and application to the Yamuna River system. However, the main objective of this book is to address important issues of water resources management of river basins. "

"Lapangan KX di Cekungan Tarakan Kalimantan Utara memiliki potensi untuk dikembangkan sebagai lapangan gas. Melalui hasil pemboran sumur KX-1 , zona reservoar pada Lapangan KX adalah reservoar batupasir delta. Penelitian ini bertujuan untuk mendapatkan karakter reservoar delta dan mendukung dalam pengambilan keputusan pengembangan lapangan.Pada lingkungan reservoar batupasir delta, karakter lingkungan pengendapan yang memiliki banyak variasi adalah sebuah tantangan dalam pengembangan lapangan. Kualitas dan distribusi reservoar batupasir tidak merata pada lingkungan delta. Dengan metode seismik inversi impedansi akustik dan seismik atribut tras komplek , penentuan karakter dari reservoar delta Formasi Tarakan telah berhasil dilakukan. Metode seismik atribut tras komplek dapat menentukan penyebaran batupasir Formasi Tarakan melalui perbedaan frekuensi sesaat. Seismik atribut fase sesaat dan inversi impedansi akustik mampu menggambarkan lingkungan pengendapan saat reservoar Formasi Tarakan diendapkan. Dengan interpretasi penyebaran batupasir dalam frekuensi sesaat dan rekonstruksi lingkungan pengendapan maka dapat ditentukan zona reservoar batupasir Formasi Tarakan yang memiliki kualitas baik dan zona non reservoar. Metode seismik atribut tras komplek dan inversi impedansi akustik dapat menentukan arah pengembangan lapangan KX dengan menggabungkan antara interpretasi geologi delta, interpretasi seismik atribut tras komplek dan inversi impedansi akustik. Dengan penentuan kualitas reservoar batupasir Formasi Tarakan yang memililki nilai 4300-5800 (m/s*g/cm3) dan porositas 20-30% diinterpretasikan sebagai reservoar gas yang layak dikembangkan. Nilai cadangan dari struktur DFY ini mencapai 156.21 BCF.

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KX field in North Borneo Tarakan Basin has the potential to be developed as a gas field. Through the KX-1 well drilling, reservoir zones in the Field KX is a delta sandstone reservoir. This study aims to get the character of reservoir delta and support in decision making field development.In the delta sandstone reservoir environment, which has many variety of depositional enviromnent , is a challenge in the development field. The quality and distribution of reservoir sandstones is uneven in delta environment. With the method of seismic acoustic impedance inversion and complex trace seismic attribute, determining the character of reservoir delta of Tarakan Formation has been successfully carried out.The sandstone reservoir distribution of Tarakan Formation has been deliniated in lateral extent with acoustic impedance interpretation. Depostional environment of sandstone reservoir of Tarakan Formation has been reconstructed by interpretation of complex trace attributes.The integrated interpretation of the instantaneous frequency and the reconstruction of depositional environment can then be determined for sandstone reservoir Tarakan Formation zones that have good quality and separated non-reservoir zones.The direction of development in KX field has been carried out with the integrated interpretation of acoustic impedance inversion and complex trace attributes. Reservoir sandstones that have good quality range in 4300-5800 (m/s*g/cm3) and porosity 20-30%. The initial gas in place reserves are estimated worth 156.21 BCF. "

"ABSTRAKDelta adalah bagian paling dinamis dari sungai besar. Perubahan delta baik bentuk maupun luas dipengaruhi oleh perubahan penggunaan tanah, debit aliran, masukan sedimen, perubahan alur sungai, morfologi pantai, arus laut, gelombang, dan pasang surut. Perubahan delta yang dinamis bergantung pada faktor yang mempengaruhinya yang juga dapat berfluktuasi, sehingga dibutuhkan pemantauan perubahan delta untuk pengelolaan wilayah pesisir yang lebih baik. Penelitian ini bertujuan untuk mengetahui perubahan spasial morfologi delta dan faktor yang dominan berpengaruh dalam perkembangan delta. Metode analisis yang digunakan adalah metode analisis spasial dan deskriptif kuantitatif dengan menggunakan tools Arc.GIS 10.1. Pada tahun 2004 ? 2015, Delta Kali Pemali mengalami perubahan bentuk dan luas. Delta Kali Pemali berubah bentuk dari Elongate menjadi bentuk Bird-foot (Kaki Burung) dan luas delta Kali Pemali bertambah seluas 453,82 Ha. Secara spasial pertumbuhan Delta Kali Pemali berbeda. Di bagian timur pertumbuhan delta didominasi oleh pengaruh faktor fluvial yaitu masukan sedimen dan perubahan alur sungai (alami dan modifikasi) sehingga cenderung bertambah luas. Sementara, di bagian barat pertumbuhan delta didominasi oleh pengaruh faktor marine yaitu arah arus laut sehingga luas delta cenderung berkurang

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ABSTRACTDelta is the most dynamic part of large rivers. Changes in the morphology and wide delta is influenced by changes in land use, river flow, inputs sediment, changes in river basin, coastal morphology, currents, waves, and tides. Delta dynamic changes depend on factors that influence can also fluctuate, so monitoring the delta changes needed for better coastal management In this study aims to determine the spatial changes in morphology of the delta and the dominat factors influence the development of the delta. The method of analysis used is spatial method and descriptive quantitative method analysis using tools Arc.GIS 10.1. In the year 2004 ?2015, Kali Pemali delta experiencing dynamic change both form and wide. Kali Pemali delta change shape from elongate into birdfoot and growing area of 454 hectares. Spatially, growth Kali Pemali Delta is different. In eastern, delta growth is dominated by the influence of fluvial factors that are input sedimens and change the flow of the river (natural and modified ) so it tends to grow large. Meanwhile, in the western, delta growth is dominated by the influence of marine factors that is the direction of ocean currents so vast delta tends to decrease."