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"Situ merupakan danau kecil serta memiliki karakteristik fisik perairan yang berfluktuasi, tergantung dari musim. Kondisi tersebut dapat mempengaruhi suksesi dan pertumbuhan fitoplankton. Komposisi dan kelimpahan fitoplankton dapat berubah secara musiman (temporal) terkait fluktuasi karakteristik fisik tersebut. Penelitian ini ditujukan untuk mengetahui perubahan temporal komposisi dan kelimpahan fitoplankton di Situ Lembang. Pengamatan dilakukan pada bulan Mei sampai dengan bulan Oktober 2007. Parameter kualitas air diukur secara langsung menggunakan Horiba-U 10, sedangkan parameter nutrien dianalisis menggunakan standard method. Fitoplankton diamati secara kuantitatif menggunakan metode Lackey Drop Microtransect termodifikasi. Pengelompokkan fitoplankton dengan faktor lingkungan menggunakan analisis komponen utama. Hasil penelitian menunjukkan adanya perubahan komposisi fitoplankton secara temporal. Bulan Mei (musim peralihan hujan ke kemarau) menunjukkan presentase komposisi antara Chlorophyta dan Chrysophyta yang seimbang, diindikasikan oleh nilai indek keanekaragaman paling tinggi. Komposisi Chlorophyta mendominasi pada bulan Juni namnu terus menurun memasuki bulan Juli, Agustus, September (musim kemarau), sebaliknya komposisi Chrysophyta paling rendah pada bulan Juni dan mulai meningkat pada musim kemarau dan awal musim hujan (Oktober), sementara Cyanophyta sedikit meningkat pada bulan Agustus. Perubahan temporal juga ditunjukkan oleh perubahan kadar klorofil. Kelimpahan Chlorophyta yang tinggi dijumpai pada kondisi pH yang lebih tinggi sedangkan Chrysophyta pada kondisi, suhu, konduktivitas, TN dan amonia yang lebih tinggi"

"Relates the physical and geometric elegance of geologic structures within the Earth's crust and the ways in which these structures reflect the nature and origin of crystal deformation through time. The main thrust is on applications in regional tectonics, exploration geology, active tectonics and geohydrology. Techniques, experiments, and calculations are described in detail, with the purpose of offering active participation and discovery through laboratory and field work."

"This comprehensive textbook presents an overview of petroleum geoscience for geologists active in the petroleum industry, while also offering a useful guide for students interested in environmental geology, engineering geology and other aspects of sedimentary geology. In this second edition, new chapters have been added and others expanded, covering geophysical methods in general and electromagnetic exploration methods in particular, as well as reservoir modeling and production, unconventional resources and practical petroleum exploration."

"This companion provides a collection of frequently needed numerical data as a convenient desk-top or pocket reference for atmospheric scientists as well as a concise source of information for others interested in this matter. The material contained in this book was extracted from the recent and the past scientific literature, it covers essentially all aspects of atmospheric chemistry. The data are presented primarily in the form of annotated tables while any explanatory text is kept to a minimum."

"The book provides an up-to-date, in-depth survey across the entire field of atmospheric science, including atmospheric dynamics, radiation, cloud physics, chemistry, climate, numerical simulation, remote sensing, instruments and measurements, as well as atmospheric acoustics.The authors have provided a readily comprehensible and self-contained presentation of the complex field of atmospheric science. The topics are of direct relevance for aerospace science and technology. Future research challenges are identified."

" This book provides a comprehensive introduction to the study of hydrogeology. It has been updated to reflect advances in the field since 2004 and presents a systematic approach to understanding groundwater. Topics include: fundamental physical and chemical principles of hydrogeology; groundwater investigation techniques in the context of catchment processes; groundwater quality and contaminant hydrogeology; applications of environmental isotopes and noble gases in the interpretation of aquifer evolution, and on regional characteristics in the explanation of geological processes affecting past, present and future groundwater flow regimes; groundwater resources and environmental management; the role of groundwater in integrated river basin management, including an assessment of possible adaptation responses to the impacts of climate change. --"

"Penelitian ini dilakukan untuk memberikan data penunjang dalam pembangunan jembatan mengenai persebaran litologi bawah permukaan, Jenis litologi yang berpotensi sebagai lapisan batuan keras (bedrock), dan kedalaman bedrock di Kecamatan Larantuka. Terdapat 7 lintasan pengukuran menggunakan alat geolistrik ARES multi channel. Metode resistivitas digunakan untuk identifikasi jenis litologi batuan. Pengambilan data bor pada lintasan A1 dilakukan untuk mengetahui jenis litologi batuan sekaligus memperoleh data Standard Penetration Test (SPT). Data bor pada lintasan A1 digunakan sebagai acuan interpretasi litologi batuan untuk semua lintasan. Adapun lapisan bawah permukaan yang teridentifikasi dari hasil pemboran, yaitu batuan lanau basah hingga lanau pasiran sebagai lapisan penutup, lanau pasiran kompak adalah lapisan dibawah lapisan penutup dengan kekerasannya berubah menjadi lebih kompak dan nilai SPT naik lebih dari 40, dan lapisan paling bawah adalah lempung pasiran dengan kondisi litologi menjadi lebih keras dan sangat kompak serta nilai SPT diatas 80. Pengolahan data pada penelitian ini dilakukan dengan metode inversi dua dimensi dan pemodelan tiga dimensi dengan data hasil gridding. Berdasarkan hasil pengolahan, Tanah keras atau bedrock pada lokasi penelitian adalah lempung pasiran karena memiliki susunan yang kompak, nilai SPT diatas 80, dan ketebalan yang cukup tebal berkisar ±20-30 meter merupakan lapisan ketiga atau paling bawah dari interpretasi penampang litologi dengan nilai resistivitas diatas 150 Ωm.

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This research was conducted to provide supporting data for the construction of bridges regarding the distribution of subsurface lithology, types of lithology that have the potential to act as hard rock layers (bedrock), and depth of bedrock in Larantuka. There are 7 measurement paths using the ARES multi-channel geoelectric. The resistivity method is used to identify rock lithology types based on resistivity values. Drill data collection on line A1 was carried out to determine the type of rock lithology as well as to obtain Standard Penetration Test (SPT). Drill data on line A1 is used as a reference for rock lithology interpretation for all line. The subsurface layer identified from the drilling results, namely wet silt rock to sandy silt as a cover layer, compact sandy silt is the layer below the cover layer with its hardness changing to become more compact and the SPT value rises to more than 40, and the bottom layer is sandy clay. with lithology conditions becoming harder and very compact and SPT values above 80. Data processing in this study was carried out using the two-dimensional inversion method and three-dimensional modeling with gridding data. Based on the processing results, the hard soil or bedrock at the study site is sandy clay because it has a compact structure, the SPT value is above 80, and the thickness is quite thick ranging from ±20 - 30 meters, which is the third layer or the lowest layer from the interpretation of the lithology cross-section with a resistivity value of above 150 Ωm."

"This one compendium is a valuable source of information on eddy covariance measurement that allows readers to make rational and relevant choices in positioning, dimensioning, installing and maintaining an eddy covariance site, collecting, treating, correcting and analyzing eddy covariance data, and scaling up eddy flux measurements to annual scale and evaluating their uncertainty."