[PDF] Top 20 Directory UMM :Data Elmu:jurnal:J-a:Journal Of Applied Geophysics:Vol45.Issue2.2000:

... edges of 2-D structures. These weaknesses can be easily overcome by a com- bined use of a cell-based inversion method and the block inversion ...give a rough idea of the bedrock ... Lihat dokumen lengkap

... uses a 2D model in which the subsurface consists of an arrangement of blocks forming a layered rectangular mesh in the vertical ...distribution of the blocks and their size so that the ... Lihat dokumen lengkap

... in a different polarization. The ability of the receive antenna to measure these scattered fields is determined not only by the power of the scattered fields, but also by the polarization match ... Lihat dokumen lengkap

... As a consequence of the addition of noise to the input data, the seismic migration algorithm does not correctly recover the original source ...spite of the noise, we can see that the ... Lihat dokumen lengkap

... terms of fre- quency content — for which the ground filter plays a very important role — but that they nevertheless can dramatically effect the SrN ratio, especially in consideration of the air ... Lihat dokumen lengkap

... continuity of clay ...migration of the contaminants is directly influenced by the per- meability anisotropy of the ...is a barrier is often dependent on the amount of clay particles in ... Lihat dokumen lengkap

... consists of a commercially available measurement instrument for geo- electrics, SYSCAL R2 of IRIS Instruments Ž 1993 , which is controlled fully by a computer ...range of the instru- ... Lihat dokumen lengkap

... thickness of the lower moderately resistive layer are poorly resolved and its inclusion in the interpreted model is only justified by the exis- tence of the independent seismic ...error of the final ... Lihat dokumen lengkap

... features of the data could be ex- plained by the 2D conductivity ...modeled data. Especially the steep abrupt change of data from station to station cannot be explained by this type ... Lihat dokumen lengkap

... overview of the current status of seismic monitoring instrumentation employed in Canadian underground ...monitoring of active fractures, delineating modes of failure with advancing excavation ... Lihat dokumen lengkap

... distribution of conductive zones associated with the biodegradation of LNAPL in the subsurface and provide a window into the biogeochemical pro- cesses ongoing at such ...tion of these ... Lihat dokumen lengkap

... improved data acquisition and interpreta- tion ...resolution of typical near-surface targets in model experiments as well as brought these popular methods within range of their theoretical resolving ... Lihat dokumen lengkap

... source of useful infor- ...nition of aquifer boundaries, correlation of hori- zons between well sites, and direct assessment of any variations in groundwater quality in an aquifer, they are ... Lihat dokumen lengkap

... in a wide variety of conditions, and the electromag- netic coupling effects are smaller than in sym- metrical ...tions of the eleven lines ...with a 5-m spacing, while the north- ern four ... Lihat dokumen lengkap

... elements of the finite element mesh are shown in ...giving a clear indication of an un- wanted hydraulic pathway through the upper clay ...lack of pixel response at between ...separation ... Lihat dokumen lengkap

... consistency of practical solutions to landfill problems. The nature of anthropogenic deposits and the spatial–temporal characteristics of leachates are reviewed in a geoelectrical ...processes ... Lihat dokumen lengkap

... amounts of rising hy- drocarbon vapors, stemming in part from the simple devolatilization of the original ...metabolization of the hydrocarbon product by microorganisms will also produce simpler ... Lihat dokumen lengkap

... tion of fluids in the subsurface be identified, located and characterized? A relatively inexpen- sive way to characterize a fractured reservoir remotely and on a much larger volume or scale is ... Lihat dokumen lengkap

... values of chemical oxygen demand COD and total organic carbon TOC ...consists of three sand aquifers with intervening semi-pervious clay ...presence of organic waste is another factor suggesting that ... Lihat dokumen lengkap

... characteristics of both modes contain diagnostic information on the subsur- face resistivity ...degree of reli- able information is examined by inverting each mode separately using first the VLF single fre- ... Lihat dokumen lengkap