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Browsing by Title
Now showing items 19459-19478 of 42285
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(2006)In this paper, the potential for identifying discharge and/or flood hydrograph from remotely sensed data is explored. The parameter identification process is based on the minimization of the difference between the solution ...
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(1988)This article shows Raman spectra of water in the liquid (a) and solid (b) states. There are considerable differences between these spectra. We have made a detailed study of the alteration of the spectra when water crystallizes, ...
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(2002)A passive sampling system for use with rhodamine WT (RWT) in groundwater tracing experiments was developed to assist in the characterisation of groundwater flow paths. Amberlite XAD-7 resin was found to be suitable for ...
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(1987)The possibility of using seismoacoustic data to study the postsedimentational alteration of marine sediments is of interest both in the theory of lithogenesis and in practical problems associated with efficient utilization ...
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(1997)A nuclear microbeam technique called elastic recoil detection analysis (ERDA) or forward recoil spectroscopy which is capable of yielding bulk H in silicates at ppm sensitivities is described. This technique is nondestructive ...
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(2002)A new method has been developed to orient 50-100 μm size single crystals to obtain XANES or EXAFS spectra along any crystallographic orientation relative to a polarized synchrotron X-ray beam. The method uses a modified ...
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(1989)In order to understand the role of volatiles in the phase transition from crystal to melt, it is very important to know not only the total concentration of fluid in the system, but also its distribution. The authors performed ...
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(PANGAEA, 2013-04-26)High-latitude ecosystems play an important role in the global carbon cycle and in regulating the climate system and are presently undergoing rapid environmental change. Accurate land cover data sets are required to both ...
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(2006)A new methodology for magnetic resonance sounding (MRS) data acquisition and interpretation was developed for locating water-filled karst cavities. This methodology was used to investigate the Ouysse karst system in the ...
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(2003)A new approach to estimating of shear-wave attenuation is proposed. The method is based on an assumption that an anisotropic attenuating geological medium possesses gyrotropic properties. Doing so allows to obtain attenuation ...
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(2006)The size, paragenetic setting, distribution, and composition of apatite grains in 16 thin sections from one sample of an olivine gabbro from the Stillwater Complex, Montana were documented to determine whether they grew ...
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(2004)When the parameters of a numerical model are adjusted, so that the predictions of the model match measurements from the real system, we need to take account of two sources of errors. These being measurement errors and ...
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(2004)Modifications to commercial finite element (FE) packages must be applied before they can be used for geophysical studies involving long wavelength deformation or viscoelasticity. This paper provides in detail how and why ...
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(2003)Banded iron formations are prominent sedimentary deposits of the Precambrian, yet the source of their silica remains unresolved. Here we show that Ge/Si ratios preserved in banded iron formation chert layers are indicative ...
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(2002)Accurate estimation of groundwater recharge is extremely important for proper management of groundwater systems. Many different approaches exist for estimating recharge. This paper presents a review of methods that are ...
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(2006)The development of improved techniques for the in situ analysis of U-Pb, Lu-Hf and O isotopes and of trace element contents has revolutionized approaches to modeling the origins and evolution of the continental crust, and ...
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(2001)In this study we used the Kozeny-Carman (K-C) equation as a semi-physical model for estimating the soil permeability using data derived from microscope observations. Specific surface areas and porosities were obtained from ...
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(2006)We present a new approach, based on neural networks, to predict the thermal conductivity of sedimentary rocks from a set of geophysical well logs. This method is calibrated on Ocean Drilling Program (ODP) data, which provide ...
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(2003)Conventional experiments designed to investigate the mechanical properties of polycrystalline geological materials are generally restricted to measurements of whole-rock properties. However, when comparing the measurements ...
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(2003)Mountain-front recharge is a major component of recharge to inter-mountain basin-fill aquifers. The two components of mountain-front recharge are (1) subsurface inflow from the mountain block (subsurface inflow), and (2) ...
Now showing items 19459-19478 of 42285