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Book U S Geological Survey Water supply Paper

Download or read book U S Geological Survey Water supply Paper written by and published by . This book was released on 1982 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book U S Geological Survey Water supply Paper

Download or read book U S Geological Survey Water supply Paper written by and published by . This book was released on 1982 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Water resources Investigations Report

Download or read book Water resources Investigations Report written by and published by . This book was released on 1997 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Geology and hydrogeology of carbonate islands

Download or read book Geology and hydrogeology of carbonate islands written by Leonard H.L. Vacher and published by Elsevier. This book was released on 2004-04-13 with total page 967 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book on geology and hydrogeology of carbonate islands is volume 54 in the Developments in Sedimentology series.

Book U S Geological Survey Professional Paper

Download or read book U S Geological Survey Professional Paper written by and published by . This book was released on 1984 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book A Practical Guide to Borehole Geophysics in Environmental Investigations

Download or read book A Practical Guide to Borehole Geophysics in Environmental Investigations written by W. Scott Keys and published by Routledge. This book was released on 2017-12-06 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Borehole geophysics is frequently applied in hydrogeological environmental investigations where, for example, sites must be evaluated to determine the distribution of contaminants. It is a cost-effective method for obtaining information during several phases of such investigations. Written by one of world's leading experts in the field, A Practical Guide to Borehole Geophysics in Environmental Investigations explains the basic principles of the many tools and techniques used in borehole logging projects. Applications are presented in terms of broad project objectives, providing a hands-on guide to geophysical logging programs, including specific examples of how to obtain and interpret data that meet particular hydrogeologic objectives.

Book Analysis of Regional Aquifers in the Central Midwest of the United States in Kansas Nebraska and Parts of Arkansas Colorado Missouri New Mexico Oklahoma South Dakota Texas and Wyoming

Download or read book Analysis of Regional Aquifers in the Central Midwest of the United States in Kansas Nebraska and Parts of Arkansas Colorado Missouri New Mexico Oklahoma South Dakota Texas and Wyoming written by Donald G. Jorgensen and published by . This book was released on 1996 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book New Publications of the Geological Survey

Download or read book New Publications of the Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1989 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Techniques of Water resources Investigations of the United States Geological Survey

Download or read book Techniques of Water resources Investigations of the United States Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1971 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Borehole Geophysics Applied to Ground water Investigations

Download or read book Borehole Geophysics Applied to Ground water Investigations written by W. S. Keys and published by . This book was released on 1990 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Computation of Porosity and Water Content from Geophysical Logs Yucca Mountain Nevada

Download or read book Computation of Porosity and Water Content from Geophysical Logs Yucca Mountain Nevada written by and published by . This book was released on 1996 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neutron and density logs acquired in boreholes at Yucca Mountain, Nevada are used to determine porosity and water content as a function of depth. Computation of porosity requires an estimate of grain density, which is provided by core data, mineralogical data, or is inferred from rock type where neither core nor mineralogy are available. The porosity estimate is merged with mineralogical data acquired by X-ray diffraction to compute the volumetric fractions of major mineral groups. The resulting depth-based portrayal of bulk rock composition is equivalent to a whole rock analysis of mineralogy and porosity. Water content is computed from epithermal and thermal neutron logs. In the unsaturated zone, the density log is required along with a neutron log. Water content can also be computed from dielectric logs, which were acquired in only a fraction of the boreholes, whereas neutron logs were acquired in all boreholes. Mineralogical data are used to compute a structural (or bound) water estimate, which is subtracted from the total water estimate from the neutron-density combination. Structural water can be subtracted only from intervals where mineralogical analyses are available; otherwise only total water can be reported. The algorithms and procedures are applied to logs acquired during 1979 to 1984 at Yucca Mountain. Examples illustrate the results. Comparison between computed porosity and core measurements shows systematic differences ranging from 0.005 to 0.04. These values are consistent with a sensitivity analysis using uncertainty parameters for good logging conditions. Water content from core measurements is available in only one borehole, yielding a difference between computed and core-based water content of 0.006.