Download or read book Modeling Nitrate Transport in Spanish Springs Valley Washoe County Nevada written by Anna Makowski and published by . This book was released on 2006 with total page 81 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Understanding Nitrate Accumulation in the Shallow Vadose Zone of Spanish Springs Valley Nevada written by Ronald Tyler Parratt and published by . This book was released on 2010 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent studies indicate that elevated nitrate accumulation has been occurring within the arid southwest, and this research focuses on investigating the occurrence of elevated soil nitrate in the mesic regions of northern Nevada, possible mechanics of nitrate accumulation and finally, remediation potential. Soil profiles in the Spanish Springs Valley, Nevada have indicated high concentration of nitrate 2-3 meters below the soil surface. The main vegetation of the area is sagebrush (Artemesia tridentata) and rabbitbrush (Chrysothamnus nauseosus) with groundwater depths varying from very deep (~ 28-30 m) to very shallow (~3 m). This research investigated the interaction of vegetative nitrate uptake, soil organic carbon, soil nitrate, and root growth with the elevated soil nitrate at these locations, as well as a possible nitrate accumulation mitigation technique, and the modeling of nitrate migration and microbial uptake within these locations. Soil and vegetative samples were collected from 4 different locations (three sites with deep groundwater and one with shallow groundwater), and previous data collected from monitor well installations were examined and analyzed. Laboratory experiments involving the migration and uptake of nitrate within carbon-augmented soil columns were conducted, and the modeling of these processes using Hydrus 1D was completed. The analyses indicate that the higher C:N in conjunction with shallow groundwater supports a higher root density with greater denitrification potential, precise irrigation of soil containing elevated nitrate layers can mitigate the transport of nitrate through microbial uptake, and Hydrus 1D modeling can, with accurate soil hydraulic properties, model the migration and uptake of nitrate within the soil columns. Also indicated from this research is the absence of distinction between sites in relation to the sagebrush (Artemesia tridentata) and rabbitbrush (Chrysothamnus nauseosus) plant leaf nitrate concentrations, as well as the capacity for microbial uptake from un-augmented soil. Conclusions indicate that nitrate levels in soil are directly influenced by groundwater levels which also appear to directly influence the C:N in the soil and the potential denitrification, and that soil within the Spanish springs Valley area contains sufficient carbon to promote the microbial uptake of almost half the nitrate contained within these elevated nitrate horizons when leaching may be initiated.

Download or read book The Distribution and Modeling of Nitrate Transport in the Carson Valley Alluvial Aquifer Douglas County Nevada written by Ramon C. Naranjo and published by . This book was released on 2013 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A Solute Transport Model of Nitrate Occurrence in Washoe Valley Nevada written by W. Alan McKay and published by . This book was released on 1999 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Modeling Nitrate Transport in Deep Unsaturated Alluvial Sediments and Assessing Impact of Agricultural Management Practices on Groundwater Quality written by Yuksel Sevim Onsoy and published by . This book was released on 2005 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Water resources Investigations Report written by and published by . This book was released on 2000 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Distribution and Transport of Nitrate in an Unconfined Alluvial Aquifer Carson Valley Douglas County Nevada 2009 written by Joel Jacobson and published by . This book was released on 2010 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Quantity and Chemical Quality of Recharge and Updated Water Budgets for the Basin fill Aquifer in Eagle Valley Western Nevada written by Douglas K. Maurer and published by . This book was released on 2000 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Groundwater Recharge in a Desert Environment written by James F. Hogan and published by American Geophysical Union. This book was released on 2004-01-09 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Water Science and Application Series, Volume 9. Groundwater recharge, the flux of water across the water table, is arguably the most difficult component of the hydrologic cycle to measure. In arid and semiarid regions the problem is exacerbated by extremely small recharge fluxes that are highly variable in space and time. --from the Preface Groundwater Recharge in a Desert Environment: The Southwestern United States speaks to these issues by presenting new interpretations and research after more than two decades of discipline-wide study. Discussions ondeveloping environmental tracers to fingerprint sources and amounts of groundwater at the basin scalethe critical role of vegetation in hydroecological processesnew geophysical methods in quantifying channel rechargeapplying Geographical Information System (GIS) models to land surface processescoupling process-based vadose zone to groundwater modeling, and more make this book a significant resource for hydmlogists, biogeoscientists, and geochemists concerned with water and water-related issues in arid and semiarid regions.

Download or read book Ground water Resources of Honey Lake Valley Lassen County California and Washoe County Nevada written by Elinor H. Handman and published by . This book was released on 1990 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Onsite Wastewater Treatment Systems Manual written by and published by . This book was released on 2002 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This manual contains overview information on treatment technologies, installation practices, and past performance."--Introduction.

Download or read book Study and Interpretation of the Chemical Characteristics of Natural Water 2nd Ed written by Geological Survey (U.S.) and published by . This book was released on 1961 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Landslides Analysis and Control written by National Research Council (U.S.). Transportation Research Board and published by . This book was released on 1978 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume brings together, from a wide range of experience, such information as may be useful in recognizing, avoiding, controlling, designing for, and correcting movement. Current geologic concepts and engineering principles and techniques are introduced, and both the analysis and control of soil and rock-slopes are addressed. New methods of stability analysis and the use of computer techniques in implementing these methods are included. Rock slope engineering and the selecting of shear-strength parameters for slope-stability analyses are covered in separate chapters.

Download or read book Publications of the Geological Survey written by Geological Survey (U.S.) and published by . This book was released on 1998 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book A History of Smoky Valley Nevada written by Robert D. McCracken and published by . This book was released on 1997 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Truckee Carson Pyramid Lake Water Rights Settlement Act written by United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Water and Power and published by . This book was released on 1990 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Omnivore s Dilemma written by Michael Pollan and published by Penguin. This book was released on 2007-08-28 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Outstanding . . . a wide-ranging invitation to think through the moral ramifications of our eating habits." —The New Yorker One of the New York Times Book Review's Ten Best Books of the Year and Winner of the James Beard Award Author of This is Your Mind on Plants, How to Change Your Mind and the #1 New York Times Bestseller In Defense of Food and Food Rules What should we have for dinner? Ten years ago, Michael Pollan confronted us with this seemingly simple question and, with The Omnivore’s Dilemma, his brilliant and eye-opening exploration of our food choices, demonstrated that how we answer it today may determine not only our health but our survival as a species. In the years since, Pollan’s revolutionary examination has changed the way Americans think about food. Bringing wide attention to the little-known but vitally important dimensions of food and agriculture in America, Pollan launched a national conversation about what we eat and the profound consequences that even the simplest everyday food choices have on both ourselves and the natural world. Ten years later, The Omnivore’s Dilemma continues to transform the way Americans think about the politics, perils, and pleasures of eating.