Download or read book Documentation of a Groundwater Flow Model SJRRPGW for the San Joaquin River Restoration Program Study Area California written by and published by . This book was released on 2014 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: To better understand the potential effects of restoration flows on existing drainage problems, anticipated as a result of the San Joaquin River Restoration Program (SJRRP), the U.S. Geological Survey (USGS), in cooperation with the U.S. Bureau of Reclamation (Reclamation), developed a groundwater flow model (SJRRPGW) of the SJRRP study area that is within 5 miles of the San Joaquin River and adjacent bypass system from Friant Dam to the Merced River. The primary goal of the SJRRP is to reestablish the natural ecology of the river to a degree that restores salmon and other fish populations. Increased flows in the river, particularly during the spring salmon run, are a key component of the restoration effort. A potential consequence of these increased river flows is the exacerbation of existing irrigation drainage problems along a section of the river between Mendota and the confluence with the Merced River. Historically, this reach typically was underlain by a water table within 10 feet of the land surface, thus requiring careful irrigation management and (or) artificial drainage to maintain crop health. The SJRRPGW is designed to meet the short-term needs of the SJRRP; future versions of the model may incorporate potential enhancements, several of which are identified in this report. The SJRRPGW was constructed using the USGS groundwater flow model MODFLOW and was built on the framework of the USGS Central Valley Hydrologic Model (CVHM) within which the SJRRPGW model domain is embedded. The Farm Process (FMP2) was used to simulate the supply and demand components of irrigated agriculture. The Streamflow-Routing Package (SFR2) was used to simulate the streams and bypasses and their interaction with the aquifer system. The 1,300-square mile study area was subdivided into 0.25-mile by 0.25-mile cells. The sediment texture of the aquifer system, which was used to distribute hydraulic properties by model cell, was refined from that used in the CVHM to better represent the natural heterogeneity of aquifer-system materials within the model domain. In addition, the stream properties were updated from the CVHM to better simulate stream-aquifer interactions, and water-budget subregions were refined to better simulate agricultural water supply and demand. External boundary conditions were derived from the CVHM. The SJRRPGW was calibrated for April 1961 to September 2003 by using groundwater-level observations from 133 wells and streamflow observations from 19 streamgages. The model was calibrated using public-domain parameter estimation software (PEST) in a semi-automated manner. The simulated groundwater-level elevations and trends (including seasonal fluctuations) and surface-water flow magnitudes and trends reasonably matched observed data. The calibrated model is planned to be used to assess the potential effects of restoration flows on agricultural lands and the relative capabilities of proposed SJRRP actions to reduce these effects.
Download or read book San Joaquin Valley Drainage Program written by San Joaquin Valley Drainage Program and published by . This book was released on 1990 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book San Joaquin River Restoration Program written by Jared Vauk and published by . This book was released on 2010 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book San Joaquin Valley Drainage Program written by San Joaquin Valley Drainage Program and published by . This book was released on 1987 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book San Joaquin River Restoration Program written by Jared Vauk and published by . This book was released on 2011 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ground water Flow and Solute Movement to Drain Laterals Western San Joaquin Valley California written by S. J. Deverel and published by . This book was released on 1990 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Documentation of Model Input and Output Values for the Geohydrology and Ground water flow Simulation of the Surprise Spring Basin Aquifer System San Bernardino County California written by Hugh T. Mitten and published by . This book was released on 1991 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hydrogeologic Characterization and Groundwater Flow Model Analyses in Modesto California written by Barbara Anne Dalgish and published by . This book was released on 2006 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ground water Flow and Solute Movement to Drain Laterals Western San Joaquin Valley California written by John L. Fio and published by . This book was released on 1990 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Finding of No New Siginificant Impact written by and published by . This book was released on 2011 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Hydrologic economic Model of the San Joaquin Valley written by and published by . This book was released on 1982 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book U S Geological Survey Studies Related to Agricultural Drainage in the San Joaquin Valley written by and published by . This book was released on 1988 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Documentation of a Computer Program Streamlink to Represent Direct flow Connections in a Coupled Ground water and Surface water Model written by Eric D. Swain and published by . This book was released on 1993 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Guidelines for Evaluating Ground water Flow Models written by Thomas E. Reilly and published by DIANE Publishing. This book was released on 2004 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Directions and Rates of Ground water Movement in the Vicinity of Kesterson Reservoir San Joaquin Valley California written by Richard J. Mandle and published by . This book was released on 1986 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Character and Evolution of the Ground Water Flow System in the Central Part of the Western San Joaquin Valley California Classic Reprint written by Kenneth Belitz and published by Forgotten Books. This book was released on 2018-12-06 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Character and Evolution of the Ground-Water Flow System in the Central Part of the Western San Joaquin Valley, California Most recently, Williamson Diamond and Williamson and Williamson and others (1985) conducted a comprehensive investigation of the flow system for the entire Central Valley. That study, which was part of the Regional Aquifer System Analysis (rasa) program of the o.s. Geological Survey, provides an assessment of the flow system in the Central Valley under natural conditions and for 1961 - 77. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Download or read book Regional scale Hydrologic Modeling of Subsurface Water Flow and Reactive Salt Transport in the Western San Joaquin Valley California written by Gerrit Schoups and published by . This book was released on 2004 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
