Download Full eBooks in PDF
Simulated Ground Water Flow For A Pond Dominated Aquifer System Near Great Sandy Bottom Pond Pembroke Massachusetts Book in PDF, ePub and Kindle version is available to download in english. Read online anytime anywhere directly from your device. Click on the download button below to get a free pdf file of Simulated Ground Water Flow For A Pond Dominated Aquifer System Near Great Sandy Bottom Pond Pembroke Massachusetts book. This book definitely worth reading, it is an incredibly well-written.
Author : Carl S. Carlson,Forest P. Lyford
Publisher : Unknown
Page : 56 pages
File Size : 44,8 Mb
Release : 2005
Category : Government publications
ISBN : MINN:31951D02402973A
Author : Carl S. Carlson,Forest P. Lyford
Publisher : Unknown
Page : 56 pages
File Size : 50,7 Mb
Release : 2005
Category : Government publications
ISBN : UCR:31210019500949
Author : Carl S. Carlson,Forest P. Lyford
Publisher : Unknown
Page : 0 pages
File Size : 45,8 Mb
Release : 2005
Category : Groundwater flow
ISBN : OCLC:58553210
Author : John Grant Elliott,Steven P. Anders
Publisher : Unknown
Page : 244 pages
File Size : 46,9 Mb
Release : 2004
Category : Sediment transport
ISBN : STANFORD:36105050381206
Author : Donald A. Walter,John P. Masterson,Denis R. LeBlanc
Publisher : Unknown
Page : 56 pages
File Size : 47,9 Mb
Release : 2002
Category : Groundwater
ISBN : UOM:39015052301366
...Discusses the pond-bottom hydraulic conductivity of the Snake Pond, a body of water next to the Massachusetts Military Reservation on Cape Cod; data from this study should prove helpful in dealing with nearby pollution...
Author : Paul M. Barlow,Kathryn M. Hess
Publisher : Unknown
Page : 60 pages
File Size : 46,8 Mb
Release : 1993
Category : Groundwater flow
ISBN : UCR:31210018634061
... The purposes of this report are to describe (1) the hydrologic characteristics of the Quashnet River stream aquifer system and (2) the responses of the system to proposed ground water withdrawals simulated by use of a numerical model of ground water flow; these reponses to pumping are assessed in terms of drawdowns in the altitude of the water table, streamflow depletions, and sources of water to the river and the simulated supply well; in this report, the Quashnet river stream aquifer system is defined as that area extending approximately from the Mashpee River on the east to the Coonamessett River on the west and from Nantucket Sound to approximately 1 mile north of Johns Pond; this report is based on ground and surface water data collected during the study and compiled from engineers' reports and USGS ground and surface water data bases; physical characteristics of the Quashnet and Childs Rivers (streamflow, stream velocity, width and depth), surface altitude of Johns Pond, and hydraulic heads within the basin were measured from January 1990 through September 1991 ...
Author : John P. Masterson
Publisher : DIANE Publishing
Page : 78 pages
File Size : 42,9 Mb
Release : 2004
Category : Groundwater flow
ISBN : 9781428984622
Author : Donald A. Walter,Ann T. Whealan
Publisher : Unknown
Page : 96 pages
File Size : 53,9 Mb
Release : 2005
Category : Government publications
ISBN : UCR:31210019473832
Author : Thomas E. Reilly
Publisher : Unknown
Page : 40 pages
File Size : 53,8 Mb
Release : 2001
Category : Groundwater
ISBN : STANFORD:36105118356653
Author : S. A. Leake,Devin L. Galloway
Publisher : Unknown
Page : 52 pages
File Size : 53,5 Mb
Release : 2007
Category : Aquifers
ISBN : UCR:31210024784728
A new computer program was developed to simulate vertical compaction in models of regional ground-water flow. The program simulates ground-water storage changes and compaction in discontinuous interbeds or in extensive confining units, accounting for stress-dependent changes in storage properties. The new program is a package for MODFLOW, the U.S. Geological Survey modular finite-difference ground-water flow model. Several features of the program make it useful for application in shallow, unconfined flow systems. Geostatic stress can be treated as a function of water-table elevation, and compaction is a function of computed changes in effective stress at the bottom of a model layer. Thickness of compressible sediments in an unconfined model layer can vary in proportion to saturated thickness.
Author : Thomas E. Reilly,Arlen W. Harbaugh
Publisher : DIANE Publishing
Page : 40 pages
File Size : 52,6 Mb
Release : 2004
Category : Groundwater flow
ISBN : MINN:31951D02406274G
Author : Anonim
Publisher : DIANE Publishing
Page : 52 pages
File Size : 48,7 Mb
Release : 2004
Category : Government publications
ISBN : UCR:31210019223450
Author : S. A. Leake,David E. Prudic
Publisher : Unknown
Page : 68 pages
File Size : 52,7 Mb
Release : 1991
Category : Aquifers
ISBN : LCCN:90021886
Author : Anonim
Publisher : Unknown
Page : 128 pages
File Size : 47,5 Mb
Release : 2003
Category : Groundwater flow
ISBN : OCLC:53163800
Author : Marshall W. Gannett,Brian J. Wagner,Kenneth E. Lite
Publisher : Unknown
Page : 91 pages
File Size : 43,9 Mb
Release : 2012
Category : Groundwater
ISBN : OCLC:903610090
The upper Klamath Basin encompasses about 8,000 square miles, extending from the Cascade Range east to the Basin and Range geologic province in south-central Oregon and northern California. The geography of the basin is dominated by forested volcanic uplands separated by broad interior basins. Most of the interior basins once held broad shallow lakes and extensive wetlands, but most of these areas have been drained or otherwise modified and are now cultivated. Major parts of the interior basins are managed as wildlife refuges, primarily for migratory waterfowl. The permeable volcanic bedrock of the upper Klamath Basin hosts a substantial regional groundwater system that provides much of the flow to major streams and lakes that, in turn, provide water for wildlife habitat and are the principal source of irrigation water for the basin's agricultural economy. Increased allocation of surface water for endangered species in the past decade has resulted in increased groundwater pumping and growing interest in the use of groundwater for irrigation. The potential effects of increased groundwater pumping on groundwater levels and discharge to springs and streams has caused concern among groundwater users, wildlife and Tribal interests, and State and Federal resource managers. To provide information on the potential impacts of increased groundwater development and to aid in the development of a groundwater management strategy, the U.S. Geological Survey, in collaboration with the Oregon Water Resources Department and the Bureau of Reclamation, has developed a groundwater model that can simulate the response of the hydrologic system to these new stresses. The groundwater model was developed using the U.S. Geological Survey MODFLOW finite-difference modeling code and calibrated using inverse methods to transient conditions from 1989 through 2004 with quarterly stress periods. Groundwater recharge and agricultural and municipal pumping are specified for each stress period. All major streams and most major tributaries for which a substantial part of the flow comes from groundwater discharge are included in the model. Groundwater discharge to agricultural drains, evapotranspiration from aquifers in areas of shallow groundwater, and groundwater flow to and from adjacent basins also are simulated in key areas. The model has the capability to calculate the effects of pumping and other external stresses on groundwater levels, discharge to streams, and other boundary fluxes, such as discharge to drains. Historical data indicate that the groundwater system in the upper Klamath Basin fluctuates in response to decadal climate cycles, with groundwater levels and spring flows rising and declining in response to wet and dry periods. Data also show that groundwater levels fluctuate seasonally and interannually in response to groundwater pumping. The most prominent response is to the marked increase in groundwater pumping starting in 2001. The calibrated model is able to simulate observed decadal-scale climate-driven fluctuations in the groundwater system as well as observed shorter-term pumping-related fluctuations. Example model simulations show that the timing and location of the effects of groundwater pumping vary markedly depending on the pumping location. Pumping from wells close (within a few miles) to groundwater discharge features, such as springs, drains, and certain streams, can affect those features within weeks or months of the onset of pumping, and the impacts can be essentially fully manifested in several years. Simulations indicate that seasonal variations in pumping rates are buffered by the groundwater system, and peak impacts are closer to mean annual pumping rates than to instantaneous rates. Thus, pumping effects are, to a large degree, spread out over the entire year. When pumping locations are distant (more than several miles) from discharge features, the effects take many years or decades to fully impact those features, and much of the pumped water comes from groundwater storage over a broad geographic area even after two decades. Moreover, because the effects are spread out over a broad area, the impacts to individual features are much smaller than in the case of nearby pumping. Simulations show that the discharge features most affected by pumping in the area of the Bureau of Reclamation's Klamath Irrigation Project are agricultural drains, and impacts to other surface-water features are small in comparison. A groundwater management model was developed that uses techniques of constrained optimization along with the groundwater flow model to identify the optimal strategy to meet water user needs while not violating defined constraints on impacts to groundwater levels and streamflows. The coupled groundwater simulation-optimization models were formulated to help identify strategies to meet water demand in the upper Klamath Basin. The models maximize groundwater pumping while simultaneously keeping the detrimental impacts of pumping on groundwater levels and groundwater discharge within prescribed limits. Total groundwater withdrawals were calculated under alternative constraints for drawdown, reductions in groundwater discharge to surface water, and water demand to understand the potential benefits and limitations for groundwater development in the upper Klamath Basin. The simulation-optimization model for the upper Klamath Basin provides an improved understanding of how the groundwater and surface-water system responds to sustained groundwater pumping within the Bureau of Reclamation's Klamath Project. Optimization model results demonstrate that a certain amount of supplemental groundwater pumping can occur without exceeding defined limits on drawdown and stream capture. The results of the different applications of the model demonstrate the importance of identifying constraint limits in order to better define the amount and distribution of groundwater withdrawal that is sustainable.
