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Author : Diminic M. Di Toro
Publisher :
ISBN 13 :
Total Pages : 356 pages
Book Rating : 4.:/5 (359 download)
Download or read book Chesapeake Bay Sediment Flux Model written by Diminic M. Di Toro and published by . This book was released on 1993 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dominic M. DiToro
Publisher : John Wiley & Sons
ISBN 13 : 0471135356
Total Pages : 657 pages
Book Rating : 4.4/5 (711 download)
Download or read book Sediment Flux Modeling written by Dominic M. DiToro and published by John Wiley & Sons. This book was released on 2001-01-16 with total page 657 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents mathematical models for estimating and predicting sediment fluxes. * Models provide sufficient detail and data to enable scientists in the field to reproduce the computations and use the models for understanding their own data. * Provides computations directly applicable to developing modern water quality models. * All models have been calibrated and verified using three large data sets.
Author : A. Parker
Publisher : Springer Science & Business Media
ISBN 13 : 9400972598
Total Pages : 431 pages
Book Rating : 4.4/5 (9 download)
Download or read book Sediment Diagenesis written by A. Parker and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: The topic of sediment diagenesis is of fundamental importance to industry in the evaluation of hydrocarbon and water reservoir rocks. Detailed knowledge of the diagenetic textures, fabrics, and minerals, and a prediction of the regional diagenetic response, partly controls hydrocarbon recovery programmes. In other words, knowledge of the diagenesis can aid (or even control) conservation policy. Similarly, facies and diagenetic trends w.ithin basins can influence exploration policy. This volume incorporates the majority of the principal contributions given to the NATO Advanced Study Institute held in the University of Reading, U.K., from July 12th-25th, 1981, at which the major themes of carbonate and terrigenous clastic sediments were treated sequentially from deposition to deep burial. Eighty selected scientists from twelve NATO and three other countries participated in the Institute. The keynote addresses which acted as the touchstones for discussion are presented here in the expectation that they will stimulate a still wider audience. We gratefully acknowledge the award of a grant from the Scientific Affairs Division of NATO to run the Institute, and also the cooperation of the University of Reading. Mrs. D. M. Powell helped in many ways with the organisation, and also retyped the entire manuscript of this book. A. Parker B. lv. Sellwood vii FACIES, SEQUENCES AND SAND-BODIES OF THE PRINCIPAL CLASTIC DEPOSITIONAL ENVIRONMENTS T.Elliott Department of Geology University College of Swansea Singleton Park, Swansea SA 2 8PP Wales, U.K.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309210828
Total Pages : 258 pages
Book Rating : 4.3/5 (92 download)
Download or read book Achieving Nutrient and Sediment Reduction Goals in the Chesapeake Bay written by National Research Council and published by National Academies Press. This book was released on 2011-09-26 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Chesapeake Bay is North America's largest and most biologically diverse estuary, as well as an important commercial and recreational resource. However, excessive amounts of nitrogen, phosphorus, and sediment from human activities and land development have disrupted the ecosystem, causing harmful algae blooms, degraded habitats, and diminished populations of many species of fish and shellfish. In 1983, the Chesapeake Bay Program (CBP) was established, based on a cooperative partnership among the U.S. Environmental Protection Agency (EPA), the state of Maryland, and the commonwealths of Pennsylvania and Virginia, and the District of Columbia, to address the extent, complexity, and sources of pollutants entering the Bay. In 2008, the CBP launched a series of initiatives to increase the transparency of the program and heighten its accountability and in 2009 an executive order injected new energy into the restoration. In addition, as part of the effect to improve the pace of progress and increase accountability in the Bay restoration, a two-year milestone strategy was introduced aimed at reducing overall pollution in the Bay by focusing on incremental, short-term commitments from each of the Bay jurisdictions. The National Research Council (NRC) established the Committee on the Evaluation of Chesapeake Bay Program Implementation for Nutrient Reduction in Improve Water Quality in 2009 in response to a request from the EPA. The committee was charged to assess the framework used by the states and the CBP for tracking nutrient and sediment control practices that are implemented in the Chesapeake Bay watershed and to evaluate the two-year milestone strategy. The committee was also to assess existing adaptive management strategies and to recommend improvements that could help CBP to meet its nutrient and sediment reduction goals. The committee did not attempt to identify every possible strategy that could be implemented but instead focused on approaches that are not being implemented to their full potential or that may have substantial, unrealized potential in the Bay watershed. Because many of these strategies have policy or societal implications that could not be fully evaluated by the committee, the strategies are not prioritized but are offered to encourage further consideration and exploration among the CBP partners and stakeholders.
Author : Douglas L. Moyer
Publisher : CreateSpace
ISBN 13 : 9781500375607
Total Pages : 128 pages
Book Rating : 4.3/5 (756 download)
Download or read book Comparison of Two Regression-Based Approaches for Determining Nutrient and Sediment Fluxes and Trends in the Chesapeake Bay Watershed written by Douglas L. Moyer and published by CreateSpace. This book was released on 2014-06-30 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nutrient and sediment fluxes and changes in fluxes over time are key indicators that water resource managers can use to assess the progress being made in improving the structure and function of the Chesapeake Bay ecosystem. The U.S. Geological Survey collects annual nutrient (nitrogen and phosphorus) and sediment flux data and computes trends that describe the extent to which water-quality conditions are changing within the major Chesapeake Bay tributaries. Two regression-based approaches were compared for estimating annual nutrient and sediment fluxes and for characterizing how these annual fluxes are changing over time.
Author :
Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.:/5 (319 download)
Download or read book Sediment-water Fluxes and Sediment Analyses in Chesapeake Bay written by and published by . This book was released on 1996 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William G. Reay
Publisher :
ISBN 13 :
Total Pages : 246 pages
Book Rating : 4.3/5 (5 download)
Download or read book Sediment-water Column Nutrient Exchanges in Southern Chesapeake Bay Nearshore Environments written by William G. Reay and published by . This book was released on 1993 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nitin Bedi
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (325 download)
Download or read book Flow and Sediment Transport Modeling for the Chesapeake Bay written by Nitin Bedi and published by . This book was released on 2005 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Carl F. Cerco
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (359 download)
Download or read book Workplan for Tributary Refinements to Chesapeake Bay Eutrophication Model Package written by Carl F. Cerco and published by . This book was released on 1994 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Corps of Engineers, in partnership with the U.S. Environmental Protection Agency Chesapeake Bay Program Office, recently completed a three- dimensional model study of eutrophication in Chesapeake Bay and tributaries. The model package applied included an intratidal hydrodynamic model, an intertidal water-quality model, and a benthic sediment diagenesis model. This report comprises a workplan to improve model representation of Chesapeake Bay tributaries and to incorporate living resources directly into the model framework. Four tributaries have been selected for emphasis under this tributary refinements program. They are the James, York, and Rappahannock rivers, and Baltimore Harbor. The James, York, and Rappahannock were specified because tributary-specific models are required to address water-quality and living- resource benefits to be derived from nutrient reductions. Baltimore Harbor was specified because it presents unique management problems, coupled with long-term toxic impacts, which cannot be addressed in the current model framework. The time scale for the project is 4 years from initiation to completion. Anticipated commencement is April 1, 1994.
Author :
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.0/5 ( download)
Download or read book Technical Analysis of Response of Chesapeake Bay Water Quality Model to Loading Scenarios written by and published by . This book was released on 1994 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.3/5 (121 download)
Download or read book HEC-6 written by and published by . This book was released on 1995 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Douglas L. Moyer
Publisher :
ISBN 13 : 9781411335257
Total Pages : 118 pages
Book Rating : 4.3/5 (352 download)
Download or read book Comparison of Two Regression-based Approaches for Determining Nutrient and Sediment Fluxes and Trends in the Chesapeake Bay Watershed written by Douglas L. Moyer and published by . This book was released on 2013 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Lowell High School Orchestra Collection written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Collection contains photography, program and publicity files.
Author :
Publisher :
ISBN 13 :
Total Pages : 668 pages
Book Rating : 4.:/5 (318 download)
Download or read book Chesapeake Bay Program Technical Studies written by and published by . This book was released on 1982 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 641 pages
Book Rating : 4.:/5 (967 download)
Download or read book Chesapeake Bay Watershed Model Application and Calculation of Nutrient and Sediment Loadings written by and published by . This book was released on 1998 with total page 641 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Scott W. Ator
Publisher : Geological Survey (USGS)
ISBN 13 : 9781411332621
Total Pages : 27 pages
Book Rating : 4.3/5 (326 download)
Download or read book Sources, Fate, and Transport of Nitrogen and Phosphorus in the Chesapeake Bay Watershed written by Scott W. Ator and published by Geological Survey (USGS). This book was released on 2011 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spatially Referenced Regression on Watershed Attributes (SPARROW) was used to provide empirical estimates of the sources, fate, and transport of total nitrogen (TN) and total phosphorus (TP) in the Chesapeake Bay watershed, and the mean annual TN and TP flux to the bay and in each of 80,579 nontidal tributary stream reaches. Restoration efforts in recent decades have been insufficient to meet established standards for water quality and ecological conditions in Chesapeake Bay. The bay watershed includes 166,000 square kilometers of mixed land uses, multiple nutrient sources, and variable hydrogeologic, soil, and weather conditions, and bay restoration is complicated by the multitude of nutrient sources and complex interacting factors affecting the occurrence, fate, and transport of nitrogen and phosphorus from source areas to streams and the estuary. Effective and efficient nutrient management at the regional scale in support of Chesapeake Bay restoration requires a comprehensive understanding of the sources, fate, and transport of nitrogen and phosphorus in the watershed, which is only available through regional models. The current models, Chesapeake Bay nutrient SPARROW models, version 4 (CBTN_v4 and CBTP_v4), were constructed at a finer spatial resolution than previous SPARROW models for the Chesapeake Bay watershed (versions 1, 2, and 3), and include an updated timeframe and modified sources and other explantory terms.
Author : J. Wright Horton
Publisher :
ISBN 13 :
Total Pages : 478 pages
Book Rating : 4.F/5 ( download)
Download or read book Studies of the Chesapeake Bay Impact Structure written by J. Wright Horton and published by . This book was released on 2005 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
