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Author : Anonim
Publisher : Unknown
Page : 126 pages
File Size : 42,5 Mb
Release : 1994
Category : Sacramento-San Joaquin Estuary (Calif.)
ISBN : UCR:31210018882801
Author : Anonim
Publisher : Unknown
Page : 1024 pages
File Size : 44,8 Mb
Release : 1994-01-03
Category : Administrative law
ISBN : UIUC:30112059136769
Author : Michael J. Kennish
Publisher : CRC Press
Page : 371 pages
File Size : 48,8 Mb
Release : 1999-08-31
Category : Science
ISBN : 9781420074437
This timely volume examines the work of the National Estuary Program, the prominent federally-funded initiative dealing with pollution and other anthropogenic impacts on estuarine ecosystems and the management plans necessary to ensure that these invaluable natural treasures remain healthy and productive for future generations. Estuary Resto
Author : Anonim
Publisher : Unknown
Page : 356 pages
File Size : 54,7 Mb
Release : 1987
Category : Estuaries
ISBN : UCSD:31822008707465
Author : Fernanda Achete
Publisher : CRC Press
Page : 157 pages
File Size : 45,8 Mb
Release : 2020-04-22
Category : Science
ISBN : 9780429611506
Many estuaries are located in urbanized, highly engineered environments. Cohesive sediment plays an important role due to its link with estuarine health and ecology. An important ecological parameter is the suspended sediment concentration (SSC) translated into turbidity levels and sediment budget. This study contributes to investigate and forecast turbidity levels and sediment budget variability at San Francisco Bay-Delta system at a variety of spatial and temporal scales applying a flexible mesh process-based model (Delft3D FM). It is possible to have a robust sediment model, which reproduces 90% of the yearly data derived sediment budget, with simple model settings, like applying one mud fraction and a simple bottom sediment distribution. This finding opens the horizon for modeling less monitored estuaries. Comparing two case studies, i.e. the Sacramento-San Joaquin Delta and Alviso Slough, a classification for estuaries regarding the main sediment dynamic forcing is proposed: event-driven estuary (Delta) and tide-driven estuary (Alviso Slough). In the event-driven estuaries, the rivers are the main sediment source and the tides have minor impact in the net sediment transport. In the tide-driven estuaries, the main sediment source is the bottom sediment and the tide asymmetry defines the net sediment transport. This research also makes advances in connecting different scientific fields and developing a managerial tool to support decision making. It provides the basis to a chain of models, which goes from the hydrodynamics, to suspended sediment, to phytoplankton, to fish, clams and marshes.
Author : Anonim
Publisher : Unknown
Page : 124 pages
File Size : 53,6 Mb
Release : 1992
Category : Estuaries
ISBN : UVA:35007000167407
Author : Anonim
Publisher : Unknown
Page : 586 pages
File Size : 52,8 Mb
Release : 1994
Category : Fish habitat improvement
ISBN : UCR:31210020526701
Author : Anonim
Publisher : Unknown
Page : 484 pages
File Size : 41,6 Mb
Release : 2004
Category : Electronic
ISBN : NWU:35556034570465
Author : P.H. Nienhuis,A.C. Smaal
Publisher : Springer Science & Business Media
Page : 605 pages
File Size : 49,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401111744
The Oosterschelde estuary is one of the estuaries in the Netherlands which remained after the Delta scheme was completed in 1986. In the seventies the Oosterschelde became a national symbol of the change in political thinking and decision making about the values of our natural environment. As a result of political decision a storm surge barrier was built in the mouth of the estuary, as a compromise between safety for the human population and nature conservation. Owing to the broad interest in the meaning of the Oosterschelde estuary for Dutch and international societies, it became one of the most intensively studied coastal ecosystems in Western Europe. In an interdisciplinary approach of several state agencies and universities, a broad spectrum of physical, chemical and biological research has been carried out during the period of 1980--1989, dedicated to the structure and functioning of the saline ecosystem. The undisturbed estuary was studied during the period between 1980--1984. Large mathematical models had been constructed before 1986, to simulate future changes in the ecosystem. Further studies after the completion of the storm surge barrier (1986--1989) have been used for verification of the model. The integrated and summarized knowledge of the Oosterschelde ecosystem is used by water managers and nature and fisheries conservationists. A case study for professional civil engineers, ecologists, marine biologists, water managers, decision makers, university students and anyone interested in physical, chemical and biological estuarine and coastal sciences.
Author : Anonim
Publisher : Unknown
Page : 998 pages
File Size : 45,6 Mb
Release : 1976
Category : Hydraulic engineering
ISBN : IOWA:31858035472665
Author : Anonim
Publisher : Unknown
Page : 242 pages
File Size : 40,7 Mb
Release : 1984
Category : Aquatic organisms
ISBN : UCR:31210018996288
Author : United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Water and Power Resources
Publisher : Unknown
Page : 384 pages
File Size : 40,6 Mb
Release : 1986
Category : Water resources development
ISBN : LOC:0018545793A
Author : Gerardo M.E. Perillo
Publisher : Elsevier
Page : 470 pages
File Size : 42,5 Mb
Release : 1995-05-16
Category : Science
ISBN : 0080532497
This is the first book to be entirely devoted to the geomorphology and sedimentology of estuaries. The chapters in the book are structured according to the morphogenetic classification which is based on a new definition of estuaries and covers all areas within this field. The material is presented in such a way that it serves both as a reference for the researcher and as a textbook for use on courses covering estuaries, coastal environments, sedimentology and oceanography. Internationally renowned specialists have provided in-depth descriptions of the geomorphology, sedimentology and interactive processes associated with each particular subject.
Author : Anonim
Publisher : Unknown
Page : 52 pages
File Size : 51,9 Mb
Release : 1990
Category : Estuaries
ISBN : UCSD:31822023876683
Author : James E. Cloern,Frederic H. Nichols
Publisher : Springer Science & Business Media
Page : 241 pages
File Size : 53,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400955288
Estuaries are highly dynamic systems subject to changes occurring over a spectrum of time scales ranging from very short periods (e. g. over a tidal cycle) to geologic time scales. The nature of an estuary reflects complex responses to many driving forces, each having a characteristic frequency (or frequencies) of change. For example, freshwater inflow to estuaries varies daily in response to short-term events such as storms, seasonally, and between years as a result of longer-term climatic variability. Other important components of weather, e. g. wind speed/ direction and daily insolation, also vary over time scales ranging from hours to years. Tidal amplitude changes continuously with dominant frequencies associated with the semi-diurnal cycle, the fortnightly neap-spring, and the semi-annual cycle. Temporal dynamics of these driving forces evoke responses in the form of changing (I) circulation patterns and mixing, (2) sediment composition and transport, (3) solute speciation and distribution, (4) composition and abundance of particulates, (5) biomass, species composition, and productivity of plant and animal communities, (6) rates of material exchange between the sediments, water column, and atmosphere, and (7) bioavailability of trace metals and other pollutants. The purpose of this book is to examine the temporal dynamics of these properties and processes in the San Francisco Bay estuary.