Constructed Wetlands for Water Quality Improvement in Surface Water Discharges to the Everglades PDF Download
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Author: Wossenu Abtew
Publisher:
ISBN:
Category : Restoration ecology
Languages : en
Pages :
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Book Description
Everglades Stormwater Treatment Areas (STAs) are constructed freshwater wetlands designed for reducing phosphorus concentration and load from drainage waters that flow into the Everglades. Currently, six stormwater treatment areas with a total effective treatment area of 16,098 ha are under operation. Operation of the STAs started in 1994 with a 1,544 ha prototype constructed wetland, the Everglades Nutrient Removal Project, and additional STAs were constructed over the following years. For the period of operation of the STAs, the average total phosphorus (TP) concentration was 140 ppb in the inflow and 43 ppb in the outflow. The average phosphorus load reduction was about 70 percent. Hydraulic loading rate, TP loading rate and hydraulic retention time are recognized as factors that affect TP removal efficiency. Since the start of operation of the Everglades Nutrient Removal Project and the subsequently constructed additional stormwater treatment areas, about 826,540 ha-m of water has been treated and 810.3 mt of total phosphorus have been removed. An additional expansion of the STA treatment system by another 2,389 ha is currently in progress.
Author: Wossenu Abtew
Publisher:
ISBN:
Category : Restoration ecology
Languages : en
Pages :
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Book Description
Everglades Stormwater Treatment Areas (STAs) are constructed freshwater wetlands designed for reducing phosphorus concentration and load from drainage waters that flow into the Everglades. Currently, six stormwater treatment areas with a total effective treatment area of 16,098 ha are under operation. Operation of the STAs started in 1994 with a 1,544 ha prototype constructed wetland, the Everglades Nutrient Removal Project, and additional STAs were constructed over the following years. For the period of operation of the STAs, the average total phosphorus (TP) concentration was 140 ppb in the inflow and 43 ppb in the outflow. The average phosphorus load reduction was about 70 percent. Hydraulic loading rate, TP loading rate and hydraulic retention time are recognized as factors that affect TP removal efficiency. Since the start of operation of the Everglades Nutrient Removal Project and the subsequently constructed additional stormwater treatment areas, about 826,540 ha-m of water has been treated and 810.3 mt of total phosphorus have been removed. An additional expansion of the STA treatment system by another 2,389 ha is currently in progress.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 342
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 528
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Book Description
Author: United States. General Accounting Office
Publisher:
ISBN:
Category : Everglades (Fla.)
Languages : en
Pages : 56
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Book Description
Author: Wossenu Abtew
Publisher: Springer Science & Business Media
ISBN: 9400747373
Category : Science
Languages : en
Pages : 219
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Book Description
The book is a thorough presentation of theoretical and applied aspects of the evaporation and evapotranspiration process supported by data from experimental studies. It is written in a way that the theoretical background of evaporation and evapotranspiration estimation is presented in a simplified manner, comprehensive to most technical readers. The book deals with details of meteorological parameters and monitoring sensors which are needed for estimating evaporation and evapotranspiration. Errors in meteorological parameter measurements are also presented. Estimation errors, strengths, weaknesses and applicability of a wide range of evaporation and evapotranspiration estimation methods are presented along with samples of application to a certain region. Application of newer simpler methods is presented. A new technology, remote sensing application to evaporation and evapotranspiration estimation, is presented. The latest interest in the subject, climate change and evapotranspiration is presented in the last chapter. This book will be beneficial to students, hydrologists, engineers, meteorologists, water managers and others.
Author: United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Transportation and Infrastructure
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 446
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Book Description
Author: Robert H. Kadlec
Publisher: CRC Press
ISBN: 1420012517
Category : Nature
Languages : en
Pages : 1048
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Book Description
Completely revised and updated, Treatment Wetlands, Second Edition is still the most comprehensive resource available for the planning, design, and operation of wetland treatment systems. The book addresses the design, construction, and operation of wetlands for water pollution control. It presents the best current procedures for sizing these syste
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 688
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Book Description
Author: Robert H. Kadlec
Publisher: CRC Press
ISBN: 0429838182
Category : Science
Languages : en
Pages : 1155
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Book Description
Treatment Marshes for Runoff and Polishing represents the most comprehensive and up-date-date resource for the design, construction, and operation of marsh treatment systems. This new edition represents a complete rewrite of the surface flow sections of previous editions of Treatment Wetlands. It is based on the performance hundreds of treatment marshes over the past 40 years. Treatment Marshes focuses on urban and agricultural runoff, river and lake water improvement, and highly treated municipal effluents. New information from the past dozen years is used to improve data interpretation and design concepts. Topics included in this book are Diversity of marsh vegetation Analyses of the human use of treatment marshes New concepts of underground processes and functions Spectrum of marsh values spanning mitigation, restoration, enhancement, and water quality improvement Improved methods for calculation of evapotranspiration and wetland water temperatures Hydraulics of surface and subsurface flows in marshes Analysis of long track records for deterministic and probabilistic behavior Consideration of integrated microbial and vegetative contaminant removals via mass balances Uptake and emission of gases Performance of urban and agricultural wetlands Design procedures for urban and agricultural wetlands Reduction of trace metals, pesticides, pharmaceuticals, endocrine disruptors, and trace organics Updated capital and O&M economics, and valuation of ancillary benefits An updated list of over 1900 references
Author: National Research Council
Publisher: National Academies Press
ISBN: 030918150X
Category : Science
Languages : en
Pages : 140
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Book Description
The Water Science and Technology Board and the Board on Environmental Studies and Toxicology have released the seventh and final report of the Committee on Restoration of the Greater Everglades Ecosystem, which provides consensus advice to the South Florida Ecosystem Restoration Task Force on various scientific and technical topics. Human settlements and flood-control structures have significantly reduced the Everglades, which once encompassed over three million acres of slow-moving water enriched by a diverse biota. To remedy the degradation of the Everglades, a comprehensive Everglades Restoration Plan was formulated in 1999 with the goal of restoring the original hydrologic conditions of its remaining natural ecosystem. A major feature of this plan is providing enough storage capacity to meet human needs while also providing the needs of the greater Everglades ecosystem. This report reviews and evaluates not only storage options included in the Restoration Plan but also other options not considered in the Plan. Along with providing hydrologic and ecological analyses of the size, location and functioning of water storage components, the report also discusses and makes recommendations on related critical factors, such as timing of land acquisition, intermediate states of restoration, and tradeoffs among competing goals and ecosystem objectives.
