Phosphorus Cycling in a Large Subtropical Constructed Wetland Dominated by Submerged Aquatic Vegetation

Phosphorus Cycling in a Large Subtropical Constructed Wetland Dominated by Submerged Aquatic Vegetation PDF Author: Shannon C. Curtis
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description
Inorganic fractionation of soils indicated that surficial soils contained larger pools of inorganic P and a significant portion of the inorganic P exists in the Ca-bound pool. Although STA 1 West Cell 5b often reduces TP concentrations below 50 ug L−1, the DOP and PP concentrations must be reduced more efficiently to meet the new standard of 10 ug L−1.

Phosphorus Cycling in a Large Subtropical Constructed Wetland Dominated by Submerged Aquatic Vegetation

Phosphorus Cycling in a Large Subtropical Constructed Wetland Dominated by Submerged Aquatic Vegetation PDF Author: Shannon C. Curtis
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description
Inorganic fractionation of soils indicated that surficial soils contained larger pools of inorganic P and a significant portion of the inorganic P exists in the Ca-bound pool. Although STA 1 West Cell 5b often reduces TP concentrations below 50 ug L−1, the DOP and PP concentrations must be reduced more efficiently to meet the new standard of 10 ug L−1.

Association Between Particulate Phosphorus and Suspended Solids in an Everglades Trestment Wetland Dominated by Submersed Aquatic Vegetation

Association Between Particulate Phosphorus and Suspended Solids in an Everglades Trestment Wetland Dominated by Submersed Aquatic Vegetation PDF Author: Melina C. Farve
Publisher:
ISBN:
Category :
Languages : en
Pages : 106

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Book Description


Evaporation and Evapotranspiration

Evaporation and Evapotranspiration PDF 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.

Biogeochemistry of Wetlands

Biogeochemistry of Wetlands PDF Author: K. Ramesh Reddy
Publisher: CRC Press
ISBN: 0429531931
Category : Science
Languages : en
Pages : 926

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Book Description
The globally important nature of wetland ecosystems has led to their increased protection and restoration as well as their use in engineered systems. Underpinning the beneficial functions of wetlands are a unique suite of physical, chemical, and biological processes that regulate elemental cycling in soils and the water column. This book provides an in-depth coverage of these wetland biogeochemical processes related to the cycling of macroelements including carbon, nitrogen, phosphorus, and sulfur, secondary and trace elements, and toxic organic compounds. In this synthesis, the authors combine more than 100 years of experience studying wetlands and biogeochemistry to look inside the black box of elemental transformations in wetland ecosystems. This new edition is updated throughout to include more topics and provide an integrated view of the coupled nature of biogeochemical cycles in wetland systems. The influence of the elemental cycles is discussed at a range of scales in the context of environmental change including climate, sea level rise, and water quality. Frequent examples of key methods and major case studies are also included to help the reader extend the basic theories for application in their own system. Some of the major topics discussed are: Flooded soil and sediment characteristics Aerobic-anaerobic interfaces Redox chemistry in flooded soil and sediment systems Anaerobic microbial metabolism Plant adaptations to reducing conditions Regulators of organic matter decomposition and accretion Major nutrient sources and sinks Greenhouse gas production and emission Elemental flux processes Remediation of contaminated soils and sediments Coupled C-N-P-S processes Consequences of environmental change in wetlands# The book provides the foundation for a basic understanding of key biogeochemical processes and its applications to solve real world problems. It is detailed, but also assists the reader with box inserts, artfully designed diagrams, and summary tables all supported by numerous current references. This book is an excellent resource for senior undergraduates and graduate students studying ecosystem biogeochemistry with a focus in wetlands and aquatic systems.

Phosphorus Cycling in a Periphyton-dominated Freshwater Wetland

Phosphorus Cycling in a Periphyton-dominated Freshwater Wetland PDF Author: Leonard Joseph Scinto
Publisher:
ISBN:
Category : Freshwater ecology
Languages : en
Pages : 374

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Book Description


Treatment Marshes for Runoff and Polishing

Treatment Marshes for Runoff and Polishing PDF 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

Wetland Plants

Wetland Plants PDF Author: Julie K. Cronk
Publisher: CRC Press
ISBN: 1420032925
Category : Nature
Languages : en
Pages : 484

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Book Description
A detailed account of the biology and ecology of vascular wetland plants and their applications in wetland plant science, Wetland Plants: Biology and Ecology presents a synthesis of wetland plant studies and reviews from biology, physiology, evolution, genetics, community and population ecology, environmental science, and engineering. It provides a

Wastewater Treatment in Constructed Wetlands with Horizontal Sub-Surface Flow

Wastewater Treatment in Constructed Wetlands with Horizontal Sub-Surface Flow PDF Author: Jan Vymazal
Publisher: Springer Science & Business Media
ISBN: 140208580X
Category : Technology & Engineering
Languages : en
Pages : 579

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Book Description
Wetlands have been used for uncontrolled wastewater disposal for centuries. However, the change in attitude towards wetlands during the 1950s and 1960s caused the minimization of the use of natural wetlands for wastewater treatment (at least in developed countries). Constructed wetlands have been used for wastewater treatment for about forty years. Constructed wetland treatment systems are engineered systems that have been designed and constructed to utilize the natural processes for removal of pollutants. They are designed to take advantage of many of the same processes that occur in natural wetlands, but do so within a more controlled environment. The aim of this book is to summarize the knowledge on horizontal s- surface flow constructed wetlands (HF CWs) and objectively evaluate their treatment efficiency under various conditions. The information on this type of wastewater treatment technology is scattered in many publications but a comprehensive summary based on world-wide experience has been lacking. The book provides an extensive overview of this treatment technology around the world, including examples from more than 50 countries and examples of various types of wastewater treated in HF CWs.

Progress in Ecological Stoichiometry

Progress in Ecological Stoichiometry PDF Author: Dedmer B. Van de Waal
Publisher: Frontiers Media SA
ISBN: 2889456218
Category :
Languages : en
Pages : 382

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Book Description
Ecological stoichiometry concerns the way that the elemental composition of organisms shapes their ecology. It deals with the balance or imbalance of elemental ratios and how that affects organism growth, nutrient cycling, and the interactions with the biotic and abiotic worlds. The elemental composition of organisms is a set of constraints through which all the Earth’s biogeochemical cycles must pass. All organisms consume nutrients and acquire compounds from the environment proportional to their needs. Organismal elemental needs are determined in turn by the energy required to live and grow, the physical and chemical constraints of their environment, and their requirements for relatively large polymeric biomolecules such as RNA, DNA, lipids, and proteins, as well as for structural needs including stems, bones, shells, etc. These materials together constitute most of the biomass of living organisms. Although there may be little variability in elemental ratios of many of these biomolecules, changing the proportions of different biomolecules can have important effects on organismal elemental composition. Consequently, the variation in elemental composition both within and across organisms can be tremendous, which has important implications for Earth’s biogeochemical cycles. It has been over a decade since the publication of Sterner and Elser’s book, Ecological Stoichiometry (2002). In the intervening years, hundreds of papers on stoichiometric topics ranging from evolution and regulation of nutrient content in organisms, to the role of stoichiometry in populations, communities, ecosystems and global biogeochemical dynamics have been published. Here, we present a collection of contributions from the broad scientific community to highlight recent insights in the field of Ecological Stoichiometry.

The Structuring Role of Submerged Macrophytes in Lakes

The Structuring Role of Submerged Macrophytes in Lakes PDF Author: Erik Jeppesen
Publisher: Springer Science & Business Media
ISBN: 1461206952
Category : Science
Languages : en
Pages : 442

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Book Description
The rapid growth of the discipline of aquatic ecology has been driven both by scientific interest in the complexities of aquatic ecosystems and by their enormous environmental importance and sensitivity. This book focuses on the remarkably diverse roles played by underwater plants, and is divided into three parts: 10 thematic chapters, followed by 18 case studies, and rounded off by three integrative chapters. The topics range from macrophytes as fish food to macrophytes as mollusc and microbe habitat, making this of interest to aquatic ecologists as well as limnologists, ecosystem ecologists, microbial ecologists, fish biologists, and environmental managers.