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Surface Water Groundwater Interactions In A Tidal Marsh Plain
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Book Synopsis Surface Water - Groundwater Interactions in a Tidal Marsh Plain by : Marcia Susan Greenblatt
Download or read book Surface Water - Groundwater Interactions in a Tidal Marsh Plain written by Marcia Susan Greenblatt and published by . This book was released on 1997 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Groundwater Surface-water Interactions in a Wetland-influenced Coastal Plain Watershed by : John Spotswood Pollard
Download or read book Groundwater Surface-water Interactions in a Wetland-influenced Coastal Plain Watershed written by John Spotswood Pollard and published by . This book was released on 1992 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Groundwater-surface Water Interaction by : Corinna Abesser
Download or read book Groundwater-surface Water Interaction written by Corinna Abesser and published by . This book was released on 2008 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Selected papers from a symposium on A new Focus on Integrated Analysis of Groundwater-Surface Water Systems, held during the International Union of Geodesy and Geophysics XXIV General Assembly in Perugia, Italy, 11-13 July 2007.
Book Synopsis Groundwater - Vegetation - Atmosphere Interactions in an Intertidal Salt Marsh by : Kevan Bauer Moffett
Download or read book Groundwater - Vegetation - Atmosphere Interactions in an Intertidal Salt Marsh written by Kevan Bauer Moffett and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A large fraction of coastal wetlands worldwide have been severely impacted by development, resulting in among the highest losses of any wetland type. Necessary improvements in restoration and management of coastal wetlands require a better scientific understanding of the underlying plant-water interactions, or ecohydrology. This research developed a new conceptual model of intertidal salt marsh ecohydrology to define the relative roles of: tidal flooding, groundwater flow, vegetation zonation, and plant water uptake. Spatial and temporal variations in plant-water interactions were observed over three years at a field site in the Palo Alto Baylands, California. Three-dimensional numerical simulations of the coupled surface water and unsaturated groundwater flow and evapotranspiration (ET) at the site were used to explore the links between marsh vegetation and hydrology. /// Vegetation zonation is one of the most distinctive properties of salt marshes, yet had not been combined with physics-based hydrologic analysis prior to this research. Statistical analysis showed that vegetation zones at the field site were not correlated with traditional proxies for hydrologic influences such as elevation and distance-to-channel. Vegetation zonation was strongly correlated with a metric describing the spatial patterns of tidally-induced changes in salt marsh soil saturation and salinity. This metric was developed based on time-lapse imaging of bulk soil electrical conductivity and a new geophysical analysis method, Quantitative Differential Electromagnetic Induction imaging (Q-DEMI). /// Spatial variations in vegetation water use within and among vegetation zones were investigated in detail using centimeter-resolution thermal infrared (TIR) remote sensing. Well-established latent heat models were adapted to use spatially-variable canopy stomatal resistances. The detailed stomatal resistance maps were determined from the TIR data in a biophysically realistic manner by a new method. In principle, the stomatal resistance mapping method is applicable at scales from leaves (such as in this study) to landscapes. /// The dynamics of plant-water interactions originating at the leaf scale were also detectable in marsh-scale eddy covariance and meteorological field data. Alternating daytime tidal flooding and exposure shifted the marsh surface energy balance: from similar to a well-watered lawn during flooding, to similar to a sparse crop during exposure. The net ecosystem exchange of carbon dioxide was also temporarily suppressed in proportion to flood depth and duration, further indicating close plant-water coupling in the intertidal salt marsh environment. /// These spatial and temporal plant-water interactions occur within a larger context governed by the tidal regime and coastal groundwater flow. Continuous measurements of groundwater potential characterized marsh groundwater dynamics and provided evidence of sediment heterogeneity at the field site. In three dimensional, coupled groundwater-surface water simulations, the sediment heterogeneity affected both the balance between creek bank and interior marsh hydrologic processes and the spatial distribution of groundwater-surface water exchange. In the field, similar groundwater discharge zones were located in the tidal channels by fiber-optic distributed temperature sensing (DTS). The DTS data also provided the first description of the salt marsh benthic thermal regime, a system co-dominated by groundwater discharge and an ephemeral "tidal thermal blanket." /// Spatial variability in ET and rooting depth due to vegetation zonation were incorporated into a numerical model to represent the ecohydrologic system. The zonally-distributed ET and rooting depths caused notable spatial variations in hydrologic conditions in the marsh root zone, including significant variations in unsaturated pressure head and soil saturation. Modest control of salt marsh water table depth by vegetation following flooding tides was simulated throughout the field site, in accord with the prevailing conceptual model of salt marsh plant-water interactions. The simulations also suggested four additional classes of ecohydrologic dynamics apparent under conditions of prolonged marsh exposure. The four new classes of ecohydrological behavior were distinguished by combinations of relatively high or low soil permeability and high or low ET rate. Together, patterns in vegetation and soil permeability thus created distinctive "ecohydrological zones." In some cases, the contrast among such ecohydrological zones caused upward and downward groundwater flow regions to be spatially juxtaposed, suggesting future research into soil biogeochemistry at these sites may be interesting. /// In summary, a new conceptual model of salt marsh ecohydrology is based on a definition of "ecohydrological zones" as the relevant unit of structure and function within the salt marsh ecohydrological system. Distinctive ecohydrological zones are created by hydraulic interactions between groundwater, vegetation, and the atmosphere. The specific nature of each zone depends both on the soil hydraulic properties resulting from the local geomorphological history and on the plant water uptake and transpiration governed by each plant species' unique physiology. The set of ecohydrological zones within a salt marsh are nested, in turn, within a coarser hydrologic system structure imposed by the tidal regime and larger intertidal groundwater flow system.
Book Synopsis Groundwater - Surface Water Interactions in Wetlands for Integrated Water Resources Management by :
Download or read book Groundwater - Surface Water Interactions in Wetlands for Integrated Water Resources Management written by and published by . This book was released on 2006 with total page 259 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterization of Surface Water/groundwater Interactions Along a Coastal Plain River by : Patrick Kolt Johnson
Download or read book Characterization of Surface Water/groundwater Interactions Along a Coastal Plain River written by Patrick Kolt Johnson and published by . This book was released on 2007 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ground-water Flow Patterns and Water Budget of a Bottomland Forested Wetland, Black Swamp, Eastern Arkansas by : Gerard Joseph Gonthier
Download or read book Ground-water Flow Patterns and Water Budget of a Bottomland Forested Wetland, Black Swamp, Eastern Arkansas written by Gerard Joseph Gonthier and published by . This book was released on 1996 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Groundwater-surface Water Interactions in the Tidally-dominated Coastal Region of the Bengal Basin by : Christopher Milos Tasich
Download or read book Groundwater-surface Water Interactions in the Tidally-dominated Coastal Region of the Bengal Basin written by Christopher Milos Tasich and published by . This book was released on 2013 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Surface Water-groundwater Interactions Within a Constructed Freshwater Wetland by : Derwin James Lyons
Download or read book Surface Water-groundwater Interactions Within a Constructed Freshwater Wetland written by Derwin James Lyons and published by . This book was released on 2005 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling Ground Water Surface by : James Scott Boswell
Download or read book Modeling Ground Water Surface written by James Scott Boswell and published by . This book was released on 2005 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Groundwater-Surface Water Interactions by : Habil. Jörg Lewandowski
Download or read book Groundwater-Surface Water Interactions written by Habil. Jörg Lewandowski and published by . This book was released on 2020 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent years have seen a paradigm shift in our understanding of groundwater-surface water interactions: surface water and aquifers were long considered discrete, separate entities; they are now understood as integral components of a surface-subsurface continuum. This book provides an overview of current research advances and innovative approaches in groundwater-surface water interactions. The 20 research articles and 1 communication cover a wide range of thematic scopes, scales, and experimental and modelling methods across different disciplines (hydrology, aquatic ecology, biogeochemistry, and environmental pollution). The book identifies current knowledge gaps and reveals the challenges in establishing standardized measurement, observation, and assessment approaches. It includes current hot topcis with environmental and societal relevance such as eutrophication, retention of legacy, and emerging pollutants (e.g., pharmaceuticals and microplastics), urban water interfaces, and climate change impacts. The book demonstrates the relevance of processes at groundwater-surface water interfaces for (1) regional water balances and (2) quality and quantity of drinking water resources. As such, this book represents the long-awaited transfer of the above-mentioned paradigm shift in understanding of groundwater-surface water interactions from science to practice.
Book Synopsis Saline Groundwater - Surface Water Interaction in Coastal Lowlands by : J.R. Delsman
Download or read book Saline Groundwater - Surface Water Interaction in Coastal Lowlands written by J.R. Delsman and published by IOS Press. This book was released on 2015-05-07 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coastal zones are among the world's most densely populated and economically important areas, but these factors put pressure on the often limited available freshwater resources. Global change will undoubtedly increase this pressure through the combined effects of increased population, economic development, rising sea levels, increased evapotranspiration, over-extraction and the salinization of coastal aquifers, decreasing river discharges, and accelerating land subsidence. Saline groundwater exfiltration is a common problem in the coastal zone of the Netherlands, but the hydrological processes and physiographic factors that affect this are not fully understood. The research presented in this book aims to identify the processes and physiographic factors controlling the spatial variability and temporal dynamics of the exfiltration of saline groundwater to surface water, and hence the contribution of saline groundwater to surface water salinity. Topics covered include a paleo-hydrogeological model simulation of the Holocene evolution of groundwater salinity as a result of paleo-geographic changes; surface water salinity dynamics in a densely-drained lowland catchment; hydrograph separation in an agricultural catchment; observations of heads, flow, solute concentration and temperature to constrain a detailed, variable-density groundwater flow and transport model; and a model to simulate the salinity dynamics of exfiltrating groundwater to support operational water management of freshwater resources in coastal lowlands. The book further outlines the implications of these findings for freshwater management in the Netherlands. The book demonstrates that the salinity of groundwater exfiltrating in polders in the Netherlands, and hence surface water salinity, varies on a wide range of spatial and temporal scales.
Book Synopsis Interaction Between Surface Water and Groundwater in a Coastal Wetlands System by : Selvarajah Marimuthu
Download or read book Interaction Between Surface Water and Groundwater in a Coastal Wetlands System written by Selvarajah Marimuthu and published by . This book was released on 2005 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Surface Water-groundwater Interactions in the Pajaro Valley, as Determined Using Natural and Anthropogenic Tracers by : Robert Sigler
Download or read book Surface Water-groundwater Interactions in the Pajaro Valley, as Determined Using Natural and Anthropogenic Tracers written by Robert Sigler and published by . This book was released on 2007 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Groundwater-Surface Water Interactions in the Hyporheic Zone by : J. W. N. Smith
Download or read book Groundwater-Surface Water Interactions in the Hyporheic Zone written by J. W. N. Smith and published by . This book was released on 2005-01-01 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Groundwater-surface water interaction in an upland hillslope-floodplain environment, Eddleston, Scotland by : B.E.O. Dochartaigh
Download or read book Groundwater-surface water interaction in an upland hillslope-floodplain environment, Eddleston, Scotland written by B.E.O. Dochartaigh and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling Steady State Groundwater and Surface Water Interactions by : Sherry Mitchell-Bruker
Download or read book Modeling Steady State Groundwater and Surface Water Interactions written by Sherry Mitchell-Bruker and published by . This book was released on 1993 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: