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Author : Bas Frank Oteman
Publisher :
ISBN 13 : 9789036551359
Total Pages : 152 pages
Book Rating : 4.5/5 (513 download)
Download or read book Remote Sensing of Salt Marsh Vegetation Stress written by Bas Frank Oteman and published by . This book was released on 2021 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shuvankar Ghosh
Publisher :
ISBN 13 :
Total Pages : 550 pages
Book Rating : 4.:/5 (13 download)
Download or read book Biophysical Remote Sensing of Salt Marshes in South-East United States written by Shuvankar Ghosh and published by . This book was released on 2017 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: Study of salt marsh biophysical properties is imperative to understand its response to environmental change. We developed protocols for mapping biophysical properties of salt marshes such as Green Leaf Area Index (GLAI), Canopy Chlorophyll (CHLc), Vegetation Fraction (VF), and aboveground Green Biomass (GBM) using moderate resolution satellite images and in-situ data for the salt marshes in south-eastern United States. The time-series products derived using the biophysical models have been able to capture the spatio-temporal effects of the environmental events affecting the salt marshes of the region. We also tested the performance of different smoothing functions to derive noise-free phenology for Louisiana (LA) and Georgia (GA) salt marshes from the time-series GBM composites, and selected the best smoothing function to derive and analyze phenological parameters for salt marsh habitats. Long-term trend analysis of phenological parameters indicate positive changes in the base GBM values, and mostly negative changes in the GBM amplitude and small seasonal integral, which indicate overall progressive decline in the rates of photosynthesis and biomass allocation in the salt marsh ecosystem. This observed decline in photosynthesis and biomass allocation may be attributed to elevated atmospheric carbon dioxide (CO2) levels and sea level rise. Finally we attempted to map Gross Primary Productivity (GPP) for a salt marsh habitat in the Gulf Coast, using the GBM composites and in-situ GPP estimates from eddy covariance CO2 flux towers. The time-series composites and phenological charts developed using the biophysical GPP model was able to capture the effect of different environmental events such as dieback and hurricane landfall. The results illustrate the relative efficiency of MODIS in analyzing salt marsh biophysical properties. This is the first study to employ MODIS images to study the long-term trends in biophysical characteristics of salt marshes in south-east United States. The methods described in this study as well as the biophysical products derived using the methods has the potential to improve our ability to predict their productivity and carbon sequestration potential. These techniques could also be used to assess the success of previous and ongoing salt marsh restoration projects, and evaluate the productivity of marshes under threat from both natural and anthropogenic drivers.
Author : A G (Andy) Thomson
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (74 download)
Download or read book Salt marsh vegetation change detected by airborne remote sensing in the Westerschelde estuary, Netherlands for the ISLED Project written by A G (Andy) Thomson and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Sergio Fagherazzi
Publisher : American Geophysical Union
ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.:/5 (318 download)
Download or read book The Ecogeomorphology of Tidal Marshes written by Sergio Fagherazzi and published by American Geophysical Union. This book was released on 2004-01-09 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Located between sea and land, salt marshes are complex environments that provide critical ecosystem functions, such as production of organic material and nutrient cycling. This book examines the geomorphology of salt marshes with emphasis on the interaction between landscape and biota.
Author : Michael J. Sauer
Publisher :
ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.:/5 (7 download)
Download or read book Airborne Hyperspectral Remote Sensing of Salt Marsh Vegetation in Morro Bay written by Michael J. Sauer and published by . This book was released on 2006 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Minimum Noise Fraction (MNF) noise reduction method was employed with aircraft retrieved hyperspectral reflectance data in combination with a Mixture-Tuned Matching algorithm (MTMF) to map distributions of pickleweed and jaumea in Morro Bay, CA.
Author : Charles T. Roman
Publisher : Island Press
ISBN 13 : 9781597265751
Total Pages : 432 pages
Book Rating : 4.2/5 (657 download)
Download or read book Tidal Marsh Restoration written by Charles T. Roman and published by Island Press. This book was released on 2012-08-07 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many coastal tidal marshes have been significantly degraded by roadways and other projects that restrict tidal flows, limiting their ability to provide vital ecosystem services including support of fish and wildlife populations, flood protection, water quality maintenance, and open space. Tidal Marsh Restoration provides the scientific foundation and practical guidance necessary for coastal zone stewards to initiate salt marsh tidal restoration programs. The book compiles, synthesizes, and interprets the current state of knowledge on the science and practice of salt marsh restoration, bringing together leaders across a range of disciplines in the sciences (hydrology, soils, vegetation, zoology), engineering (hydraulics, modeling), and public policy, with coastal managers who offer an abundance of practical insight and guidance on the development of programs. The work presents in-depth information from New England and Atlantic Canada, where the practice of restoring tidal flow to salt marshes has been ongoing for decades, and shows how that experience can inform restoration efforts around the world. Students and researchers involved in restoration science will find the technical syntheses, presentation of new concepts, and identification of research needs to be especially useful as they formulate research and monitoring questions, and interpret research findings. Tidal Marsh Restoration is an essential work for managers, planners, regulators, environmental and engineering consultants, and others engaged in planning, designing, and implementing projects or programs aimed at restoring tidal flow to tide-restricted or diked salt marshes.
Author : Sarah Goldsmith
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (115 download)
Download or read book Decadal Changes in Salt Marsh Succession and Assessing Salt Marsh Vulnerability Using High Resolution Hyperspectral Imagery written by Sarah Goldsmith and published by . This book was released on 2019 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Change in the coastal zone is accelerating with external forcing by sea-level rise, nutrient loading, drought and over-harvest is impacting salt marshes. Understanding marsh resilience, including recovery from coastal storms and detection of stress, is essential for conservation and prediction of ecosystem services. The ‘chronosequence approach’ of predicting future state change by examining ecosystem structure and function in existing ecosystems of different ages is a powerful tool, but assumes that the past mimics the future, and time is the dominant driver of change. This approach was evaluated by replicating a 1995 salt marsh chronosequence study in back-barrier marshes ranging from 4 to >170 yr old on Hog Island, Virginia. Physico-chemical properties, such as porewater redox potential and sediment organic matter and nutrients, followed predictable age-related patterns. However, invertebrate abundance, plant biomass, and sediment grain size instead seemed to respond to sea level rise and stochastic die-off and sand deposition. Thus, while time drives the intrinsic evolution of some physico-chemical components, extrinsic drivers exert a strong influence on key biotic-abiotic feedbacks. Exacerbation of external forcing may push the trajectory of marsh succession away from a predictable trajectory, limiting ecosystem services. This rapid evolution of marsh state makes the ability to detect stressors prior to marsh collapse important. Hyperspectral imagery of plants was collected in marshes of varying age/stressor characteristics, including salinity, sediment redox potential and nitrogen availability, and in the greenhouse, where environmental conditions were manipulated. Models developed to stressors based on plant spectral response were useful for salinity and nitrogen within the greenhouse or within the field, but were not transferable from lab to field. This study is an important step towards development of a remote sensing tool for tracking of ecosystem development, marsh health, and future ecosystem services."--Abstract.
Author : Anthony Daniel Campbell
Publisher :
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.:/5 (11 download)
Download or read book Monitoring Salt Marsh Condition and Change with Satellite Remote Sensing written by Anthony Daniel Campbell and published by . This book was released on 2018 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David H. Van Mouwerik
Publisher :
ISBN 13 :
Total Pages : 214 pages
Book Rating : 4.:/5 (3 download)
Download or read book Assessing Vegetation Abundance of Spartina Foliosa in a Southern California Salt Marsh Using Remote Sensing written by David H. Van Mouwerik and published by . This book was released on 1993 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Karin S. Schmidt
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (499 download)
Download or read book Hyperspectral Remote Sensing of Vegetation Species Distribution in a Saltmarsh written by Karin S. Schmidt and published by . This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stuart Keating Allison
Publisher :
ISBN 13 :
Total Pages : 658 pages
Book Rating : 4.:/5 (33 download)
Download or read book Variation in Response to a Continuum of Stress and Disturbance in a Salt Marsh Plant Assemblage written by Stuart Keating Allison and published by . This book was released on 1991 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Subrina Tahsin
Publisher :
ISBN 13 :
Total Pages : 89 pages
Book Rating : 4.:/5 (971 download)
Download or read book Remote Sensing of Coastal Wetlands written by Subrina Tahsin and published by . This book was released on 2016 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: Apalachicola Bay in the Florida panhandle is home to a rich variety of salt water and freshwater wetlands but unfortunately is also subject to a wide range of hydrologic extreme events. Extreme hydrologic events such as hurricanes and droughts continuously threaten the area. The impact of hurricane and drought on both fresh and salt water wetlands was investigated over the time period from 2000 to 2015 in Apalachicola Bay using spatio-temporal changes in the Landsat based NDVI. Results indicate that salt water wetlands were more resilient than fresh water wetlands. Results also suggest that in response to hurricanes, the coastal wetlands took almost a year to recover while recovery following a drought period was observed after only a month. This analysis was successful and provided excellent insights into coastal wetland health. Such long term study is heavily dependent on optical sensor that is subject to data loss due to cloud coverage. Therefore, a novel method is proposed and demonstrated to recover the information contaminated by cloud.
Author : Shunlin Liang
Publisher : Elsevier
ISBN 13 : 0128032219
Total Pages : 3183 pages
Book Rating : 4.1/5 (28 download)
Download or read book Comprehensive Remote Sensing written by Shunlin Liang and published by Elsevier. This book was released on 2017-11-08 with total page 3183 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive Remote Sensing, Nine Volume Set covers all aspects of the topic, with each volume edited by well-known scientists and contributed to by frontier researchers. It is a comprehensive resource that will benefit both students and researchers who want to further their understanding in this discipline. The field of remote sensing has quadrupled in size in the past two decades, and increasingly draws in individuals working in a diverse set of disciplines ranging from geographers, oceanographers, and meteorologists, to physicists and computer scientists. Researchers from a variety of backgrounds are now accessing remote sensing data, creating an urgent need for a one-stop reference work that can comprehensively document the development of remote sensing, from the basic principles, modeling and practical algorithms, to various applications. Fully comprehensive coverage of this rapidly growing discipline, giving readers a detailed overview of all aspects of Remote Sensing principles and applications Contains ‘Layered content’, with each article beginning with the basics and then moving on to more complex concepts Ideal for advanced undergraduates and academic researchers Includes case studies that illustrate the practical application of remote sensing principles, further enhancing understanding
Author : Gunnar Arne Olson
Publisher :
ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.:/5 (464 download)
Download or read book Remote Sensing of Estuarine Salt Marsh written by Gunnar Arne Olson and published by . This book was released on 2000 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mark Douglas Hoover
Publisher :
ISBN 13 :
Total Pages : 414 pages
Book Rating : 4.:/5 (423 download)
Download or read book Connecticut's Changing Salt Marshes written by Mark Douglas Hoover and published by . This book was released on 2009 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Duncan M. FitzGerald
Publisher : Cambridge University Press
ISBN 13 : 1316946835
Total Pages : 499 pages
Book Rating : 4.3/5 (169 download)
Download or read book Salt Marshes written by Duncan M. FitzGerald and published by Cambridge University Press. This book was released on 2021-04-22 with total page 499 pages. Available in PDF, EPUB and Kindle. Book excerpt: Salt marshes are highly dynamic and important ecosystems that dampen impacts of coastal storms and are an integral part of tidal wetland systems, which sequester half of all global marine carbon. They are now being threatened due to sea-level rise, decreased sediment influx, and human encroachment. This book provides a comprehensive review of the latest salt marsh science, investigating their functions and how they are responding to stresses through formation of salt pannes and pools, headward erosion of tidal creeks, marsh-edge erosion, ice-fracturing, and ice-rafted sedimentation. Written by experts in marsh ecology, coastal geomorphology, wetland biology, estuarine hydrodynamics, and coastal sedimentation, it provides a multidisciplinary summary of recent advancements in our knowledge of salt marshes. The future of wetlands and potential deterioration of salt marshes is also considered, providing a go-to reference for graduate students and researchers studying these coastal systems, as well as marsh managers and restoration scientists.
Author : Duncan M. FitzGerald
Publisher : Cambridge University Press
ISBN 13 : 1107186285
Total Pages : 499 pages
Book Rating : 4.1/5 (71 download)
Download or read book Salt Marshes written by Duncan M. FitzGerald and published by Cambridge University Press. This book was released on 2021-04-22 with total page 499 pages. Available in PDF, EPUB and Kindle. Book excerpt: A multidisciplinary review of salt marshes, describing how they function and respond to external pressures such as sea-level rise.
