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Temporal And Spatial Patterns In Optical Properties Of Colored Dissolved Organic Matter On Floridas Gulf Coast
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Book Synopsis Temporal and Spatial Patterns in Optical Properties of Colored Dissolved Organic Matter on Florida's Gulf Coast by : Robyn Nicole Conmy
Download or read book Temporal and Spatial Patterns in Optical Properties of Colored Dissolved Organic Matter on Florida's Gulf Coast written by Robyn Nicole Conmy and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: Characterization of Colored Dissolved Organic Matter (CDOM) in surface and ground waters in South Florida was conducted using fluorescence and absorption spectroscopy. Waters of the West Florida Shelf are heavily influenced by many river systems on Florida's Gulf Coast that, to the first order control CDOM distributions on the shelf. Seasonal surveys revealed that changes in the underwater light field as a result of major hurricanes and resuspension events are linked closely with a number of factors prior to a storm's passing such as the presence of persistant blooms, rainfall and discharge. Additionally, storm track and wind direction were found to play a significant role in CDOM signatures. A study of ten riversheds located between the Mississippi / Atchafalya River system and the Shark River in the Everglades revealed a wide range in CDOM seasonality. A regional dependence of CDOM was also found, where highest aromaticity and concentration of organic material was found for the southernmost watersheds. Basin characteristics, vegetation differences, land use and climatic patterns are implicated in the cause for regional differences. In addition to surface flow, organic material in groundwater was measured in deep and shallow aquifers surrounding the Tampa Bay Estuary. As a result of strong hydrologic links between shallow aquifers and the overlying surface waters, CDOM in both reservoirs were found to be quite similar. Deep aquifers (> 150 ft) however are less concentrated and have CDOM signatures more similar to marine waters. This suggests similar biogeochemical pathways of the material, including the influence of the aquatic microbial community. Furthermore, multi-spectral CDOM fluorescence measurements were shown to be a potential indicator of groundwater presence in Tampa Bay during times of low surficial discharge to the bay, and when some rivers are almost entirely spring-fed. Investigating CDOM distribution and signatures is vital to carbon budget and cycling questions. The amount and quality of organic material has significant implications for ecosystems, thereby affecting organisms that use CDOM as a food source, light availability for photosynthesis, UV shading provided to biota, satellite estimates of chlorophyll a, metal binding, materials transport and overall water quality.
Book Synopsis Aquatic Organic Matter Fluorescence by : Paula G. Coble
Download or read book Aquatic Organic Matter Fluorescence written by Paula G. Coble and published by Cambridge University Press. This book was released on 2014-07-14 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: A core text on principles, laboratory/field methodologies, and data interpretation for fluorescence applications in aquatic science, for advanced students and researchers.
Book Synopsis Characterization and Optical Properties of Colored Dissolved Organic Matter During the Coastal Mixing & Optics Experiment Using in Situ and Discrete Sampling Methods by : Robyn Nicole Conmy
Download or read book Characterization and Optical Properties of Colored Dissolved Organic Matter During the Coastal Mixing & Optics Experiment Using in Situ and Discrete Sampling Methods written by Robyn Nicole Conmy and published by . This book was released on 1999 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Colored Dissolved Organic Matter (CDOM) Optical Properties, Nutrients, and Salinity in Coastal Florida by : Ana Rosa Arellano
Download or read book Investigation of Colored Dissolved Organic Matter (CDOM) Optical Properties, Nutrients, and Salinity in Coastal Florida written by Ana Rosa Arellano and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Thus, hypothesis testing showed that there was a significant difference between northern and southern springs Hypothesis testing also showed that there is a significant and unexpected positive relationship between CDOM and salinity studying Kings Bay, which is due to the low CDOM concentration in the springs discharging fresh water. This unique dataset also determined that the intercept of the mixing line was significantly different form zero. This indicates that CDOM is present and detectable at very low concentrations. Parallel Factor Analysis (PARAFAC) was used to evaluate CDOM composition from excitation emission matrix spectra (EEMs) and five components were identified: two humic, two marine humic, and one protein-like. The marine-like components, peak M, were produced in the marine environment and in meteoric groundwater. The study found a unique groundwater marker for coastal regions. Northern Kings Bay sites were characterized by a protein-like component, which has been associated with wastewater. Additional optical and environmental parameters were used in discriminate analysis, which successfully identified the CDOM markers for both natural and anthropogenic sources of nutrients in the environment. It is vital to improve the analysis of water, nutrients, and carbon from groundwater discharge into the coastal zone. Elevated DIN concentrations in groundwater are a widespread problem in Florida and over the past 30 years many spring waters have shown an increase in DIN concentrations. Nutrient discharge into delicate coastal areas can lead to ecological concerns. Investigating CDOM and nutrient distribution together can be a beneficial tool that can help differentiate sources from riverine/lacustrine, estuarine, marine, groundwater, and sewage impacted categories.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2009 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Linking Optical and Chemical Properties of Dissolved Organic Matter in Natural Waters by : Christopher L. Osburn
Download or read book Linking Optical and Chemical Properties of Dissolved Organic Matter in Natural Waters written by Christopher L. Osburn and published by Frontiers Media SA. This book was released on 2017-01-17 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: A substantial increase in the number of studies using the optical properties (absorbance and fluorescence) of dissolved organic matter (DOM) as a proxy for its chemical properties in estuaries and the coastal and open ocean has occurred during the last decade. We are making progress on finding the actual chemical compounds or phenomena responsible for DOM’s optical properties. Ultrahigh resolution mass spectrometry, in particular, has made important progress in making the key connections between optics and chemistry. But serious questions remain and the last major special issue on DOM optics and chemistry occurred nearly 10 years ago. Controversies remain from the non-specific optical properties of DOM that are not linked to discrete sources, and sometimes provide conflicting information. The use of optics, which is relatively easier to employ in synoptic and high resolution sampling to determine chemistry, is a critical connection to make and can lead to major advances in our understanding of organic matter cycling in all aquatic ecosystems. The contentions and controversies raised by our poor understanding of the linkages between optics and chemistry of DOM are bottlenecks that need to be addressed and overcome.
Book Synopsis Colored Dissolved Organic Matter in the Coastal Ocean: An Optical Tool for Coastal Zone Environmental Assessment & Management by :
Download or read book Colored Dissolved Organic Matter in the Coastal Ocean: An Optical Tool for Coastal Zone Environmental Assessment & Management written by and published by . This book was released on 2004 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the article, we focus on the properties, sources, sinks, measurement techniques, and distribution patterns of the major dissolved component of ocean color, CDOM. Through an understanding of the complex characteristics and environmental interactions of the CDOM pool, we can gain valuable insight into a variety of physical and biogeochemical processes occurring in coastal and shelf regions.
Book Synopsis Effects of Extreme Weather Events on Coastal Carbon and Nutrient Cycling by : Christopher Osburn
Download or read book Effects of Extreme Weather Events on Coastal Carbon and Nutrient Cycling written by Christopher Osburn and published by Frontiers Media SA. This book was released on 2022-11-10 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Properties and Photochemical Response of Colored Dissolved Organic Matter (CDOM) at Jobos Bay National Estuarine Research Reserve (JOBANERR), Puerto Rico by : Suhey Ortiz Rosa
Download or read book Optical Properties and Photochemical Response of Colored Dissolved Organic Matter (CDOM) at Jobos Bay National Estuarine Research Reserve (JOBANERR), Puerto Rico written by Suhey Ortiz Rosa and published by . This book was released on 2010 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Characteristics of the Colored Dissolved Organic Matter in the Eastern Caribbean, West Florida Shelf, and the Arabian Sea [electronic Resource] by :
Download or read book Optical Characteristics of the Colored Dissolved Organic Matter in the Eastern Caribbean, West Florida Shelf, and the Arabian Sea [electronic Resource] written by and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Electronic reproduction. [Florida] : Florida Board of Education, Division of Colleges and Universities, PALMM Project, 2002. (Florida heritage collection) Mode of access: World Wide Web. System requirements: Internet connectivity; Web browser software; Adobe Acrobat Reader to view and print PDF files. Digitized by the University of South Florida from a thesis in the Main Library at the University of South Florida, Tampa.
Book Synopsis Colored Dissolved Organic Matter in Sediments and Seagrass Beds and Its Impact on Benthic Optical Properties of Shallow Water Marine Environments - Data Analysis and Synthesis, and Student Support by :
Download or read book Colored Dissolved Organic Matter in Sediments and Seagrass Beds and Its Impact on Benthic Optical Properties of Shallow Water Marine Environments - Data Analysis and Synthesis, and Student Support written by and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The optical properties of shallow water coastal environments are a complex function of physical and biogeochemical processes occurring both in sediments and in the water column. Developing models of the optical properties of these environments requires further knowledge of the processes affecting light alteration and modification by biogeochemical reactions in the surficial sediments and at the sediment-water interface. The goal of our work has been to examine one aspect of this problem, namely the impact of dissolved organic matter (DOM) in sediment pore waters on benthic optical properties.
Book Synopsis Real-time Coastal Observing Systems for Marine Ecosystem Dynamics and Harmful Algal Blooms by : Babin, Marcel
Download or read book Real-time Coastal Observing Systems for Marine Ecosystem Dynamics and Harmful Algal Blooms written by Babin, Marcel and published by UNESCO. This book was released on 2008-06-05 with total page 880 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proliferation of harmful phytoplankton in marine ecosystems can cause massive fish kills, contaminate seafood with toxins, impact local and regional economies and dramatically affect ecological balance. Real-time observations are essential for effective short-term operational forecasting, but observation and modelling systems are still being developed. This volume provides guidance for developing real-time and near real-time sensing systems for observing and predicting plankton dynamics, including harmful algal blooms, in coastal waters. The underlying theory is explained and current trends in research and monitoring are discussed.Topics covered include: coastal ecosystems and dynamics of harmful algal blooms; theory and practical applications of in situ and remotely sensed optical detection of microalgal distributions and composition; theory and practical applications of in situ biological and chemical sensors for targeted species and toxin detection; integrated observing systems and platforms for detection; diagnostic and predictive modelling of ecosystems and harmful algal blooms, including data assimilation techniques; observational needs for the public and government; and future directions for research and operations.
Book Synopsis Water Optics and Water Colour Remote Sensing by : Yunlin Zhang
Download or read book Water Optics and Water Colour Remote Sensing written by Yunlin Zhang and published by MDPI. This book was released on 2018-07-05 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Water Optics and Water Colour Remote Sensing" that was published in Remote Sensing
Book Synopsis The Influence of Particulate and Dissolved Material on the Water Clarity of the Littoral Zone by :
Download or read book The Influence of Particulate and Dissolved Material on the Water Clarity of the Littoral Zone written by and published by . This book was released on 1997 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goals of this project were to quantify the temporal and spatial variations in the optical properties of phytoplankton, tripton and dissolved components in the littoral zones of two different regions. Two experiments were conducted in which water samples were collected simultaneous to in situ profiles of the spectral optical properties (S. Pegau, Oregon State University) and at the sites of moored optical instrumentation (A. Weidemann, NRL). These water samples were analyzed for pigment concentrations and spectrophotometric absorption coefficients (separated into contribution by phytoplankton, tripton, and dissolved components). By separating the total optical coefficients into contributions by various components, the observed variations in optical properties as a function of depth or time can be attributed to one or more of the components. Such analysis allows the variations to be classified as conservative, associated with physical processes (e.g. water mass mixing, passage of internal waves), or non-conservative variations associated with changes in component-specific optical properties (e.g. photoacclimation in phytoplankton, compositional changes in colored dissolved organic matter).
Book Synopsis Sources and Characterization of Dissolved Organic Matter in Southern Estero Bay, Florida by : Rheannon Dian-Joy Ketover
Download or read book Sources and Characterization of Dissolved Organic Matter in Southern Estero Bay, Florida written by Rheannon Dian-Joy Ketover and published by . This book was released on 2011 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Properties of Chromophoric Dissolved Organic Matter as a Tracer of Terrestrial Carbon to the Coastal Ocean by : Jennifer Louise Dickson Brown
Download or read book Optical Properties of Chromophoric Dissolved Organic Matter as a Tracer of Terrestrial Carbon to the Coastal Ocean written by Jennifer Louise Dickson Brown and published by . This book was released on 2009 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Meetings Abstracts, January-August 2006 by :
Download or read book Meetings Abstracts, January-August 2006 written by and published by . This book was released on 2006 with total page 1436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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