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  • 1
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    Bioasssay, Chemical Analyses, and Statistical Analyses of Samples Obtained from Galveston Harbor, Texas (2021)
    South Central Environmental Center, NUS Corporation | Houston, TX
    In:  http://aquaticcommons.org/id/eprint/14172 | 9596 | 2020-08-31 20:26:12 | 14172 | Galveston Bay Information Collection
    Details
    Publication Date: 2021-06-24
    Description: In May 1979, Contract No. DACW64-79-C-0037, for performance of bioassays and bioaccumulation studies, chemical analyses of sediments, seawater and elutriate materials, and appropriate statistical analyses of samples obtained from the Galveston Harbor and Sabine-Neches Waterway Channels, was awarded to NUS Corporation by the Army Corps of Engineers, Galveston District. These studies are part of a continuing evaluation of the potential environmental effects of proposed ocean disposal of dredged materials and are required for compliance with provisions of Section 103 of the Marine Protection, Research and Sanctuaries Act of 1972 (PL 92-532). This final report presents the results of dredged material evaluations for the Galveston Harbor Channel project area.
    Keywords: Chemistry ; Limnology ; bioassay ; chemical analyses ; statistical analyses ; water quality
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 146
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  • 2
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    Study of Sedimentation Pollution in Gulf Coast Estuaries (2021)
    Gulf Universities Research Corporation | Houston, TX
    In:  http://aquaticcommons.org/id/eprint/14164 | 9596 | 2020-08-31 20:23:53 | 14164 | Galveston Bay Information Collection
    Details
    Publication Date: 2021-06-24
    Description: This proposal outlines an investigation which has been planned to achieve the following objectives: (A) Identify and further develop experimental techniques suitable for studying sedimentation in estuaries. Many experimental methods have been used in past investigations, but some of these need to be adapted and modified to fit different situations in various estuaries and to provide more detailed information than has been obtained in past studies. Some further development is also needed to provide better analytical methods for evaluating sediment deposits. As a result of this work, suitable methods will be provided that can be used in any estuary where sedimentation is considered to be a problem or a potential problem. (B). Define the character of recent sediments in five Gulf Coast estuaries (Corpus Christi Bay, Galveston Bay, Lake Pontchartrain, Mobile Bay, and Tampa Bay - Figure 1). Character in this instance includes thickness, stratification, composition, and vertical and horizontal distribution. Primary emphasis will be on sediment which has been deposited in the last 100 years. This information then will become a baseline for the purpose of measuring future changes in sediment deposits in these estuaries. (C) Identify man-made changes which have occurred in the last 100 years. This will provide an inventory of sediment now present in these estuaries, together with an indication of the future effects of this sediment on water quality. These changes include increases and redistribution of sediment, together with physical, chemical, and biological changes which reflect the pollution problems in each estuary.
    Keywords: Earth Sciences ; pollution ; sedimentation ; water quality
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 50
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  • 3
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    Allens Creek Nuclear Generating Station Site Houston Lighting & Power: Biological Monitoring Program Project Description (2021)
    Dames & Moore | Houston, TX
    In:  http://aquaticcommons.org/id/eprint/14163 | 9596 | 2020-08-31 20:23:41 | 14163 | Galveston Bay Information Collection
    Details
    Publication Date: 2021-06-24
    Description: A biological survey was conducted in the Fall of 1972 to establish baseline conditions of the aquatic and terrestrial ecosystems at the proposed Allens Creek Nuclear Generating Station (ACNGS) site near Sealy, Texas. The results of this survey were submitted in our report dated May 22, 1973 and included in the Environmental Report submitted to the Atomic Energy Commission in August, 1973. Houston Lighting & Power Company has recently authorized a one-year biological monitoring program to be performed basically as outlined in Chapter 6 of the Environmental Report. The objective of this project description is to further define the monitoring program. The program defined herein is intended to be flexible to allow adjustment of the dynamic nature of both aquatic and terrestrial ecosystems. Consequently, if data obtained reveal sensitive areas within either system, sampling schedules and techniques can be adjusted to meed these situations.
    Keywords: Ecology ; Environment ; Limnology ; Management ; biological monitoring ; water quality
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 35
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  • 4
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    Bioassay, Chemical Analyses, and Statistical Analyses of Samples obtained from Galveston Harbor, Texas (2021)
    South Central Environmental Center NUS Corporation | Houston, TX
    In:  http://aquaticcommons.org/id/eprint/14165 | 9596 | 2020-08-31 20:24:03 | 14165 | Galveston Bay Information Collection
    Details
    Publication Date: 2021-06-24
    Description: In May 1979, Contract No. DACW64-79-C-0037, for performance of bioassays and bioaccumulation studies, chemical analyses of sediments, seawater and elutriate materials, and appropriate statistical analyses of samples obtained from the Galveston Harbor and Sabine-Neches Waterway channels, was awarded to NUS Corporation by the Army Corps of Engineers, Galveston District. These studies are part of a continuing evaluation of the potential environmental effects of proposed ocean disposal of dredged materials and are required for compliance with provisions of Section 103 of the Marine Protection, Research and Sanctuaries Act of 1972 (PL 92-532). This final report presents the results of dredged material evaluations for the Galveston Harbor Channel project area. Channel sediments collected at designated locations in the project area were evaluated by bioassays of liquid, suspended particulate, and solid phase materials. A variety of sensitive marine vertebrates and invertebrates were used, including a fish, a crustacean, a crustacean postlarva (zooplankton), a polychaete, and a bivalve. Evaluative procedures were as established in Ecological Evaluation of Proposed Discharge of Dredged Materials into Ocean Waters (EPA/CE, 1977). The results of these bioassays showed that sediments of the Galveston Harbor Channel pose no serious or unacceptable hazard to the marine environment. The potential for bioaccumulation of selected pesticides, polychlorinated biphenyls (PCB's), heavy metals and petroleum hydrocarbons in tissues of marine organisms was evaluated by laboratory methodologies. The results of tissue analyses of sandworms and hard clams exposed to Galveston Harbor Channel sediments indicated that the concentration of all constituents analyzed was not significantly different between animals exposed to test and reference materials. There was no indication that the test animals had accumulated constituents of interest from the test materials to a greater extent than from the reference sediment. Chemical analyses for a variety of heavy metals, selected pesticides and PCB's, nitrogen derivatives, and oil and grease residues in sediments, seawater and elutriate materials were performed to define ambient concentrations of these constituents in the project environs. Many constituents exhibited no concentration above a quantifiable analytical detection limit. Several constituents (notably Aroclor 1254, arsenic, chromium, copper, lead, nickel, zinc, ammonia, nitrate, TKN, and oil and grease in sediments, and ammonia and TKN in seawater) displayed a general trend toward highest concentrations at shoreward sampling areas. Mercury was present in sediment materials throughout the project area, but was not found in excessive concentrations. The concentrations of oil and grease residues in seawater samples were highest at seaward sampling areas. It was conservatively determined that mercury concentrations in elutriate materials from all channel sampling areas would exceed the established marine water quality criterion; however, the initial mixing zone available at the designated disposal area is adequate to achieve the required dilution factors.
    Keywords: Chemistry ; Ecology ; Environment ; bioaccumulation ; bioassay ; chemical analyses ; statistical analyses ; water quality
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 146
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  • 5
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    Applications of Remote Sensing/GIS in Water Resources and Flooding Risk Managements (2018)
    Basel, Beijing, Wuhan : MDPI
    Details
    Keywords: remote sensing ; GIS ; water resources mapping ; water resources management ; eduation and outreaches ; water quality ; drought and flooding
    Description / Table of Contents: Perea-Moreno, A.; Aguilera-Ureña, M.; Meroño-De Larriva, J.; Manzano-Agugliaro, F. Assessment of the Potential of UAV Video Image Analysis for Planning Irrigation Needs of Golf Courses. Water 2016, 8(12), 584; https://doi.org/10.3390/w8120584 --- Frappart, F.; Bourrel, L.; Brodu, N.; Riofrío Salazar, X.; Baup, F.; Darrozes, J.; Pombosa, R. Monitoring of the Spatio-Temporal Dynamics of the Floods in the Guayas Watershed (Ecuadorian Pacific Coast) Using Global Monitoring ENVISAT ASAR Images and Rainfall Data. Water 2017, 9(1), 12; https://doi.org/10.3390/w9010012 --- Li, Y.; Gong, H.; Zhu, L.; Li, X. Measuring Spatiotemporal Features of Land Subsidence, Groundwater Drawdown, and Compressible Layer Thickness in Beijing Plain, China. Water 2017, 9(1), 64; https://doi.org/10.3390/w9010064 --- Yang, F.; Guo, J.; Tan, H.; Wang, J. Automated Extraction of Urban Water Bodies from ZY‐3 Multi‐Spectral Imagery. Water 2017, 9(2), 144; https://doi.org/10.3390/w9020144 --- Lee, J.; Choi, H. Improvements to Runoff Predictions from a Land Surface Model with a Lateral Flow Scheme Using Remote Sensing and In Situ Observations. Water 2017, 9(2), 148; https://doi.org/10.3390/w9020148 --- Sharif, H.; Al-Zahrani, M.; Hassan, A. Physically, Fully-Distributed Hydrologic Simulations Driven by GPM Satellite Rainfall over an Urbanizing Arid Catchment in Saudi Arabia. Water 2017, 9(3), 163; https://doi.org/10.3390/w9030163 --- Wang, X.; Chen, H.; Chen, Y. Large Differences between Glaciers 3D Surface Extents and 2D Planar Areas in Central Tianshan. Water 2017, 9(4), 282; https://doi.org/10.3390/w9040282 --- Wang, R.; Chen, J.; Wang, X. Comparison of IMERG Level-3 and TMPA 3B42V7 in Estimating Typhoon-Related Heavy Rain. Water 2017, 9(4), 276; https://doi.org/10.3390/w9040276 --- Pan, C.; Wang, X.; Liu, L.; Huang, H.; Wang, D. Improvement to the Huff Curve for Design Storms and Urban Flooding Simulations in Guangzhou, China. Water 2017, 9(6), 411; https://doi.org/10.3390/w9060411 --- Ouyang, H.; Shih, S.; Wu, C. Optimal Combinations of Non-Sequential Regressors for ARX-Based Typhoon Inundation Forecast Models Considering Multiple Objectives. Water 2017, 9(7), 519; https://doi.org/10.3390/w9070519 --- Lu, Y.; Song, W.; Lu, J.; Wang, X.; Tan, Y. An Examination of Soil Moisture Estimation Using Ground Penetrating Radar in Desert Steppe. Water 2017, 9(7), 521; https://doi.org/10.3390/w9070521 --- Tekeli, A. Exploring Jeddah Floods by Tropical Rainfall Measuring Mission Analysis. Water 2017, 9(8), 612; https://doi.org/10.3390/w9080612 --- Wang, X.; Xie, H. A Review on Applications of Remote Sensing and Geographic Information Systems (GIS) in Water Resources and Flood Risk Management. Water 2018, 10(5), 608; https://doi.org/10.3390/w10050608
    Pages: Online-Ressource (VIII, 222 Seiten) , Illustrationen, Diagramme
    Edition: Printed Edition of the Special Issue Published in Water
    ISBN: 9783038429814
    URL: http://www.mdpi.com/books/pdfview/book/684
    Language: English
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  • 6
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    Selected Papers from the 13th Estuarine and Coastal Modeling Conference (2016)
    Basel, Beijing, Wuhan : MDPI
    Details
    Keywords: cohesive sediment ; inundation ; effluent mixing ; shoaling waves ; water quality
    Description / Table of Contents: This special issue contains selected papers from the 13th International Conference on Estuarine and Coastal Modeling (ECM13), held Nov 4-6, 2013. The conference brings modelers from academic institutions, government and private industry together to present and discuss the latest developments in the field of marine environmental modeling. Begun in 1989 by Dr. Malcolm Spaulding, the conference is held every other year in a retreat-like setting with a maximum of about 125 people to encourage interaction and help strengthen ties between modeling communities. A wide range of modeling issues are encouraged, including advances in physical understanding, numerical algorithm development, model applications, and better tools. A wide range of modeling topics are encouraged as well, including storm surge, eutrophication, larval transport, search and rescue, oil spills, fisheries issues, coastal erosion and contaminated sediment transport. Many conferences also have special themes. The special theme of ECM13 was modeling related to Hurricane Sandy which in late October 2012 devastated the Caribbean and the US East Coast, including record flooding in New York City. The 22 papers presented here cover a broad spectrum of topics, including simulations of cohesive sediment, inundation, effluent mixing, shoaling waves, and water quality and with modeling applications from Alaska to New Zealand.
    Pages: Online-Ressource (VII, 424 Seiten)
    Edition: Printed Edition of the Special Issue Published in Journal of Marine Science and Engineering
    ISBN: 9783038420477
    URL: http://www.mdpi.com/books/pdfview/book/170
    Language: English
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  • 7
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    Earth Observation for Water Resource Management in Africa (2016)
    Basel, Beijing, Wuhan : MDPI
    Details
    Keywords: water resource management ; drought ; precipitation ; evapotranspiration ; flood mapping ; surface water hydrology ; soil moisture ; water quality ; hydrological modeling
    Description / Table of Contents: Reliable access to water, managing the spatial and temporal variability of water availability, ensuring the quality of freshwater and responding to climatological changes in the hydrological cycle are prerequisites for the development of countries in Africa. Water being an essential input for biomass growth and for renewable energy production (e.g. biofuels and hydropower schemes) plays an integral part in ensuring food and energy security for any nation. Water, as a source of safe drinking water, is furthermore the basis for ensuring the health of citizens and plays an important role in urban sanitation. The concept of Integrated Water Resource Management (IWRM) is seen as an opportunity to help manage water variability and the wide spread water scarcity in Africa. One key component missing from IWRM in Africa is the limited knowledge of the available extent and quality of water resources at basin level. Earth Observation (EO) technology can help fill this information gap by assessing and monitoring water resources at adequate temporal and spatial scales. The goal of this Special Issue is to understand and demonstrate the contribution which satellite observations, consistent over space and time, can bring to improve water resource management in Africa. Possible EO products and applications range from catchment characterization, water quality monitoring, soil moisture assessment, water extent and level monitoring, irrigation services, urban and agricultural water demand modeling, evapotranspiration estimation, ground water management, to hydrological modeling and flood mapping/forecasting. Some of these EO applications have already been developed by African scientists within the 10 year lifetime of the TIGER initiative: Looking after Water in Africa (http://www.tiger.esa.int), whose contributions are intended to be the starting point of this Special Issue and is only one example of the wide range of activities in the field. Contributions from the entire African and international scientific community dealing with the challenges of water resource management in Africa are the target of the special issue. In the years to come, an ever increasing number of international EO missions, such as the Landsat, ALOS, CBERS and RESOURCESAT mission suites, the family of Sentinel missions and the SMAP mission, will provide an unprecedented capacity to observe and monitor the different components of the water cycle. This Special Issue aims also at reviewing the latest developments in terms of new missions as well as related EO products and techniques that will be available in the near future to face some of the major challenges for IWRM in Africa.
    Pages: Online-Ressource (XXVII, 535 Seiten)
    Edition: Printed Edition of the Special Issue Published in Remote Sensing
    ISBN: 9783038421542
    URL: http://www.mdpi.com/books/pdfview/book/171
    Language: English
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