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  • 1
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    Fisheries conservation and habitat improvement in marine ecosystems (2021)
    Florida Sea Grant College Program | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/2063 | 3 | 2011-09-29 19:45:01 | 2063 | Florida Sea Grant College Program
    Details
    Publication Date: 2021-07-11
    Description: The following discussion presents information on human-made reefs and their role--as one tool of many--in the management of both fisheries and habitat. Principal subjects covered in this paper include a definition of marine habitat improvement and determination of its attainment, the present applications of reef construction technology to environmental situations both generally and in three case-studies, and suggested desirable attributes for incorporation into future use of this technology. (PDF has 11 pages.)
    Description: Authors’ note: This document was the basis for a keynote presentation at the 2004 World Fisheries Congress, in a session on Marine Fisheries Habitat Improvement. Several of the slides shown there are included here, without captions.
    Keywords: Management ; Fisheries ; Engineering ; Environment ; artificial reefs ; Florida ; habitat improvement
    Repository Name: AquaDocs
    Type: monograph
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  • 2
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    Florida's West Coast inlets: shoreline effects and recommended action (2021)
    Department of Coastal and Oceanographic Engineering, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1695 | 3 | 2011-09-29 20:11:10 | 1695 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-07-09
    Description: This report responds to the 1986 Beaches Bill which, in recognition of thepotential deleterious impact on Florida's beaches of inlets modified for navigation,mandated a study of those inlets with identification of recommended action to reducethe impacts. This report addresses west Coast inlets; East Coast inlets are thesubject of a companion report.There are 37 inlets along that portion of Florida's West Coast commencing fromPensacola Bay Entrance to Caxambas Pass at the south end of Marco Island. Compared tothose on the East Coast, most West Coast inlets have not had the deleterious effectson the adjacent beaches, yet all modified inlets without proper management have thepotential of impacting unfavorably on the adjacent shorelines. Moreover, at presentthere is interest in opening three West Coast entrances which either have been openin the past (Midnight Pass) or which have opened occasionally (Navarre Pass andEntrance to Phillips Lake).A review of inlets in their natural condition demonstrates the presence of ashallow broad outer bar across which the longshore transport Occurs. These shallowand shifting bar features were unsuitable for navigation which in many cases has ledto the deepening of the channels and fixing with one or two jetty structures. Inlets in this modified state along with inappropriate maintenance practices have thepotential of placing great ero$ional stress along the adjacent beaches. Moreover.channel dredging can reduce wave sheltering of the shoreline by ebb tidal shoals andalter the equilibrium of the affected shoreline segments. The ultimate in poor sandmanagement practice is the placement of good quality beach sand in water depths toogreat for the sand to reenter the longshore system under natural forces; depths of 12ft. or less are considered appropriate for Florida in order to maintain the sand inthe system.With the interference of the nearshore sediment transport processes by inletsmodified for navigation, if the adjacent beaches are to be stabilized there must bean active monitoring program with commitment to placement of dredged material ofbeach quality on shoreline segments of documented need. Several East Coast inletshave such transfer facilities; however. the quantities of sand transferred should beincreased. Although an evolution and improvement in the technical capability tomanage sand resources in the vicinity of inlets is expected, an adequate capabilityexists today and a concerted program should be made to commence a scheduledimplementation of this capability at those entrances causing greatest erosionalstress on the adjacent shorelines.A brief summary review for each of the 37 West Coast inlets is presentedincluding: a scaled aerial photograph, brief historical information, several itemsrelated to sediment losses at each inlet and special characteristics relevant toState responsibilities. For each inlet, where appropriate, the above infor~tion isutilized to develop a recommenced action. (PDF has 101 pages.)
    Description: Division of Beaches and Shores, Florida Department of Natural Resources
    Keywords: Oceanography ; Engineering ; Bypassing ; Entrances ; Inlets ; Florida
    Repository Name: AquaDocs
    Type: monograph
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  • 3
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    Part I. Hydraulics of tidal inlets: simple analytic models for the engineer (2021)
    Coastal and Oceanographic Engineering Department, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1476 | 3 | 2011-09-29 20:31:04 | 1476 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-07-08
    Description: Inlets are common coastal features around the world. Essentially aninlet connects a lagoon, a bay or an estuary to the ocean (or sea), and theflow through the inlet channel is primarily induced by the tidal rise andfall of water level in the ocean. When speaking of the hydraulics of an inlet,one is interested mainly in determining the flow through the inlet andthe tidal variation in the bay, given the following:(1) Inlet geometry(2) Bay geometry(3) Bottom sediment characteristics in the inlet(4) Fresh water inflow into the bay (and out throughthe inlet)(5) Ocean tide characteristicsA combination of all these factors can produce a rather complex situation. (PDF contains 34 pages.)
    Keywords: Oceanography ; Engineering ; Tidal inlets
    Repository Name: AquaDocs
    Type: monograph
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  • 4
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    Determination of direction of littoral transport along the north shore of Santa Rosa Island, Florida (2021)
    Coastal and Oceanographic Engineering Department, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1474 | 3 | 2011-09-29 20:31:13 | 1474 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-07-08
    Description: The purpose of this study was to determinethe actual direction of littoral transport along the north shore of SantaRosa Island in the vicinity of Pensacola Beach, Florida. To accomplish thisobjective the sand tracer method was used for the study. Visual observationsand instrument recordings of the environment factors were also made duringthe tracing operations. The investigation covered a time span from September14, 1976 to March 12, 1977.(PDF contains 68 pages.)
    Description: Sponsor: Department-of the Army Mobile District, Corps of Engineers Mobile, Alabama
    Keywords: Oceanography ; Engineering ; Santa Rosa Island ; Florida ; Longshore sediment transport
    Repository Name: AquaDocs
    Type: monograph
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  • 5
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    Sediment budget: principals and applications (2021)
    Coastal and Oceanographic Engineering Department, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1472 | 3 | 2011-09-29 20:31:18 | 1472 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-07-08
    Description: The framework of sediment budget concepts provides a formalized procedureto account for the various components of sediment flux and the changes ofvolume that occur within a given region. Sediment budget methodology can beuseful in a number of coastal engineering and research applications,including: inferring the amount of onshore sediment transport for a nearshoresystem that contains an "excess of sediment", determining sediment deficits todowndrift beaches as a result of engineering works at navigational entrances,evaluating the performance of a beach nourishment project, inferring thedistribution of longshore sediment transport across the surf zone, etc.This chapter reviews briefly the governing equations for sediment budgetcalculations, considers various measurement and other bases for determiningthe sediment flux components necessary to apply the sediment budget conceptand finally for illustration purposes, applies the sediment budget concept toseveral examples. (PDF contains 52 pages.)
    Description: PUBLISHED IN DYNAMICS OF SAND BEACHES, INTERNATIONAL CONFERENCE ON COASTAL ENGINEERING (ICCE) 20th TAIPEL, R.O.C. NOV., 1986.
    Keywords: Oceanography ; Engineering ; Sediment transport ; modeling
    Repository Name: AquaDocs
    Type: monograph
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  • 6
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    Coastal engineering investigation at Jupiter Inlet, Florida (2021)
    Coastal and Oceanographic Engineering Department, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1471 | 3 | 2011-09-29 20:31:48 | 1471 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
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    Publication Date: 2021-07-08
    Description: A fixed-bed hydraulic model of Jupiter Inlet, Florida, wasconstructed for the purpose of testing measures designed to remedyproblems of sediment erosion and deposition in the inlet area. Bothtide-induced flows as well as waves were simulated in the model whichwas built on an undistorted scale of 1:49. Model verification was basedon prototype measurements of waves, tides and currents. Results havebeen interpreted in terms of the influence of various proposed remedialschemes on flow velocity magnitude, distribution and wave height atvarious locations within the study area. A stability parameter has beenutilized for evaluating the degree of sediment erosion or deposition ata given location.Various structural solutions were examined in the model. It isproposed that, in the initial phase of solution implementation, sedimentremoval/nourishment methods be used primarily to mitigate the existingproblems. New structures, as per model test results, should beinstalled under subsequent phases, only if sediment managementprocedures do not prove to be adequate. The currently followedprocedure of periodic sand trap dredging may be extended to include thenew dredging/nourishment requirements. (PDF contains 245 pages.)
    Description: Submitted to: Jupiter Inlet District and Palm Beach County
    Keywords: Oceanography ; Engineering ; Hydraulic model ; Inlet hydraulics ; tidal inlets ; Jupiter Inlet ; Sedimentation ; Florida
    Repository Name: AquaDocs
    Type: monograph
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  • 7
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    Inlet stability and case histories, Part II (2021)
    Coastal and Oceanographic Engineering Department, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1475 | 3 | 2011-09-29 20:31:06 | 1475 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
    Details
    Publication Date: 2021-07-08
    Description: Inlets which require frequent channel dredging due to gradual shoaling,exhibit migration, or shoal up during storms, are in general unstable andpose a problem to the engineer. This problem of inlet stability is a complexone, because of the rather large number of variables that go into definingstability. The reference here is to inlets on sandy coasts only, becausethe absence of sand or similar sedimentary material the problem does notarise. Shell is also found in varying proportions with sand. Some of thisis. new, whereas in some areas it is ancient reworked material whose sizedistribution is close to that of the sand with which it is associated. (PDF has 24 pages.)
    Keywords: Oceanography ; Engineering ; Tidal inlets
    Repository Name: AquaDocs
    Type: monograph
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  • 8
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    Survey Data Report: Cape Canaveral, March-July, 1988 Volume 1 (2021)
    Coastal and Oceanographic Engineering Department, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1064 | 3 | 2011-09-29 21:11:59 | 1064 | Oceanographic Engineering Program, Department of Civil and Coastal Engineering, University of Florida
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    Publication Date: 2021-07-05
    Description: This report presents the results of a bathymetric surveying program carriedout on the beach and nearshore region about 1 km to the north of the PortCanaveral inlet. The survey data covers a period between March 16 and July 21,1988. The data was collected in support of a field study on directional wavemeasurement and Bragg reflection from artificial, shore-parallel bars, performedduring June-July, 1988. The topography at the experiment site was generallymonotonic in the on-offshore direction (except near the end of the experimentalprogram) and uniform in the longshore direction. (64 pages)
    Description: Office of Naval Research
    Keywords: Oceanography ; Engineering ; Bathymetric survey ; beach profiles ; Port Canaveral ; Florida
    Repository Name: AquaDocs
    Type: monograph
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  • 9
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    Multimodeling Basis for Across-Trophic-Level Ecosystem Modeling: the Florida Everglades Example (2021)
    Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1071 | 3 | 2011-09-29 21:11:25 | 1071 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-05
    Description: We present a new modeling method for use in large-scale physical systems, such as the Everglades ecosystem.The current work that has been done in the ATLSS (Across-Trophic-Level System Simulation) project-whichfocuses on simulating key Everglades system components-relies on code integration. While this represents anecessary first step in analyzing the dynamics of species within the Everglades, it falls short of true modelintegration. We have constructed a methodology called object-oriented physical modeling (OOPM), which allowsa comprehensive knowledge representation to be constructedfor large-scale systems. OOPM enforces theidea that an implementation ofcomputer code can be accomplished in an incremental fashion by starting with aconceptual model and progressing to more detailed models. During this evolutionary procedure, a minimal amountof code is written, since the emphasis is on developing the conceptual model so that it not only represents theintuitive aspects ofthe model, but is also executable. OOPM provides a kind of "blueprint" for ecologists, biologistsand hydrologists to communicate and integrate models effectively. (14 page document)
    Keywords: Conservation ; Management ; Engineering ; Limnology ; Everglades ; Florida ; ecosystem ; modeling ; ATLSS (Across-Trophic-Level System Simulation) ; restoration
    Repository Name: AquaDocs
    Type: article
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  • 10
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    Use of aerial survey and aerophotogrammetry methods in monitoring manatee populations (2021)
    Florida Cooperative Fish and Wildlife Research Unit, University of Florida | Gainesville, FL
    In:  http://aquaticcommons.org/id/eprint/1132 | 3 | 2011-09-29 21:05:45 | 1132 | Florida Cooperative Fish and Wildlife Research Unit
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    Publication Date: 2021-07-05
    Description: We evaluated the use of strip-transect survey methods for manatees through aseries of replicate aerial surveys in the Banana River, Brevard County, Florida, duringsummer 1993 and summer 1994. Transect methods sample a representative portion ofthe total study area, thus allowing for statistical extrapolation to the total area. Otheradvantages of transect methods are less flight time and less cost than total coverage, easeof navigation, and reduced likelihood of double-counting.Our objectives were: (1) to identify visibility biases associated with the transectsurvey method and to adjust the counts accordingly; (2) to derive a population estimatewith known variance for the Banana River during summer; and (3) to evaluate thepotential value of this survey method for monitoring trends in manatee population sizeover time. (51 page document)
    Description: Research Work Order no. 116
    Description: FINAL REPORT to the U.S. Department of the Interior National Biological Service (RWO-116: Aerial Survey objective)
    Keywords: Biology ; Engineering ; Banana River ; Brevard County ; Florida ; manatee ; Trichechus manatus ; aerial surveys
    Repository Name: AquaDocs
    Type: monograph
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