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  • Artikel  (73)
  • Earth Sciences  (43)
  • Chemistry  (34)
  • GEOPHYSICS
  • General Chemistry
  • Inorganic Chemistry
  • LUNAR AND PLANETARY EXPLORATION
  • Florida Geological Survey  (44)
  • Ambleside, UK  (29)
  • 1
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    Final report on the updating service on environmental chemicals in freshwater for the period 9.1.89 to 9.7.89 (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5238 | 1256 | 2011-09-29 15:13:42 | 5238 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: This report presents five batches of data which have been despatched to the Joint Research Centre, Ispra. The data as been allocated to various ECDIN (Environmental Chemicals Data and Information Network) files. The data comprises environmental chemicals in the freshwater environment, taking in paricular consideration: aquatic toxicity, bioaccumulation, metabolism and elimination biodegradation.
    Schlagwort(e): Chemistry ; Ecology ; Limnology ; Data ; Data processing ; Data collections ; Chemical compounds ; Toxicity ; Bioaccumulation ; Biodegradation ; Metabolism
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 2
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    Changes of water quality and sediment phosphorus of a small productive lake following decreased phosphorus loading (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5293 | 1256 | 2011-09-29 15:08:09 | 5293 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: Esthwaite Water is the most productive or eutrophic lake in the English Lake District. Since 1945 its water quality has been determined from weekly or biweekly measurements of temperature, oxygen, plant nutrients and phytoplankton abundance. The lake receives phosphorus from its largely lowland-pasture catchment, sewage effluent from the villages of Hawkshead and Near Sawrey, and from a cage-culture fish farm. From 1986 phosphorus has been removed from the sewage effluent of Hawkshead which was considered to contribute between 47% and 67% of the total phosphorus loading to the lake. At the commencement of phosphorus removal regular measurements of phosphorus in the superficial 0-4 cm layer of lake sediment were made from cores collected at random sites. Since 1986 the mean annual concentration of alkali-extractable sediment phosphorus has decreased by 23%. This change is not significant at the 5% level but nearly so. There has been no marked change in water quality over this period. Summer dominance of blue-green algae which arose in the early 1980s after decline of the previous summer forms, Ceratium spp., has been maintained. Improvement in water quality is unlikely to be achieved at the present phosphorus loading.
    Schlagwort(e): Chemistry ; Limnology ; Pollution ; Eutrophication ; Freshwater lakes ; Limnological surveys ; Phosphorus ; Phytoplankton ; Primary production ; Sediment analysis ; Water quality ; England ; Esthwaite Water
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    Format: 119-131
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  • 3
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    Ground-water records of Seminole County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/641 | 3 | 2020-08-24 02:24:41 | 641 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: The primary purpose of the investigation leading tothe report of which this is the basic data section was todetermine the extent to which salt water had encroachedinto the water-bearing formations of Seminole County andto evaluate the factors governing encroachment. Fieldwork for this study, begun in 1951 by the U. S. GeologicalSurvey in cooperation with the Florida Geological Survey,the Board of County Commissioners of Seminole County,and the city of Sanford, was completed in 1956. The interpretiveresults of the study are given in a report entitled"Ground-Water Resources of Seminole County, Florida, "by Jack T. Barraclough, published by the Florida GeologicalSurvey as Report of Investigations No. 27. (Document has 156 pages.)
    Schlagwort(e): Management ; Oceanography ; Limnology ; Earth Sciences ; Saltwater intrusion ; Seminole County ; Florida
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  • 4
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    Well design as a factor contributing to loss of water from the Floridan Aquifer, eastern Clay County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/642 | 3 | 2020-08-24 02:25:04 | 642 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: A number of wells penetrating the Floridan aquifer in easternClay County were found to be losing water to permeable zones abovethis aquifer. A differential in artesian pressure was observed in closelyspaced wells of similar depth. Further investigation. revealed thatthe pressure differential in the wells was due to the design of thewells, of which there were four principal types.A comparison of the four types of wells in relation to the subsurfacegeology showed that three types of wells were open to the permeablezones above the Floridan aquifer. In such wells water of relativelyhigh head from the Floridan aquifer moves up through the well boreand out into zones of relatively low head.The estimated water loss from poorly designed wells rangedfrom 32 to 180 gpm (gallons per minute). The artesian head loss inleaky wells ranged from 3 to 15 feet. A total loss of water of 39 mgd(million gallons per day) was estimated from all the leaky wells inthe area. A significant decline of the piezometric surface of the Floridanaquifer was observed in eastern Clay County. Some of this decline canbe attributed to the loss of water from the Floridan aquifer throughthese poorly designed wells. (Document has 16 pages.)
    Schlagwort(e): Engineering ; Limnology ; Earth Sciences ; groundwater ; wells ; aquifers ; Clay County ; Florida ; geology
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  • 5
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    Ground-water records of Flagler, Putnam, and St. Johns Counties, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/644 | 3 | 2020-08-24 02:25:47 | 644 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: An investigation of the geology] and ground-water resources ofFlagler, Putnam, and St. Johns counties, Florida, was made during theperiod November 1955 through 1958 by the U. S. Geological Survey incooperation with the Florida Geological Survey. The results of thisinvestigation have been published by the Florida Geological Survey inthe following reports: Information Circular 13 entitled, "Interim Reporton the Ground-Water Resources of Flagler County, Florida," by Boris J.Bermes; Information Circular 14 entitled, "Interim Report on the Ground-Water Resources of St. Johns County, Florida," by George R. Tarver;Information Circular 15 entitled, "Interim Report on the Ground-WaterResources of Putnam County, Florida," by Gilbert W. Leve; and Reportof Investigations 32 entitled, "Geology and Ground-Water Resources ofFlagler, Putnam, and St. Johns counties, Florida," by B. J. Bermes,G. W. Leve, and George R. Tarver.Report of Investigations 32 includes most of the information containedin the interim reports and in addition includes the results of thefull period of investigation covering the entire area. The tabular materialpresented herewith contains all of the records that were not includedin Report of Investigations 32. (Document contains 97 pages.)
    Schlagwort(e): Limnology ; Earth Sciences ; geology ; groundwater ; Flagler County ; Putnam County ; St. Johns County ; Florida
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  • 6
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    Flow and chemical characteristics of the St. Johns River at Jacksonville, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1212 | 3 | 2011-09-29 20:58:52 | 1212 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-06
    Beschreibung: This report will be of substantial value to water managers in developing theSt. Johns River as a multiple resource. Evaluation of the capacity of the river toaccept pollutants without adversely affecting other uses requires detailed data offlow and chemical characteristics and an understanding of how they interact. (66 page document)
    Schlagwort(e): Limnology ; Chemistry ; Planning ; pollutants ; St. Johns River ; Florida ; water quality
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  • 7
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    Interim report on the ground-water resources of Seminole County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1527 | 3 | 2011-09-29 20:24:51 | 1527 | Florida Geological Survey
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    Publikationsdatum: 2021-07-08
    Beschreibung: Salt-water encroachment is undoubtedly the problem of most concern tousers of ground water in Florida. This is a problem in many coastal areaswhere water levels are lowered excessively by heavy pumping. It is aproblem also in some inland areas where the water-bearing formations containsalty water at relatively shallow depths. Among the coastal areas where wellshave become contaminated with salt water are Pinellas County and the Miamiarea of Dade County. Inland areas where wells are likely to become contaminatedwith salt water include Seminole County and the southwestern partof Volusia County.The purpose of the investigation is to make a detailed study of thegeology and ground-water resources of the county with special emphasis onthe problems associated with declining water levels and salt-watercontamination. This report reviews briefly the progress of the investigationthrough February 1954. (PDF contains 43 pages.)
    Beschreibung: Prepared by the GEOLOGICAL SURVEY UNITED STATES DEPARTMENT OF THE INTERIOR in cooperation with the FLORIDA GEOLOGICAL SURVEY the BOARD CF COUNTY COMMISSIONERS OF SEMINOLE COUNTY and the CITY OF SANFORD
    Schlagwort(e): Oceanography ; Limnology ; Earth Sciences ; Seminole County ; Florida ; Saline intrusion ; Wells
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  • 8
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    Interim report on salt-water encroachment in Dade County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1530 | 3 | 2011-09-29 20:25:03 | 1530 | Florida Geological Survey
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    Publikationsdatum: 2021-07-08
    Beschreibung: Recently there has been much activity in reclaiming thelow-lying coastal areas of Dade County for residential use,by the addition of fill. The fill is obtained by digging canalsboth normal to and parallel to Biscayne Bay. The canalsserve the additional purpose of providing an access to theBay for boats. A problem needing to be considered is theeffect that these canals will have on the ground-water resources.It is expected that the canals will have little effecton ground water in parts of the county distant from the coast,but their effect in coastal areas is a matter of concern. Inorder to predict what, may happen in the vicinity of thesenew canals if they are not equipped with adequate controlstructures, it is instructive to review what has happened inthe vicinity of similar canals in the past.The U. S. Geological Survey, in cooperation with DadeCounty, the cities of Miami and Miami Beach, the Centraland Southern Florida Flood Control District, and the FloridaGeological Survey has collected water-level and salinitydata on wells and canals in Dade County since 1939. Someof the agencies named, and others, collected similar databefore 1939. Analysis of all the data shows that sea waterin the Atlantic Ocean and Biscayne Bayis the sole source ofsalt-water contamination in the Biscayne aquifer of the DadeCounty area. (PDF has 19 pages.)
    Beschreibung: PREPARED BY U. S. GEOLOGICAL SURVEY IN COOPERATION WITH DADE COUNTY, THE CITIES OF MIAMI AND MIAMI BEACH, THE CENTRAL AND SOUTHERN FLORIDA FLOOD CONTROL DISTRICT, AND THE FLORIDA GEOLOGICAL SURVEY
    Schlagwort(e): Oceanography ; Limnology ; Earth Sciences ; Dade County ; Florida ; Saline intrusion
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  • 9
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    Interim report on geology and ground-water resources of Indian River County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1535 | 3 | 2011-09-29 20:20:15 | 1535 | Florida Geological Survey
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    Publikationsdatum: 2021-07-08
    Beschreibung: In the area of this investigation a partial inventory wasmade of the estimated 2,000 existing wells to obtain informationon location, depth, and yield of representative wells.Also, data were obtained on the quality of water from thevarious aquifers, and on the fluctuation of water levels incertain wells in the Floridan aquifer. The hydraulic characteristicsof the Floridan aquifer at several sites weredetermined by means of pumping tests. (PDF has 80 pages.)
    Schlagwort(e): Limnology ; Earth Sciences ; Indian River County ; Florida ; Ground water ; Quality ; Wells
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  • 10
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    Reconnaissance of the geology and ground-water resources of Columbia County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1859 | 3 | 2011-09-29 19:57:47 | 1859 | Florida Geological Survey
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    Publikationsdatum: 2021-07-10
    Beschreibung: The Floridan aquifer was found to be principal source of groundwater in the area, containing artesian water in the northern part ofColumbia County, and being recharged in the southern part of thecounty. A few wells in the northern part of the county tap waterpresent in sediments that lie above the Floridan aquifer. Theseshallow waters are generally high in iron and tannic acid. Thedetails on the geology and hydrology necessary to conserve andutilize the water available to the residents of Columbia County arepresented in this study.(PDF contains 86 pages)
    Schlagwort(e): Limnology ; Earth Sciences ; Columbia County ; ground water ; water quality Florida
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  • 11
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    Appraisal of water resources in the east central Florida region (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1865 | 3 | 2011-09-29 19:57:25 | 1865 | Florida Geological Survey
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    Publikationsdatum: 2021-07-10
    Beschreibung: The rapidly expanding population and economic growth in the sevencounties of the East Central Florida Regional Planning Council as shown inFigure 1, herein called the East Central Florida Region or the Region, hasresulted in increasing demands on its water resources. Although there isabundant water in the Region as a whole, the water in some areas of the Regionis of unacceptable quality for most uses. As the population increases the demandfor water will become much greater and the available supply may be reduced bypollution and increased drainage necessitated by urbanization and other landdevelopment- Ground-water supplies can be increased by capturing and storingwater underground that now drains to the sea or evaporates from swamp areas.Research is needed, however, to develop artificial-recharge methods that arefeasible and which will preserve or improve the quality of water in the aquifer.(PDF contains 57 pages)
    Schlagwort(e): Management ; Limnology ; Earth Sciences ; water resources ; ground water ; water supply ; Florida ; East Central Florida Region
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  • 12
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    Ground water in the Immokalee area, Collier County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1334 | 3 | 2011-09-29 20:47:11 | 1334 | Florida Geological Survey
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    Publikationsdatum: 2021-07-07
    Beschreibung: The scope of the investigation involved the drilling of testholes and the detailed inventorying of existing wells in order todefine the location, depth, potential yield, and chemical qualityof the water contained in the shallow aquifer that might be usedfor the development of a central water-supply system.The field work and collection of data for the investigationcovered the period 1961 through 1963. Much of the data collectedfor the report on the ground-water resources of Collier County(McCoy, 1962) is incorporated into this report. (Document has 36 pages.)
    Schlagwort(e): Management ; Limnology ; Earth Sciences ; water supply ; ground water ; Immokalee ; Florida
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  • 13
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    Test well exploration in the Myakka River Basin area, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1335 | 3 | 2011-09-29 20:44:07 | 1335 | Florida Geological Survey
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    Publikationsdatum: 2021-07-07
    Beschreibung: In recent years, difficulties encountered in obtaining ground-water supplieswith acceptable chemical characteristics in the Myakka River basin area led tothe implementation of a test drilling program. Under this program, well drillingand data collection were executed in such a manner that all water-producingzones of the local aquifers, together with the quality and quantity of the wateravailable, were effectively identified.A step-drilling method was utilized which allowed the collection offormation cuttings, water samples, and water-level data, from isolated zones inthe well as drilling proceeded. The step drilling procedure is described. Thedriller's logs, geophysical logs, and chemical quality of water tables arepresented.(Document has 66 pages.)
    Schlagwort(e): Engineering ; Limnology ; Chemistry ; water supply ; groundwater ; Myakka River Basin area ; Florida
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  • 14
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    Ground-water resources data of Charlotte, DeSoto, and Hardee Counties, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1336 | 3 | 2011-09-29 20:44:11 | 1336 | Florida Geological Survey
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    Publikationsdatum: 2021-07-07
    Beschreibung: Charlotte, De Soto, and Hardee counties are east-southeast ofTampa in west-central peninsular Florida, figure 1. In order toplan the future water-resource development of the area, informationabout the water resources is needed. To meet this need, the WaterResources Division of the U.S. Geological Survey, in cooperationwith the Peace River Basin Board of the Southwest Florida WaterManagement District as part of the statewide cooperative programwith the Division of Geology, Florida Board of Conservation, begana continuing hydrologic data collection program in July, 1963, asan initial step in the investigation and evaluation of the groundwaterresources of Hardee and De Soto counties. A similar hydrologicdata program commenced in Charlotte County in July, 1964.Previous work in Hardee and De Soto counties included aone year reconnaissance by the Division of Water Resources andConservation, Florida Board of Conservation, which concluded inJune, 1963, and resulted in a hydrologic report (Woodard, 1964).As an outgrowth of the hydrologic data program, a Map Seriesreport portraying the chemical character of water in the Floridanaquifer in the southern Peace River basin was prepared in 1967(Kaufman and Dion).The data contained herein constitute the basis for the MapSeries report. Additional selected data, including records of wellsand chemical analyses,, on the ground-water resources of the threecounty area are also included and are published to make the dataavailable.(Document has 28 pages.)
    Beschreibung: Prepared by the UNITED STATES GEOLOGICAL SURVEY in cooperation with the DIVISION OF GEOLOGY FLORIDA BOARD OF CONSERVATION and the SOUTHWEST FLORIDA WATER MANAGEMENT DISTRICT
    Schlagwort(e): Engineering ; Limnology ; Chemistry ; groundwater ; Charlotte County ; DeSoto County ; Hardee County ; Florida
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  • 15
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    Water resource records of the Econfina Creek Basin area, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1337 | 3 | 2011-09-29 20:44:17 | 1337 | Florida Geological Survey
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    Publikationsdatum: 2021-07-07
    Beschreibung: The Econfina Creek basin area in northwestern Florida, which includes BayCounty, southeastern Washiigton County, and parts of Calhoun, Gulf, andJackson counties is shown in figure 1. The basin has an abundant supply ofground water and surface water of good quality. This determination is based ona three-year investigation of the water resources of the basin by the U. S.Geological Survey in cooperation with the Division of Geology, Florida Board ofConservation, during the period from October 1961 through June 1964. Thepurpose of this report is to assemble the basic data collected during thisinvestigation for those persons interested in water development or managementin this basin.(Document has 131 pages.)
    Beschreibung: Prepared by the United States Geological Suvey in cooperation with the Division of Geology, Florida Board of Conservation
    Schlagwort(e): Engineering ; Limnology ; Chemistry ; Water quality ; Econfina Creek ; Florida
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  • 16
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    Geology and geomorphology of Florida's coastal marshes (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1481 | 3 | 2011-09-29 20:30:18 | 1481 | Florida Geological Survey
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    Publikationsdatum: 2021-07-08
    Beschreibung: (PDF contains 16 pages.)
    Schlagwort(e): Limnology ; Earth Sciences ; Wetlands ; Coastal marshes ; Florida
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  • 17
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    Characterization of the sediments overlying the Floridan aquifer system in Alachua County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1480 | 3 | 2011-09-29 20:30:59 | 1480 | Florida Geological Survey
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    Publikationsdatum: 2021-07-08
    Beschreibung: The primary purpose of this project is to attempt toimprove the existing hydrogeologic information through lithologicand hydrogeologic characterizations of the sediments overlying theFloridan aquifer system in Alachua County. These sediments locallycomprise both the intermediate aquifer system and associatedconfining beds and the surficial aquifer system. (PDF has 119 pages.)
    Schlagwort(e): Limnology ; Earth Sciences ; Floridan aquifer ; Florida ; Alachua County ; sediments
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  • 18
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    A geological overview of Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1509 | 3 | 2011-09-29 20:27:12 | 1509 | Florida Geological Survey
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    Publikationsdatum: 2021-07-08
    Beschreibung: (PDF contains 80 pages.)
    Schlagwort(e): Earth Sciences ; Florida ; geology
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  • 19
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    Interim report on the ground-water resources of Manatee County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1528 | 3 | 2011-09-29 20:24:53 | 1528 | Florida Geological Survey
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    Publikationsdatum: 2021-07-08
    Beschreibung: A large part of western Manatee County is devoted to the growing ofwinter vegetables and citrus fruits. As in most of peninsular Florida,rainfall in the county during the growing season is not sufficient for cropproduction and large quantites of artesian water are used for irrigation.The large withdrawals of artesian water for irrigation result in a considerabledecline of the artesian head in the western part of the county. This seasonaldecline of the artesian head has become larger as the withdrawal of artesianwater has increased. The lowering of the fresh-water head in some coastal areas in the Statehas resulted in an infiltration of sea water into the water-bearing formations.The presence of salty water in the artesian aquifer in parts of the coastal areaof Manatee County indicates that sea water may also have entered the waterbearingformations in this area as a result of the decline of artesian pressureduring the growing season. The purpose of the investigation is to make a detailed study of the geologyand ground-water resources of the county, primarily to determine whethersalt-water encroachment has occurred or is likely to occur in the coastal area. (PDF contains 38 pages.)
    Beschreibung: Prepared by the GEOLOGICAL SURVEY UNITED STATES DEPARTMENT OF THE INTERIOR Sin cooperation with the FLORIDA GEOLOGICAL SURVEY the BOARD OF COUNTY COMMISSIONERS OF MANATEE COUNTY and the MANATEE RIVER SOIL CONSERVATION DISTRICT
    Schlagwort(e): Oceanography ; Limnology ; Earth Sciences ; Ground water ; Manatee County ; Florida ; Saline intrusion
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  • 20
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    Lithology and palynology of cave floor sediment cores from Wakulla Spring, Wakulla County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1508 | 3 | 2011-09-29 20:27:09 | 1508 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: Five short bottom sediment cores taken in Wakulla Spring Wakulla County, Florida, were described lithologicallyand sampled for palynological study. Four of the cores were recoveredfrom sediments at the spring cave entrance(130 feet water depth). One core was taken in a fossil vertebrate bone bed, 280 feet distance into the main springcave at a water depth of 240 feet. Sediments in the cores are composed of alternating intervals of quartz sand andcalcilitite, containing freshwater diatoms, freshwater mollusk shells and plant remains. The predominant pollenpresent in all cores consists of a periporate variety typical of the herb families Chenopodiaceae and Amaranthaceae.Arboreal flora, typical of the area surrounding the spring today, represent a very low percentage of thle pollenassemblage in the cores. Clustered Chenopod-Amaranth type pollen observed in one core suggest minimal transportprior to deposition, and indicate that the bottom sediments in the cave may be essentially In situ. An absence ofexotic flora suggests a Quaternary age for the sediments. (PDF contains 11 pages.)
    Schlagwort(e): Biology ; Limnology ; Earth Sciences ; Springs ; Florida ; Wakulla Spring ; Wakulla County ; sediments ; pollen
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    The artesian water of the Ruskin area of Hillsborough County, Florida: interim report (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1526 | 3 | 2011-09-29 20:25:22 | 1526 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: The purpose of the investigation is to make a detailed study of thegeology and ground water in the Ruskin area, especially as related to theproblem of salt-water encroachment. The major objectives of the programincludes:(1) An inventory of wells to determine their number and distribution,their depths and diameters, and other pertinent information.(2) A study of artesian pressures.(3) Analyses of water from selected wells to determine the locationand extent of any areas in which the artesian water is salty.(4) A study of the surface and subsurface geology as related to theoccurrence and movement of ground water.(5) An estimate of the quantity of ground water withdrawn.(PDF contains 24 pages.)
    Schlagwort(e): Oceanography ; Limnology ; Earth Sciences ; Ruskin ; Florida ; Saline intrusion ; Wells
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    Ground-water resources of the Stuart area, Martin County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1532 | 3 | 2011-09-29 20:25:18 | 1532 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: Because the Stuart area is, at times, surrounded on threesides by saline water, the underlying fresh-water aquifer isvulnerable to salt-water encroachment. With progressivelylarger withdrawals of ground water for public and privatesupplies, the possibility of salt-water contamination of freshwatersupplies is increased. (PDF contains 51 pages.)
    Schlagwort(e): Oceanography ; Limnology ; Earth Sciences ; Stuart ; Martin county ; Florida ; Ground water ; Salt-water intrusion ; Saline water
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    Materialart: monograph
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    Changes in the chloride content of ground water in Pinellas County, Florida between 1947 and 1956 (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1533 | 3 | 2011-09-29 20:25:20 | 1533 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: In December 1956 the U. S. Geological Survey, in cooperationwith the Florida Geological Survey and the Board ofCounty Commissioners of Pinellas County, collected waterleveland chloride content of water in 94 wells in PinellasCounty. First sampled in 1947, resampling and reanalyzing the waterfrom these wells was used to determine the change in the chloridecontent of the ground water from 1947 to 1956. The chloridecontent of ground water is generally a reliable indication ofthe contamination of ground water by sea water, as 90 percent of the dissolved solids of sea water are chloride salts. (PDF contains 15 pages.)
    Beschreibung: Prepared by U. S. Geological Survey in cooperation with the Florida Geological Survey and Pinellas County
    Schlagwort(e): Oceanography ; Limnology ; Earth Sciences ; Chloride ; Water quality ; Ground water ; Pinellas County ; Florida
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    Materialart: monograph
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    Record of wells in Volusia County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1542 | 3 | 2011-09-29 20:21:20 | 1542 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: A detailed study of the geology and ground-waterresources of Volusia County, on the eastern coast of Florida(fig. 1), was made during the period 1953-57 by the U. S.Geological Survey in cooperation with the Florida GeologicalSurvey and the cities of Daytona Beach, New Smyrna Beach,and Port Orange. The results of this study have been publishedby the Florida Geological Survey in the followingreports: Information Circular No. 8, entitled "InterimReport on Ground-Water Resources of Northeastern Part ofVolusia County, Florida, " by Granville G. Wyrickand WillardP. Leutze;, and Report of Investigations No. 22, entitled"Ground-Water Resources of Volusia County, Florida, " byGranville G. Wyrick.This report contains a table of well records that wascompiled from data collected during that investigation. longitude. (PDF contains 100 pages.)
    Beschreibung: Prepared by U. S. Geological Survey in cooperation with the Florida Geological Survey and the cities of Daytona Beach, New Smyrna, and Port Orange.
    Schlagwort(e): Limnology ; Earth Sciences ; Volusia County ; Florida ; wells
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    Record of wells in the Ruskin area of Hillsborough County, FLorida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1540 | 3 | 2011-09-29 20:21:03 | 1540 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: A detailed study of the geology and ground-waterresources of the Ruskin area (fig. 1) was made during theperiod from 1950 to 1955, by the U. S. Geological Survey incooperation with the Florida Geological Survey and the Boardof County Commissioners of Hillsborough County. Theresults of this study are given in a report by Harry M. Peekentitled "The artesian water of the Ruskin area of HillsboroughCounty, Florida" and published by the Florida GeologicalSurvey as Report of Investigations No. 21.This report contains tables of well records that werecompiled from data collected during that investigation. Thewell-numbering system used in the tables is based on latitudeand longitude. (PDF contains 88 pages.)
    Beschreibung: Prepared by the U. S. Geological Survey in cooperation with the Florida Geological Survey and the Board of County Commissioners of Hillsborough County
    Schlagwort(e): Limnology ; Earth Sciences ; Ruskin ; Hillsborough County ; Florida ; wells
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    Water available in canals and shallow sediments in St. Lucie County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1860 | 3 | 2011-09-29 19:57:51 | 1860 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-10
    Beschreibung: The increased demand for water placed upon the water resources ofSt. Lucie County by the expanding agricultural use has brought abouthydrologic changes with ensuing problems. This report documents thesechanges and provides data which are necessary in solving the problems. (PDF has 59 pages)
    Schlagwort(e): Management ; Limnology ; Earth Sciences ; Agriculture ; St. Lucie County ; agriculture ; Florida ; water use
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    Florida's sinkholes [poster] (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/653 | 3 | 2020-08-24 02:26:44 | 653 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: 1 poster
    Schlagwort(e): Limnology ; Earth Sciences ; sinkholes ; Florida ; posters ; limestone ; dolostone
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    Materialart: monograph
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    Karst [poster] (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/649 | 3 | 2011-09-29 21:45:02 | 649 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: Florida’s geology allows for the creation of many interesting featuresincluding sinkholes, underground rivers, springs, and caves. Thesefeatures make up what is called karst topography which forms as flowingwater slowly dissolves the limestone and dolostone. (1 poster)
    Beschreibung: Karst Educational Posters
    Schlagwort(e): Atmospheric Sciences ; Limnology ; Earth Sciences ; Chemistry ; karst ; springs ; sinkholes ; Florida ; charts
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    Porosity and permeability [of Florida's limestone and dolostone] (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/652 | 3 | 2011-09-29 21:45:07 | 652 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: 1 poster
    Beschreibung: Karst Educational Posters
    Schlagwort(e): Earth Sciences ; dolostone ; limestone ; Florida ; charts
    Repository-Name: AquaDocs
    Materialart: monograph
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    Geology [poster] (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/651 | 3 | 2011-09-29 21:45:05 | 651 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: Karst Educational Posters
    Schlagwort(e): Education ; Limnology ; Earth Sciences ; geology ; Florida ; charts ; aquifers
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    Materialart: monograph
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    Florida's aquifer adventure (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/761 | 3 | 2020-08-24 02:29:19 | 761 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-06-24
    Beschreibung: A 20 minute film which describes Florida's aquifer systems, springs, caves and environmental issues.
    Beschreibung: Video Series (Florida Geological Survey); no. 2
    Schlagwort(e): Limnology ; Earth Sciences ; springs ; Florida ; karst ; groundwater ; aquifers
    Repository-Name: AquaDocs
    Materialart: other
    Format: video/mpeg
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    Florida's first magnitude springsheds (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/728 | 3 | 2020-08-24 02:27:19 | 728 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-02
    Beschreibung: 1 poster
    Schlagwort(e): Education ; Limnology ; Earth Sciences ; springs ; Florida ; posters
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    Florida springs initiative (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/730 | 3 | 2011-09-29 21:39:02 | 730 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-02
    Beschreibung: 10 slides in Powerpoint presentation.
    Schlagwort(e): Limnology ; Engineering ; Earth Sciences ; Environment ; Springs ; Florida ; Florida Springs Initiative
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    Materialart: book_section
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    Woodville Karst Plain, North Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/981 | 3 | 2010-12-14 15:59:41 | 981 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-04
    Beschreibung: Map showing the largest mapped underwater cave systems and conduit flow paths confirmed by tracer testing relative to surface streams, sinkholes and potentiometric surface of the Florida aquifer in the Woodville Karst Plain, Florida
    Schlagwort(e): Management ; Pollution ; Engineering ; Limnology ; Earth Sciences ; Wakulla Springs ; Woodville Karst Plain ; Florida ; springs ; springshed ; map
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    Materialart: conference_item
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    Saline water intrusion from deep artesian sources in McGregor Isles area of Lee County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1206 | 3 | 2011-09-29 20:58:25 | 1206 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-06
    Beschreibung: Upward leakage of saline water from an artesian aquifer below 1,500 feethas caused an increase in chloride concentration in the lower Hawthorn aquiferfrom less than 1,000 mg/1 (milligrams per liter) to values ranging from about1,300 to 15,000 mg/1. Similarly the higher temperatures of the intruding waterhas caused an increase in water temperatures in the aquifer from 82"F to valuesranging from 83 to 93"F. The intruding water moves upward either through theopen bore hole of deep wells or test holes, or along a fault or fracture system,which has been identified in the area. From these points of entry into the lowerHawthorn aquifer, the saline water spreads laterally toward the south andsoutheast, but is generally confined to components of the fault system.The saline water moves upward from the lower Hawthorn aquifer into theupper Hawthorn aquifer through the open bore hole of wells, which connect theaquifers. This movement has resulted in an increase in chloride from less than200 mg/1 in the unaffected parts of the upper Hawthorn aquifer to valuescommonly ranging from about 300 to more than 3,000 mg/1 in parts of theaquifer affected by upward leakage. The upper Hawthorn aquifer is the principalsource of ground-water supply for public water-supply systems in western LeeCounty.Similar effects have been noted in the water-table aquifer, where chlorideincreased from less than 100 to concentrations ranging from about 500 to morethan 5,000 mg/1. This was caused by the downward infiltration of waterdischarged at land surface from wells tapping the lower Hawthorn aquifer.The spread of saline water throughout most of the McGregor Isles area iscontinuing as of 1971.(40 page document)
    Schlagwort(e): Oceanography ; Limnology ; Earth Sciences ; saline intrustion ; Florida ; Lee County
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    Miscellaneous studies (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1858 | 3 | 2011-09-29 19:57:59 | 1858 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-10
    Beschreibung: MISCELLANEOUSSTUDIES, which includes the following papers: "Geology of the Areain and Around the Jim Woodruff Reservoir" by Charles W. Hendry, Jr.and J. William Yon, Jr.; "Phosphate Concentrations near Bird Rookeriesin South Florida" by Dr. Ernest H. Lund, Department of Geology,Florida State University; and "An Analysis of Ochlockonee River ChannelSediments" by Dr. Ernest H. Lund, Associate Professor and PatrickC. Haley, Graduate Assistant, Department of Geology, Florida StateUniversity.(PDF contains 81 pages)
    Schlagwort(e): Biology ; Limnology ; Earth Sciences ; Jim Woodruff Reservoir ; phosphate ; bird rookeries ; Ochlockonee River ; Florida
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    Materialart: monograph
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    Florida First Magnitude springsheds (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/491 | 3 | 2021-02-27 19:59:44 | 491 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-06-30
    Beschreibung: The "Florida's First Magnitude Springsheds" poster was created to inform governmental decision makers and citizens of the importance of appropriate land use within springsheds. We must realize that recharge will become spring flow somewhere. Additionally, these springshed maps serve as baseline maps that can be further refined as continued research leads to a better understanding of these dynamic systems. (1 poster)
    Schlagwort(e): Conservation ; Limnology ; Earth Sciences ; Springs ; Florida ; First Magnitude
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    Interim report on the water resources of Escambia and Santa Rosa counties, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/544 | 3 | 2020-08-24 02:22:52 | 544 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-06-24
    Beschreibung: An investigation, currently in progress, deals withthe water resources of Escambia and Santa Rosa counties,Florida. The mild climate and excellent water supplies areprime reasons for a trend of industrial development in thissection of Florida. Information on the water resources ofthe area prior to this investigation was sketchy and basedon a minimum of documented data. The purpose of thisinvestigation is to collect water data and combine it withdata previously collected into an interpretative report thatwill be beneficial to water users. (Document has 105 pages.)
    Beschreibung: water supply; Santa Rosa County; Escambia County; Florida
    Schlagwort(e): Limnology ; Earth Sciences
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    Water levels in artesian and nonartesian aquifers of Florida in 1960 (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/640 | 3 | 2020-08-24 02:24:04 | 640 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: The purpose of this report is to summarize the trendsand fluctuations of water levels in the principal artesianand nonartesian (water-table) ground-water reservoirs oraquifers of Florida during 1960. (Document has 24 pages.)
    Schlagwort(e): Management ; Limnology ; Earth Sciences ; water supply ; ground water ; Florida
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    Materialart: monograph
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    Water-resource records of Brevard County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/639 | 3 | 2020-08-24 02:23:46 | 639 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: The U. S. Geological Survey made a comprehensiveinvestigation of the water resources of Brevard Countyfrom 1954 to 1958. The purposes of this investigation were:(1) to determine the occurrence and chemical quality ofwater in the streams and lakes, (2) to determine the locationand the thickness of aquifers, and (3) to determine theoccurrence and chemical quality of the ground water. Duringthe period from 1933 to 1954, water records were collectedfrom a few stream-gaging stations and a few observationwells. The purpose of this report is to present basic datacollected during these investigations. (Document has 188 pages.)
    Schlagwort(e): Limnology ; Earth Sciences ; Chemistry ; water quality ; streams ; lakes ; aquifers ; Brevard County ; Florida
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    Materialart: monograph
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    Groundwater / surface water interaction [poster] (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/645 | 3 | 2020-08-24 02:26:11 | 645 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: 1 poster
    Schlagwort(e): Pollution ; Limnology ; Earth Sciences ; posters ; karst ; groundwater ; surface water ; Florida ; aquifers
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    Materialart: monograph
    Format: application/pdf
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  • 42
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    Aquifers [poster] (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/647 | 3 | 2011-09-29 21:44:47 | 647 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-01
    Beschreibung: Karst Educational Posters
    Schlagwort(e): Education ; Limnology ; Earth Sciences ; aquifers ; Florida ; groundwater
    Repository-Name: AquaDocs
    Materialart: monograph
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    Florida sinkhole index (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/729 | 3 | 2021-02-27 20:01:36 | 729 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-02
    Beschreibung: The following data were compiled from the Florida Sinkhole Research Institute data base. Thatdatabase, which contains approximately 1900 sinkholes, is available from the Florida Geological Surveyupon request. The data are arranged alphabetically by county. The first two digits of the identification number representsthe county. These numbers correspond to the Florida Department of Transportation county numberingsystem. Following the county number are three numbers which represent the sinkhole in the county. Thelatitude and longitude are measured in degrees, minutes, and seconds, respectively. The T, Rand Srepresent the township, range and section system of survey, and corresponds to the individual sinkhole.A star indicates where data on a specific site or parameter is missing. (18pp.)
    Schlagwort(e): Limnology ; Earth Sciences ; Sinkholes ; Florida
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    Water resources data for Alachua, Bradford, Clay, and Union Counties, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/758 | 3 | 2020-08-24 02:28:39 | 758 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-02
    Beschreibung: A study of the water resources of Alachua, Bradford, Clay, andUnion counties, Florida (fig. 1), was made by the Water ResourcesDivision of the U. S. Geological Survey in cooperation with theFlorida Geological Survey during the period 1957-61. The resultsof this study will be published by the Florida Geological Surveyin the following reports by William E. Clark, Rufus H. Musgrove,Clarence G. Menke, and Joseph W. Cagle, Jr.: "Interim Reporton the Water Resources of Alachua, Bradford, Clay, and UnionCounties, Florida," "Water Resources of Alachua, Bradford,Clay, and Union Counties, Florida," and "Hydrology of BrooklynLake, near Keystone Heights, Florida." (Document has 161 pages.)
    Schlagwort(e): Limnology ; Earth Sciences ; lakes ; Florida ; drought ; Alachua County ; Bradford County ; Clay County ; Union County
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    Materialart: monograph
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    Florida's ground water quality monitoring program: background hydrogeochemistry (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1307 | 3 | 2011-09-29 20:49:55 | 1307 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-07
    Beschreibung: The purpose of this report is to present theresults of the initial quantification of backgroundwater quality in each of the state's major potableaquifer systems. Results are presented andinterpreted in light of the influencing factors whichlocally and regionally affect ambient ground-waterquality. This initial data will serve as a baselinefrom which future sampling results can becompared. Future sampling of the Network willindicate the extent to which Florida's regionalground-water resources are improving or decliningin quality. (Document has 378 pages.)
    Schlagwort(e): Limnology ; Chemistry ; Florida ; groundwater ; monitoring ; geochemistry
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
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    Record of wells in Manatee County, Florida (2021)
    Florida Geological Survey | Tallahassee, FL
    In:  http://aquaticcommons.org/id/eprint/1536 | 3 | 2011-09-29 20:20:22 | 1536 | Florida Geological Survey
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: A detailed study of the geology and ground-waterresources of Manatee County (fig. 1) was made during theperiod from 1950 to 1955. This report contains a table of well records that wascompiled from data collected during that investigation. Thewell-numbering system used in the table is based on latitudeand longitude. (PDF contains 204 pages.)
    Schlagwort(e): Limnology ; Earth Sciences ; Wells ; Manatee County ; Florida ; Ground water
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
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  • 47
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    The changing chemical composition of chalk streams and rivers (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5157 | 3949 | 2011-09-29 15:19:58 | 5157 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: The area studied was the River Frome system below Dorchester. The main river has its origins mainly in chalk springs, although some of its tributaries have surface run-off from farm lands and heath-lands. Thus the chemistry of the river is affected by changes in land practice and differences in the geology of the catchment area. Regular chemical analysis of chalk waters started at the River Laboratory in 1964, Regular weekly analyses have been carried out since 1965 at Bere Stream (a small chalk stream) and the River Frome (a large chalk stream); also single samples have been analysed to provide preliminary information. In 1970-71 an attempt was made to discover the contribution each main source made to the flow and chemical composition of the River Frome. Results of these investigations are presented in the paper.
    Schlagwort(e): Chemistry ; Environment ; Chemical analysis ; Chemical composition ; Rivers ; Stream flow ; Annual report ; England ; Dorset
    Repository-Name: AquaDocs
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    Format: application/pdf
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  • 48
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    Geochemistry of lipids in lacustrine sediments (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5171 | 3949 | 2011-09-29 15:18:48 | 5171 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: An explanation of the basic premises of the subject and its terminology is given. The article then outlines aspects of research on the organic material found in lacustrine sediments, and the analytical methods involved.
    Schlagwort(e): Chemistry ; Earth Sciences ; Diagenesis ; Freshwater lakes ; Geochemistry ; Lipids ; Sediment analysis ; Annual report
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 45-56
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  • 49
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    Joint research project on the aquatic ecotoxicity of organo-aluminium: Chemical reactions. First interim report (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5225 | 1256 | 2011-09-29 15:12:36 | 5225 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: The overall goal of the joint research project is to relate the chemical reactions involved in the formation of organo-aluminium complexes under acid conditions to their toxic effects on the physiology of aquatic organisms. Finally, this research is intended to predict toxic effects arising from acidity and aluminium under varying environmental conditions. This interim report examines the chemical modelling of ion-binding by humic substances where a computer model has been developed and is being tested using field data, and conditions required for the precipitation of aluminium in surface waters.
    Schlagwort(e): Chemistry ; Limnology ; Pollution ; Modelling ; Models ; Humic acids ; Surface water ; Aluminium compounds ; Aluminium ; Ions ; Toxicity ; England ; Duddon River
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 26
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  • 50
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    Decomposition in lake sediments: bacterial action and interaction (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5239 | 3949 | 2011-09-29 15:13:47 | 5239 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-06-24
    Beschreibung: This review discusses the processes involved in the decomposition of organic carbon derived initially from structural components of algae and other primary producers. It describes how groups of bacteria interact in time and space in a eutrophic lake. The relative importance of anaerobic and aerobic processes are discussed. The bulk of decomposition occurs within the sediment. The role of bacteria in the nitrogen cycle and the iron cycle, and in sulphate reduction and methanogenesis as the terminal metabolism of organic carbon are described.
    Schlagwort(e): Biology ; Chemistry ; Anaerobic bacteria ; Bacteria ; Biodegradation ; Carbon cycle ; Eutrophic lakes ; Fresh water ; Geochemical cycle ; Iron ; Manganese ; Nitrates ; Nitrogen cycle ; Organic carbon ; Oxygen consumption ; Partical size ; Sedimentation ; Sulphates ; Sulphur ; Annual report
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 31-44
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  • 51
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    Biological and climatic influences on the dace Leuciscus leuciscus in a southern chalk-stream (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5247 | 3949 | 2011-09-29 15:08:19 | 5247 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: The dace, Leuciscus leuciscus (L.) is an important cyprinid in terms of population biomass in chalk streams of southern England. Dace recruitment has been shown to vary widely from year to year and it is thought that this variation is largely as a result of the influence of abiotic factors, chiefly water temperature. From 1968 to 1981 there was a thirteen-fold difference in the year class structure index between the minimum index (0.25 in 1972) and the maximum (3.21 in 1976). The problems of such variation, especially those that could ensue from a succession of poor year-classes, are offset by the spread of reproductive effort by each female over several years.
    Schlagwort(e): Biology ; Chemistry ; Fisheries ; Abiotic factors ; Age composition ; Annual variations ; Climate ; Fecundity ; Fish eggs ; Fish larvae ; Freshwater fish ; Life history ; Mortality ; Population dynamics ; Predation ; Recruitment ; Sexual reproduction ; Survivial ; Water temperature ; Cyprinidae ; Leuciscus leuciscus ; England ; Dorset ; Chalk streams ; Annual report
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 83-96
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  • 52
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    Analysis and adsorption of phosalone on aquatic sediment (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5257 | 1256 | 2011-09-29 15:09:23 | 5257 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: Phosalone is a non systematic, wide spectrum organophosphate pesticide which was discovered in 1961 in the laboratories of the Societe des Usines Chimique Rhone-Poulenc in France. It has been approved for commercial use since 1964 in France, in Australia since 1966, in the United Kingdom in 1967 and in many other countries including Japan, Egypt, USSR and the USA. This study provides a full literature review on all aspects of phosalone including its physical, biological and chemical characteristics, and analytical methods of analysis with particular reference to soils/sediments. Furthermore, it aims to develop a method for the determintion of phosalone in aquatic sediments and to determine the adsorption of phosalone onto kaolinite.
    Schlagwort(e): Chemistry ; Limnology ; Pollution ; Insecticides ; Metabolism ; Toxicity ; Biodegradation ; Adsorption
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 54
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  • 53
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    Petroleum hydrocarbons in fresh waters: a preliminary desk study and bibliography (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5278 | 1256 | 2011-09-29 15:11:09 | 5278 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: A literature survey was carried out into the effects of petroleum hydrocarbons in freshwater, from the toxicity, biodegradability and concentration aspects. It was supplemented by a selective search on hydrocarbons in the marine environment for comparison. The aim was to determine the major inputs of these hydrocarbons, their accumulation, effects and fate in freshwaters. The search was confined to the period 1965-1978. The bibliography contains 390 references, divided by subject.
    Schlagwort(e): Chemistry ; Limnology ; Pollution ; literature reviews ; petroleum ; toxicity ; biodegradation
    Repository-Name: AquaDocs
    Materialart: book , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 52
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  • 54
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    Concentrations of major ions in the stream water of the River Duddon, England, 1970-1974 [Dataset] (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5349 | 1256 | 2011-05-13 11:55:43 | 5349 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-10
    Beschreibung: This dataset provides raw data of chemical analyses made during studies on seasonal variations of some major ions in the stream water of the River Duddon in Cumbria. Measurements of sodium, calcium, potassium, magnesium and chloride ions and pH were taken at 5 stations in the River Duddon between January 1970 and August 1974.
    Beschreibung: This data was used in the publication: Carrick, T.R. & Sutcliffe, D.W.: Concentrations of Major Ions in Streams on Catchments of the River Duddon (1971-1974) and Windermere (1975-1978), English Lake District. Freshwater Biological Association, Ambleside, UK, 1983 (FBA Occasional Publications 22)
    Schlagwort(e): Chemistry ; Limnology ; Calcium ; chlorides ; fresh water ; ions ; magnesium ; potassium ; seasonal variations ; sodium ; water analysis ; dataset
    Repository-Name: AquaDocs
    Materialart: other
    Format: text/html
    Format: application/vnd.ms-excel
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    Analysis of stream waters in the catchment of Lake Windermere (1975-1978), England [Dataset] (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5351 | 1256 | 2011-05-13 11:55:21 | 5351 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-10
    Beschreibung: This dataset provides raw data of chemical analyses made during studies on seasonal variations of some major ions in the stream water of the catchment of Lake Windermere in Cumbria. Measurements of sodium, calcium, potassium, magnesium, chloride ions and pH were taken at 37 stations in the catchment between 1975 and 1978.
    Beschreibung: This data was used in the publication: Carrick, T.R. & Sutcliffe, D.W.: Concentrations of major ions in streams on catchments of the River Duddon (1971-1974) and Windermere (1975-1978), English Lake District. Freshwater Biological Association, Ambleside, UK, 1983 (FBA Occasional Publications 22)
    Schlagwort(e): Chemistry ; Limnology ; Calcium ; chlorides ; fresh water ; ions ; magnesium ; potassium ; seasonal variations ; sodium ; water analysis ; England ; Lake Windermere ; dataset
    Repository-Name: AquaDocs
    Materialart: other
    Format: text/html
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    Concentrations of major ions in 182 tarns in the English Lake District (1953-1978) [Dataset] (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5354 | 1256 | 2011-09-16 12:01:28 | 5354 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-10
    Beschreibung: This dataset provides raw data of chemical analyses made during studies on seasonal variations of 182 tarns in the English Lake District, Cumbria. Measurements of sodium, calcium, potassium, magnesium, pH, chloride ions, alkalinity, sulphite, strong acids and nitrate were taken between 1953 and 1978.
    Beschreibung: This data was used in the publication: Carrick, T.R. & Sutcliffe, D.W.: Concentrations of major ions in lakes and tarns on the English Lake District (1953-1978). Freshwater Biological Association, Ambleside, UK, 1982 (FBA Occasional Publications 16)
    Schlagwort(e): Chemistry ; Limnology ; Calcium ; chlorides ; fresh water ; ions ; magnesium ; potassium ; seasonal variations ; sodium ; water analysis ; alkalinity ; England ; Lake District ; dataset
    Repository-Name: AquaDocs
    Materialart: other
    Format: application/vnd.ms-excel
    Format: application/vnd.ms-excel
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    Analyses of treated sewage effluent from Grasmere Treatment Unit (1974-1976), England [Dataset] (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5352 | 1256 | 2012-07-04 19:32:47 | 5352 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-10
    Beschreibung: This dataset provides raw data of chemical analyses made during studies on seasonal variations of treated sewage effluent from Grasmere Treatment Unit in Cumbria. Measurements of sodium, calcium, potassium, magnesium and chloride ions were taken between 1974 and 1976.
    Beschreibung: This data was used in the publication: Carrick, T.R. & Sutcliffe, D.W.: Concentrations of major ions in streams on catchments of the River Duddon (1971-1974) and Windermere (1975-1978), English Lake District. Freshwater Biological Association, Ambleside, UK, 1983 (FBA Occasional Publications 22)
    Schlagwort(e): Chemistry ; Limnology ; Calcium ; chlorides ; fresh water ; ions ; magnesium ; potassium ; seasonal variations ; sodium ; water analysis ; England ; Grasmere ; dataset
    Repository-Name: AquaDocs
    Materialart: other
    Format: application/vnd.ms-excel
    Format: application/vnd.ms-excel
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  • 58
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    Concentrations of major ions in the stream water of the upper basin of the River Duddon, England, 1972-1974 [Dataset] (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5350 | 1256 | 2011-05-13 11:56:03 | 5350 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-10
    Beschreibung: This dataset provides raw data of chemical analyses made during studies on seasonal variations of some major ions in the stream water of the upper basin of the River Duddon in Cumbria. Measurements of sodium, calcium, potassium, magnesium and chloride ions and pH were taken at 26 stations in the River Duddon basin between 1972 and 1974.
    Beschreibung: This data was used in the publication: Carrick, T.R. & Sutcliffe, D.W.: Concentrations of Major Ions in Streams on Catchments of the River Duddon (1971-1974) and Windermere (1975-1978), English Lake District. Freshwater Biological Association, Ambleside, UK, 1983 (FBA Occasional Publications 22)
    Schlagwort(e): Chemistry ; Limnology ; Calcium ; chlorides ; fresh water ; ions ; magnesium ; potassium ; seasonal variations ; sodium ; water analysis ; England ; River Duddon ; dataset
    Repository-Name: AquaDocs
    Materialart: other
    Format: text/html
    Format: application/vnd.ms-excel
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  • 59
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    Major ions in 25 frequently sampled tarns in the English Lake District (1954-56, 1974-1976) [Dataset] (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5353 | 1256 | 2012-07-04 19:33:33 | 5353 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-10
    Beschreibung: This dataset provides raw data of chemical analyses made during studies on seasonal variations of 25 frequently sampled tarns in Cumbria. Measurements of sodium, calcium, potassium, magnesium, pH, chloride ions, alkalinity, sulphite, strong acids and nitrate were taken between 1954 and 1956 and between 1974-1976.
    Beschreibung: This data was used in the publication: Carrick, T.R. & Sutcliffe, D.W.: Concentrations of major ions in streams on catchments of the River Duddon (1971-1974) and Windermere (1975-1978), English Lake District. Freshwater Biological Association, Ambleside, UK, 1983 (FBA Occasional Publications 22)
    Schlagwort(e): Chemistry ; Limnology ; Calcium ; chlorides ; fresh water ; ions ; magnesium ; potassium ; seasonal variations ; sodium ; water analysis ; alkalinity ; England ; Lake District ; dataset
    Repository-Name: AquaDocs
    Materialart: other
    Format: application/vnd.ms-excel
    Format: application/vnd.ms-excel
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  • 60
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    Bathymetric surveys and lake deposits (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5087 | 3949 | 2011-09-29 15:26:14 | 5087 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: A progress report on the bathymetric survey of Windereme undertaken in June 1937 by the Hydrographic Department of the Admiralty. The brief article outlines the background of the surveying process as well as the initial effectiveness of the survey work. There is a brief background to the geomorphological processes which were involved in shaping the Lake District topography, as well as some explanation of previous studies undertaken in the area. The report includes a figure showing the cross sections of lake beds and a figure detailing a core from the bottom deposits of Windermere.
    Schlagwort(e): Earth Sciences ; Limnology ; Bathymetric surveys ; Lake deposits ; Lake morphology ; Cores ; Glacial geology ; Diatoms ; Annual Report ; England
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 33-38
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  • 61
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    Changes in the phytoplankton (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5111 | 3949 | 2011-09-29 15:23:22 | 5111 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: An article discussing changes observed in phytoplankton of the Lake District. An overview is given of previous phytoplankton studies undertaken in the area, detailing some changes found in various waterbodies. Water quality changes in Lake Windermere are mentioned, including the gradual increase of dissolved organic matter (DOM), believed to be caused by the increase of sewage to the lake. The lakes in the Alps are given as an example of a similar anthropogenic pollution scenario. The treatment of a Lake District tarn with bone meal is described. The article goes on to discuss the composition of plankton throughout the year under a variety of climatic conditions. A figure shows seasonal variation in the consistuents of phytoplankton in Windermere (north basin).
    Schlagwort(e): Biology ; Chemistry ; Limnology ; Phytoplankton ; Limnology ; Dissolved organic matter ; Seasonal variations ; Sewage ; Water quality ; Annual reports ; England ; Lake District
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 42-45
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  • 62
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    The chemical budget of a lake (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5107 | 3949 | 2011-09-29 15:23:50 | 5107 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: A progress report on research undertaken on the chemical budget of a lake, outlining the importance of nitrogen and phosphorus in governing the production of life in freshwater. The report uses the Rivers Brathay and Leven, which flow into Windermere, as examples. The report also refers to the Rivers Rothay, Troutbeck and Cunsey. A table is including which shows the monthly average nitrate content (mg per litre) of the River Brathey and River Leven for 1937 into 1938. The report also includes a figure showing Windermere lake levels, discharge and rainfall during 1937. It also briefly considers possible anthropogenic influences on water quality.
    Schlagwort(e): Chemistry ; Ecology ; Limnology ; Phosphorus ; Organic compounds ; Sewage ; Diatoms ; Algae ; Sediment chemistry ; Seasonal variations ; Annual reports ; Nitrates ; River discharge ; England
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 38-42
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  • 63
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    Bacteria in freshwaters (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5114 | 3949 | 2011-09-29 15:21:32 | 5114 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: An article looking at the numerical distribution of bacteria in lakes, the types most commonly present and the nitrogen-cycle, in Lake Windermere. The methodology is explained, including the sampling frequency and depths, and bacteria culturing techniques. Water bodies other than Lake Windermere were also sampled and these are detailed, including a water reservoir. A summary of the work into horizontal of bacteria is given, including a table showing the number of bacteria per millilitre at different distances from inflow into Windermere. A summary of the work into vertical distribution is also given, including two figures, one showing seasonal variation during 1938-9 in numbers of bacteria at different depths in Winderemere, and the other showing the relationship between the numbers of bacteria at 10 metres depth in Windermere and the rainfull during the previous 7 days. A summary of the types of bacteria found, as well as work on the nitrogen cycle in Esthwaite Water, Lake Windermere and Blelham Tarn are given.
    Schlagwort(e): Biology ; Chemistry ; Limnology ; Nitrogen cycle ; Bacteria ; Freshwater ecology ; Limnology ; Seasonal variations ; Water column ; Water reservoirs ; Annual reports ; England ; Lake District
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 51-57
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  • 64
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    Changes in physical and chemical variables (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5112 | 3949 | 2011-09-29 15:23:20 | 5112 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: An article reviewing the work undertaken looking at the seasonal variation of chemical conditions in water at various depths in lakes. The laboratory tests undertaken for the research is outlined, as well as details of the sampling locations and the staff involved with the work. One figure shows the seasonal variation in the amounts of dissolved substances in the surface water of Windermere during 1936. Another figure shows seasonal varation inthe dry weight of phyto- and zooplankton in Windermere. Seasonal changes are discussed further and a table is included showing chemical conditions in winter and summer for Windermere.
    Schlagwort(e): Biology ; Chemistry ; Limnology ; Limnology ; Chemistry ; Seasonal variations ; Diatoms ; Phytoplankton ; Zooplankton ; Water column ; Surface water ; Annual reports ; England ; Lake District
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 46-51
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  • 65
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    Biological surveillance of chalk-streams (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5122 | 3949 | 2011-09-29 15:22:47 | 5122 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: An article reviewing the methods of biological surveillance of chalk-streams developed and commonly used at that time, with a focus on their application to the River Frome catchment in Dorset. In evaluating the surveillance methods, the author looks at sampling methods (including cores and kick-sampling), the level of identification of macroinvertebrates, and temporal and spatial variations. Responses of indices to organic pollution are also discussed. A number of accompanying figures are also included.
    Schlagwort(e): Biology ; Chemistry ; Ecology ; Environment ; Chalk ; Water management ; Cores ; Aquatic communities ; Freshwater ecology ; Invertebrate larvae ; Biological surveys ; Temporal variations ; Spatial variations ; Annual reports ; England
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 81-92
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  • 66
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    Lake deposits (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5115 | 3949 | 2011-09-29 15:21:39 | 5115 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: An article detailing further developments in the bathymetric survey work as detailed in the 6th annual report of the Freshwater Biological Association. Work has concentrated on investigating the layering in lake deposits (with the use of special equipment and corers), extending the area of lake for bathymetric surveys and the analysis of diatoms and plant material from core samples. A number of waterbodies in the Lake District are investigated, including: Bassenthwaite Lake, Derwentwater, Ennerdale Water, Rydal Water, Coniston Water, Buttermere Lake, Grasmere Lake, Esthwaite Water, Loweswater Lake, Haweswater Reservoir, Crummock Water, Ullswater Lake, Thirlmere Reservoir, Wastwater and Lake Windermere.
    Schlagwort(e): Biology ; Earth Sciences ; Limnology ; Cores ; Diatoms ; Bathymetric surveys ; Lake deposits ; Lake morphology ; Aquatic plants ; Annual reports ; England ; Lake District
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 57-62
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  • 67
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    The design and development of the Windermere Profiler. An instrument for measuring how various environmental parameters vary with depth in lakes, reservoirs and rivers (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5123 | 3949 | 2011-09-29 15:22:51 | 5123 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: A review article detailing the background, development and functionality of the Windermere Profiler, a multi parameter environmental monitoring instrument for use in lakes, reservoirs and rivers. The article explains the requirement for regular data collection by the Freshwater Biological Association at Windermere. The article covers the requirements of a profiling instrument, the design considerations, the electronic circuitry, the computer program, the operation of the computer software, the profiler in use and further developments to the design. A number of figures and images accompany the article.
    Schlagwort(e): Chemistry ; Environment ; Limnology ; Profilers ; Inland water environment ; Water reservoirs ; Lakes ; Rivers ; Temperature data ; Electrical conductivity ; Dissolved oxygen ; Depth measurement ; Light attenuation ; Annual reports ; England ; Lake District
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 93-106
    Standort Signatur Erwartet Verfügbarkeit
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  • 68
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    The growth of brown trout (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5117 | 3949 | 2011-09-29 15:22:21 | 5117 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-08
    Beschreibung: An article discussing the factors affecting the rate of growth of brown trout, detailing the research udnertaken at Wray Castle, designed to clarify the influencing factors in different waters and investigate what would be required to increase their size. The article considers factors such as alkalinity, total hardness, the presence of coarse fish in the waterbodies and competition for food. Previous work undertaken on brown trout in Ireland by other authors is reviewed. A figure showing average growth rate of brown trout in five lakes, as determined from their scales (Lough Derg, Windermere, Loch Leven, Ullswater, Haweswater).
    Schlagwort(e): Biology ; Chemistry ; Limnology ; Coarse fish ; pH effects ; Water hardness ; Food availability ; Limnology ; England ; Lake District
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 66-71
    Standort Signatur Erwartet Verfügbarkeit
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  • 69
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    Acid precipitation and its effects on aquatic systems in the English Lake District (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5189 | 3949 | 2011-09-29 15:16:49 | 5189 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: There is no evidence of an increase in the acidity (lower pH or alkalinity) of water-bodies in the Lake District over the last 50 years. Brown trout occur in acid streams and upland tarns where pH is 4.5-5.2 throughout the year. Their occurrence in such waters in Britain and Ireland has been known for most of this century and there is no previous evidence of harmful effects on salmonid fisheries, though numbers of fish are naturally low. However, many benthic invertebrates that are common in hill-streams where pH is above 5.7 do not occur in more acid streams. This phenomenon occurs in the headwaters of several western rivers in Cumbria. It is not a recent response to "acid rain". Harmful effects of pH are undoubtedly more pronounced in waters that are poor in other dissolved ions. Low concentrations of sodium, potassium, calcium and chloride are especially important and may limit the distributions of some aquatic animals even where pH is above 5.7. The concentration of sulphate ions is usually relatively high but this is not important to the fauna; concentrations are at least two times higher in productive alkaline water-bodies than they are in unproductive acid waters.
    Schlagwort(e): Chemistry ; Ecology ; Limnology ; Acid rain ; Acidification ; Alkalinity ; Freshwater pollution ; pH ; Pollution effects ; Invertebrata ; Salmonidae ; England ; Lake District ; Annual report
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 30-62
    Standort Signatur Erwartet Verfügbarkeit
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  • 70
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    Studies of chemical speciation in naturally anoxic basins (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5181 | 3949 | 2011-09-29 15:17:17 | 5181 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: The chemical speciation of both metals and non-metals, the use of polarographic techniques, and application to the study of the chemistry of anoxic waters are considered. In the first part of the paper unfamiliar terminology is explained and then an example of simple lake chemistry is presented to illustrate why the concept of speciation is necessary.
    Schlagwort(e): Chemistry ; Limnology ; Chemical speciation ; Anoxic basins ; Annual report
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 53-59
    Standort Signatur Erwartet Verfügbarkeit
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  • 71
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    The kinetics of calcite precipation and related processes (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5195 | 3949 | 2011-09-29 15:15:06 | 5195 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: This review is concerned with the kinetics of calcium carbonate formation and related processes which are important in many hard waters.
    Schlagwort(e): Chemistry ; Calcite ; Calcium carbonates ; Chemical precipitation ; Fresh water ; Geochemical cycle ; Annual report
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 75-90
    Standort Signatur Erwartet Verfügbarkeit
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  • 72
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    Treading in Mortimer's footsteps: the geochemical cycling of iron and manganese in Esthwaite water (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5193 | 3949 | 2011-09-29 15:15:03 | 5193 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: A study of the geochemical cycling of iron and manganese in a seasonally stratified lake, Esthwaite water is described. This work is based on speculative ideas on environmental redox chemistry of iron which were proposed by C.H. Mortimer in the 1940's. These observations have been verified and some speculations confirmed, along with a new understanding of the manganese cycle, and detailed information on the particulate forms of both iron and manganese. Details on the mechanisms and transformations of iron have also emerged.
    Schlagwort(e): Biology ; Chemistry ; Chemical precipitation ; Freshwater lakes ; Iron ; Manganese ; Oxidation ; Redox potential ; Reduction ; Stratification ; England ; Esthwaite Lake ; Annual report
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 91-101
    Standort Signatur Erwartet Verfügbarkeit
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  • 73
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    Long-term natural acidification of upland sites in Cumbria: Evidence from post-glacial lake sediments (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5197 | 3949 | 2011-09-29 15:15:33 | 5197 | Freshwater Biological Association
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: Studies by the Freshwater Biological Association over the last 25 years have supplied data relevant to the levels of acidity in local soils and water before the onset of industrial pollution and current interest in acid rain. This article reviews published analysis from cores of lake sediments, in or near the catchment of the River Duddon. Electron spin resonance spectra of humic acids and iodine values confirm evidence from pollen analysis for a history of progressive acidification of the source material of lake sediments since before 5000 radiocarbon years, in upland catchments of the Lake District. Processes involved included: removal of basic ions from soils by rainfall, the effects of which were intensified by removal by man of deciduous forest; acidification of soils and waters by decomposition products of Calluna and further acidification of waters by Sphagnum species which colonized habitats where drainage became impeded by paludification processes.
    Schlagwort(e): Biology ; Chemistry ; Earth Sciences ; Acid rain ; Acidification ; Freshwater lakes ; Lake Basins ; Lake deposits ; pH ; Palnology ; England ; Cumbria ; Annual report
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 28-46
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