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  • 1
    Keywords: Earth sciences. ; Water. ; Hydrology. ; Freshwater ecology. ; Marine ecology. ; Geochemistry. ; Environment. ; Earth Sciences. ; Water. ; Freshwater and Marine Ecology. ; Geochemistry. ; Environmental Sciences. ; Earth Sciences.
    Description / Table of Contents: From the Contents: History of research on the geology and biology of the Kenya Rift lakes -- Geology of the Kenya Rift Valley -- Environmental setting of the Kenya Rift Valley -- Limnology and sedimentology of tropical lakes – a short introduction -- The Northern Kenya Rift -- The Central Kenya Rift -- Lake Victoria -- The Southern Kenya - Northern Tanzania Rift -- Small lakes and wetlands of the Kenya Rift.
    Abstract: This book is the first comprehensive account of the modern Kenya Rift Valley lakes and their precursor lakes preserved in the sedimentary record. The first part gives the broad geological and environmental background to the Kenya Rift and a history of research. In the second part, each modern lake is described from perspectives of geology, limnology, ecology, sedimentology and late Quaternary history. The fossil lake sediments, some linked to hominin sites, and their paleoenvironmental history are considered in the third part. In the fourth section, the global tectonic, volcanic and climate controls of lake evolution in continental rifts are examined. The last section discusses the resource potential of the lakes and their sediments, and the environmental issues that currently affect the modern lakes. This research-level book (geology, paleoecology) is illustrated throughout by original figures and photographs.
    Type of Medium: Online Resource
    Pages: XXVI, 977 p. 375 illus., 367 illus. in color. , online resource.
    Edition: 1st ed. 2023.
    ISBN: 9783642250552
    Series Statement: Syntheses in Limnogeology,
    DDC: 550
    Language: English
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  • 2
    ISSN: 1573-5117
    Keywords: Saline lakes ; brines ; carbonates ; chemical divides ; mudflats
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract There are more than 100 closed, saline lakes in the semiarid, intermontane plateaus of British Columbia. They range from shallow perennial lakes to ephemeral playas. Most are groundwater-fed and lie within glaciofluvial deposits and till. Some have permanent salts. Where underlain by basalts, sodium carbonate brines predominate. Magnesium sulphate brines occur where catchments lie within Paleozoic sedimentary rocks, metasediments and basic volcanics. A few sodium sulphate brines are also present. A reconnaissance study of the sediments and mineralogy of 21 lake basins has shown that carbonates, including extensive magnesite and hydromagnesite deposits, and several occurrences of protodolomite, are widely precipitated in lake basins of each brine type. Analyses of stream, spring, ground and lake waters from the Cariboo Plateau region demonstrate that carbonate precipitation probably constitutes the major chemical divide responsible for producing the two dominant types of brine.
    Type of Medium: Electronic Resource
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