Academic literature on the topic 'Late Quaternary Africa'

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Journal articles on the topic "Late Quaternary Africa"

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Roberts, N., J. Deacon, and N. Lancaster. "Late Quaternary Palaeoenvironments of Southern Africa." Geographical Journal 155, no. 1 (March 1989): 118. http://dx.doi.org/10.2307/635393.

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SCHOLZ, CHRISTOPHER A., and BRUCE P. FINNEY. "Late Quaternary sequence stratigraphy of Lake Malawi (Nyasa), Africa." Sedimentology 41, no. 1 (February 1994): 163–79. http://dx.doi.org/10.1111/j.1365-3091.1994.tb01397.x.

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Meadows, M. E. "Late Quaternary peat accumulation in southern Africa." CATENA 15, no. 5 (October 1988): 459–72. http://dx.doi.org/10.1016/0341-8162(88)90064-1.

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Ramsay, Peter J., and J. Andrew G. Cooper. "Late Quaternary Sea-Level Change in South Africa." Quaternary Research 57, no. 1 (January 2002): 82–90. http://dx.doi.org/10.1006/qres.2001.2290.

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AbstractA Late Quaternary sea-level curve for South Africa is presented on the basis of new and published data from a range of sea level indicators and a variety of locations. Available evidence suggests that sea level in South Africa broadly follows that described from the Caribbean but that deviations occur during sea-level highstands. During the last interglaciation (oxygen isotope stage 5) and the late Holocene, coastal emergence produced higher sea levels in South Africa than those identified in the Caribbean during the same time intervals. This is tentatively ascribed to predicted lithospheric deformation in continental margin settings.
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Runge, Jürgen. "New results on Late Quaternary landscape and vegetation dynamics in eastern Zaire (Central Africa)." Zeitschrift für Geomorphologie Supplement Volumes 99 (September 13, 1995): 65–74. http://dx.doi.org/10.1127/zfgsuppl/99/1995/65.

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Scott, L. "Late quaternary forest history in Venda, Southern Africa." Review of Palaeobotany and Palynology 53, no. 1-2 (November 1987): 1–10. http://dx.doi.org/10.1016/0034-6667(87)90008-x.

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Narcisi, Biancamaria. "Late Quaternary Eolian Deposition in Central Italy." Quaternary Research 54, no. 2 (September 2000): 246–52. http://dx.doi.org/10.1006/qres.2000.2155.

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Records of eolian quartz from two continuous sediment sequences drilled in Lagaccione and Lago di Vico volcanic lakes in central Italy contribute to the knowledge of eolian deposition in the central Mediterranean during the last 100,000 years. The chronology is based on 14C and 40Ar/39Ar dating and tephra analysis. Pollen data provide the paleoenvironmental framework and enable correlation between the cores. Eolian inputs were high during the steppe phases corresponding to oxygen isotope stages 4 and 2. Low inputs correspond to the forest phases of the last interglacial and the middle Holocene. Eolian inputs have increased in the late Holocene. Patterns of eolian deposition in central Italy resemble the Antarctic dust record from the Vostok ice core. The Italian patterns may also correspond with hydrological changes registered in North Africa. The main source of dust loading over the Mediterranean now, North Africa, may have played an important role in dust supply throughout the last climatic cycle.
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Pokras, Edward M., and Alan C. Mix. "Eolian Evidence for Spatial Variability of Late Quaternary Climates in Tropical Africa." Quaternary Research 24, no. 2 (July 1985): 137–49. http://dx.doi.org/10.1016/0033-5894(85)90001-8.

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Study of the eolian fraction of late Quaternary sediments from the tropical Atlantic reveals that two modes of long-term climate variability have existed in tropical Africa during the last 150,000 yr. Tropical northwest Africa (i.e., the southwestern Sahara and Sahel) was driest during glaciations and stades, but wetter than at present during interglaciations and interstades. This may be a response to ice sheets at higher latitudes, via equatorward displacement of the westerlies and the subtropical high. In contrast, central equatorial Africa (southeast of the Sahara) was most arid during interstades and times of ice growth, and most humid during deglaciation. Wet periods in this area correspond to insolation maxima in northern hemisphere summer. A 23,000-yr precessional rhythm is suggested, supporting a direct link between African Monsoon intensity and orbitally modulated insolation. The late Holocene is the only time observed when both areas are arid during an interglacial episode. This may reflect, in part, anthropogenic disturbance of late Holocene climates.
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Osmaston, Henry A., and Sandy P. Harrison. "The Late Quaternary glaciation of Africa: A regional synthesis." Quaternary International 138-139 (September 2005): 32–54. http://dx.doi.org/10.1016/j.quaint.2005.02.005.

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Thackeray, J. F. "Temperature Indices from Late Quaternary Sequences in South Africa." South African Geographical Journal 72, no. 2 (September 1990): 47–49. http://dx.doi.org/10.1080/03736245.1990.10586374.

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Dissertations / Theses on the topic "Late Quaternary Africa"

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Irving, Suzanne Judy Emma. "Late quaternary palaeoenvironments at Vankervelsvlei, near Knysna, South Africa." Master's thesis, University of Cape Town, 1998. http://hdl.handle.net/11427/10714.

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This dissertation outlines the results of a study undertaken to describe the environmental history of Vankervelsvlei, a schwingmoor-type bog near Knysna on the south coast of South Africa. The study relies heavily on the use of fossil pollen as an indicator of vegetation change from which environmental conditions are inferred. Several additional lines of evidence including sedimentological and geochemical data are used to corroborate pollen findings. The narrative of environmental change at the site has been compared with findings from other palaeoecological studies undertaken in the area. Particular reference has been made to the expansion and contraction of afromontane forest vegetation over time to add to existing knowledge of forest history in Southern Africa.
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Bergner, Andreas G. N. "Lake-level fluctuations and Late Quaternary climate change in the Central Kenya Rift." Phd thesis, Universität Potsdam, 2003. http://opus.kobv.de/ubp/volltexte/2005/107/.

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Diese Arbeit beschäftigt sich mit der Rekonstruktion von Klima in historischen Zeiten im tropischen Ostafrika. Nach einer Übersicht über die heutigen klimatischen Bedingungen der Tropen und den Besonderheiten des ostafrikanischen Klimas, werden die Möglichkeiten der Klimarekonstruktion anhand von Seesedimenten diskutiert. Es zeigt sich, dass die hoch gelegenen Seen des Zentralen Keniarifts, als Teil des Ostafrikanischen Grabensystems, besonders geeignete Klimaarchive darstellen, da sie sensibel auf klimatische Veränderungen reagieren. Veränderungen der Seechemie, wie sie in den Sedimenten aufgezeichnet werden, eignen sich um die natürlichen Schwankungen in der Quartären Klimageschichte Ostafrikas nachzuzeichnen. Basierend auf der guten 40Ar/39Ar- und 14C-Datierbarkeit der Seesedimente wird eine Chronologie der paläoökologischen Bedingungen anhand von Diatomeenvergesellschaftungen restauriert. Dabei zeigen sich für die Seen Nakuru, Elmenteita und Naivasha kurzfristige Transgression/ Regressions-Zyklen im Intervall von ca. 11.000 Jahren während des letzten (ca. 12.000 bis 6.000 J.v.H.) und vorletzten Interglazials (ca. 140.000 bis 60.000 J.v.H.). Zusätzlich kann ein allgemeiner, langfristiger Trend der Seeentwicklung von großen Frischwasserseen hin zu stärker salinen Gewässern innerhalb der letzen 1 Mio. Jahre festgestellt werden. Mittels Transferfunktionen und einem hydro-klimatischen Modellansatz können die restaurierten limnologischen Bedingungen als klimatische Schwankungen des Einzugsgebietes interpretiert werden. Wenngleich auch der zusätzliche Einfluss von tektonischen Veränderungen auf das Seeeinzugsgebiet und das Gewicht veränderter Grundwasserströme abgewogen werden, zeigt sich, dass allein geringfügig erhöhte Niederschlagswerte von ca. 30±10 % zu dramatischen Seespiegelanstiegen im Zentralen Keniarift führen. Aufgrund der etablierten hydrrologisch-klimatischen Wechselwirkungen werden Rückschlüsse auf die natürliche Variabilität des ostafrikanischen Klimas gezogen. Zudem wird die Sensitivität der Keniarift-Seen in Bezug auf die Stärke der äquatorialen Insolation und hinsichtilch variabler Oberflächenwassertemperaturen des Indischen Ozeans bewertet.
In this work, an approach of paleoclimate reconstruction for tropical East Africa is presented. After giving a short summary of modern climate conditions in the tropics and the East African climate peculiarity, the potential of reconstructing climate from paleolake sediments is discussed. As demonstrated, the hydrologic sensitivity of high-elevated closed-basin lakes in the Central Kenya Rift yields valuable guaranties for the establishment of long-term climate records. Temporal fluctuations of the limnological characteristics saved in the lake sediments are used to define variations in the Quaternary climate history. Based on diatom analyses in radiocarbon- and 40Ar/39Ar-dated sediments, a chronology of paleoecologic fluctuations is developed for the Central Kenya Rift -lakes Nakuru, Elmenteita and Naivasha. At least during the penultimate interglacial (around 140 to 60 kyr BP) and during the last interglacial (around 12 to 4 kyr BP), these lakes experienced several transgression-regression cycles on time intervals of about 11,000 years. Additionally, a long-term trend of lake evolution is found suggesting the general succession from deep freshwater lakes towards more saline waters during the last million years. Using ecologic transfer functions and a simple lake-balance model, the observed paleohydrologic fluctuations are linked to potential precipitation-evaporation changes in the lake basins. Though also tectonic influences on the drainage pattern and the effect of varied seepage are investigated, it can be shown that already a small increase in precipitation of about 30±10 % may have affected the hydrologic budget of the intra-rift lakes within the reconstructed range. The findings of this study help to assess the natural climate variability of East Africa. They furthermore reflect the sensitivity of the Central Kenya Rift -lakes to fluctuations of large-scale climate parameters, such as solar radiation and sea-surface temperatures of the Indian Ocean.
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Rowell, Alexandra. "Sand ramps as late Quaternary palaeoenvironmental archives : analysis from southern Africa." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:ce5b7e85-41a6-4582-96bb-12e74284e1e6.

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Sand ramps are widespread but understudied landforms which have the potential to provide detailed palaeoenvironmental information in dryland regions. This thesis investigates the utility of sand ramps as late Quaternary palaeoenvironmental archives by addressing two research questions: (1) What are the main controls on sand ramp formation in southern Africa? (2) What does the sand ramp record tell us about late Quaternary palaeoenvironments in southern Africa? The distribution of sand ramps in southern Africa was surveyed using Google Earth™ and 75 features were identified in southern Namibia. Ten of these sand ramps, and an additional feature from South Africa, were studied in the field. Sediments and morphology were mapped and a total of 64 OSL dates, 96 sediment samples, 10 heavy mineral assemblages and OSL sensitivity data from 8 samples were examined. The distribution of sand ramps suggests formation is dependent on (1) sediment supply, (2) accommodation space, (3) persistent unidirectional wind and (4) a variable semi-arid to arid climate. Chronologies and sediment analyses indicate individual sand ramp accumulation is locally controlled by sediment supply modulated by the availability, and nature, of the accommodation space. Comparison between the Namibian and South African sand ramps suggests considerable regional variation in the factors controlling sediment supply. The Namibian sand ramps show an affinity to local ephemeral river channels. Periods of dated sand ramp activity in multiple features are interpreted as periods of increased regional fluvial activity. Significant activity occurred at ~21-12 ka (with peaks at 21-18.5 ka and 14.5-12 ka), ~8.5-7.5 ka and ~2 ka. Some activity is also indicated at 85-65 ka and 45-35 ka. These results correspond well to regional records. Overall, this study demonstrates that sand ramps can provide palaeoclimatic information on both the local and regional scale but only if a number of caveats are taken into consideration.
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Stone, Abigail E. C. "Multi-proxy reconstructions of late quaternary environments in Western Southern Africa." Thesis, University of Oxford, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.517019.

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Baxter, Andrew James. "Late quaternary palaeoenvironments of the Sandveld, Western Cape Province, South Africa." Doctoral thesis, University of Cape Town, 1997. http://hdl.handle.net/11427/13880.

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Summary in English.
Bibliography: leaves 263-292.
This thesis presents new palaeoenvironmental evidence from the semi-arid lowlands of the West Coast Sandveld, which prompts a fresh synthesis as to the nature of late Quaternary environmental changes in the southwestern Cape's fynbos biome. The study is centred on Verlorenvlei, a remote coastal lake and swamp system which is ideally situated to investigate the complex interactions between late Holocene climate change, vegetation change, sea-level fluctuation, lacustrine/estuarine/fluvial sedimentology and human activity in the Sandveld region. In addition, this region of the West Coast has provided Quaternary scientists with a rich archaeological record against which independent lines of palaeoecological evidence can be evaluated. In support of the study, a wide range of palaeoenvironmental techniques has been applied to sediments sampled from the Verlorenvlei area. Organogenic deposits have been radiocarbondated and subjected to pollen analysis and assorted sedimentological and geoarchaeological assessments. Preliminary fossil pollen data from Elands Bay Cave, assembled for the period following the Last Glacial Maximum until approximately the terminal Pleistocene, are suggestive of moister and possibly cooler conditions in the Sandveld at this time. This is in contrast to prevailing evidence from the summer rainfall region of the subcontinent. Particle size analysis and an assessment of the in situ fossil Mollusca from vibracores, derived from the estuarine reaches of Verlorenvlei, reveal substantive evidence for rapid sea-level fluctuations along the West Coast during the mid-Holocene. Further inland, several mid-Holocene higher sea-levels are reflected in the palynology of lacustrine cores derived from Grootdrift and Klaarfontein. Detailed pollen diagrams, presented from Grootdrift, Klaarfontein, Muisbosskerm and Spring Cave, reflect the regional vegetation history during several periods over the last 7 000 years. There is convincing evidence from these data that the first half of the Holocene - commensurate with the Holocene hypsithermal - was associated with reduced moisture availability, and hence arid conditions along the West Coast. By contrast, there is evidence from the latter half of the Holocene that conditions ameliorated in the Sandveld around 3 000 BP and that moisture was, at this time more freely available. Following a hiatus in sedimentation some time after 4 000 BP, marine conditions are no longer visible in Verlorenvlei, having been replaced by fresh water as the dominant hydrological regime. A high resolution palynological investigation of the Grootdrift wetland sediments has contributed to a detailed palaeolimnological reconstruction of the upper Verlorenvlei system since the time of colonial expansion into the area, some 300 years ago. The picture reveals a sequence of rapid ecological changes in the face of progressive human disturbance. Arising from these insights, a number of recommendations for the management of dryland aquatic ecosystems such as Verlorenvlei, are presented. The significance of these late Quaternary palaeoenvironmental changes, in terms of the biogeography of plants and animals and also in terms of human occupation of the region, is examined.
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Chevalier, Manuel. "Quantified Reconstructions of late Quaternary southern African Climate Change." Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS281.

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Southern African drylands are not suited for the application of climate reconstruction methods based on surface samples. Methods based on the co-existence approach, while still in their early days, are really promising, particularly those using probability density functions (pdfs) that have proven particularly valuable in certain cases as they can be applied to a wide range of plants assemblages. Most commonly applied to fossil pollen data, their performance can be limited by the taxonomic resolution of the pollen data, as many species may belong to a given pollen-type. Consequently, climate information associated with a taxon cannot always be precisely identified, resulting in less accurate reconstructions. This can become particularly problematic in regions of high biodiversity, such as southern African botanical hotspots. The first part of this PhD thesis presents the development of a novel pdf-based climate reconstruction method adapted to the southern African context. The method, which comes along with a dedicated software pack- age entitled CREST, sorts out this diversity issue by taking into account the different climatic requirements of each species constituting the broader pollen-type: pdfs are fitted in two successive steps, with parametric univariate pdfs fitted first for each species (pdfsp) followed by a combination of those individual species pdfs into a broader single pdf to represent the pollen-type as a unit (pdfpol). The curve resulting from the multiplication of the pdfpol describes the likelihood of different climate parameters based on the co-existence of a given set of taxa, each being weighted according to its normalized pollen percentage. Three majors properties were derived from this continental-scale statistical analysis: 1) the method saturates when the number of species composing a pollen type becomes larger than 30-40 species, 2) the per- formance decreases with distance to the core of the climatic space and 3) climate variables that have a direct impact of plant life cycles are better reconstructed.We revisited 13 pollen sequences (selection based on their length, continuity, chronology and pollen diversity) from southern African literature with the CREST method. To offset the limited individual potential of those sequences, we developed a Monte-Carlo framework to create interpolated curves integrating uncertainties associated with the reconstructions and age-depth models and then stack those curves together to extract regionally consistent patterns. This reanalysis allows for the quantified reconstruction of a range of distinct climatic variables from this critical region, and provides significant insight into the nature of long-term climate change. Temperature reconstructions show strong coherency among all sites considered, and parallel southwest Indian Ocean SSTs. Reconstructions of the amount of summer precipitation since mid-MIS 3 (Marine Isotope Stage 3) 45,000 years ago indicate a dichotomy in the precipitation pattern between interior and northeastern South African sites. At the glacial-interglacial timescale, precipitation in northeastern sites shows strong similarities with the Indian Ocean SST records as well as with records from the large East African lakes. Entering the Holocene, precessional forcing becomes more important and a north/south rainfall dipole appears, with a demarcation line located somewhere between Lakes Tanganyika and Malawi (3-9°S). Sites from the interior, while clearly following a similar dynamic, also appear to be sensitive to additional factors, including the position of the southern Westerlies, which may interact with tropical systems to create tropical-temperate troughs. Our results shed light on the complexity of the mechanisms driving South African rainfall, and clarify several key elements of the current debate, including limitations of models relying on direct insolation forcing to explain long-term climate dynamics
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Dunajko, Adam C. "Mid- to Late-Quaternary evolution of the Wilderness Barrier dunes, South Africa." Thesis, University of Sheffield, 2011. http://etheses.whiterose.ac.uk/1998/.

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Barrier dunes represent potentially long-term, but complex, archives of coastal evolution. The examples occupying the Wilderness embayment, on the southern Cape coast of South Africa, form a regionally unique system of three shore-parallel barriers reaching up to 200 m in height and extending up to ~32 km alongshore. This research combines chronological and sediment provenance analyses to reconstruct the emplacement and evolution of the Wilderness barrier dunes through the Mid- to Late-Quaternary. Thirty-six new luminescence ages collected from ten sites across the three Wilderness barriers are presented, and are combined with a compilation of dates from the literature to produce a high-resolution chronology of barrier accumulation. The record spans at least the last two glacial-interglacial cycles, with notable phases between 245-217 ka, 155-143 ka, 128-121 ka, 91-86 ka and post-6 ka. Analysis of trace element geochemistry, heavy minerals, particle size, carbonate content and offshore topographic evidence all combine to indicate the provenance of the barrier sands has remained constant throughout their formation, and must involve marine transport pathways. The hypothesis that barrier accumulation at Wilderness during periods of low sea level was sustained by terrestrial aeolian activity is thus disproven, and evidence for a regional pre-MIS 5 marine transgression is provided. The terrestrially derived fraction of the barrier sands predominantly comprises quartzitic material derived from Table Mountain Group (TMG) rocks, most likely sourced from the Gouritz River ~75 km west of Wilderness. In addition to sediment from the TMG, the barrier sands also contain contributions of material derived from local geology, of material recycled from previous generations of aeolianite, and of authigenic marine sediment. The extensive coversand deposits inland of the Wilderness embayment, dated to >1.6 Ma using isothermal thermoluminescence, are demonstrated not to have made any significant input of sediment to the barriers. The Wilderness barriers record a complex history of erosion, as well as deposition through the Mid- to Late-Quaternary, and the preserved record clearly reflects the influence of local nearshore bathymetry on the rate of sea-level regression. The importance of previous generations of aeolianite in both fixing the position of subsequent depositional episodes, and protecting them from erosion, is also evident. The barriers exhibit similar behaviour to deposits on tectonically stable coastlines elsewhere, and contrast with the more complete and widely spaced barrier records present on uplifting coasts.
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Itambie, Achakie Cletus. "Rock magnetic and geochemical signals of late Quaternary climate variability over northwest Africa." lizenzfrei, 2008. http://nbn-resolving.de/urn:nbn:de:gbv:46-diss000111701.

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Chase, Brian. "Late Quaternary palaeoenvironments of the west coast of South Africa : the aeolian record." Thesis, University of Oxford, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.423345.

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McMillan, I. K. "Late Quaternary foraminifera from the southern part of offshore south west Africa/Namibia." Thesis, Aberystwyth University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239620.

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Books on the topic "Late Quaternary Africa"

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1948-, Lancaster Nicholas, ed. Late Quaternary palaeoenvironments of southern Africa. Oxford [England]: Clarendon Press, 1988.

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John, Bower, Lubell David, and Society of Africanist Archaeologists in America., eds. Prehistoric cultures and environments in the late Quaternary of Africa. Oxford, England: B.A.R., 1988.

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Tropical and sub-tropical West Africa - Marine and continental changes during the Late Quaternary, Volume 10 (Developments in Quaternary Sciences) (Developments in Quaternary Sciences). Elsevier Science, 2007.

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Tropical and Sub-Tropical West Africa - Marine and Continental Changes During the Late Quaternary. Elsevier, 2008. http://dx.doi.org/10.1016/s1571-0866(08)x8001-7.

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1931-, Kadomura Hiroshi, and Hokkaidō Daigaku. Kankyō Kagaku Kenkyūka. Kankyō-Kisogaku Kenkyūshitsu., eds. Geomorphology and environmental changes in tropical Africa: Case studies in Cameroon and Kenya : a preliminary report of the tropical African geomorphology and late-Quaternary palaeoenvironments research project 1984/85. Sapporo, Japan: Laboratory of Fundamental Research, Division of Environmental Structure, Graduate School of Environmental Science, Hokkaido University, 1986.

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Hiroshi, Kadomura, and Tropical African Geomorphology and Late-Quaternary Palaeoenvironments Research Project., eds. Geomorphology and environmental changes in Tropical Africa: Case studies in Cameroon and Kenya : a preliminary report of the Tropical AfricanGeomorphology and Late-Quaternary Palaeoenvironments Research Project 1984/85. Hokkaido: Laboratory of Fundamental Research, Division of Environmental Structure, Graduate School of Environmental Science, Hokkaido University, 1986.

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1931-, Kadomura Hiroshi, and Bingham Mike G, eds. A Preliminary report of the Tropical African Geomorphology and Late-Quaternary Palaeoenvironments Research Project (TAGELAQP) 1987/88. [Tokyo]: Dept. of Geography, Faculty of Science, Tokyo Metropolitan University, 1989.

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Book chapters on the topic "Late Quaternary Africa"

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Mirazón Lahr, Marta, and Robert A. Foley. "Human Evolution in Late Quaternary Eastern Africa." In Africa from MIS 6-2, 215–31. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-017-7520-5_12.

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Umer, Mohammad, Dagnachew Legesse, Françoise Gasse, Raymonde Bonnefille, Henry F. Lamb, Melanie J. Leng, and Angela A. Lamb. "Late Quaternary climate changes in the Horn of Africa." In Past Climate Variability through Europe and Africa, 159–80. Dordrecht: Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-1-4020-2121-3_9.

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Knight, Jasper, and Jennifer M. Fitchett. "Climate Change During the Late Quaternary in South Africa." In World Regional Geography Book Series, 37–45. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-94974-1_5.

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Burrough, Sallie L. "Late Quaternary Environmental Change and Human Occupation of the Southern African Interior." In Africa from MIS 6-2, 161–74. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-017-7520-5_9.

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Grine, Frederick E. "The Late Quaternary Hominins of Africa: The Skeletal Evidence from MIS 6-2." In Africa from MIS 6-2, 323–81. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-017-7520-5_17.

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Zouari, Hedi, Achraf Zouari, and Fehmy Belghouthi. "Compressional Tectonics Since Late Maastrichtian to Quaternary in Tunisian Atlas." In The Structural Geology Contribution to the Africa-Eurasia Geology: Basement and Reservoir Structure, Ore Mineralisation and Tectonic Modelling, 233–35. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01455-1_50.

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Carr, Andrew S., Brian M. Chase, and Alex Mackay. "Mid to Late Quaternary Landscape and Environmental Dynamics in the Middle Stone Age of Southern South Africa." In Africa from MIS 6-2, 23–47. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-017-7520-5_2.

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Gasse, Françoise, and C. Neil Roberts. "Late Quaternary Hydrologic Changes in the Arid and Semiarid Belt of Northern Africa." In Advances in Global Change Research, 313–45. Dordrecht: Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-1-4020-2944-8_12.

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Fontes, J. Ch, and F. Gasse. "Chronology of the major palaeohydrological events in NW Africa during the late Quaternary: PALHYDAF results." In Environmental History and Palaeolimnology, 367–72. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3592-4_47.

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Zouari, Achraf, Hedi Zouari, and Fehmy Belghouthi. "Aptian-Albian Diapirism and Compressional Tectonics Since Late Maastrichtian to Quaternary in Mateur-Tebourba Region (Northern Tunisian Atlas)." In The Structural Geology Contribution to the Africa-Eurasia Geology: Basement and Reservoir Structure, Ore Mineralisation and Tectonic Modelling, 289–91. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01455-1_63.

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Conference papers on the topic "Late Quaternary Africa"

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Scholz, Christopher A. "Advancing Models of Facies Variability and Lacustrine Source Rock Accumulation in Rifts: Implications for Exploration." In SPE/AAPG Africa Energy and Technology Conference. SPE, 2016. http://dx.doi.org/10.2118/afrc-2577056-ms.

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ABSTRACT Important syn-rift hydrocarbon discoveries in the Tertiary East African Rift and in the South Atlantic subsalt basins have in recent years promoted renewed interest in the variability of source and reservoir rock facies in continental rifts. This talk considers several important new observations and developments in our understanding of the sedimentary evolution of lacustrine rift basins. Offshore subsalt basins in the South Atlantic demonstrate the importance of lacustrine carbonates, and especially microbialites, as reservoir facies in extensional systems. The role of rift-related magmatism is significant in these basins, both as drivers of hydrothermal systems around and within rift lakes, and as a source of solutes that facilitate carbonate accumulations. In the Tertiary East African Rift, substantial new hydrocarbon resources have been identified, including onshore siliciclastic reservoirs in remarkably young and shallow parts of the sedimentary section in the Albertine Graben. Rollover anticlines and fault-related folds serve as important structures for several new fields in the East African Rift, but larger structures affiliated with accommodation zones, in many instances located far offshore in the modern lakes, remain untested. Lacustrine source rocks that accumulated in stratified lake basins are the source of the oil and gas in these systems, however there is still much to be learned about their spatial and temporal variability. There is observed considerable variation in the character of organic matter on the floors of modern African lake basins, even adjacent ones. A number of factors likely govern the amount of total organic carbon preserved within the basins. These include 1) primary productivity; 2) degree of siliciclastic dilution, which is controlled in part by offshore slopes and the extent of onshore catchments, and 3) physical limnology, controlled by climate and basin-scale physiography, and the fetch-depth ratio of the lakes, which determines the likelihood of water column stratification. Scientific drilling in the African Rift lake basins is providing considerable information on the high temporal hydroclimate variability of the region, especially in the later Tertiary and Quaternary, which substantially controls basin lithofacies.
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