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Pleistozaene Sandbewegungen und zyklische Wuestenausbreitung der mediterranen Kuestenebene von Israel

Description: Das Projekt "Pleistozaene Sandbewegungen und zyklische Wuestenausbreitung der mediterranen Kuestenebene von Israel" wird vom Umweltbundesamt gefördert und von Universität Köln, Geologisches Institut, Abteilung Quartärgeologie durchgeführt. The East Mediterranean Coastal Plain is composed mainly of alternating sands, soils and gravel of Pleistocene-Holocene age, indicating the alternation of marine, coastal and continental environments. Archaeological/geological surveys previously conducted on the coastal plain by the principal investigators, show that until modern times the sand layers had always been empty of human occupation. Archaeological remains are found only in the paleosols which have formed between successive episodes of sand accumulation. From a human geography point of view, then, in periods of sand accumulation the coastal plain turned into a virtual desert. An attempt will be made to interpret past desertification processes by assessing actual processes of sand transportation and accumulation on the Israeli Coast. For the first time reliable chronological framework will be obtained by means of systematic application of improved method of absolute dating. This project will bring both geological and archaeological evidence in close interaction so as to elucidate the impact of adverse natural events on human subsistence and survival from prehistoric times. Present-day pattern of sand migration and distribution of grain size, shape and mineralogy along the Mediterranean coast of Israel will be examined. Present-day sand pattern will be compared with past sand along 10 east-west geotraverses across the coastal plain. A more reliable chronological framework for sand accumulation and periods of soil formation will be developed by the application of systematic luminescence dating using a combination of OSL and TL techniques. The chronological information attained will then be used to correlate the terrestrial evidence with the ocean core record (deep sea and Mediterranean record).

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Origin: /Bund/UBA/UFORDAT

Tags: Köln ? Lumineszenz ? Paläoklimatologie ? Erosion ? Israel ? Datierung ? Kies ? Tiefsee ? Desertifikation ? Sand ? Landschaftswandel ? Vorderasien ? Naturereignis ? Anwendungstechnik ? Archäologie ? Bodenbildung ? Bohrkern ? Gesteinskunde ? Korngröße ? Mineralogie ? Wüste ? Trockengebiet ? Meeresgewässer ? Küstenregion ? Flachland ? Klima ? Klimaentwicklung ? Küste ? Stofftransport ? Verkehr ? Holozaen ? Pleistozaen ?

Region: Nordrhein-Westfalen

Bounding box: 6.76339° .. 6.76339° x 51.21895° .. 51.21895°

License: cc-by-nc-nd/4.0

Language: Deutsch

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Time ranges: 1997-01-01 - 1999-12-31

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