Do dune sands redden with age? The case of the northwestern Negev dunefield, Israel
作者: Joel RoskinDan G. BlumbergNaomi PoratHaim TsoarOffer Rozenstein
作者单位: 1Dept. of Geography and Environmental Development, Ben-Gurion University of the Negev, P.O. Box 653, Beer-Sheva 84105, Israel
2Geological Survey of Israel, 30 Malkhe Israel St., Jerusalem 95501, Israel
3The Remote Sensing Laboratory, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sde Boker Campus 84990, Israel
刊名: Aeolian Research, 2012, Vol.5 , pp.63-75
来源数据库: Elsevier Journal
DOI: 10.1016/j.aeolia.2011.11.004
关键词: Sinai-Negev ergNorthwestern Negev dunefieldSand rednessSpectroscopic redness indexOSL
英文摘要: Abstract(#br)The redness index of aeolian sand has been shown to be a promising qualitative spectroscopic method to define sand grain redness intensity, which reflects the extent of iron-oxide quartz grain coatings. This study investigates the relationship between redness intensity and optically stimulated luminescence (OSL) based depositional ages of sand samples taken from exposed and fully-drilled vegetated linear dunes in the northwestern Negev dunefield, Israel.(#br)Sand redness intensity did not vary greatly along the Negev sand transport paths and dune sections dated to be active during the Late Pleistocene (∼18–11.5ka), Late Holocene, and modern times. No correlation was found between RI intensity (i.e., redness) and the depositional age of the sand.(#br)The...
全文获取路径: Elsevier  (合作)
影响因子:2.52 (2012)

  • redness 
  • redden 变红
  • sands 沙滩
  • northwestern 来自西北的
  • index 指标