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Ramisch, Arne; Lockot, Gregori; Haberzettl, Torsten; Hartmann, Kai; Kuhn, Gerhard; Lehmkuhl, Frank; Schimpf, Stefan; Schulte, Philipp; Stauch, Georg; Wang, Rong; Wünnemann, Bernd; Yan, Dada; Zhang, Yongzhan; Diekmann, Bernhard (2016): Bulk mineralogy and membership degrees of sediments from the Heihai lake area [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.860017, Supplement to: Ramisch, A et al. (2016): A persistent northern boundary of Indian Summer Monsoon precipitation over Central Asia during the Holocene. Scientific Reports, 6, 25791, https://doi.org/10.1038/srep25791

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Abstract:
Extra-tropical circulation systems impede poleward moisture advection by the Indian Summer Monsoon. In this context, the Himalayan range is believed to insulate the south Asian circulation from extra-tropical influences and to delineate the northern extent of the Indian Summer Monsoon in central Asia. Paleoclimatic evidence, however, suggests increased moisture availability in the Early Holocene north of the Himalayan range which is attributed to an intensification of the Indian Summer Monsoon. Nevertheless, mechanisms leading to a surpassing of the Himalayan range and the northern maximum extent of summer monsoonal influence remain unknown. Here we show that the Kunlun barrier on the northern Tibetan Plateau [~36°N] delimits Indian Summer Monsoon precipitation during the Holocene. The presence of the barrier relocates the insulation effect 1,000 km further north, allowing a continental low intensity branch of the Indian Summer Monsoon which is persistent throughout the Holocene. Precipitation intensities at its northern extent seem to be driven by differentiated solar heating of the Northern Hemisphere indicating dependency on energy-gradients rather than absolute radiation intensities. The identified spatial constraints of monsoonal precipitation will facilitate the prediction of future monsoonal precipitation patterns in Central Asia under varying climatic conditions.
Project(s):
Permafrost Research (Periglacial Dynamics) @ AWI (AWI_PerDyn)
Coverage:
Median Latitude: 35.994456 * Median Longitude: 93.241216 * South-bound Latitude: 35.887590 * West-bound Longitude: 92.961370 * North-bound Latitude: 36.113170 * East-bound Longitude: 93.316558
Date/Time Start: 2011-08-28T12:00:00 * Date/Time End: 2012-08-23T12:00:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
17 datasets

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Datasets listed in this publication series

  1. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): (Fig. 2c) Membership degrees of Heihai catchment sediments to mineralogical cluster C1 to C4. https://doi.org/10.1594/PANGAEA.860008
  2. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): Bulk mineralogy of Heihai catchment sediments. https://doi.org/10.1594/PANGAEA.859999
  3. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): Bulk mineralogy of Heihai lake bottom sediments. https://doi.org/10.1594/PANGAEA.860000
  4. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): (Fig. 3a) Membership degrees of Heihai lake-bottom surface sediments to mineralogical cluster C1 to C4. https://doi.org/10.1594/PANGAEA.860009
  5. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): (Fig. 4b) Membership degrees of Heihai sediment core to mineralogical cluster C2 vs. Age. https://doi.org/10.1594/PANGAEA.860016
  6. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): (Fig. 3b) Membership degrees of Heihai sediment core PG2057-1 to mineralogical cluster C1 to C4. https://doi.org/10.1594/PANGAEA.860010
  7. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): Bulk mineralogy of Heihai lake sediment core PG2057-1. https://doi.org/10.1594/PANGAEA.860001
  8. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): (Fig. 3b) Membership degrees of Heihai sediment core PG2059-1 to mineralogical cluster C1 to C4. https://doi.org/10.1594/PANGAEA.860011
  9. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): Bulk mineralogy of Heihai lake sediment core PG2059-1. https://doi.org/10.1594/PANGAEA.860002
  10. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): (Fig. 3b) Membership degrees of Heihai sediment core PG2059-2 to mineralogical cluster C1 to C4. https://doi.org/10.1594/PANGAEA.860012
  11. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): Bulk mineralogy of Heihai lake sediment core PG2059-2. https://doi.org/10.1594/PANGAEA.860003
  12. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): (Fig. 3b) Membership degrees of Heihai sediment core PG2060-1 to mineralogical cluster C1 to C4. https://doi.org/10.1594/PANGAEA.860013
  13. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): Bulk mineralogy of Heihai lake sediment core PG2060-1. https://doi.org/10.1594/PANGAEA.860004
  14. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): (Fig. 3b) Membership degrees of Heihai sediment core PG2061-1 to mineralogical cluster C1 to C4. https://doi.org/10.1594/PANGAEA.860014
  15. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): Bulk mineralogy of Heihai lake sediment core PG2061-1. https://doi.org/10.1594/PANGAEA.860005
  16. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): (Fig. 3b) Membership degrees of Heihai sediment core PG2061-2 to mineralogical cluster C1 to C4. https://doi.org/10.1594/PANGAEA.860015
  17. Ramisch, A; Lockot, G; Haberzettl, T et al. (2016): Bulk mineralogy of Heihai lake sediment core PG2061-2. https://doi.org/10.1594/PANGAEA.860006