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High Resolution Palaeoclimatic Changes in Selected Sectors of the Indian Himalaya by Using Speleothems - Anoop Kumar Singh

High Resolution Palaeoclimatic Changes in Selected Sectors of the Indian Himalaya by Using Speleothems

Past Climatic Changes Using Cave Structures
Buch | Softcover
XV, 146 Seiten
2019 | 1. Softcover reprint of the original 1st ed. 2018
Springer International Publishing (Verlag)
978-3-319-89252-8 (ISBN)
CHF 149,75 inkl. MwSt
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This thesis encompasses a study of past precipitation patterns based on six cave stalagmites from different parts of the Indian Himalaya. This is the first speleothem study in the Indian Himalaya that shows a direct relationship between past precipitation and the collapse of civilization. The stalagmites examined were KL-3 from Jammu and Kashmir; TCS and BR-1 from Himachal Pradesh; and DH-1, SA-1 and CH-1 from Uttarakhand. Based on the high-resolution palaeoclimatic reconstruction (35 U/th dates, 5 AMS dates, 1,500 samples for d18O and d13C values) obtained for the duration of the Pleistocene-Holocene transition (16.2-9.5 ka BP) and Mid-Holocene-Present (ca. 4.0 ka BP-Present), three major events were identified, namely the Older Dryas (OD), Bølling-Allerød (BA) period and Younger Dryas (YD) at ca. 14.3-13.9, 13.9-12.7 and 12.7-12.2 ka BP, respectively. The study showed a gradual reduction in the precipitation from 4 ka BP onwards for about a millennium with a peak arid period between3.2 and 3.1 ka BP. According to the findings, the LIA (Little Ice Age) covers a time span from 1622-1820 AD, during which the climate was wetter than that in the post-LIA period (1820-1950 AD). In addition, this thesis supports the assumption that the WDs (Western Disturbances) contribute significantly to the total rainfall in the Himalaya region.

Anoop Kumar Singh obtained M.Sc. and Ph.D. degrees in Geology from Kumaun University Nainital, Uttarakhand India. He has published nine research papers in peer-reviewed international journals and has earned over 15 impact points.

Introduction.- Speleothems and Climate.- Studied Speleothems and Methodology.- RESULTS.- Summary and Conclusion.

Erscheinungsdatum
Reihe/Serie Springer Theses
Zusatzinfo XV, 146 p. 56 illus., 46 illus. in color.
Verlagsort Cham
Sprache englisch
Maße 155 x 235 mm
Gewicht 259 g
Themenwelt Naturwissenschaften Geowissenschaften Geologie
Naturwissenschaften Geowissenschaften Meteorologie / Klimatologie
Naturwissenschaften Geowissenschaften Mineralogie / Paläontologie
Schlagworte Bølling-Allerød (BA) • Bølling-Allerød (BA) • hydrogeology • Indian Himalaya • Indian Summer Monsoon (ISM) • Indus-Harappan Civilization • Little Ice Age (LIA) • Older Dryas (OD) • Speleothems • U/Th Ages and StalAge Age/Depth Model • Variation in d18O and d13C Isotopes • Variation in δ18O and δ13C Isotopes • Westerlies • Younger Dryas (YD)
ISBN-10 3-319-89252-5 / 3319892525
ISBN-13 978-3-319-89252-8 / 9783319892528
Zustand Neuware
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