A Holocene pollen record from the northwestern Himalayan lake Tso Moriri: Implications for palaeoclimatic and archaeological research

Leipe, Christian; Demske, Dieter; Tarasov, Pavel E.

doi:10.1016/j.quaint.2013.05.005

Cited by 162 publications

(103 citation statements)

References 97 publications

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“…Western and NW Himalayas also show evidence of lower moisture availability during the mid-to late-Holocene from ~2700 cal yr BP to the present (Leipe et al, 2014;Mishra et al, 2015;Demske et al, 2016). According to our findings, the period between ~2700 to ~1000 cal yr BP was the most arid time period in the Banni with the climate ameliorating slightly after this towards the present (Fig 5).…”

supporting

confidence: 70%

Mid-late Holocene vegetation response to climatic drivers and biotic disturbances in the Banni grasslands of western India

Pillai

Anoop

Sankaran

et al. 2017

Palaeogeography, Palaeoclimatology, Palaeoecology

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Citation:Pillai AAS, Anoop A, Sankaran M, Sanyal P, Jha DK and Ratnam J (2017) AbstractTropical grasslands and savannas are globally extensive, and are of significant environmental, economic, and ecological importance. These ecosystems are anticipated to be particularly sensitive to future changes in climate, and understanding how these systems have responded to climatic changes in the past can provide us with insights into their potential responses to future global change. In this study, the temporal dynamics of C3-C4 vegetation changes in response to changes in moisture availability, local fire events and changing levels of herbivory in a summer-rainfall region of Western India are reconstructed for the past ~4600 cal yr BP. Paleodata such as stable carbon isotope of bulk organic matter ( 13 Corg), oxygen isotope from carbonate shells ( 18 Oshell), macro-charcoal and herbivore dung fungal spores are reported from the retrieved cores of two wetland sites located in the Banni grasslands of Western India. Results show that vegetation in the Banni was composed mostly of C3 vegetation from ~4600 to ~2500 cal yr BP, after which there was a decline in C3vegetation. From the late-Holocene to the present, there was a mix of both C3 and C4 vegetation, with C4 grasses being more abundant in the ecosystem. These shifts were coincident with rainfall changes from more mesic conditions during ~4600 to ~2500 cal yr BP to more arid conditions towards the present as indicated by 18 Oshell isotope data. The period of increase in C4 vegetation also coincides with a period of increased biotic disturbances in the ecosystem, particularly fire. Given the current scenarios of global warming, recurrent drought events and increased anthropogenic use of similar ecosystems, such studies can provide us insights into potential future trajectories of these ecosystems.3

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supporting

confidence: 70%

Mid-late Holocene vegetation response to climatic drivers and biotic disturbances in the Banni grasslands of western India

Pillai

Anoop

Sankaran

et al. 2017

Palaeogeography, Palaeoclimatology, Palaeoecology

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“…Modern investigations using ICESat/GLAS (The Ice Cloud and Land Elevation Satellite carrying the Geoscience Laser Altimeter System) reveal that Tso Moriri Lake level was falling at the rate of 0.119 m/y during 2003-2009 AD (Srivastava et al, 2013) due to higher evaporation (Lesher, 2011). A large alluvial fan to the south limits the lake level (Leipe et al, 2014b), and a former outlet in the south has been reported by Gujja et al (2003) and Panigrahy et al (2012). This, combined with the facts that Tso Moriri is not a saline lake and a higher palaeoshoreline exists ca.…”

Section: Hydrology and Hydrochemistrymentioning

confidence: 68%

“…This, combined with the facts that Tso Moriri is not a saline lake and a higher palaeoshoreline exists ca. 7 m above the present lake level (Leipe et al, 2014b), suggests that the past lake level could have been affected either through overflow or groundwater loss.…”

Section: Hydrology and Hydrochemistrymentioning

confidence: 99%

“…3) further excluding any possibility of contamination by detrital carbonate. Leipe et al (2014b) have raised the possibility of outflow/overflow from the Lake Tso Moriri in Holocene and even recent times. The latter has not been confirmed by the authors' (AJ and ARY) observations in this region.…”

Section: Possible Factors Influencing the Isotopic Composition Of Thementioning

confidence: 99%

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Carbonate isotopes from high altitude Tso Moriri Lake (NW Himalayas) provide clues to late glacial and Holocene moisture source and atmospheric circulation changes

Mishra

Prasad

Anoop

et al. 2015

Palaeogeography, Palaeoclimatology, Palaeoecology

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“…Although various archive-proxy based palaeoclimatic researches through Pleistocene-Holocene transition are available from the Indian Himalaya [24][25][26][27][28][29][30][31][32][33][34][35][36][37][38] but the poorly dated profiles obstructs their being most ideal high resolution records except for the Tsokar and Tso Moriri multi-proxy high resolution studies [39][40][41] respectively. Further, precisely dated stalagmite based multi-decadal records are rare through the Late Pleistocene-Holocene transition [42] although δ 18 O precipitation variability during Middle to Late Holocene has been obtained through U/Th dated speleothems [21,22,43,44].…”

Section: Introductionmentioning

confidence: 99%

Stalagmite Inferred High Resolution Climatic Changes through Pleistocene-Holocene Transition in Northwest Indian Himalaya

Kotlia

Singh

Sanwal

et al. 2016

J Earth Sci Clim Change

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Investigated for d 18 O and d 13 C isotopes, mineralogy and growth rate, a 20 cm long and 230Th-dated calcite stalagmite from Kalakot (Jammu and Kashmir Himalaya), has recorded high resolution precipitation variability during the Pleistocene-Holocene transition. At present, the study area is influenced by both the Indian Summer Monsoon (ISM) and Westerlies. The StalAge model indicates that the stalagmite grew between 16.3 ka to 9.5 ka BP under the ideal isotopic equilibrium conditions as revealed by the Hendy test results. The d18 O and d 13 C values range from -5.41 to -8.82% and -7.09 to -10.84% respectively. Although the U/Th chronology is poor due to low Uranium content in the samples resulting in relatively large errors, the first stalagmite inferred precipitation variability reconstructed from NW Indian Himalaya makes this study significant. The near footprints of three global events, e.g., Older Dryas (OD), Allerød period and Younger Drays (YD) can be noticed at ~14.3-13.9, 13.9-12.7 and 12.7-12.2 ka BP. The precipitation strength was weaker during the OD and YD, but was stronger during the Allerød interstadial. By the termination of YD interval, the climate seems fluctuating in the NW Himalaya. There seems variation in commencement, duration and termination of the above mentioned events in different parts of the globe due to latitude location and response time.

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A Holocene pollen record from the northwestern Himalayan lake Tso Moriri: Implications for palaeoclimatic and archaeological research

Cited by 162 publications

References 97 publications

Mid-late Holocene vegetation response to climatic drivers and biotic disturbances in the Banni grasslands of western India

Mid-late Holocene vegetation response to climatic drivers and biotic disturbances in the Banni grasslands of western India

Carbonate isotopes from high altitude Tso Moriri Lake (NW Himalayas) provide clues to late glacial and Holocene moisture source and atmospheric circulation changes

Stalagmite Inferred High Resolution Climatic Changes through Pleistocene-Holocene Transition in Northwest Indian Himalaya

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