Paleoenvironmental shifts spanning the last ~6000 years and recent anthropogenic controls inferred from a high-altitude temperate lake: Anchar Lake, NW Himalaya

Lone, Aasif Mohmad; Achyuthan, Hema; Shah, Rayees Ahmad; Sangode, S. J.; Kumar, Pankaj; Chopra, Sundeep; Sharma, Rajveer

doi:10.1177/0959683619865599

Cited by 33 publications

(18 citation statements)

References 100 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Millennial to centennial scale climate changes as observed in the Wular Lake sediments have also been documented by other studies from the Himalayan region (Babeesh et al, 2019; Demske et al, 2009; Khan et al, 2018; Lone et al, 2019; Rawat et al, 2015; Srivastava et al, 2017), in south Indian lakes and deltas (Achyuthan et al, 2016; Ponton et al, 2012; Rajmanickam et al, 2016; Sarkar et al, 2015), marine sediment records (Bond et al, 1997; Cullen et al, 2000; Gupta et al, 2003; Nagasundaram et al, 2014; Orme et al, 2018; Staubwasser et al, 2003), ice core records (Grootes and Stuiver 1997; Stuiver et al, 1995; Thompson et al, 1997), and speleothem records (Cai et al, 2010; Fleitmann et al, 2003; Lone et al, 2014; Smith et al, 2016; Wang et al, 2005; Yadava et al, 2004). These palaeoclimate records provide an integrated record that includes short and extreme dry/cool events such as at 10,300 yr BP, 8200 yr BP, 6300 yr BP, 4200 yr BP and 600–400 yr BP during the Holocene.…”

Section: A Regional Comparison Of the Palaeoclimate Recordssupporting

confidence: 76%

See 1 more Smart Citation

Holocene palaeoenvironmental records from the high-altitude Wular Lake, Western Himalayas

et al. 2020

Self Cite

View full text Add to dashboard Cite

We present a comprehensive record of Holocene (11,590–628 cal. yr BP) climate and hydrographic changes around the Wular Lake located in Kashmir Valley, India. Based on the multi-proxy investigations, we have identified three phases of wet climate conditions that prevailed from the commencement of the Holocene Epoch – 9000 cal. yr BP, 8100–6650 cal. yr BP and 6350–5000 cal. yr BP, whereas periods of dry climate were observed during 9000–8100 cal. yr BP, 6650–6350 cal. yr BP and ~5000 to 4000 cal. yr BP. The results also suggested that the lake widened and deepened significantly around 6350–5000 cal. yr BP. The results indicated desiccation and the exposure of the lake margin around 5000–4500 cal. yr BP. The sedimentation rate since 4500–628 cal. yr BP was quite low for detailed paleoclimate interpretations. Oscillations in lake extension and deepening appear to be due to changing intensity of westerly moisture in the region, and we correlate several of the low lake-level phases to the Bond events caused by North Atlantic ice rafting events.

show abstract

Section: A Regional Comparison Of the Palaeoclimate Recordssupporting

confidence: 76%

“…During the Holocene, climate varied in the northwest Himalayas (Das et al, 2010; Lone et al, 2019). Lesser Himalaya experienced warm and wet climate regime during the Early Holocene and dry and cold during the Late-Holocene (Das et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Holocene palaeoenvironmental records from the high-altitude Wular Lake, Western Himalayas

et al. 2020

Self Cite

View full text Add to dashboard Cite

show abstract

“…( h ) A/C pollen ratio, (lake) Tso Moriri, Ladakh 57 . ( i ) Inferred environmental conditions, multiple records, Kashmir Valley 43 , 54 , 55 . …”

Section: Resultsmentioning

confidence: 99%

“…Despite localised variability among regional lake or sediment records, multiple proxies indicate an overall drier environment during this period 50 – 53 . Environmental indicators from the current study sites 43 , other Kashmir Valley records 54 , 55 (Fig. 2 i) and proximal lake records from Ladakh (Fig.…”

Section: Discussionmentioning

confidence: 96%

Palaeoenvironmental proxies indicate long-term development of agro-pastoralist landscapes in Inner Asian mountains

Spate

Yatoo

Penny

et al. 2022

Sci Rep

View full text Add to dashboard Cite

A growing body of archaeological research on agro-pastoralist populations of the Inner Asian mountains indicates that these groups adapted various systems of mobile herding and cultivation to ecotopes across the region from as early as 5000 BP. It has been argued that these adaptations allowed the development of flexible social-ecological systems well suited to the long-term management of these mountain landscapes. At present, less attention has been paid to examining the long-term ecological legacy of these adaptations within the sedimentary or palaeoenvironmental record. Here we present sediment, palynomorph and charcoal data that we interpret as indicating agro-pastoralist environmental perturbations, taken from three cores at middle and high altitudes in the Kashmir Valley at the southern end of the Inner Asian mountains. Our data indicate spatially and temporally discontinuous patterns of agro-pastoralist land use beginning close to 4000 BP. Periods of intensification of upland herding are often coincident with phases of regional social or environmental change, in particular we find the strongest signals for agro-pastoralism in the environmental record contemporary with regionally arid conditions. These patterns support previous arguments that specialised agro-pastoralist ecologies across the region are well placed to respond to past and future climate deteriorations. Our data indicating long-term co-evolution of humans and landscape in the study area also have implications for the ongoing management of environments generally perceived as “pristine” or “wilderness”.

show abstract

“…Isolated, present-day vestiges of Lake Kerewa (Wular, Anchar, Dal and Manasbal Lakes, all with depths less than 14 m) are pinned to the NE edge of the valley as a result of uplift of the Pir Panjal range. With sedimentation rates of 0.15-0.44 mm/a (Shah et al, 2019;Lone et al, 2020) these surviving lakes would fill with sediment were it not for the persistent rise of the Jhelum's outlet above the NE side of the valley, which increments at the time of great thrust earthquakes beneath the Pir Panjal. Depending on the throw of these earthquakes each new event increases lake capacity, and the potential maximum depth of flooding.…”

Section: Introductionmentioning

confidence: 99%

Suyya’s Flood: Numerical Models of Kashmir’s Medieval Megaflood and Ancient Lake Kerewa Drainage Events

Urooj¹,

Bilham²,

Bali³

et al. 2021

Earth Sci. Syst. Soc.

View full text Add to dashboard Cite

In the mid-ninth century, an earthquake triggered a landslide that blocked the narrow gorge of the Jhelum River where it exits the Kashmir Valley. The landslide impounded a lake that extended ≈100 km along the floor of the valley, implying an impounded volume of ≤21 km3, flooding the capital, Srinagar, and much agricultural land. An engineered breach of the landslide was contrived by a Medieval engineer resulting in the catastrophic release of flood waters. Using reasonable assumptions we calculate the probable minimum drainage time of this Medieval flood (<4 days) and maximum downstream surge velocities (≈12 m/s). These would have been sufficient to transport boulders in the bed of the Jhelum with dimensions of ≈6 m, consistent with those currently present in some reaches of the river. Given the morphology of the Jhelum gorge we consider that landslide outburst floods may have been common in Kashmir’s history. Ancient shorelines indicate that paleo-lake volumes in the Kashmir Valley may have exceeded 400 km3 which, were they released in catastrophic floods, would have been associated with potential downstream outburst velocities >32 m/s, able to transport boulders with dimensions ≈40 m, far in excess of any found in the course of the Jhelum or in the Punjab plains. Their absence suggests that Kashmir’s ancient lakes were not lowered by outburst mechanisms much exceeding those associated with Suyya’s flood. Present-day floods have been many tens of meters shallower than those impounded by landslides in the Jhelum in the past several thousands of years. A challenge for future study will be to date Kashmir’s ancient shorelines to learn how often landslides and major impoundment events may have occurred in the valley.

show abstract

Paleoenvironmental shifts spanning the last ~6000 years and recent anthropogenic controls inferred from a high-altitude temperate lake: Anchar Lake, NW Himalaya

Cited by 33 publications

References 100 publications

Holocene palaeoenvironmental records from the high-altitude Wular Lake, Western Himalayas

Holocene palaeoenvironmental records from the high-altitude Wular Lake, Western Himalayas

Palaeoenvironmental proxies indicate long-term development of agro-pastoralist landscapes in Inner Asian mountains

Suyya’s Flood: Numerical Models of Kashmir’s Medieval Megaflood and Ancient Lake Kerewa Drainage Events

Contact Info

Product

Resources

About