Geochemical records of mudflat sediments from southern Saurashtra, Western India
Implications for Holocene climate and global teleconnection
Bibliographic Data
The heat transfer from the low latitudes to high latitudes is responsible for maintaining the earth’s climate dynamics. Thus, deciphering the possible mechanism driving the variability of the Indian summer monsoon (ISM) during the Holocene Epoch has been critical to understand the hydroclimatic changes of the low latitudes. Despite several efforts, the teleconnection of ISM with the global climate dynamics remains under-represented and poorly understood. The present study aims to delineate the ISM variability and its possible forcing mechanism from western India (Gujarat). In this study, a sediment core (~65 cm long) was raised from the Jaffrabad mudflat (MIT) in western Gujarat. The sediment samples were subjected to geochemical analysis to investigate paleomonsoon, paleo-sediment source and paleoweathering changes. The results show that, with the addition of intermediate sources, the sediments were principally derived from the hinterland’s Deccan basalts. Further, the study suggested a warm and wet climate due to strong ISM during 10,650−5500 cal yr BP associated with the solar as well as orbital forcings. The weak monsoon during 5500−2700 cal yr BP has been linked with southward migration of the Intertropical Convergence Zone (ITCZ) along with the increased El Niño-like conditions. Further, the wavelet analysis revealed that a combined influence of solar, orbital and North Atlantic forcings led to monsoon variability along western India, during the Holocene Epoch. By reconciling the geochemical proxies, the present study has implications in the reconstruction of paleomonsoon and establishing the possible teleconnection with the global climate system
Climate change · Climatology · El Niño Southern Oscillation · Geography · Holocene · Intertropical Convergence Zone · Monsoon · Orbital forcing · Paleoclimatology · Precipitation · Saurashtra · Teleconnection · Geological formations and processes · Geology and Paleoclimatology Research · Isotope Analysis in Ecology · Geology · Oceanography
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Major features and forcing of high‐latitude northern hemisphere atmospheric circulation using a 110,000‐year‐long glaciochemical series
Abrupt onset and termination of the African Humid Period
High-Resolution Holocene Environmental Changes in the Thar Desert, Northwestern India
Suppression of El Niño during the Mid‐Holocene by changes in the Earth's orbit
Variability of the North Atlantic Oscillation over the past 5,200 years
Collapse and rapid resumption of Atlantic meridional circulation linked to deglacial climate changes
Insolation values for the climate of the last 10 million years
Southward Migration of the Intertropical Convergence Zone Through the Holocene
Holocene Climate and Cultural Evolution in Late Prehistoric–Early Historic West Asia
A review of coastal palaeoclimate and relative sea-level reconstructions using δ13C and C/N ratios in organic material
The ICS International Chronostratigraphic Chart
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Formal ratification of the subdivision of the Holocene Series/Epoch (Quaternary System/Period)
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Mid- to Late Holocene climate change
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Unusual activity of the Sun during recent decades compared to the previous 11,000 years
Flexible paleoclimate age-depth models using an autoregressive gamma process
Signatures of global climatic events and forcing factors for the last two millennia from the active mudflats of Rohisa, southern Saurashtra, Gujarat, western India
Late Holocene flooding history of a tropical river in western India in response to southwest monsoon fluctuations
Holocene monsoon and sea-level variability from coastal lowlands of Kerala, SW India
Mangrove vegetation responses to Holocene climate change along Konkan coast of south-western India
Mid−late Holocene monsoonal records from the partially active mudflat of Diu Island, southern Saurashtra, Gujarat, western India
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Geochronology of Palaeolithic cultures in the Hiran Valley, Saurashtra, India
Marine20—The Marine Radiocarbon Age Calibration Curve (0–55,000 cal BP)
| Unique citing works | 3 |
|---|---|
| Citations per year | 3 |
| Citation span | 2025 - 2026 (2) |
| Citation velocity | current |
| Highly cited | No |
| Citation types | Neutral: 3 |