Panaji: Former chief scientist at CSIR-National Institute of Oceanography (NIO) Dr Rajiv Nigam has been selected for the 2022 Joseph A Cushman Award for Excellence in Foraminiferal Research.
Dr Nigam is the first Indian to have been selected for the prestigious award.
The award will be presented at the Cushman Reception during the 2022 Geological Society of America meeting, which will be held in Denver, Colorado, USA, from October 9 to 12, 2022.
Dr Nigam has made significant contributions in the field of marine geology (micropaleontology) using foraminifera as a tool to understand oceanographic processes and their role in environmental and paleo-environmental assessments. His main findings are pollution monitoring through relative sensitivity of the benthic foraminifera; development of novel technique to decipher net sediment transport direction by comparisons of living and dead benthic foraminifera; postulating dimorphism as proxy for paleoclimatic reconstructions; development of model for the paleodepth determination in the Arabian Sea and sea level curve for the Holocene; morphogroups of benthic foraminifera as a new tool for paleomonsoonal reconstruction and discovery of 77 years cyclicity in average monsoonal rainfall, which is modulated by Gleissberg solar cycle.
Dr Nigam has worked extensively for application of foraminifera in the field of marine archaeology – settling controversy of dockyard at Lothal (The oldest dockyard ever discovered in the world); explanation of neolithic human settlements in Gulf of Cambay (through knowledge of sea level fluctuations) and reporting the thick wall (~18 m) at Dholavira as the oldest record of tsunami protection measures in India.
He has been extensively covered by the media for his work on marine archaeology.
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