Correction to: Scientific Reports, published online 31 May 2018

The Acknowledgements section in this Article was omitted. The Acknowledgements section should read:

“P.G thanks Department of Science and Technology, Govt. of India (SR/S4/FS-481/2009), Ministry of Earth Sciences (MoES/ATMOS/PP-IX/09), Divecha Centre for Climate Change, Australian Scientific Instrument and I.W thanks Australian Scientific Instrument for funding the project.”