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Earth System Dynamics An interactive open-access journal of the European Geosciences Union
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Discussion papers
https://doi.org/10.5194/esdd-4-429-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/esdd-4-429-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 18 Apr 2013

Research article | 18 Apr 2013

Review status
This discussion paper is a preprint. It has been under review for the journal Earth System Dynamics (ESD). A final paper in ESD is not foreseen.

Trend of standardized precipitation index during Indian summer monsoon season in agroclimatic zones of India

S. Jha1, V. K. Sehgal2, R. Raghava1, and M. Sinha3 S. Jha et al.
  • 1Centre for Atmospheric Sciences, Indian Institute of Technology, Delhi, New Delhi, 110016, India
  • 2Division of Agricultural Physics, Indian Agricultural Research Institute, New Delhi, 110012, India
  • 3Department of Pure and Applied Sciences, NIIT University, Neemrana, Alwar, 301705, India

Abstract. Standardized precipitation index (SPI) was computed with CRU TS3.0 gridded 0.5 × 0.5° monthly precipitation dataset for each of the 14 mainland agroclimatic zones (ACZs) of India for individual months (June, July, August and September) and season (JJAS) of summer monsoon for 56 yr (1951–2006). Mann Kendall Trend Test with the representative SPI of the ACZs shows that only six out of 14 mainland ACZs have a significant trend during summer monsoon. Trans-Gangetic plain significantly gains wetness during the month of June. West coast plain and hill has a typical feature of significant increasing trend of wetness during June and increasing dryness during July. In general Upper Gangetic plain, Middle Gangetic plain, Central plateau and hill and Eastern plateau and hill have a significantly increasing drying trend during the whole duration of summer monsoon season.

S. Jha et al.
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Interactive discussion
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
S. Jha et al.
S. Jha et al.
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