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Extremes in summer monsoon precipitation over India during 2001-2009 using CPC high-resolution data

Preethi, B and Revadekar, JV and Munot, AA (2011) Extremes in summer monsoon precipitation over India during 2001-2009 using CPC high-resolution data. International Journal of Remote Sensing, 32 (3). pp. 717-735.

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Abstract

High-resolution Climate Prediction Center (CPC) merged daily precipitation estimates based on satellite and raingauge data, available for the period 2001–2009, were analysed to determine the spatiotemporal variability of various indices of precipitation extremes during the summer monsoon season of the Indian subcontinent. Evaluation of the CPC 0.1° latitude × 0.1° longitude resolution merged precipitation data was carried out for the monsoon season by comparison with India Meteorological Department (IMD) 1° latitude × 1° longitude resolution gridded data for the common period of three years (2001, 2002 and 2003). Day-to-day variation in rainfall activity over the central Indian region obtained from these data sets was highly correlated, with a correlation coefficient of 0.62 (significant at the 0.1% level). The study showed that, over most of India, the mean and extremes in rainfall are captured well by the CPC data. However, the CPC data underestimate rainfall activities over the west coast and the northeastern part of the country, where heavy rainfall activity occurs throughout the season. Over the southeastern part of the subcontinent, where rainfall activity is lower, the CPC data overestimate the number of rainy days.

Item Type: Article
Additional Information: Copyright of this article belongs to Taylor and Francis
Uncontrolled Keywords: Central India; Climate prediction centers; Correlation coefficient; Data sets; Heavy precipitation; Heavy rainfall; High resolution; Highly-correlated; Interannual variability; Monsoon season; Precipitation data; Precipitation extremes; Rain gauges; Rainy days; Seasonal rainfall; Spatial and temporal variation; Spatial patterns; Spatiotemporal variability; Summer monsoon; Summer monsoon precipitation; Summer monsoon rainfall; West coast, Atmospheric thermodynamics; Climate change; Drought; Remote sensing, Rain, climate change; climate prediction; extreme event; monsoon; precipitation (climatology); rainfall; raingauge; remote sensing; satellite data; summer, India
Subjects: Meteorology and Climatology
Depositing User: IITM Library
Date Deposited: 11 Aug 2014 11:00
Last Modified: 11 Aug 2014 11:00
URI: http://moeseprints.incois.gov.in/id/eprint/689

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