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    • Use of objective analysis to estimate winter temperature and precipitation at different stations over western Himalaya

      Jagdish Chandra Joshi Ashwagosha Ganju

      Volume 119 Issue 5 October 2010 pp 597-602

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jess/119/05/0597-0602

    • Keywords

       

      Precipitation intensity; spatial interpolation; objective analysis.

    • Abstract

       

      Temperature and fresh snow are essential inputs in an avalanche forecasting model.Without these parameters,prediction of avalanche occurrence for a region would be very difficult.In the complex terrain of Himalaya,nonavailability of snow and meteorological data of the remote locations during snow storms in the winter is a common occurrence.In view of this persistent problem present study estimates maximum temperature,minimum temperature,ambient temperature and precipitation intensity on different regions of Indian western Himalaya by using similar parameters of the neighbouring regions.The location at which parameters are required and its neighbouring locations should all fall in the same snow climatic zone.Initial step to estimate the parameters at a location,is to shift the parameters of neighbouring regions at a reference height corresponding to the altitude of the location at which parameters are to be estimated.The parameters at this reference height are then spatially interpolated by using Barnes objective analysis.The parameters estimated on different locations are compared with the observed one and the Root Mean Square Errors (RMSE)of the observed and estimated values of the parameters are discussed for the winters of 2007 –2008.

    • Author Affiliations

       

      Jagdish Chandra Joshi1 Ashwagosha Ganju1

      1. Snow and Avalanche Study Establishment, Him-Parisar, Sector 37-A, Chandigarh, India.

    • Dates

       
      Published
      October 2010
      Manuscript received
      27 July 2009
      Manuscript revised
      8 June 2010
      Accepted
      14 June 2010

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