Research Reports: Recent submissions

  • RN-7 : Data collection and transmission system 
    Seth, S. M.; Goyal, V. C. (National Institute of Hydrology, 1984)
    The report reviews the various systems of data collection and transmission in hydrology and hydrometeorology. Data on precipitation, evaporation temperature, humidity, wind velocity, sunshine hours, water level, ...
  • RN-6 : Hydrologic soil classification 
    Soni, B.; Mishra, G. C. (National Institute of Hydrology, 1984)
    Hydrologic soil classification refers to a group of soil series that can be considered homogeneous in respect of soil characteristics. Hydrologic soil classification is useful for estimation of runoff. ...
  • RN-5 : Partial duration series model 
    Seth, S. M.; Goel, N. K. (National Institute of Hydrology, 1984)
    The basic requirement of flood frequency analysis is to know the probability with which a flow Q is exceeded during a stated design life of a particular project. The partial duration series ...
  • RN-4 : Rainfall recharge 
    Ethirajan, K.; Mishra, G. C. (1985)
    The natural hydrological phenomenon of rainfall recharge is very complex to study, analyse, and evaluate due to the unpredictable unbounded random variable nature of its input ...
  • RN-3 : Hydrogeological parameters in hard rock area 
    Mishra, G. C.; Chachadi, A. G. (National Institute of Hydrology, 1984)
    The wide use of large-diameter wells for groundwater abstraction especially in hard rock areas calls for a thorough understanding of the flow dynamics in these wells for better management and ...
  • RN-2 : Optimization and programming techniques for reservoir operation 
    Seethapathi, P. V.; Jain, S. K. (National Institute of Hydrology, 1984)
    Optimization is one of the most powerful and popular technique for solving various problems associated with the operation of a reservoir. During the past few years, its use has grown tremendously due to wider availability ...
  • RN-1 : Hydrogeological investigations of the Ganga Hindon inter basin - Upper Ganga canal command area 
    Mishra, G. C.; Chachadi, A. G. (National Institute of Hydrology, 1982)
    The command of Upper Ganga Canal (UGC) system covers an area of about 24,500 sq.km. located between the rivers Ganga and Yamuna and forms a part of the Gangetic alluvial plain. The area is characterised ...
  • M-6 : Multipurpose operation of a reservoir 
    Jain, S. K. (National Institute of Hydrology, 1985)
    Reservoir operation forms a very important part of planning and management of water resources systems. Once a reservoir has been developed, detailed guidelines have to be given ...
  • M-3 : Reservoir capacity computation 
    Seethapathi, P. V.; Jain, S. K. (National Institute of Hydrology, 1984)
    The present report deals with computation of the storage capacity required in a reservoir. In the beginning definition of a number of terms used in this connection is given. In all three methods which ...
  • M-2 : Processing of precipitation data 
    Seth, S. M.; Ramasastri, K. S. (National Institute of Hydrology, 1984)
    Preliminary processing of the precipitation data is essential before it is put to further use in analysis. Processing of precipitation data has two major objectives. One is to evaluate the data for its ...
  • DP-7 : Polynomial regression 
    Seth, S. M.; Goel, N. K. (National Institute of Hydrology, 1983)
    For any non linear function Y = f(x) regression may be obtained by fitting a polynomial. The general form of the polynomial regression is as given under: Y=a0+a1X + a2X²+................... ...
  • DP-6 : Multiple linear regression 
    Seth, S. M.; Goel, N. K. (National Institute of Hydrology, 1983)
    The association of three or more variables can be Investigated by multiple linear regression and correlation analysis. The derivation of relationships among hydrologic variables is of importance for ...
  • DP-5 : Flood routing (Muskingum cunge procedure) 
    Seth, S. M.; Palaniappan, A. B. (National Institute of Hydrology, 1982)
    Flood routing in a natural river is complicated by the presence of irregularities of cross-section and by the presence of lateral flow. It is now possible to quantify the effect of irregularities in the ...
  • DP-4 : Ordering the series and interpolation 
    Seth, S. M.; Nirupama, P. (1983)
    The documentation for ordering the series describes the comparative studies carried out using four subroutines available in the literature. The comparison is made on the basis of compilation time, ...
  • DP-3 : Best fit distribution 
    Seth, S. M.; Goyal, S. K. (1982)
    The documentation of the computer programme for best fit distribution using normalization procedures and chi-square criterion includes listing of source programme, data file and output file with ...
  • DP-2 : Rating curve analysis 
    Seth, S. M.; Palaniappan, A. B. (National Institute of Hydrology, 1982)
    Many hydrologic analyses are made using discharge data of a river at a site. Often these discharge values are obtained from stage measurements. In order to compute the discharge from the ...
  • DP-1 : Flood frequency analysis using power transformation 
    Seth, S. M.; Perumal, M. (National Institute of Hydrology, 1982)
    The purpose of the programme is (1) to transform the given independent and homogeneous annual maximum peak flood series to near normal distribution using Box-Cox transformation and (2) ...
  • TR(BR)-2/2007 : Evaluation of water harvesting structures in the Kandi belt of Jammu region 
    Singh, Vivekanand; Vatsa, Rajan; Ram, Shobha; Mittal, Sanjay; Kotwal, Suraj P.; Goel, M. K.; Mali, Santosh S.; Kumar, Naresh (National Institute of Hydrology, 2007)
    Kandi-belt is the steeply sloping submontane belt of the Himalayas fringing the Siwalik hills and extending discontinuously from Jammu and Kashmir to Assam. This dry-looking belt has undulating topography, steep and irregular ...
  • TR(BR)-2/2006 : Estimation of sediment rates and pattern in sagar lake using Radiometric dating techniques 
    Bhar, A. K.; Singh, Surjeet; Thakural, L. N.; Kumar, Bhishm (National Institute of Hydrology, 2006)
    Sagar lake is situated in the middle of the Sagar city at an elevation of 517 meters above mean sea level in the Vindhyan terrain of Bundelkhand region. Lake surface area is 145 ha at full tank level. The maximum depth is ...
  • TR(BR)-I-2013 Study of reservoir sedimentation, impact assessment and development of catchment area treatment plan for Kodar reservoir in Chhattisgarh state 
    Jaiswal, R. K.; Galkate, R. V.; Thomas, T.; Singh, Surjeet (National Institute of Hydrology, 2013)
    The soil erosion, movement and deposition are part of natural hydrological processes, but the rate of sedimentation is accelerated due to environmental degradation, lack of conservation measures, change in land use, ...

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