Review Note: Recent submissions

  • RN-28 : Snowline and snow cover mapping by remote sensing techniques 
    Bhar, A.K. (National Institute of Hydrology, 1985)
    Snow and ice is a major component of Water Resources and it is hydrologically important in India because of the presence of mighty snow clad Himalayas. Major north Indian rivers originate from the ...
  • RN-27 : Hydrological applications of micro processors 
    Goyal, V. C.; Seth, S. M. (National Institute of Hydrology, 1985)
    Microprocessors and microcomputers are increasingly being used in a number of hydrometeorological data collection systems. Almost all modern data acquisition systems use microprocessors for collection ...
  • RN-26 : Sedimentation in reservoirs 
    Bhatia, K. K. S. (National Institute of Hydrology, 1985)
    Sedimentation is a natural process which occurs whenever the flow of a sediment carrying river is impounded by any kind of obstacle. Proper management of water resources often requires the construction of ...
  • RN-25 : Range analysis for storage 
    Seethapathi, P. V.; Jain, S. K. (National Institute of Hydrology, 1985)
    The range analysis is a part of the general probability theory of storage. In this report the works dealing with the range analysis for storage related problems have been reviewed. In the beginning, ...
  • RN-24 : Environmental isotopes for hydrological investigations 
    Chand, Ramesh; Seth, S. M. (National Institute of Hydrology, 1985)
    In this report it is proposed to review the status of applications of environmental isotopes in hydrological investigations. These include Tritium H³ Carbon-14(C14), naturally occurring isotopes and ...
  • RN-23 : Irrigation return flow 
    Harikrishna, H.; Mishra, G. C. (National Institute of Hydrology, 1985)
    In irrigation practices, certain portion of the applied water, over and above the consumptive use, infiltrates into the ground to reach either an aquifer as deep percolation or to a nearby stream ...
  • RN-22 : Effect of channel processes on flood routing 
    Palaniappan, A. B.; Seth, S. M. (National Institute of Hydrology, 1985)
    Although a river occupies a small portion of the. catchment, its role in shaping the landscape is enormous. The river and the adjoining plains and as a matter of fact, the whole catchment undergoes ...
  • RN-21 : Effect of flood plain on flood routing 
    Palaniappan, A. B.; Seth, S. M. (National Institute of Hydrology, 1985)
    Because of ever increasing human activities in the flood plains, the river environment gets affected. The movement of flood along the flood plains is quite complex. The flood plains act as ...
  • RN-20 : Rainfall-runoff relationships 
    Ramasastri, K. S.; Seth, S. M. (National Institute of Hydrology, 1985)
    For estimating dependable yield while planning and designing water resources development projects, long period series of stream flow are required. However, since the flow data are generally available ...
  • RN-19 : Comparative study of self-recording raingauges 
    Seth, S. M.; Ramasastri, K. S. (National Institute of Hydrology, 1985)
    Measurement of precipitation with gauges dates back to more than 2000 years. With the development of civilization and science, the demand for intensity of precipitation and its distribution in ...
  • RN-18 : Time series analysis models 
    Seth, S. M.; Goel, N. K. (1985)
    Time series analysis belongs to major statistical techniques used in the extraction of information on hydrologic and water resources random variables from observed data.-This report gives a brief ...
  • RN-17 : Regional unit hydrograph 
    Seth, S. M.; Singh, R. D. (National Institute of Hydrology, 1985)
    The estimation of runoff from the watershed is needed for comprehensive water resources planning, flood flow forecast, adequate design of hydraulic structures etc. The climatic and physical characteristics ...
  • RN-16 : Estimation of evapotranspiration for variable water table situations 
    Soni, B.; Mishra, G. C. (National Institute of Hydrology, 1985)
    Many investigators have studied rates of evaporation from soils where water table is at shallow depth. The rate of evaporation may be controlled by either the capacity of ...
  • RN-15 : Use of catchment characteristics for unit hydrograph derivation 
    Seth, S. M.; Singh, R. D. (National Institute of Hydrology, 1984)
    A lack of meteorological and hydrological data is one of the greatest obstacles to accurate estimation of design flood or volumes of runoff. The hydrologist is usually faced with the problem ...
  • RN-14 : Regional flood frequency analysis 
    Seth, S. M. (1984)
    The main objective of hydrological studies of floods is to develop appropriate procedures in order to arrive at desired design variable for the particular structure to be safe under extremes of ...
  • RN-13 : Comparative study of components of watershed models 
    Seth, S. M.; Datta, Bhaskar; Singh, R. D. (National Institute of Hydrology, 1984)
    The rainfall runoff process in a catchment is a complex and complicated phenomenon governed by large number of known and unknown physiographic factors that vary both in ...
  • RN-12 Hydraulic routing techniques 
    Seth, S. M.; Palaniappan, A. B. (National Institute of Hydrology, 1984)
    Routing of flood in open channel is one of the unsteady flow problem of importance to engineers. Flood routing is a computational procedure aiming at tracing of a flood wave incident ...
  • RN-11 : Overland flow 
    Seth, S. M.; Singh, R. D. (National Institute of Hydrology, 1984)
    Overland flow is defined as a thin sheet flow occurring before surface irregularities cause a gathering of runoff into discrete stream channels. The primary distinguishing characteristic of ...
  • RN-10 : Hydrological parameters in drainage studies 
    Mishra, G. C. (National Institute of Hydrology, 1984)
    The understanding of land phase of the hydrologic cycle plays an important role in design of field drainage system. Physical features(topography, geology; soil characteristics) meteorological (temperature; ...
  • RN-9 : Study of hydrogeological parameters 
    Chachadi, A. G.; Mishra, G. C. (National Institute of Hydrology, 1984)
    Frequently, the groundwater modeller faces with the problem of input parameters to-the model. Hydrogeological parameters like hydraulic conductivity, transmissivity, storativity and specific yield form ...

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