A QUANTITATIVE ANALYSIS OF CITATIONS OF RESEARCH REPORTS PUBLISHEDBY NATIONAL INSTITUTE OF HYDROLOGY, ROORKEE

108-115Quantitative analysis of citations has immense value in library management, specially in selection of periodicals for subscription. Periodicals as primary sources of information have more importance in research libraries than other sources of information. The cost of the periodicals is increasing day by day and hence its judicious selection is essential. Citation analysis is a useful tool for the modern libraries in this regard. In present study an analysis has been made of 20,046 citations mentioned in 777 scientific and technical reports published by National lnstitute of Hydrology. Roorkee, since its inception i.e., December 1978. The paper gives an account of year-wise break-up of different categories of reports. Different bibliographic forms of literature cited in the reports such as journals, books, conference proceedings, technical reports, IAHS publications and other documents like Ph.D. Thesis, M.E./M.Tech dissertation, bulletins, standards etc. have been analysed and presented. A ranked list of 56 most important journals related with hydrology and water resources, out of 140 cited journals in the reports has been prepared. This ranked list of journals covers 92.7% of the total journal citations. The analysis have revealed that 40% of total journal citations relate to only 3 journals namely Water Resources Research (1 5.0 1 %), Journal of Hydrology(13.43%) and ASCE's Journal of Hydraulic Engineering(7.56%). The country-wise distribution of most cited journal has also been prepared and categorised