Vipul Shinde

Application of Software Packages for Monthly Stream Flow Forecasting of Kangsabati River in India

has made considerable progress as far as creation of irrigation potential is concerned. The gap between irrigation potential created and utilized is a matter of concern. The success of irrigation system operation and planning depends on the quantification of supply and demand and equitable distribution of supply to meet the demand if possible, or, to minimize the gap between the supply and demand. Hence, it is essential to forecast reservoir inflow for proper planning and management of canal irrigation projects. Autoregressive Integrated Moving Average (ARIMA) and X-12-ARIMA are one of the extensively used software packages for time series forecasting. This study focused on the Application of these software packages for Monthly Stream Flow Forecasting of Kangsabati River of India. Here, ARIMA (2, 1, 1) (2, 1, 2) and ARIMA-X-12 (2, 1, 1) (2, 1, 2) models were found to have less Bayesian Information Criterion (BIC), Akaike Information Criterion (AIC) and many other statistical values, selected for mean monthly foresting. In the comparison of ARIMA and X-12-ARIMA models, the X-12- ARIMA model is found more accurate then the ARIMA model for monthly stream flow forecasting. This study suggests that the selected models can be used successfully for monthly stream flow forecasting of Kangsabati river.

Water Quality Assessment and Application of SWAT Model for Hydrologic Simulations in a Mined Watershed

This paper explored the application of Soil and Water Assessment Tool in modelling hydrological processes of opencast mined affected Olidih watershed of Jharia coalfield region in India. The effect of opencast mines on hydrological processes of watershed was also analysed. Daily streamflow and sediment yield data of years 2005–2006 were used for calibration and 2007–2008 for validation. Model performance was quite satisfactory during calibration and validation. The potential influences of mines were assessed by modelling an alternative scenario assuming nomines (unmined) for the period 2005–2010. Abandoned opencast mines altered the magnitude of hydrological processes of Olidih watershed. Increase in sediment yield by 14.29%, groundwater flow by 13%, evapotranspiration by 4% and decrease in surface runoff by 51.33% and water yield by 6% was observed as compared with no-mines scenario. Water samples from study area were collected and analysed to identify their suitability for domestic uses in pre-monsoon (PRM) and post-monsoon (POM) seasons. The results showed that surface water from 53.6% mineaffected area in PRM and 28.2% mine-affected area in POM season was not suitable for drinking purpose.

Synthesis of Rainfall Characteristics for Predicting the Erosivity Pattern of Wakavali Region in Maharashtra, India

AbstractThe Wakavali region of the Maharashtra state in India is characterized by high-intensity rainfall over a short duration. Precipitation in Wakavali occurs mainly from May to October. Rain gauge charts of self-recording rain gauge stations were used for rainfall characteristics analysis. Intensity of storms were recorded along with the depth of individual storms. It was found that the variation in magnitude of total kinetic energy was more attributable to unit increase in magnitude of rainfall depth than unit increase in rainfall intensity by keeping other variables constant. Values of 30-min maximum rainfall intensity (I30) were found to be very high, reaching up to 140  mm/h. Most of higher value of I30 occurred in June and early July. Rainfall intensity of 8  mm/h was treated as threshold rainfall intensity for the Wakavali region, above which the erosion process begins. There was significant correlation between erosivity indexes and rainfall parameters, namely, I30 and daily precipitation for th...