Browsing Technical Reports by Title

TN-28 : Study of soil moisture using neutron probe

Raghuwanshi, N. S.; Bhatia, K. K. S. (National Institute of Hydrology, 1986)

The fundamental importance of maintaining soils to meet the food and fiber needs of a burgeoning world population merits the attention and concern of all people. Erosion of soil by water poses an increasing threat as ...

TN-63 : Geomorphological characteristics of western ghats region Part I- upper Krishna basin

Kumar, Avadhesh (National Institute of Hydrology, 1988)

Geomorphology is science of landforms. It describe landforms and attempts to explain the evolution of landform in terms of lithology, structure, climate and geomorphology. The advance knowledge ...

TR(2016)-Assessing climate change impact across KBK (Kalahandi-Bolangir-Koraput) region of Odisha

Mishra, P. K.; Jain, Sharad K.; Jain, Sanjay K.; Singh, R. D. (National Institute of Hydrology, 2016)

In the recent few decades, importance of climate change has immensely increased due to global warming and its projected effects on hydrologic cycle. Rainfall pattern is extremely varied both spatially and temporally. ...

TR(BR)-1/2000-2001 : Application of GIS for the Assessment of Soil Erosion Using universal soil loss equation

T., Chandramohan; Durbude, Dilip G. (National Institute of Hydrology, 2000)

Soil erosion from a catchment is the result of complex processes, which is controlled by various climatic, topographic, geologic, geomorphic, and land use characteristics. Scientific planning for soil conservation ...

TR(BR)-1/2005 : Drought study of chhindwara district using dry spell analysis

Galkate, R. V.; Thomas, T.; Pandey, R. P. (National Institute of Hydrology, 2005)

The occurrence of drought leads to reduction in stream-flow, and consequent reduction in reservoir and tank levels and depletion of soil moisture and groundwater. There is a need to develop suitable criteria for planning ...

TR(BR)-1/2006-07 : Modelling of a Coastal Aquifer using FEFLOW

Kumar, C. P.; Purandara, B. K.; Kumar, Sudhir; Varadarajan, N.; Chachadi, A. G. (National Institute of Hydrology, 2006)

Coastal tracts of Goa are rapidly being transformed into settlement areas. The poor water supply facilities have encouraged people to have their own source of water by digging or boring a well. During the last decade, there ...

TR(BR)-1/2007 : Change estimation of selected western Himalayan glaciers

Thayyen, Renoj J.; Arora, Manohar; Kumar, Naresh (National Institute of Hydrology, 2007)

Glaciers lay across the Himalayan arc at varying climatic and hydrologic regimes and response of these glaciers to the climate change vary accordingly. Glacier size, aspect, elevation range and slope are the other major ...

TR(BR)-1/96-97 : Adsorption of lead and zinc ions on sediments

Jain, C. K.; Ram, Daya (National Institute of Hydrology, 1996)

Adsorption is one of the most important processes in water quality control, it may determine the fate and transport of pollutants in the aquatic environment. The adsorption of lead and zinc ions on the ...

TR(BR)-1/97-98 : Regional flood frequency analysis using L moments

Kumar, Rakesh; Singh, R. D. (National Institute of Hydrology, 1997)

Estimation of flood magnitudes and their frequencies for planning and design of water resources projects have been engaging attention of the engineers the world over since time immemorial. Whenever, rainfall or river flow ...

TR(BR)-1/98-99 : Application of GIUH and GIS based approach for design flood estimation

Jain, Sanjay K. (National Institute of Hydrology, 1998)

Quantitative understanding and prediction of the processes of runoff generation and its transmission to the outlet represent one of the most basic and challenging areas of hydrology. Unit hydrograph techniques have been ...

TR(BR)-1/99-2000 : Modelling of debris flows

Mohapatra, P. K. (National Institute of Hydrology, 1999)

Literature review on modelling of debris flow is presented in this technical report. Debris flow is a common natural phenomenon. It is associated with high erosion capacity. Modelling of such flow is necessary from engineering ...

TR(BR)-10/96-97 : Effect of channel characteristics on flood wave propagation

Mishra, S. K. (National Institute of Hydrology, 1996)

Describing flood wave propagation in open channel flow with in the frame-work of loop or hysteresis of rating curves has not received much attention though frequent attempts have been made time and again. The presented ...

TR(BR)-10/97-98 : Adsorption of cadmium bed sediments

Jain, C. K.; Ali, Imran (National Institute of Hydrology, 1997)

The report presents original study range of cadmium adsorption according to the experimental data. The effect of operating variables, viz., solution pH, sediment dose, contact time, and particle ...

TR(BR)-10/98-99 : Determination of snow and ice melt factors in the Himalayan region through field investigations.

Singh, Pratap (National Institute of Hydrology, 1998)

Information on the degree-day factor for snow and ice is required for the estimation of snow and ice melt runoff from a glacierized basin. In the present study, degree-day factor for snow and ice are computed over Dokriani ...

TR(BR)-10/99-2000 : Drought characterization in arid and semi-arid climatic regions of India

Pandey, R. P. (National Institute of Hydrology, 1999)

Prediction of regional drought characteristics forms a major concern in the planning of drought management strategies in drought prone areas in India. This study attempts to characterize droughts (frequency, intensity and ...

TR(BR)-106 : Catchment routing using Kinematic wave approach

Mishra, S. K. (National Institute of Hydrology, 1993)

Estimation of flood peak magnitude and their time of occurrence still remains a concern to the flood hydrologists. Various theories dealing with the catchment hydrology have come up ...

TR(BR)-107 : Effect of orography on precipitation distribution in the Chenab basin

Singh, Pratap (National Institute of Hydrology, 1993)

Precipitation distribution with elevation has been studied in the Chenab basin located in the western Himalayan region. This basin comprises parts of outer, middle and greater Himalayan ...

TR(BR)-108 : Effects of errors in annual maximum peak floods on flood frequency estimates

Singh, R. D.; Kumar, Rakesh (National Institute of Hydrology, 1993)

In this study, the effects of errors in annual maximum peak floods on flood frequency estimates have been examined. The ratio of annual maximum peak floods to the mean annual maximum peak ...

TR(BR)-109 : Development of hydrological drought index based on dynamic ground water storage

Agarwal, Avinash; Mishra, G. C. (National Institute of Hydrology, 1993)

The depletion time of the Unicell model, which is a function of transmissibility of the aquifer has been identified as a criteria to hydrological drought indices for dynamic ground water ...

TR(BR)-11/96-97 : Assessment of irrigation return flow

Mishra, G. C.; Kumar, C. P. (National Institute of Hydrology, 1996)

Irrigation return flow is one of the most significant components in the water balance of irrigation command areas. A part of the water applied to irrigated fields percolates deep to recharge the ...

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