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TR-48 : Type curves for multiaquifer well

Mishra, G. C.; Chachadi, A. G. (National Institute of Hydrology, 1987)

Type curves pertaining to aquifer test conducted in multi aquifer well, which is open to two aquifers, have been presented. Using these type curves the storage coefficient and transmissivity of each aquifer can be ...

TR-45 : Distribution of precipitation with elevation

Ramasastri, K. S. (National Institute of Hydrology, 1987)

Precipitation is known to vary largely in space and time due to several factors such as topography, nature of weather system, geography, aerosol content and drop size distribution in cloud etc. Precipitation is generally ...

TR-44 : Application of Kinematic cascade model 'Kingen' for flow computation in a hilly catchment

Kumar, Avdhesha; Ramasastri, K. S.; Singh, A. K. (National Institute of Hydrology, 1987)

Estimation of Runoff in mountainous areas is required for the design, development and management of water resources projects. Runoff in mountainous areas result from precipitation in ...

TR-43 : Forecasting of monsoon runoff using data from specific basins

Goel, N. K. (National Institute of Hydrology, 1987)

The water resources planning and operation activities are dependent mainly on the monsoon behaviour that being a crucial period contributing 80-90% of annual rainfall and runoff. The ...

TR-42 : Monthly stream flow simulation for Mahanadi basin using HEC-4 model

Seth, S. M.; Nirupama, P. (National Institute of Hydrology, 1987)

HEC-4 is a monthly streamflow simulation program developed by the Hydrologic Engineering Centre, , U.S. Army Corps of Engineers. The program analyses monthly streamflows at a number of ...

TR-41 : Development of dimensionless hydrographs for storm sewers using Kinematic wave routing techniques

Perumal, M.; Santoshi, M. K. (National Institute of Hydrology, 1987)

The study presents a methodology for the estimation of flood wave characteristics in rectangular sewers at a downstream location of a given inflow site using kinematic wave ...

Sustaining and improving rural livelihood through adaptive approaches to land, nutrient, and water management

Institute of Rural Management, Anand; Centre for Water Resources Development and Management; National Institute of Hydrology; International Institute for Applied Systems Analysis; Technology Information Forecasting and Assessment Council (National Institute of Hydrology, 2017)

TR-35 : Analysis of trends and periodicities of rainfall of some districts in east Rajasthan

Jain, Vibha; Ramasastri, K. S. (National Institute of Hydrology, 1987)

Rajasthan with a total geographical area of 342271sq.km is the third largest State in the country. Since 1979 onwards many districts in East Rajasthan have been experiencing deficit ...

TR-34 : Development of dimensionless flood hydrographs from Machhu Dam-II failure using Dambrk model

Santoshi, M. K. (National Institute of Hydrology, 1987)

This report presents a methodology for the quick estimation of dam break flood wave and its characteristics such as peak flows, peak stages and their respective timings at the ...

TR-33 : Establishment of rating curve under shifting control

Kumar, Surendra; Singh, K. K. (National Institute of Hydrology, 1987)

Various methods are available to establish the rating curve under shifting control which exists due to various factors such as scour and/or fill, alluvial bed form changes, ...

TR-31 : Estimation of ground water recharge due to rainfall by statistical method

Sinha, Asha (National Institute of Hydrology, 1987)

Direct ground water recharge from rainfall depends on the intensity duration of rainfall, the evaporative demand, soil moisture deficiency, the sorptivity, depth of unsaturated zone etc. Given all these parameters, ...

TR-30 : Study of soil moisture movement during rainfall by Green and Ampt equation and comparison of the study by numerical model

Mehta, Rama D. (National Institute of Hydrology, 1988)

Soil moisture movement during a rainfall event has been studied using Green and Ampt approximate solution of infiltration. The soil moisture movement has also been predicted by solving Richard's equation. The ...

TR-40 : Mapping of salt affected areas of district Aligarh by remote sensing

Kumar, Anil; Ahmad, Tanvear (National Institute of Hydrology, 1987)

In India more than 7.0 million hectares are affected by the problem of salinity. The major portion of such areas lies in the Indo-Gangetic alluvial plains. Any attempt of developing such ...

TR-39 : Study of spectral reflectance characteristics of various ground features around Roorkee area including Doon valley

Jain, Sanjay K.; Kumar, Anil (National Institute of Hydrology, 1987)

Spectral reflectance studies based on signature measurement are carried out to determine the spectral response patterns of different earth surface features. For effective utilization ...

TR-38 : Statistical analysis of low flow in typical river basin to investigation drought characteristics

Verma, P. K.; Lohani, Vinay K.; Raghuwanshi, N. S. (National Institute of Hydrology, 1987)

Low flow is a broadly used term to describe stream flows that are significantly below average or normal flow levels. In the traditional planning, design and operation of water related projects, the ...

TR-37 : Systems approach to optimize conjunctive use of surface and groundwater

Chachadi, A.G.; Sinha, Asha (National Institute of Hydrology, 1987)

In the present study a conjunctive use model for optimum agricultural production in the sub-basin of the Ghataprabha command area in Karnataka State has been formulated. The aim is to develop an optimal crop plan, ...

TR-36 : Comparative study of different parameter estimation techniques for EV-1 distribution

Seth, S. M.; Goel, N. K. (National Institute of Hydrology, 1987)

Design of water resources structures needs estimation of hydrologic and meteorologic events for different return periods. This can be obtained through frequency analysis approach. The ...

TR-29 : Estimation of soil moisture variation using resistivity technique

Goyal, V. C. (National Institute of Hydrology, 1986)

Relation between bulk resistivity and amount of pore water as well as its properties has been known in form of empirical formulae. The electrical properties of soils in unsaturated zone above water table are dependent ...

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 ...

TR-21 : Development of a variable parameter simplified hydraulic flood routing model or trapezoidal channels

Perumal, M. (National Institute of Hydrology, 1986)

A variable parameter simplified hydraulic method based on the approximation of the St.Venant's equations which describe the one dimensional flow in a channel or river has developed for routing ...

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