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Baseflow

Sustainable groundwater management – Report of the Working Group of the Planning Commission for the 12th Five Year Plan

This is the report on “Sustainable Groundwater Management” by the Working Group set up by the Planning Commission as a part of the process to prepare the 12th Five Year Plan. The existing methodology of groundwater resources assessment is appropriate and suitable for country-wide groundwater resources estimation, considering the present status of database available with the Central and State agencies.

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Sustainable groundwater management – Report of the Working Group of the Planning Commission for the 12th Five Year Plan (2011)1.13 MB

Aquifers: The hosts of groundwater – A presentation by ACWADAM

This presentation by ACWADAM on aquifers states that a systematic approach to groundwater studies is required to understand how water exists in each type of rock or sediment for which hydrogeological mapping of aquifers becomes significant in every watershed programme. The necessity of studying the scientific aspects of groundwater such as its properties and distribution below the earth’s surface is highlighted.Read More

Analysis of surface and groundwater flow process in Western Ghat of Dakshina Kannada district of Karnataka – A research report by National Institute of Hydrology

The study deals with the analysis of surface and groundwater flow process in Dakshina Kannada district in Western Ghats of Karnataka. The area receives over 4000 mm rainfall annually but is still faced with acute shortage of freshwater during summer months. The study attempts to identify the surface and sub-surface flow process through geohydrological and geomorphological investigations in the Sithanadhi and Netravathi basins.Read More

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Analysis of surface and groundwater flow process in Dakshina Kannada district of Karnataka by NIH (1996-97)1.76 MB

Location

Mangalore, KA, India
Latitude: 12.869360, Longitude: 74.842560

Analysis of surface runoff and baseflow at Tambarapani basin – A research report by National Institute of Hydrology

The report presents the analysis of surface runoff and baseflow carried out for the Ariyanayakipuram anicut, Tambarapani basin, Tamil Nadu for a period of 13 years (1983-95). The hydrological behavior of catchments is a very complex phenomenon and is controlled by a large number of climatic and physiographic factors that vary in time and space. The analysis shows that the contribution of baseflow at Ariyanayakipuram anicut was observed to be more.Read More

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Analysis of surface runoff and baseflow at Ariyanayakipuram anicut in Tambaraparani basin of Tamil Nadu by NIH (1996-97)473.7 KB

Location

Tirunelveli, TN, India
Latitude: 8.733000, Longitude: 77.700000

A modified SCS-CN based hydrologic model – A research report by National Institute of Hydrology

The Soil Conservation Services Curve Number (SCS-CN) method presented in this report has been applied to two large catchments in sub-humid regions of India and its performance evaluated. The variation of the curve number is examined and discussed and a critical evaluation of the employment of the single linear reservoir routing technique and linear regression technique presented.Read More

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A modified SCS-CN based hydrologic model by NIH (1999-2000)587.8 KB

Rainfall-runoff modeling for water availability in Ken river basin using SCS-CN model and remote sensing approach - A research report by National Institute of Hydrology

The report is the first of a two-part study on water availability for the Ken river system and attempts to evaluate the direct surface runoff in the smaller basins, where gauging sites are not available. In this study on water availability in Ken river basin, rainfall-runoff modeling in the Sonar, Bearma and Bebas river basins, which are the sub-basins of the Ken river system, have been carried out using the Soil Conservation Services Curve Number (SCS-CN) model.

This is a widely used hydrological model for calculating the runoff using rainfall and Curve Number (CN). The SCS-CN is a quantitative descriptor of the land use, land cover and soil complex characteristics of a watershed. The CN is an index that represents the watershed runoff potential.Read More

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Rainfall-runoff modelling for water availability study in Ken river basin using SCS-CN model and remote sensing approach by NIH (1997-98)1.66 MB

Rainfall-runoff modeling of Western Ghat region of Karnataka - A research report by National Institute of Hydrology

The study develops a regional conceptual catchment water balance model for five catchments in the Western Ghat region of Karnataka. The model can be used to estimate the water yield from ungauged catchments located in the region.

The water yield is an integration of discharge as a function of time for a specified duration and reflects the volumetric relationship between rainfall and runoff. The estimation of water yield is required for solution of water resources problems normally encountered in design of storage facilities. It is of use in understanding the water availability for agriculture, industrial and drinking purpose as also for estimating the dependable water supply for power generation and irrigation projects.Read More

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Rainfall runoff modeling of western ghat region of Karnataka by NIH (1998-99)980.9 KB

Baseflow studies for three rivers between Mahanadi and Godavari deltas - A research report by National Institute of Hydrology

The study suggests a procedure based on the methodology of Gustard et al (1992) for estimation of baseflow index (BFI) using the mean daily discharge data over a period of 4 to 6 years for three rivers between the Mahanadi and Godavari deltas. The rivers from the Zone 4 (A) are Rushikuliya at Purushottampur in Orissa, Nagavalli at Narayanpuram wier and Sarada at Anakapalli in Andhra Pradesh.Read More

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Baseflow studies for three rivers between Mahanadi and Godavari deltas in the sub zone 4(A) by NIH (1998-99)523.55 KB

Location

Godavari, AP, India
Latitude: 16.414033, Longitude: 80.647085

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