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Transmissivity

Pumping tests on wells: A means of measuring the storage and transmission properties of aquifers

The presentation by ACWADAM is part of the training module developed by them on “Planning, development and management of groundwater with special reference to watershed management programmes”. Pumping a well and observing the effect of such pumping on the water level in the pumped well as well as in the adjoining parts of the aquifer through observation wells is the basic procedure involved in a pumping test.Read More

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Comparison of single and multiple flow direction algorithm for computing topographic parameters in TOPMODEL – A research report by National Institute of Hydrology

The report attempts to do a comparison of single and multiple flow direction algorithms for computing topographic parameters in TOPMODEL. Topography is an important factor that influences the physical phenomenon of rainfall-runoff. Undeniably, it plays a primary role in the gravity drainage within a basin. In the last decade, ever-developing computer techniques associated with the greater availability of terrain data in digital form has favored the production of physically based models, which have spatial variability of topography built into their structure.Read More

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Comparison of single and multiple flow direction algorithm for computing topographic parameters in TOPMODEL by NIH (1999-2000)2.63 MB

Location

Khanapur, KA, India
Latitude: 16.700000, Longitude: 77.016667

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Sensitivity analysis of aquifer parameters in Anantapur - A research report by National Institute of Hydrology

The study attempts to develop an in-depth understanding of the behavior of open wells in the region through sensitivity analysis of the aquifer parameters and its method of pumping test design. The estimation of groundwater balance and flow paths requires appropriate aquifer parameters, representing the study domain.Read More

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Sensitivity analysis of aquifer parameters in Anantpur district by NIH (1997-98)1.11 MB
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Review of methods analyzing pump test data - A research report by National Institute of Hydrology

The methods of pump test analysis reviewed in this report has been classified as traditional, computer based and new graphical. Quantitative data on hydraulic characteristics of aquifers including transmissivity and storativity are essential to the understanding and solution of aquifer problems and the proper evaluation and utilization of groundwater resources.Read More

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Review of methods for analyzing pump test data by NIH (1996-97)562.37 KB
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Application of TOPMODEL to Malaprabha catchment – A research report by National Institute of Hydrology

The study applies TOPMODEL (Topography Model) to the Malaprabha catchment of Krishna river basin in Karnataka to simulate the daily flows at Khanapur site. The catchment area of Malaprabha up to discharge measuring site Khanapur is 520 sqkm. The model uses topographic index for the formation of runoff through development of a Digital Elevation Model (DEM) by interpolating the contours in the basin at 300 m grid size.Read More

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Application of TOPMODEL to Malaprabha catchment by NIH (1997-98)727.44 KB

Location

Khanapur, KA, India
Latitude: 16.700000, Longitude: 77.016667

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