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Monitoring software for pollutant components in furrow irrigation runoff

Lentz, R.D. and Sojka, R.E. (1995) Monitoring software for pollutant components in furrow irrigation runoff. pp. 123-127. In: Ahuja., L. and Leppert, J. and Rojas, K. and Seely, E. (eds.) Proc. Workshop on Computer Applications in Water Management. 1995/05/23-25.

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Abstract

Non-point source pollution from furrow-irrigated agriculture threatens surface water quality throughout irrigated regions of the world. For example, sediment or dissolved chemicals contributed by irrigation return-flows can degrade habitats and increase user costs downstream. The threat from these pollutants has been fully appreciated only recently, resulting in an increased interest in runoff monitoring. However, analysis of runoff data from furrow-irrigation is cumbersome and time consuming. Calibration functions relating measured quantities to desired water-component concentrations must be obtained for each treatment (e.g. a calibration function relating measured component volumes to runoff component concentration). It is awkward and tedious to plot or analyze constituent runoff data by treatment. The PASCAL program described here reads inflow and runoff data from an ASCII text file and derives. displays, and statistically compares calibration functions for treatments or any other user-defined furrow group. It employs the computed or a user-supplied function to calculate infiltration, runoff, and component loss for each furrow. In addition, the software computes and plots group-averaged values for inflow, outflow, infiltration, runoff constituent loss, and outflow constituent concentration as a function of irrigation duration.

Item Type: Conference or Workshop Item (Paper)
NWISRL Publication Number: 0903
Additional Information: **A.K.A NWISRL PUBLICATION 903a**
Subjects: Irrigation > Furrow irrigation > Runoff losses
Research methodology
Mass Import - autoclassified (may be erroneous)
Depositing User: Michelle Wayment
Date Deposited: 20 Nov 2010 21:56
Last Modified: 22 Nov 2016 22:59
Item ID: 912
URI: https://eprints.nwisrl.ars.usda.gov/id/eprint/912

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