[논문]Portable irrigation system for studying hillslope and wetland runoff generation processes

Waddington, J. M.; Devito, K. J.

doi:10.1002/hyp.95

Portable irrigation system for studying hillslope and wetland runoff generation processes

Hydrological processes, v.15 no.2, 2001년, pp.281 - 287

Waddington, J. M. (School of Geography and Geology, McMaster University, Hamilton, ON L8S 4K1, Canada) , Devito, K. J. (Department of Biological Sciences, University of Alberta, Edmonton, AB T6G 2E9 Canada)

Abstract ▼ AI-Helper

The advantage of an irrigation system is that experiments of varying precipitation duration and intensity can be performed in a controlled situation. An effective portable irrigation system is described for use in experimental plot hillslope and wetland runoff studies. The system consists of four parts:(1) a water pump; (2) a tracer reservoir; (3) a chemical feed pump; and (4) distribution hoses. Relatively uniform water application is achieved by a series of manual valves controlling water flow from the main carrier hose to the distribution hoses. The irrigation system materials are inexpensive and installation and operation costs are minor. The system was used to study runoff generation from a small-saturated area in a spring-fed swamp for a range of precipitation intensities and durations. The irrigation system applied a maximum intensity of 14·0mm h−1, for a maximum duration of 180 min, to a 190m2 area. This range of application incorporated all storms up to a one in three year event. The variance of the tracer load was almost three times greater for natural (60%) than with the irrigation system (22%). The irrigation system reduced the uncertainty in the pre-event water fraction (using a two-component hydrograph separation) from 3·4% in natural events to only 0·7%. The irrigation system design, operation, calibration and cost are presented. Copyright © 2001 John Wiley & Sons, Ltd.

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참고문헌 (20)

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용어 설명: PCR은 세균 특이성이 있는 primer를 이용하여 적은 수의 세균이 있을지라도 쉽게 검출할 수 있는 유용한 방법이며, 이를 이용하여 구강 내 치면세균막이나 타액에서 직접 세균을 검출할 수 있게 되었다[8].

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Portable irrigation system for studying hillslope and wetland runoff generation processes

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