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Groundwater and meltwater in the snowmelt induced runoff
Luleå tekniska universitet.
1982 (Engelska)Ingår i: Hydrological Sciences Bulletin, ISSN 0303-6936, Vol. 27, nr 2, s. 147-158Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Various snowmelt-induced runoff processes are discussed. The influence of the diurnal snowmelt cycle on the runoff from basins of different type is analyzed. Through the analysis of measured hydrographs it is shown that conclusions about the origin of streamflow can be drawn from these anlyses. The study concludes that the low in small streams originates from groundwater and overland flow, with the ratio between the two different kinds of flow depending on basin characteristics. The character of the two flows is very different. The discharge in a stream in a basin which is dominated by overland flow follows the diurnal snowmelt fluctuations and is high from the first day of snowmelt. Streamflow originating from groundwater also reacts to snowmelt fluctuations, but the fluctuations are small, and the mean daily flow is increasing during the snowmelt period. One analyzed discharge hydrograph of a stream draining a small watershed has such a character that the streamflow in the first phase of the snowmelt period must mainly originate from overland flow from a large open meadow. In the final phase of the snowmelt period the streamflow is mostly due to groundwater flow recharged on a forested area, but overland flow also constitutes an important part of the total runoff

Ort, förlag, år, upplaga, sidor
1982. Vol. 27, nr 2, s. 147-158
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URN: urn:nbn:se:ltu:diva-11374Lokalt ID: a5348fa0-0ad5-11dd-ae49-000ea68e967bOAI: oai:DiVA.org:ltu-11374DiVA, id: diva2:984324
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Godkänd; 1982; 20080415 (cira)Tillgänglig från: 2016-09-29 Skapad: 2016-09-29Bibliografiskt granskad

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