uu.seUppsala University Publications
Change search
ReferencesLink to record
Permanent link

Direct link
Hydrological processes in small catchments of mountain headwater lakes: The Tatra Mountains
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Air and Water Science.
Show others and affiliations
2006 (English)In: Biologia (Bratislava), ISSN 0006-3088, E-ISSN 1336-9563, Vol. 61, S1-S10 p.Article in journal (Refereed) Published
Abstract [en]

This study evaluates runoff and different methods for the estimation of water balance and runoff genesis in four small alpine catchments, which lie outside the standard network of hydrological and climate networks. These test catchments, whose size ranges between 2.3 and 110 ha, are located above the timberline at elevations between 1,784 and 2,380 m. Their land surfaces consist of lakes, rock formations, debris deposits, and alpine meadows. Hydrological data were collected for the water year 2001. The catchments were instrumented by three automatic weather stations recording global and net solar radiation, air temperature, humidity, precipitation, and soil temperature. Lake water levels were registered with staff gauges and runoff evaluated from water storage calculations. Runoff genesis was investigated by means of chemical tracers (Rhodamine WT and Lithium chloride). Hydrological process estimations were made using standard methods including: the input of precipitation and snowmelt, both potential and actual evaporation, which was estimated by the approaches of HAMON, PRIESTLEY-TAYLOR, PENMAN and GRINDLEY, and runoff calculated from the lake storage, were compared with results of the conceptual hydrological BROOK90 model. The empirical results show that hydrological processes are governed by the temperature-dependent regime of high mountain snowmelt. However, the major differences in water yield and runoff genesis between watersheds were due to differences in the morphologies of the lakes and their basins, the soil-vegetation complex, and runoff routing. Evaluating approaches to estimation, PENMAN's combination of both aerodynamic and energy balance method provides the best fit to observed data with observed evapotranspiration being 78 to 99% of the potential calculated. The deterministic BROOK90 model is effective for precipitation-runoff genesis studies in small headwater catchments. In the L'adove pleso basin predicted and observed water yield show close correlation. The annual sum of actual evapotranspiration calculated by BROOK90 (352 mm) corresponds closely to that estimated by the approach of Penman (386 mm).

Place, publisher, year, edition, pages
2006. Vol. 61, S1-S10 p.
Keyword [en]
alpine catchments, precipitation, evaporation, runoff genesis, water balance, Slovakia, Poland
National Category
Earth and Related Environmental Sciences
URN: urn:nbn:se:uu:diva-153745ISI: 000241735600002OAI: oai:DiVA.org:uu-153745DiVA: diva2:417809
Available from: 2011-05-18 Created: 2011-05-18 Last updated: 2011-05-18Bibliographically approved

Open Access in DiVA

No full text

By organisation
Air and Water Science
In the same journal
Biologia (Bratislava)
Earth and Related Environmental Sciences

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Total: 141 hits
ReferencesLink to record
Permanent link

Direct link