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Interpreting charac...
Interpreting characteristic drainage timescale variability across Kilombero Valley, Tanzania
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- Lyon, Steve W. (författare)
- Stockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)
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- Koutsouris, Alexander (författare)
- Stockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)
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- Scheibler, Friedemann (författare)
- Stockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)
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- Jarsjö, Jerker (författare)
- Stockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)
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- Mbanguka, Rene (författare)
- Stockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)
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Tumbo, Madaka (författare)
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Robert, Keven K. (författare)
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Sharma, Asha N. (författare)
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van der Velde, Ype (författare)
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(creator_code:org_t)
- 2014-09-11
- 2015
- Engelska.
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Ingår i: Hydrological Processes. - : Wiley. - 0885-6087 .- 1099-1085. ; 29:8, s. 1912-1924
- Relaterad länk:
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https://doi.org/10.1...
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https://onlinelibrar...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We explore seasonal variability and spatiotemporal patterns in characteristic drainage timescale (K) estimated from river discharge records across the Kilombero Valley in central Tanzania. K values were determined using streamflow recession analysis with a Brutsaert-Nieber solution to the linearized Boussinesq equation. Estimated K values were variable, comparing between wet and dry seasons for the relatively small catchments draining upland positions. For the larger catchments draining through valley bottoms, K values were typically longer and more consistent across seasons. Variations in K were compared with long-term averaged, Moderate-resolution Imaging Spectroradiometer-derived monthly evapotranspiration. Although the variations in K were potentially related to evapotranspiration, the influence of data quality and analysis procedure could not be discounted. As such, even though recession analysis offers a potential approach to explore aquifer release timescales and thereby gain insight to a region's hydrology to inform water resources management, care must be taken when interpreting spatiotemporal shifts in K in connection with process representation in regions like the Kilombero Valley.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Naturgeografi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Physical Geography (hsv//eng)
Nyckelord
- characteristic drainage timescale
- streamflow recession analysis
- Kilombero Valley
- water resources management
- Physical Geography
- naturgeografi
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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