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Detecting the trends in meteorological variables and investigating their effects on runoff over the last 50 years.
KTH, School of Architecture and the Built Environment (ABE), Land and Water Resources Engineering.
2012 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

There is now a general consensus among scientists on occurrences of more and intense climatic disasters, floods and droughts, everywhere in the future. To act sooner and smarter against these negative impacts, we must shift our focus in better understanding of the future climate change and possible implications of that to better manage our water resources. Certainly, there is a link between the future effects of climate change on water resources and trends of climatic variables. In this study, by using Mann-Kendall trend analysis method, it is concluded that from 1961 to 2010 only temperature has an upward trend, in all the seasons and yearly, in all the 16 studied stations from north, middle and south of Sweden. Furthermore, runoff simulated by HBV model shows increasing trend in summer and winter which is in partially agreement with the recorded one that discerns a growth in the mentioned seasons, as well as yearly. What is more, potential evapotranspiration estimated by FAO Penman-Monteith equation and actual one simulated by CoupModel reveal a rise in spring for the former and both spring and winter for the latter. Other meteorological variables do not show any significant trend, while intensive precipitation increased in winter and summer in the majority of the stations. Comparing the runoffs simulated by CoupModel and HBV model shows that HBV works better for three selected stations which can enforce the claim that HBV works better for smaller fields.

Place, publisher, year, edition, pages
2012. , 38 p.
Series
TRITA-LWR Degree Project, ISSN 1651-064X ; LWR-EX-12-10
Keyword [en]
CoupModel; HBV model; Climate change impact; Trend analysis; Soil and plant parameters
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-99342OAI: oai:DiVA.org:kth-99342DiVA: diva2:541962
Educational program
Degree of Master - Water System Technology
Uppsok
Technology
Supervisors
Examiners
Available from: 2012-07-26 Created: 2012-07-26 Last updated: 2012-07-26Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • asciidoc
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