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Climate Impact of Low Flows and Droughts (CLIFAD)

Project Leader: Laaha Gregor, Project Leader

Duration:: 01.01.2011-31.12.2013

Programme:: Klima- und Energiefonds

Type of Research: Applied Research

Project partners: Vienna University of Technology, Institute of Hydraulic Engineering, Karlsplatz 13, 1040 Wien, Austria.
Contact person: Prof. Günter Blöschl;
Function of the Project Partner: Partner; Zentralanstalt für Meteorologie und Geodynamik, Hohe Warte 38, 1190 Wien, Austria.
Contact person: Dr. Wolfgang Schöner;
Function of the Project Partner: Partner

Staff: Koffler Daniel, Project Staff (bis 01.03.2014)

BOKU Research Units: Institute of Statistics

Funded by: Klima- und Energiefonds, Leopold-Ungar-Platz 2 / Stiege 1 / 4.OG / Top 142, 1190 Wien, Austria

Abstract: The purpose of the project is to analyse the potential impact of climate change on low flows and droughts in Austria. The approach adopted consists of a number of complementary work packages that are designed to strengthen the credibility of the impact projections. Scenario based analyses of future low flows and droughts are performed in both statistical and deterministic modes to be able to account for differences in the predictability of future climate variables. Future air temperatures are known with better confidence than is future precipitation and these differences are mapped onto the low flow and drought projections. To support these projections, statistical analyses of hydrological low flows and droughts are performed in a space-time context which go beyond the traditional single-site trend analyses and identify spatial fluctuations and trends by exploiting the space-time correlations of low flow and drought patterns. By assessing the relative credibility of the various analyses steps the potential climate impact on low flows and droughts will be inferred. An important result are estimates of uncertainty bounds of the projections to understand the robustness of the project findings.

Keywords: information and data processing; hydrology; water management; Technical statistics;; Climate Change; Low flow; Space-time modelling; Drought; Environmetrics;

Publications

* Laaha, G; Haslinger, K; Koffler, D; Parajka, J; Schöner, W; Viglione, A; Zehetgruber, J; Blöschl, G (2016): Ein Drei-Standbeine Ansatz zur Ermittlung zukünftiger Niederwasserabflüsse in Österreich.

Österreichische Wasser- und Abfallwirtschaft, 68 / 1-2, 54-57; ISSN 0945-358X FullText FullText_BOKU

** Laaha, G; Parajka, J; Viglione, A; Koffler, D; Haslinger, K; Schoner, W; Zehetgruber, J; Bloschl, G A three-pillar approach to assessing climate impacts on low flows.

HYDROL EARTH SYST SC. 2016; 20(9): 3967-3985. WoS FullText FullText_BOKU

** Parajka, J; Blaschke, AP; Bloschl, G; Haslinger, K; Hepp, G; Laaha, G; Schoner, W; Trautvetter, H; Viglione, A; Zessner, M Uncertainty contributions to low-flow projections in Austria.

HYDROL EARTH SYST SC. 2016; 20(5): 2085-2101. WoS FullText FullText_BOKU

* Laaha, G; Parajka, J; Viglione, A; Koffler, D; Haslinger, K; Schöner, W; Zehetgruber, J;;Blöschl, G (2015): A three-pillar approach to assessing climate impacts on low flows.

Hydrology and Earth System Sciences Discussions, 12, 13069-13122; ISSN 1812-2108 FullText

** Nosrati, K; Laaha, G; Sharifnia, SA; Rahimi, M Regional low flow analysis in Sefidrood Drainage Basin, Iran using principal component regression.

HYDROL RES. 2015; 46(1): 121-135. WoS FullText FullText_BOKU

** Van Loon, AF; Laaha, G Hydrological drought severity explained by climate and catchment characteristics.

J HYDROL. 2015; 526: 3-14. WoS FullText FullText_BOKU

** Van Loon, AF; Ploum, SW; Parajka, J; Fleig, AK; Garnier, E; Laaha, G; Van Lanen, HAJ Hydrological drought types in cold climates: quantitative analysis of causing factors and qualitative survey of impacts.

HYDROL EARTH SYST SC. 2015; 19(4): 1993-2016. WoS FullText FullText_BOKU

** Haslinger, K; Koffler, D; Schoner, W; Laaha, G Exploring the link between meteorological drought and streamflow: Effects of climate- catchment interaction.

WATER RESOUR RES. 2014; 50(3): 2468-2487. WoS FullText FullText_BOKU

** Laaha, G; Skoien, JO; Bloschl, G Spatial prediction on river networks: comparison of top-kriging with regional regression.

HYDROL PROCESS. 2014; 28(2): 315-324. WoS FullText FullText_BOKU

** Skoien, JO; Bloschl, G; Laaha, G; Pebesma, E; Parajka, J; Viglione, A rtop: An R package for interpolation of data with a variable spatial support, with an example from river networks.

COMPUT GEOSCI-UK. 2014; 67: 180-190. WoS FullText FullText_BOKU

** Szolgayova, E; Laaha, G; Bloschl, G; Bucher, C Factors influencing long range dependence in streamflow of European rivers.

HYDROL PROCESS. 2014; 28(4): 1573-1586. WoS FullText FullText_BOKU

Karanitsch-Ackerl, S; Grabner, M; Holawe, F; Laaha, G (2014): Tree rings as a tool for reconstructing historic droughts in northeastern Austria.
[6th EGU Leonardo Conference 2014, Prague, Czech Republic, 13.11.2014 - 14.11.2014]

In: Vizina, A. & Laaha, G. (Eds.), HYPER Droughts: Hydrological Precipitation Evaporation Runoff Droughts - Book of Abstracts of the 6th EGU Leonardo Conference, 13-14 Nov 2014, Prague, Czech Republic , 139 p

Laaha, G; Koffler, D; Haslinger, K; Schöner, W; Parajka, J; Viglione, A; Zehetgruber, J; Yassouridis, C; Blöschl, G (2014): A three-pillar approach to assess climate impacts on low flows and droughts in Austria.
[European Geosciences Union EGU General Assembly 2014, Vienna, Austria, 27.04.2014 - 02.05.2014]

In: European Geophysical Union, Geophysical Research Abstracts, Vol. 16

Stahl, K; Vidal, J-P; Hannaford, J; Prudhomme, C; Laaha, G; Tallaksen, LM (2014): Synthesizing changes in low flows from observations and models across scales.
[7th Global FRIEND-Water Conference, Montpellier, France, 07.10.2014 - 10.10.2014]

In: Daniell, T; Van Lanen, H.A.J; Demuth, S; Laaha, G; Servat, E; Mahe, G; Boyer, J-F; Paturel, J-E; Dezetter, A; Ruelland, D (Eds.), Hydrology in a Changing World: Environmental and Human Dimensions, IAHS Publication 363, ISSN 0144-7815

Van Loon, A; Laaha, G; Koffler, D (2014): The relative influence of climate and catchment properties on hydrological drought.
[European Geosciences Union EGU General Assembly 2014, Vienna, Austria, 27.04.2014 - 02.05.2014]

** Koffler, D; Laaha, G WMO Initiative Integrated Drought Management Programme.

HYDROL WASSERBEWIRTS. 2013; 57(4): 176-178. WoS

** Laaha, G; Skoien, JO; Nobilis, F; Bloschl, G Spatial Prediction of Stream Temperatures Using Top-Kriging with an External Drift.

ENVIRON MODEL ASSESS. 2013; 18(6): 671-683. WoS FullText FullText_BOKU

** Salinas, JL; Laaha, G; Rogger, M; Parajka, J; Viglione, A; Sivapalan, M; Bloschl, G Comparative assessment of predictions in ungauged basins - Part 2: Flood and low flow studies.

HYDROL EARTH SYST SC. 2013; 17(7): 2637-2652. WoS FullText FullText_BOKU

** Viglione, A; Parajka, J; Rogger, M; Salinas, JL; Laaha, G; Sivapalan, M; Bloschl, G Comparative assessment of predictions in ungauged basins - Part 3: Runoff signatures in Austria.

HYDROL EARTH SYST SC. 2013; 17(6): 2263-2279. WoS FullText FullText_BOKU

Haslinger, K; Koffler, D; Blöschl, G; Parajka, J; Schöner, W; Laaha, G (2013): Evaluation of meteorological drought indices for streamflow modeling. [Poster]
[European Geosciences Union EGU General Assembly 2013, Vienna, Austria, 07.04.2013 - 12.04.2013]

, Geophysical Research Abstracts, Vol. 15

Haslinger, K; Koffler, D; Blöschl, G; Parajka, J; Schöner, W; Laaha, G; (2013): Evaluierung von Meteorlogischen Dürre-Indizes als Proxies für Niederwasserrekonstruktionen der letzten 200 Jahre. [Poster]
[14. Klimatag 2013 - Klimawandel, Auswirkungen und Anpassung sowie Vermeidung, Vienna, Austria, 04.04.2013 - 05.04.2013]

In: Climate Change Centre Austria CCCA und Klima- und Energiefonds gemeinsam mit Universität für Bodenkultur Wien, Tagungsband 14. Klimatag - Klimawandel, Auswirkungen und Anpassung sowie Vermeidung, p. 104

Koffler, D; Haslinger, K; Schöner, W; Parajka, J; Blöschl, G; Laaha, G (2013): Reconstruction of monthly streamflow indices from two centuries of HISTALP-DATA. [Poster]
[European Geosciences Union EGU General Assembly 2013, Vienna, Austria, 07.04.2013 - 12.04.2013]

, Geophysical Research Abstracts, Vol. 15

Koffler, D; Laaha, G; Haslinger, K; Schöner, W; Parajka, J; Blöschl, G (2013): Reconstruction of monthly streamflow indices from two centuries of HISTALP-DATA - A pilot study. [Poster]
[14. Klimatag 2013 - Klimawandel, Auswirkungen und Anpassung sowie Vermeidung, Vienna, Austria, 04.04.2013 - 05.04.2013]

Laaha, G; Koffler, D; Haslinger, K; Schöner, W; Parajka, J; Blöschl, G (2013): Climate impacts on low flows and droughts - Exploring the link between low flows and climate for long-term trend analysis.
[14. Klimatag 2013 - Klimawandel, Auswirkungen und Anpassung sowie Vermeidung, Vienna, Austria, 04.04.2013 - 05.04.2013]

Koffler, D; , Laaha,G; Blöschl,G; Parajka,J; Schöner,W; Haslinger,K (2012): Climate Impact on Low-flows in Austria Results of a station-by-station trend analysis. [Poster]
[13. Österreichischer Klimatag 2012 - Forschung zu Klima, Klimawandel und Auswirkungen in Österreich, Vienna, Austria, 14.06.2012 - 15.06.2012]

In: Klimaforschungsinitiative AustroClim Klimaforschungsnetzwerk Österreich CCCA Klima- und Energiefonds , Tagungsband, 13. Österreichischer Klimatag , http://www.austroclim.at/index.php?id=klimatag2012

Laaha, G; Koffler, D (2012): Auswirkungen des Klimawandels auf Niederwasserabflüsse in Österreichs Flüssen und Bächen.
[140 Jahre Universität für Bodenkultur Wien 2012 - Quo vadis, Universität(en)?, Vienna, Austria, 02.02.2012 - 03.02.2012]

In: Universität für Bodenkultur Wien, Quo Vadis, Universität(en)? Festschrift 140 Jahre Universität für Bodenkultur, ISSN: 978-3-900932-10-7

Koffler, D; Sturmlechner M.; Laaha, G. (Hrsg.) (2012): Symposium on Climate Impacts on Low Flows and Droughts, Vienna 2012 - Abstracts.

Technical Report of the Institute of Applied Statistics TR-AS-12-1, Vienna. FullText

Vorträge

Laaha, G. (2015): Eine Drei-Standbeine-Analyse zukünftiger Niederwasserabflüsse in Österreich.

6. Sitzung des ÖWAV-Arbeitsausschusses „Forum Klimawandel- Interdisziplinärer Dialog über Auswirkungen des Klimawandels auf die Wasserwirtschaft“ , NOV 19, 2015, Vienna, AUSTRIA