Dear Colleagues

We warmly invite You to submit an abstract to the session:

HS2.2.4 Impacts of climatic and environmental changes on hydrological extremes in mid- and high-latitudes

Convener: Renata Romanowicz
Co-conveners: Hege Hisdal and Martijn Booij
Session description:

Climate warming and land use changes can cause changes in both high and low flow regimes. These changes can be particularly complex in mid- and high- latitudes due to the potential impact of such changes on the snow cover. Increases in temperature, for
example, can lead to a change in water storage dynamics and flow seasonality, which may be quite different than those which might be interpreted from changes in patterns of seasonal and extreme precipitation. Such changes can influence the timing and
magnitudes of extreme events, as well as seasonal low and high flows. Hydrological extremes have a direct effect on society and water dependent sectors, including agriculture, forestry, fishing, hydropower, domestic water supply, and tourism. It is
therefore important for society as a whole that the occurrence and patterns of hydrological extremes, both under a present and future climate are well understood. Such knowledge is a prerequisite for adaptation of water resources management to changing
hydrological conditions.
The session will address both methodological and practical issues related to the analysis and modelling of extreme events within the context of changing meteorological and hydrological regimes, both under present and future conditions. In this regard the
processes involved will be treated as mutually dependent. The understanding of this dependence and feedback mechanisms acting within the complex society and environment interactions is of great importance in the development of the adaptation measures and
managing future water resources.
Contributions from scientists working on various aspects of modelling of hydrological processes in mid- and high - latitude located catchments are welcome. The topics include:
* Detection of trends and shifts in observed and projected future hydro-climatological data; analysis of possible sources of changes (relationships with atmospheric circulation patterns).
* Adaptation of hydrological models to varying conditions in a catchment including effects of changing snow cover (parametric/structural non-stationarity).
* Development of methods for quantifying uncertainty in hydrological future climate and land use projections resulting from the propagation of uncertainty from multiple ensembles and hydrological model structure and parametric uncertainty;
nonstationary frequency analysis for extreme hydrological events (floods and droughts).
* Attribution of changes in floods and droughts to environmental changes including climate change, land use change and changes in water management.
* Adaptation issues: expected future changes in floods and droughts and how these may affect various sectors; adaptation strategies for managing the impact of climate change on hydrological extremes; feedback mechanisms in water-society interactions
and their impact on adaptation strategies.

Abstract submission Deadline for Receipt of Abstracts: 13 January 2016 , 13:00 CET

More information:
http://egu2016.eu/information/deadlines_and_milestones.html
Please see the website of the session at: http://meetingorganizer.copernicus.org/EGU2016/session/21566
Sincerely,
The conveners:
Renata Romanowicz (Institute of Geophysics PAS, Poland), Hege Hisdal Hisda (Norwegian Water and Energy Directorate, Norway) and Martijn Booij (University of Twente, Netherlands)

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