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  • 1
    Electronic Resource
    Electronic Resource
    Effect of climate change on regional precipitation in Lake Balaton watershed (1995)
    Springer
    Theoretical and applied climatology 51 (1995), S. 237-250 
    Details
    ISSN: 1434-4483
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary A methodology is developed and applied to the area of Lake Balaton and its drainage basin, a region of Western Hungary, to estimate the space-time distribution of daily precipitation under climate change. Lake Balaton is the largest lake in Central and Western Europe; it has a central location in the country and its drainage basin covers about the 20% of Hungary (together with the Sió Canal). The methodology is based on an analysis of the semi-Markovian properties of atmospheric macrocirculation pattern types (MCP), and a stochastic linkage between daily (here 700 hPa) MCP types and daily precipitation events. Historical data and General Circulation Model (GCM) output of daily MCP corresponding to 1 · CO2 and 2 · CO2 scenarios are considered in this study. Time series of both local and areal precipitation corresponding for both scenarios are simulated and their statistical properties are compared. For the temperate continental climate of Western Hungary a slightly variable spatial response to climate change is obtained. Under 2 · CO2 conditions most of the local and the areal average precipitation suggests, a somewhat dryer precipitation regime in Western Hungary. The sensitivity of the results to the GCM utilized should be considered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00867282
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    Paper (German National Licenses)
    Fulltext
  • 2
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    MED-CORDEX initive for Mediterranean climate studies. (2018)
    Details
    Publication Date: 2021-05-19
    Description: The Mediterranean is expected to be one of the most prominent and vulnerable climate change “hotspots” of the twenty-first century, and the physical mechanisms underlying this finding are still not clear. Furthermore, complex interactions and feedbacks involving ocean–atmosphere–land–biogeochemical processes play a prominent role in modulating the climate and environment of the Mediterranean region on a range of spatial and temporal scales. Therefore, it is critical to provide robust climate change information for use in vulnerability–impact–adaptation assessment studies considering the Mediterranean as a fully coupled environmental system. The Mediterranean Coordinated Regional Downscaling Experiment (Med-CORDEX) initiative aims at coordinating the Mediterranean climate modeling community toward the development of fully coupled regional climate simulations, improving all relevant components of the system from atmosphere and ocean dynamics to land surface, hydrology, and biogeochemical processes. The primary goals of Med-CORDEX are to improve understanding of past climate variability and trends and to provide more accurate and reliable future projections, assessing in a quantitative and robust way the added value of using high-resolution and coupled regional climate models. The coordination activities and the scientific outcomes of Med-CORDEX can produce an important framework to foster the development of regional Earth system models in several key regions worldwide.
    Description: Published
    Keywords: MED-CORDEX ; Climate changes
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.1187-1208
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    PAPER (OA)
  • 3
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    Outreach of climate change attribution in Hungary using seasonal indicators (2023)
    In:  XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
    Details
    Publication Date: 2023-07-04
    Description: The scientific community is well aware of the anthropogenic global warming and its consequences at regional level. However, the public is still not informed well enough, and may be confused especially due to the overwhelming, often contradictory social media environment. This is why we initiated a project with the aim to present and explain scientific results of regional climate change via a national platform (www.masfelfok.hu) established for climate awareness dissemination towards public, within this framework we also use a broad media platform and a large social media network as well. The message is formed as well-illustrated short studies focusing on various seasonally relevant climate indicators, mainly related to climatic extremes. The scientific background is based on calculations using reliable data: observation-based homogenized fine-resolution gridded data for Hungary (HUCLIM), outputs (i.e. CMIP6 data) from global climate model simulations with natural-only forcing as well as historical forcing (when anthropogenic concentration changes are also taken into account), regional climate model simulation outputs (i.e. EUROCORDEX data) for past decades (beginning from the last quarter of the 20th century) and future decades until the end of 21st century with strong mitigation, lighter mitigation, and non-mitigation scenarios. Studies are published in every 4-6 weeks, and online and traditional media connections are also used to outreach the public.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 4
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    Synoptical climatological analysis of temperature extremes associated to stable anticyclones over the Carpathian region (2023)
    In:  XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
    Details
    Publication Date: 2023-09-12
    Description: Anthropogenic global climate change results in changes of regional extremes as well as in changes in large-scale circulation patterns. The aim of this study is to analyze the past and future trends of the spatial extension, frequency, duration and intensity of temperature extremes (both heat- and freeze-related). For this purpose, we use extreme climate indices derived from daily minimum, maximum and mean temperature (Tmin, Tmax, Tmean, respectively). Datasets are used from the following sources: observation-based gridded data for Hungary (i.e. HUCLIM, 1971-2020), regional climate model simulation outputs (i.e. EURO-CORDEX data, 1951-2100) including both historical (1951-2005) and scenario (2006-2100) runs. The target area of the study is Hungary, surrounded by the Carpathian mountain chains, so anticyclones can dominate the majority or even the entire area of the Carpathian basin. Here, anticyclones tend to result in cold conditions in winter due to long, cloud-free nights, whereas heatwaves in summer due to intense solar radiation during dry days. This is why the periods of both severe winter days (when Tmin 〈 -10 °C) and intense heatwave days (when Tmean 〉 27 °C for at least 3 days, Tmax 〉 35 °C) are analyzed in this poster.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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