PannEx: The Pannonian Basin Experiment

Ceglar, Andrej; Croitoru, Adina‐Eliza; Cuxart, Joan; Djurdjević, Vladimir; Güttler, Ivan; Ivančan-Picek, Branka; Jug, Danijel; Lakatos, Mónika; Weidinger, Tamás

doi:10.1016/j.cliser.2018.05.002

Cited by 25 publications

(21 citation statements)

References 49 publications

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“…As the Penman-Monteith method is considered the most reliable method, the validation was made against that for each grid point on an annual basis. Similar comparisons can be found in Chen et al (2005). Note that the biases and root mean square errors are normalized by the means of the Penman-Monteith estimates.…”

Section: Comparison Of the Penman-monteith Et 0 And Thornthwaite Estimentioning

confidence: 64%

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Computation of daily Penman–Monteith reference evapotranspiration in the Carpathian Region and comparison with Thornthwaite estimates

et al. 2020

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Abstract. The Pannonian Basin Experiment (PannEx) is a Regional Hydroclimate Project (RHP) of the World Climate Research Programme (WCRP) Global Energy and Water Exchanges (GEWEX) Project. A gridded meteorological dataset is available for the PannEx region as part of the CarpatClim database, which consists of homogenized and harmonized daily meteorological observations for several climate parameters with 0.1∘ spatial resolution in the period of 1961–2010. The estimation of the Penman–Monteith reference evapotranspiration (ET0) on the daily scale was performed for the CarpatClim grid as one of the first results in the PannEx initiative. This study compares the already accessible Thornthwaite estimates of potential evapotranspiration (PET_Th) on the monthly scale to the newly derived Penman–Monteith estimates. The comparison is made on an annual and seasonal basis for the 50-year period. The distribution of both estimates is influenced by geographical location and orographic features. The annual time series are similar but the regional-average annual values of ET0 are ∼80 mm greater than the Thornthwaite estimate in the whole CarpatClim region. The relative bias and root mean square error was computed as well. The classical Thornthwaite method underestimates the ET0 by more than 20 % over extensive regions for selected grid points at elevations lower than 200 m in the Pannonian Basin. The slope of the fitted linear trend indicate increasing reference evapotranspiration in the Pannonian/Carpathian Basin due to climate change.

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Section: Comparison Of the Penman-monteith Et 0 And Thornthwaite Estimentioning

confidence: 64%

“…The PannEx research community has prepared a White book with the objective of first to identify the main scientific issues to address, and then drawing up a detailed science plan to define the major objectives outlined (Ceglar et al, 2018;PannEx White Book, 2019).…”

Section: Introductionmentioning

confidence: 99%

Computation of daily Penman–Monteith reference evapotranspiration in the Carpathian Region and comparison with Thornthwaite estimates

et al. 2020

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“…A well-documented example is the shift in the climatic suitability for wine production, which was spatially mostly confined to Mediterranean, southern maritime, and Pannonian regions in Europe (Hannah et al, 2013), and which expanded in the recent period in several regions of central and western Europe (Spinoni et al, 2015). In addition to more frequent and intense heat waves and droughts, anomalous wet conditions have often significantly contributed to crop yield reduction (Ben-Ari et al, 2018;Brisson et al, 2010;Ceglar et al, 2018;Olesen et al, 2017;Trnka et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Observed Northward Migration of Agro‐Climate Zones in Europe Will Further Accelerate Under Climate Change

et al. 2019

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This study focuses on the northward shift of homogeneous agro-climate zones in Europe analyzed for the observed past and projected climate conditions for the next decades. Statistical cluster analysis is used to derive eight main agro-climatic zones driven by two agro-meteorological indicators, namely, active temperature sum and thermal growing season length. The northward shift of homogeneous agro-climate zones and the corresponding change of crop growth suitability are analyzed together with the change of exposure of crops to temperature-related climate extremes during the growing season. Gradual warming over Europe has contributed to a lengthening of the growing season and an increased active temperature accumulation, accompanied by more frequent occurrence of warm extreme climate events. Using a set of five high-resolution regional climate scenarios, we calculate that a major part of Europe will be affected by further northward climate zone migration. In the next decades, the migration of agro-climatic zones in Eastern Europe may reach twice the velocity observed during the period 1975-2016. Several regions of the Mediterranean may lose suitability to grow specific crops in favor of northern European regions. This indicator-based assessment suggests that the potential advantages of the lengthening of the thermal growing season in northern and eastern Europe are often outbalanced by the risk of late frost and increased risk of early spring and summer heat waves.

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“…This research was developed under the framework of the research grant Extreme weather events related to air temperature and precipitation in Romania (project code: PN‐II‐RU‐TE‐2014‐4‐0736), funded by the Executive Unit for Financing Higher Education, Research, Development, and Innovation (UEFISCDI) in Romania (http://www.granturi.ubbcluj.ro/fmetpro). The international cooperation to perform this research was developed under the Regional Hydro‐climatological Project Pannonnian Basin Experiment (PannEx) (Ceglar et al ., ). The authors acknowledge the daily precipitation data provided by the European Climate Assessment and Dataset project (Klein Tank et al ., ), the Meteomanz database, and the National Meteorological Administration in Romania for the historical precipitation data and EURO‐CORDEX project database for the freely provided modelled data.…”

Section: Acknowledgementsmentioning

confidence: 99%

“…ro/fmetpro). The international cooperation to perform this research was developed under the Regional Hydroclimatological Project Pannonnian Basin Experiment (PannEx) (Ceglar et al, 2018). The authors acknowledge the daily precipitation data provided by the European Climate Assessment and Dataset project (Klein Tank et al, 2002), the Meteomanz database, and the National Meteorological Administration in Romania for the historical precipitation data and EURO-CORDEX project database for the freely provided modelled data.…”

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confidence: 99%

Future changes in five extreme precipitation indices in the lowlands of Romania

Harpa

Croitoru

Djurdjević

et al. 2019

Intl Journal of Climatology

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This paper presents the results of a study focused on the projected changes in extreme precipitation indices in Romania during three future periods: 2021–2040, 2041–2070, and 2071–2100. We investigated changes in future climate based on historical and modelled data sets of daily precipitation. We compared the values calculated for the three future periods with those obtained for the historical reference period 1961–1990. The historical observation data recorded at 30 weather stations and data extracted from six regional climate model outputs (ALADIN53, CCLM4‐8‐17, RACMO22E, RCA4, REMO2009, and WRF331F) under moderate (RCP4.5) and pessimistic (RCP8.5) scenarios were employed. Five indices established by the Expert Team for Climate Change Detection Monitoring and Indices were analysed: consecutive dry days, consecutive wet days, heavy precipitation days, very heavy precipitation days, and annual total wet‐day precipitation. The series of indices were generated using ClimPACT2 software. Based on bias correction methods, the quality of the modelled data considerably increased, and the errors obtained for the daily precipitation varied in the range of ±0.05 to ±1.22 mm/day. The main findings revealed an increase in three of the extreme precipitation indices based on all models considered compared to the historical period. The most important increase (more than 50%) compared to the historical period was detected in the frequency of very heavy precipitation days and the annual total wet‐day precipitation. They were followed by the heavy precipitation days index. The consecutive dry days index indicated mainly no change or a slow decrease, while inconsistencies among the results of regional climate models were detected for the consecutive wet days index. For all indices except the consecutive dry days index, the ALADIN53 and WRF331F models provided the highest projected values for both scenarios. The dispersion of values obtained as model output for each location was higher for RCP8.5 than for RCP4.5.

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PannEx: The Pannonian Basin Experiment

Cited by 25 publications

References 49 publications

Computation of daily Penman–Monteith reference evapotranspiration in the Carpathian Region and comparison with Thornthwaite estimates

Computation of daily Penman–Monteith reference evapotranspiration in the Carpathian Region and comparison with Thornthwaite estimates

Observed Northward Migration of Agro‐Climate Zones in Europe Will Further Accelerate Under Climate Change

Future changes in five extreme precipitation indices in the lowlands of Romania

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