4 results on '"Kreso Pandzic"'
Search Results
2. A Review of the Contribution of Satellite Altimetry and Tide Gauge Data to Evaluate Sea Level Trends in the Adriatic Sea within a Mediterranean and Global Context
- Author
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Krešo Pandžić, Tanja Likso, Ranko Biondić, and Božidar Biondić
- Subjects
sea level ,tide gauge ,satellite altimetry ,the Eastern Adriatic coast ,Croatia ,global mean sea level ,Environmental sciences ,GE1-350 - Abstract
The relatively new sea level satellite altimetry and secular coastal tide gauge data made the reconstruction of sea levels on regional and global scales possible about one century back. Due to better estimations of the Earth’s crustal, glacial, tectonic, and other possible motion biases in tide gauge data, some additional improvements can be expected in sea level reconstructions, analysis, and predictions. A more detailed review of published sea level-related results was conducted for the Eastern Adriatic coast, including the operation of the tide gauge network and data processing, crustal movement estimations, and the establishment of a new reference height system in Croatia, based on five tide gauge sea level data. It was shown that sea level variation and trend-related indicators are spatially homogeneous, especially on a sub-Adriatic scale. The regional Adriatic Sea mean sea level rise rate of +2.6 mm/year for the satellite altimetry era (1993–2019) is less than the global mean sea level (GMSL) rise rate of +3.3 mm/year for the period of 1993–2022. Several empirical methods for GMSL projections and expected IPCC (Intergovernmental Panel on Climate Change) assessments until the end of the 21st century are considered.
- Published
- 2024
- Full Text
- View/download PDF
3. Profiling the Atmospheric Boundary Layer at European Scale - COST Action
- Author
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Kreso Pandzic and Tanja Likso
- Subjects
Planetary boundary layer ,Profiling (information science) ,Environmental science ,Cost action ,Remote sensing - Abstract
A three-dimensional spatial analysis of atmosphere, including its boundary layer, has become possible after upper air vertical atmospheric observation started. Mountain observatories, as e.g. at the Sonnblick Observatory in Austrian Alpine, which operates since 1866, belong to a group of such observation. During 18-th and 19-th century upper air observations have been made by balloons equipped with meteorological instruments. The first such observation was done at Glasgow in 1749. The first radiosounding vertical profile observation was done in 1927. At the end of 1940-s an operative network of radiosounding stations has been started to use for construction of upper air synoptic maps and three-dimensional spatial atmospheric analyses. The first meteorological satellite was launched in 1960. Weather radar, airplane observation and wind and air temperature profilers take place since then. A description of these developments in Europe are the main subject of this study. Criteria for vertical profile observation, data processing and analysis have been continuously done by the World Meteorological Organization and their development by states and European Union research projects including COST actions. Details are also represented.KEY WORDS: vertical profiling of atmosphere, Europe, COST actions
- Published
- 2020
4. A Review of Extreme Air Temperature Analysis in Croatia
- Author
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Krešo Pandžić, Tanja Likso, and Ognjen Bonacci
- Subjects
extreme value analysis ,extreme air temperature ,non-stationarity ,Croatia ,Meteorology. Climatology ,QC851-999 - Abstract
A historical review of extreme air temperature analysis in Croatia is presented. Two capital works on the subject were published in the 1970s by the Croatian Meteorological and Hydrological Service (DHMZ) and Faculty of Science University of Zagreb (PMF-Zagreb), respectively. The first is a monography on extreme value theory or extreme value analysis (EVA) with an application on more than a century-long time series of annual minima air temperature for Zagreb Grič weather station (Croatia) for the period 1862–1969. It is just a case study, with a lot of instructions regarding how to estimate the generalized extreme value (GEV) distribution parameters. The second is a master’s thesis with an application of the EVA on maxima air temperature time series for 41 weather stations from Croatia for the period 1950–1969. The shortness of the time series of the presented data caused instability in the estimation of GEV distribution parameters in transition areas from continental to maritime climate, but in general, the results are acceptable after a reduction of the 1950–1969 time series data on a ‘normal climate period’ 1910–1969. Both works were pioneering for that time in the South-Eastern Europe scale. A routine application of GEV distribution on the extreme air temperature (both minimum and maximum) for ten representative weather stations from Croatia is represented in Climate atlas of Croatia for the period 1961–1990, published by DHMZ in 2008. Theoretically estimated results fit well with empirical data. A review of long-term “warm” and “cold” indices of extreme air temperature for 41 weather stations from Croatia for the period 1951–2010 is represented in the Sixth National Communication Report of Croatia under the UNFCCC published by the Ministry for Environment and Nature Protection of Croatia (MZOIP) in 2014, showing a positive trend of “warm” and a negative trend of “cold” indices during the period 1951–2010 which tackled the non-stationarity of extreme air temperature time series. That topic of non-stationarity is more extensively considered using the results of a series of scientific papers published in the international journals which conducted a study of extreme air temperature of the wider Western Europe territory, including Croatia and other countries close to Croatia. Some authors of these papers stated that the GEV distribution parameters have to be considered as a function of time rather than fixed in time using covariates like North Atlantic Oscillation (NAO), coherent atmospheric blocking regions, linear trends in data caused by global warming and others covariates. The EVA results, connected with the global climate warming, could contribute to the national Natural Disaster Risk Reduction (NDRR) efforts.
- Published
- 2022
- Full Text
- View/download PDF
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