Integrated analysis of present and future responses of precipitation over selected Greek areas with different climate conditions

Paparrizos, Spyridon; Maris, Fotios; Matzarakis, Andreas

doi:10.1016/j.atmosres.2015.10.004

Cited by 29 publications

(16 citation statements)

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“…(Eitzinger et al, 2013), or variations in available soil water (Eitzinger et al, 2003(Eitzinger et al, , 2004 could vary and reduce the potential crop yield as well. Since the latest studies indicate that there will be a water shortage in the upcoming years, and the certain study area will exhibit water scarcity problems due to irrigation and furthermore due to drought phenomena (Paparrizos et al, 2017b) or decreased land precipitation (Paparrizos et al, 2016a), even the smallest diminution of water use can act towards the preservation and the sustainable development of the water resources, especially in areas where water is essential for agriculture. Finally, potential future increase of GDD units can lead to the introduction of more demanding but also more profitable and efficient cultivations.…”

Section: Discussionmentioning

confidence: 99%

“…It has an area of 8342 km 2 , total population of 623 065 inhabitants and the local population is mainly employed in the primary section (Matzarakis and Nastos, 2011;Paparrizos et al, 2017a). The mean annual precipitation is 822 mm (Paparrizos et al, 2016a) and the mean annual T mean is 17.2 • C. Figure 1 presents the general location, the meteorological stations and the characteristics of the study area, while Table 1 depicts the main cultivations, their characteristics, and the GDD units that its cultivation needs in order to reach its maturity levels. Daily values of temperature data obtained from stations within to the study area for the years 1981-2000 were used in this study.…”

Section: Research Area and Methodologymentioning

confidence: 99%

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Present and future responses of growing degree days for Crete Island in Greece

Paparrizos

Matzarakis

2017

Adv. Sci. Res.

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Abstract.Climate affects practically all the physiological processes that determine plant life (IPCC, 2014). A major challenge and objective of the agricultural science is to predict the occurrences of specific physical or biological events. For this reason, flower phenology has been widely used to study the flowering in plant species of economic interest, and in this concept, temperature and heat units have been widely accepted as the most important factors affecting processes leading to flowering. The determination of heat requirements in the first developing phases of plants has been expressed as Growing Degree Days (GDD). Determination of GDD is useful for achieving a better understanding of the flowering season development in several plant species, and for forecasting when flowering will occur (Paparrizos and Matzarakis, 2017). Temperature and GDD represent two important spatially-dynamic climatic variables, as they both play vital roles in influencing forest development by directly affecting plant functions such as evapotranspiration, photosynthesis and plant transpiration. Understanding the spatial distribution of GDD is crucial to the practice of sustainable agricultural and forest management, as GDD relates to the integration of growth and provides precise point estimates (Hasan et al., 2007;Matzarakis et al., 2007). The aim of the current study was to estimate and map through downscaling spatial interpolation and multi-linear regression techniques, the future variation of GDD for the periods 2021-2050 and 2071-2100, under the A1B and B1 IPCC emission scenarios in relation with the reference periods for Crete Island in Greece. Future temperature data were obtained, validated and analysed from the ENSEMBLES European project. A combination of dynamical and statistical approach was conducted in order to downscale and perform the spatial interpolation of GDD through ArcGIS 10.2.1. The results indicated that in the future, GDD will be increased and the existing cultivations can reach maturity sooner. Nevertheless, rough topography will act as an inhibitor towards the expansion of the existing cultivations in higher altitudes.

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Section: Discussionmentioning

confidence: 99%

Section: Research Area and Methodologymentioning

confidence: 99%

Present and future responses of growing degree days for Crete Island in Greece

Paparrizos

Matzarakis

2017

Adv. Sci. Res.

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“…Attempts towards this direction have also been performed from Matzarakis et al, (2007);Gouvas et al, (2009);Maris et al, (2013);Feidas et al (2014) and Paparrizos et al, (2015b;2016).…”

Section: Multi-linear Regression Spatial Analysis and Mapping Of Arimentioning

confidence: 99%

“…The Ardas River basin (Manolas et al, 2009;Paparrizos et al, 2016) is located in the north-eastern part of Greece (a big part of the basin belongs to Bulgaria -mostly the mountainous area of the basin) with an area of 5681.3 km 2 . The mean annual precipitation is 839.8mm while the mean annual Tmean is 10.5 °C.…”

Section: Study Areasmentioning

confidence: 99%

Integrated analysis and mapping of aridity over Greek areas with different climate conditions

2016

Issue 1

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Assessment of aridity conditions prevailing in a certain area is essential for the research on climate and climate change. Greece is characterized by a variety of climatic conditions such as drought conditions or flooding phenomena. The current study focuses on three selected areas within Greece that present different climatic characteristics due to their location and aims to analyze and compare the aridity conditions prevailing in these areas. Aridity conditions were estimated using the Aridity Index (AI). MannKendall test was applied to investigate possible trends. Spatial distribution of aridity conditions was performed using multi-linear regression techniques and Kriging method within ArcGIS 10.2.1.The results indicated that the study areas face humid conditions, mostly due to the existence of high altitudes. Furthermore, the various climatic conditions are responsible for differentiations in seasonal analysis regarding the aridity conditions. The study areas related to the Mediterranean climate resulted more heterogeneous conditions compared with areas affected by the continental climate. Nevertheless, the created aridity spatial maps of trend analysis presented with differentiations, especially in the mountainous areas were an extreme downward trend is appeared. For the southern investigated area in Crete Island characterized purely by Mediterranean climate, the results were more moderate in terms of aridity conditions.

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“…Multiple stepwise regressions [62][63][64][65] were used in the research on the contributions of the climatic indices to the droughts in the Xijiang River Basin. The method introduces the indices to the regression equations one by one according to the importance of the independent variables.…”

Section: Response Of Droughts To Global Climatic Eventsmentioning

confidence: 99%

Spatiotemporal Distribution of Droughts in the Xijiang River Basin, China and Its Responses to Global Climatic Events

Qiu

Wang

Xiao

2017

Water

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Abstract:The Xijiang River is a main branch of the Pearl River, the largest river in South China. Droughts in this area have seriously influenced local water resource utilization, and socio-economic development. The spatiotemporal distribution of droughts and its responses to global climatic events are of critical significance for the assessment and early warning of drought disasters. In this paper, the spatiotemporal patterns of droughts characterized by Rotated Empirical Orthogonal Function/Rotated Principal Components (REOF/RPC) in the Xijiang River Basin, China were evaluated using the Self-calibrated Palmer Drought Severity Index (Sc-PDSI). The drought responses to El Niño/Southern Oscillation (ENSO), Pacific Decadal Oscillation (PDO), India Ocean Dipole (IOD), and North Atlantic Oscillation (NAO) were analysed by Pearson correlation and multiple stepwise regression. The results showed that one year earlier NAO was the dominant factor impacting the droughts in the Xijiang Basin. Its contribution for the RPC2s of the annual, the first and second half years, winter, summer, autumn, and February were −0.556, −0.419, 0.597, −0.447, 0.542, 0.600, and −0.327, respectively. Besides the two adjacent Pacific and India oceans, the droughts seem be influenced by distant Atlantic climatic events. These results offer new reference insights into the early warning of droughts as well as the planning and management of water resources in the study area.

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Integrated analysis of present and future responses of precipitation over selected Greek areas with different climate conditions

Cited by 29 publications

References 28 publications

Present and future responses of growing degree days for Crete Island in Greece

Present and future responses of growing degree days for Crete Island in Greece

Integrated analysis and mapping of aridity over Greek areas with different climate conditions

Spatiotemporal Distribution of Droughts in the Xijiang River Basin, China and Its Responses to Global Climatic Events

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