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showing 10 items of 2973 documents
Cambios en los usos del suelo y producción de escorrentía en ramblas mediterráneas: Carraixet y Poyo (1956-1998)
2007
Ana.Camarasa@uv.es Juan.Mateu@uv.es Este trabajo analiza el efecto de los cambios recientes en los usos del suelo en la génesis de escorrentía en ramblas mediterráneas utilizando un SIG. Para el cálculo de la producción de escorrentía se ha utilizado el método desarrollado por el S.C.S. modificado por Témez (1978) que combina los mapas de pendientes, usos del suelo y grupo hidrológico del suelo. Se ha aplicado una adaptación del método propuesta por Camarasa et al. (2006) basado en la interpretación hidrogeomorfológica de la cuenca para la estimación del grupo hidrológico de suelo. Los resultados muestran una variabilidad espacial y temporal importante en la dinámica de producción de escorr…
The influence of transport offer on passenger traffic in the railway transport system in a post-socialist country : case study of Poland
2021
Abstract The study examines factors influencing the number of rail passengers in Poland. The subjects of observation were 62 cities with poviat rights. The main factors influencing demand are the number of connections and the speed of trains. Therefore, we developed an original indicator – weighted number of connections, which takes into account the number of rail connections and the speed of trains. The article can be divided into two main parts: an assessment of the diversification of transport offer and transport demand in spatial terms, and an evaluation of the relationship between the variables. Poland has a large spatial diversity in terms of public rail transport offer and passenger …
Soil moisture changes after land abandonment in the Central Spanish Pyrenees
2001
14 páginas, 3 tablas, 6 figuras.
Language in Central Europe: An Overview
2009
The linguistic picture of Central Europe, as we know it, started forming in the 6th to 9th centuries. The coming of the Slavs (or rather the spread of their language and way of life to unrelated various ethnic groups) marks the beginning of this caesura that largely closed in 896 AD when the Magyars crossed the Carpathians into Pannonia. This event gradually divided the hypothetically continuous area of Slavic settlement into a southern section, extending from contemporary Slovenia to Bulgaria, and into a northern section, which coincided with the areas from the Elbe in today’s eastern Germany to the upper Volga in northeastern Russia. In the west, the Magyar-speakers skirted the East and …
Distribution of REEs in box-core sediments offshore an industrial area in SE Sicily, Ionian Sea: Evidence of anomalous sedimentary inputs
2009
The distribution of rare earth elements and yttrium (REEs+Y) has been investigated in box-core sediments recovered from four stations in the Sicilian coastal zone seawards of Augusta, one of the most industrialized and contaminated areas in the Mediterranean region. Shale-like REE patterns and low Y/Ho ratios (close to the chondritic ratio) suggest a dominant terrigenous (geogenic) source for REE. Slight enrichment of LREE over the HREE is interpreted as due to preferential adsorptive transfer of LREE from seawater to sediment particles. Samples from offshore cores exhibit slightly positive Gd and negative Ce anomalies. It is here hypothesized that main drivers of anthropogenic Gd flux towa…
Benthic foraminiferal response to trace element pollution. The case study of the Gulf of Milazzo, NE Sicily (Central Mediterranean Sea).
2013
The response of benthic foraminiferal assemblages to trace element pollution in the marine sediments of the Gulf of Milazzo (north-eastern Sicily) was investigated. Since the 1960s, this coastal area has been a preferred site for the development of two small marinas and a commercial harbour as well as for heavy industry. Forty samples collected in the uppermost 3-4 cm of an undisturbed layer of sediment in the littoral environment were used for this benthic foraminiferal analysis. The enrichment factors (EFs) of selected trace elements (As, Co, Cr, Cu, Mn, Ni, Pb and Zn) were also calculated. Changes both in benthic foraminiferal assemblages and in some trace elements concentrations have pr…
Real Options: an Application to RMS Investment Evaluation
2007
The Electoral Effects of Offshoring-Induced Mass-Layoffs: Germany in Comparative Perspective
2012
How does globalization’s impact on the labor market affect political preferences? This study takes up the strategy of a recent contribution (Margalit 2011a) and studies the local electoral effects of regional job losses due to offshoring. By applying the analytical strategy to German national elections in 2005 and 2009, it studies whether and how the finding on U.S. presidential elections travels to other contexts. Theoretically, the contribution adds a perspective suggested by previous research on the individual level political consequences of the globalization-labor market link that addresses the likely social policy preferences of globalization’s losers. Preliminary empirical results ind…
Prove di coltivazione di Camomilla comune (Chamomilla recutita Rausch.) nell’ambiente semiarido mediterraneo.
2009
La Camomilla comune (Chamomilla recutita (L.) Rausch) è una pianta erbacea annuale originaria del sud-est asiatico, che oggi, grazie alle sue riconosciute proprietà calmanti e sedative, è largamente diffusa e coltivata in tutto il mondo. In tempi recenti, un forte interesse verso la specie deriva anche dalla sua possibilità di utilizzazione in svariate branche dell’industria, dalla farmaceutica (che ne sfrutta le proprietà sedative e antinfiammatorie), alla cosmetica (che la utilizza per la preparazione di creme, detergenti, profumi e shampoo), all’alimentare (che ne fa uso per bevande, dolci, gelati, liquori e vermouth). La larga diffusione della specie fa sì che in larga parte la sua tecn…
Coffee increases state anxiety in males but not in females.
2003
Coffee, reproducing the conditions under which caffeine is normally ingested, containing 3, 75, 150 or 300 mg of caffeine was given to healthy male and female volunteers. 25-30 min after drinking the beverage, they completed the Spanish version of the state-trait anxiety inventory (STAI). The beverage increased state anxiety, in a dose-dependent manner, in males but not in females. This could be due to a lesser sensitivity of females to coffee.