Search results for "earth-surface processes"
showing 10 items of 1293 documents
Análisis comparativo de conflictos territoriales: el caso de Poblats Maritims (Valencia, España) y el distrito Sud-Ouest (Montreal, Canadá)
2014
This paper makes a comparative analysis of territorial conflicts in two districts in two different cities: Valencia in Spain and Montreal in Canada. These two industrial districts are experiencing a deep physical transformation, which has led numerous protests and locational conflicts To do that, a systematic database of conflicts appeared in the last 15 years in each district (Poblats Maritims district in Valencia and Sud-Ouest in Montreal) was set up. We establish finally some interesting conclusions about the relationship between the emergence
La relación entre toponimia urbana y topografía en la Ciutat Vella de Valencia: análisis mediante métodos cuantitativos y cualitativos
2017
El casco antiguo o Ciutat Vella de Valencia se caracteriza en apariencia por el escaso desnivel del terreno; sin embargo, algunos de sus topónimos describen o denotan un relieve accidentado que parece desmentir dicha impresión de planitud. Gracias a la tecnología LIDAR, capaz de detectar variaciones de centímetros en la altitud de la superficie terrestre, podemos comprobar si dichos orotopónimos se corresponden con superficies irregulares. Mediante métodos cuantitativos (LIDAR) y cualitativos (toponimia) se detectan y analizan desniveles del terreno, y se observa cómo estos han influido notablemente en la segregación social y en la distribución de los usos del suelo. València's Ciutat Vella…
Impact of the terrestrial reference frame on the determination of the celestial reference frame.
2022
Currently three up-to-date Terrestrial Reference Frames (TRF) are available, the ITRF2014 from IGN, the DTRF2014 from DGFI-TUM, and JTRF2014 from JPL. All use the identical input data of space-geodetic station positions and Earth orientation parameters, but the concept of combining these data is fundamentally different. The IGN approach is based on the combination of technique solutions, while the DGFI is combining the normal equation systems. Both yield in reference epoch coordinates and velocities for a global set of stations. JPL uses a Kalman filter approach, realizing a TRF through weekly time series of geocentric coordinates. As the determination of the CRF is not independent of the T…
Analyse morphologique de talwegs et comportement scalant : applications des dimensions non-entières à la géographie physique
1999
Morphological talweg analysis and scaling behaviour: applying non-integer dimension to physical geography. -- The organisation of the talweg network is fundamental to the erosion system on the silty loamy plateaux of north-western France. The morphology of the Pays de Caux is a good example of successive runoff concentration caused by the nesting of small dry valleys. These are inherited from a periglacial climate and their general direction is governed by tectonics. However the detailed pattern of these forms remains complex and without obvious explanation. Non-integer dimensions may offer a ceratin logic to this relatively chaotic pattern. This paper has therefore sought to demonstrate th…
Carbon dynamics in highly heterotrophic subarctic thaw ponds
2015
Abstract. Global warming has accelerated the formation of permafrost thaw ponds in several subarctic and arctic regions. These ponds are net heterotrophic as evidenced by their greenhouse gas (GHG) supersaturation levels (CO2 and CH4), and generally receive large terrestrial carbon inputs from the thawing and eroding permafrost. We measured seasonal and vertical variations in the concentration and type of dissolved organic matter (DOM) in five subarctic thaw (thermokarst) ponds in northern Quebec, and explored how environmental gradients influenced heterotrophic and phototrophic biomass and productivity. Late winter DOM had low aromaticity indicating reduced inputs of terrestrial carbon, wh…
ATTACHMENT TO PLACE AND COMMUNITY TIES IN TWO SUBURBS OF JYVÄSKYLÄ, CENTRAL FINLAND
2023
This article describes varied place attachments manifested in public (communal) places in the two socioeconomically weakest suburbs of the city of Jyväskylä in central Finland. We conducted ethnographic research and observations, interviewed local experts on their views of the suburbs, and analysed discourses from various places where residents’ experiences of identity and social relations are connected to residential and community attachment. Our results show a strong connection to place evolving in both suburbs through bonds to the physical and the social environment. The local experts reported social connectedness and sense of belonging among the residents of both suburbs. The strength o…
Overbooked: the exploding business of travel & tourism
2013
Displacing to uncertain landscapes sets us free but at the same time, it poses a series of concerns. The given context of adventure and open destiny leads us to document our experiences to be read ...
Exegesis and myths as methodologies of research in tourism
2013
Anthropology has given interesting paradigms to tourism-led research. From the role played by culture to the conflict between host and guest, anthropology has focused in mobility and tourism issues. Nonetheless, when we think in tourism we imagine an all-encompassing institution. There were many forms of tourism, each one enrooted in their own culture. Mythology and exegesis remind not only that other non-western forms of tourism are interesting to study but also how we can examine those cultural values that do not exist any longer. What this note of research sustains is that positivism monopolized in tourism fields some methods at the time pushing others to the periphery of knowledge, like…
Late Pleistocene vertebrate - bearing deposits at San Teodoro Cave (North-Eastern Sicily): Preliminary data on faunal diversification and chronology
2008
Abstract This paper deals with the chronology and the possible correlations among levels of different excavated areas in the Pleistocene vertebrate-bearing deposits at the large San Teodoro Cave (North-Eastern Sicily). Two trenches have been excavated along the eastern side of the cave, located at a distance from the entrance, respectively, of 8 m ( α trench) and 28 m ( β trench) and at different depths. Lithological features, biometrical data from small mammals and ecological data from molluscs point to similar environmental conditions for the α trench deposits and those located along the eastern wall of the cave in the eastern part of the β trench. The same evidence, and the taphonomic fe…
Modelos de vida femeninos en el medio rural. Un caso de estudio en la Sierra del Segura (Albacete)
2019
La sobreemigració femenina i la masculinització són processos encara latents en gran part de la ruralitat espanyola. No obstant això, existeixen dones que mantenen o traslladen la seua residència a aquestes àrees. Així doncs, aquesta investigació tracta de caracteritzar les principals circumstàncies i patrons de vida que assumeixen i configuren les dones rurals. A partir d’un estudi de cas, la Sierra del Segura (Albacete), i mitjançant tècniques qualitatives, s’exposen quatre grans models de vida femenins. Per una part, dos que impliquen una trajectòria de localització ancorada en el món rural i el manteniment de rols de gènere, si bé el component generacional habilita divergències importan…