155 research outputs found
Recensione di Luigi Carrer, "Ballate", a cura di Cristiana Brunelli, Venezia, Marsilio, 2013
No full textRecensione del volume Luigi Carrer, "Ballate", a cura di Cristiana Brunelli, Venezia, Marsilio, 201
Analisi Evolutiva del Sistema Spiaggia-Duna in Emilia-Romagna: Processi Morfodinamici e Trasporto Eolico
No full textSeveral studies have been carryout to highlight the scientific community about the importance of coastal
beach-dune system in coastal dynamics recognizing. Their ecological and environmental value is very
important, they play a fundamental rule in coastal defense protecting hinterland from flooding with their
raised morphology, contrasting the salt wedge’s intrusion with their water table and moreover they constitute
an important reservoir of sand for beaches
This aspect in the Emilia-Romagna region seems to be particularly important: many coastline features are
characterized by emergency conditions because they are exposed more frequently and dangerously to
phenomena of submersions for sea storm’s events and to a diffuse and intense marine erosion.
Actually, along 130 km of the Emilia-Romagna coastline, 29 km are characterized by the presence of coastal
dunes, of which, approximately 9,5 km belong to the province of Ferrara, approximately 18 km to Ravenna’s
and remaining to the more to south coastal part of the region.
In this paper the results of a regional research are presented trough the application of a methodological
integrated approach (System’s Theory), that aims to analyze and to point out the evident morphoevolutionary
state of crisis in which the Emilia Romagna dunes today are (2008). Another objective is to try to optimize
the management’s policies of natural sedimentary resources, which are today very important for the new
philosophical approaches to coastal problems. The final result is a tool able to supply indications about the
priorities to front and the actions methodologies finalized to the safeguard and the defense of these delicate
environmental subsystems.
It becomes fundamental to have the correct perception of the phenomena in action and to quantify the
“weight” that the several morphodynamic’s agents have in the coastal dune system’s evolution. The
parameterization of such factors, the spatial analysis, the multi-scale and temporal analysis (from 2000 to
today) helps us to identify the relations of mutual interaction between such parameters. Therefore, it’s
possible to extract an Instability beach-Dune system Index (IDI) to establish the state of system’s instability,
and a space-temporal variability allowing their possible future evolution forecasting. Among all the factors,
the anthropic impact of the several tourist activities on the management of coastal spaces, in the Emilia
Romagna region seems to be the most important: only for the province of Ferrara, for example, from 2000 to
today, the areas lacking in vegetation developed on dunes, have increased of approximately 11%. The
majority have become unvegetated ground knots (blowouts), full of recreational structures, or transformed in
tourist’s beaches.
Through the overlap of several classes of land cover distributions (change detection), it is possible to gain
important indications on the dunes erosive trends: of the 9,5 km of the Ferrara’s dune’s coastal strip,
nowadays approximately 4,2 km, is developed through an erosion escarpment with height greater than 1m.
This demonstrates that the exposure to wave action is intense and frequent. In these cases the processes can
reach to abrupt accelerations, till to assume speed and various intensities also from point to point for a same
system; in a short time, the opening of crosses and the development of blowouts can put in crisis the whole
dune’s system and expose the inlands to a risk. In 11 cases on 23, the front beach highlights an erosion trend
and the width is less then 20m with the dune’s foot which is often constituted by temporary accumulation
generated by landslides of the erosion walls.
Therefore, this job has been integrated with a study on the wind’s “potentialities” to contribute to the
maintenance and/or the development of dunes, by applying a conceptual model (Kadib, 1983; Bagnold,
1941) that allows to gain an annual potential sedimentary budget for each system, in relation to the medium
climate and to the morphological and sedimentary characteristics of the system. Such aspect can supply
important indications during all the steps of a coastal action, beginning from the planning and realization of
sedimentary traps, till their positioning and direction. Moreover, the obtained results above all demonstrate
as such methodological approach can represent a real, useful, regional scale instrument to all policies of
coastal land management, to the research on new technical of actions or to program and optimize the
resources
Alessandro Anselmi. Intuizioni sulla forma architettonica
No full textÈ il 1992 quando Kenneth Frampton cita nella sua terza edizione di Storia
dell’architettura moderna, uno dei testi più letti al mondo, il municipio
di Rèze-les-Nantes di Alessandro Anselmi. Il capitolo in oggetto
riguarda quelle che il critico inglese chiama reflective practices, ovvero le
“buone pratiche” di architettura diffuse nei diversi continenti.
Le reflective practices, frutto di rapporti illuminati, sono l’espressione di
personali ricerche architettoniche in accordo a precisi ideali della committenza.
Tra alcuni dei nomi più significativi del contemporaneo, come
Holl, Maki, Siza, Ando e Moneo, Frampton inserisce quello di Alessandro
Anselmi; maestro indiscusso dell’architettura italiana degli ultimi
trenta anni.
Membro di spicco e fondatore del GRAU (Gruppo Romano Architetti
Urbanisti), Anselmi intraprende la sua ricerca personale a partire dalla
Biennale del 1980: è l’epilogo del GRAU e l’inizio del percorso autonomo.
Alessandro Anselmi, talentuoso progettista e disegnatore, è anche un architetto
impegnato culturalmente sia nel mondo accademico, sia in quello
dell’editoria. Redattore di “Controspazio” tra il 1974 e il 1981, docente
dallo stesso anno, e membro del comitato scientifico “Area” dal 2000,
Anselmi scrive oltre cinquanta saggi dopo l’esperienza con il GRAU. La
scrittura, attività costante e parallela alla professione, costituisce un apparato
altrettanto importante dell’opera completa.
Se la critica fino a oggi si è occupata dell’Anselmi architetto, rimane ancora
inesplorata la componente della scrittura. Le monografie e i saggi
editi trattano infatti l’opera anselmiana affrontando specifici temi come
il rapporto architettura-archeologia, la manipolazione spaziale per superfici
e piani, la dimensione paesaggistica dei progetti, il ruolo del disegno
nel processo creativo, il valore del “vuoto”, ma anche la militanza
e l’ideologia politica. Attualmente non esiste ancora né una antologia di
testi commentata né un volume esaustivo delle architetture progettate e
costruite dal 1980 al 2013 (anno della sua morte).
Anselmi non ha mai avuto la pretesa di sistematizzare le sue riflessioni
teoriche. Le relazioni progettuali e i testi editi per pubblicazioni accademiche,
o di altro genere, appaiono infatti come un insieme di intuizioni
sparse.
La ricerca progettuale di Anselmi e il suo lavoro “teorico”, interessano
quello che egli stesso reputa il problema centrale della disciplina: la forma
architettonica. È proprio attorno a questa tematica che si sviluppa la
narrazione in oggetto.
Anselmi, ponendo la forma al centro delle questioni teorico-progettuali,
ha ribadito la collocazione dell’architettura all’interno del mondo e dei
meccanismi delle arti figurative. L’intuizione sulla forma architettonica,
in riferimento alla definizione di Arte di Enzo Paci, è dunque l’espressione
che sintetizza al meglio il procedere “artistico” di Anselmi architetto
e scrittore.
Il tentativo della ricerca è dunque quello di ordinare le intuizioni scritte
attorno al problema della forma architettonica, utilizzando queste come
apparato critico per rileggere le intuizioni progettuali
Tracing a Vitaliano Brunelli story
No full textRad analizira jednu epizodu iz sinteze povijesti Zadra u srednjemu vijeku autora V. Brunellija s početka XV. stoljeća. Da bi dokazao da je u Zadru i prije 1409. godine postojala jaka promletačka struja koja je već tada pokušavala ovaj grad predati Veneciji, autor vrlo vješto - kombinirajući postojeće podatke i falsificirajući bilješke - uspijeva
stvoriti uvjerljivu sliku. Stoga je ovaj rad preko prosopografije pojedinih čimbenika koji se spominju u Brunellijevoj priči postupno razotkrio zakučice kojima se autor poslužio i dokazao lažnost njegove tvrdnje.This article analyzes an early fifteenth-century episode discussed in the synthesis of the medieval history of Zadar by the author Vitalino Brunelli. To prove that a strong pro-Venetian faction had existed in Zadar even before 1409, the goal of which was to hand the town over to Venice, Brunelli created a persuasive picture by skilfully combining extant data and falsifying annotations. This article relies on the prosopographies of some of the individuals mentioned in the Brunelli story to uncover tricks that the author used and to disprove the validity of his thesis
The underrated immune role of bivalve ‘serous cells’: New insight from inflammatory responses of the Manila clam Ruditapes philippinarum
No full textThis study investigated the immune role of serous cells from the bivalve Ruditapes philippinarum. Histochemical and immunohistochemical assays revealed that the serous cells contained large cytoplasmic vacuoles rich in heparinoid molecules. Heparin and histamine were detected within vacuoles, with distinct spatial distributions, and histoenzymatic assays for serine proteases revealed both tryptase and chymase activity. These findings, together with membrane immunolabelling for c-kit, suggest similarities with vertebrate mast cells. After in vivo bacterial inoculation, serous cells first accumulated at the injury site within 12 h, and 15 h after in vitro treatment, a significant increase in the percentage of serous cells was observed in bacteria-treated samples, supporting targeted responses of proliferation and differentiation following bacterial challenge. Serous cells also underwent marked degranulation following bacterial stimulation, and aggregates of granulocytes, hyalinocytes and serous cells appeared within 1 h of treatment. Extracellular trap formation (ETosis), which is rich in degranulated serous cells and trapped dying bacteria, was observed after 15 h. Serous cells showed nuclear envelope loss and chromatin fragmentation. The extracellular nets were primarily composed of fragmented chromatin and amyloid fibrils forming a scaffold of woven fibres, to which the adhesion of heparin, histamine, and serine proteases occurred after their release into the extracellular environment. To our knowledge, this is the first study that highlights the important role of serous cells in the immune response of bivalves and provides new perspectives for future investigations into the modulation of the inflammatory process
Tolfa, ipotesi per una conservazione e una tutela attiva
No full textAnalisi delle strategie progettuali messe in opera per il recupero e la valorizzazione del centro storico di TolfaAnalysis of the design strategies used for the recovery and enhancement of the historic center of Tolf
Introduzione
No full textintroduzione/presentazione dei risultati delle ricerche dal titolo "Valorizzazione del patrimonio del borgo storico di Tolfa con particolare attenzione ai palazzi storici e agli spazi pubblici" contenuti nel volume "Strategie per la valorizzazione del paesaggio storico di Tolfa"Introduction and presentation of the results of the research entitled "EValorizzazione del patrimonio del borgo storico di Tolfa con particolare attenzione ai palazzi storici e agli spazi pubblici" included in the volume "Strategie per la valorizzazione del paesaggio storico di Tolfa
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