Crustal seismic velocity structure near Faial and Pico Islands (AZORES), from local earthquake tomography

Dias, Nuno; Matias, L.; Lourenço, N.; Madeira, José; Carrilho, Fernando; Gaspar, J. L.

doi:10.1016/j.tecto.2007.09.001

Cited by 50 publications

(44 citation statements)

References 58 publications

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“…To date, studies of the islands' seismic structure have only been carried out in limited areas and do not cover the whole Azores Archipelago (e.g. Dias et al 2007). In general, crustal thickness estimates beneath the islands have been in the 10-30 km range (e.g.…”

Section: Introductionmentioning

confidence: 99%

Constraints on the structure of the crust and lithosphere beneath the Azores Islands from teleseismic receiver functions

Spieker

Rondenay

Ramalho

et al. 2018

Geophysical Journal International

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Section: Introductionmentioning

confidence: 99%

Constraints on the structure of the crust and lithosphere beneath the Azores Islands from teleseismic receiver functions

Spieker

Rondenay

Ramalho

et al. 2018

Geophysical Journal International

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“…This administrative figure includes and articulates all conservation areas of the island into a single management structure and policy definition system and authority (Fonseca et al, 2011). Geomorphology determines the main characteristics and zonation of the island (Dias et al, 2007). The predominant soils are Andisols.…”

Section: Study Areamentioning

confidence: 99%

Using modeling tools for implementing feasible land use and nature conservation governance systems in small islands – The Pico Island (Azores) case-study

Fernandes

Freire

Guiomar

et al. 2017

Journal of Environmental Management

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a b s t r a c tThe present study deals with the development of systematic conservation planning as management instrument in small oceanic islands, ensuring open systems of governance, and able to integrate an informed and involved participation of the stakeholders. Marxan software was used to define management areas according a set of alternative land use scenarios considering different conservation and management paradigms. Modeled conservation zones were interpreted and compared with the existing protected areas allowing more fused information for future trade-outs and stakeholder's involvement. The results, allowing the identification of Target Management Units (TMU) based on the consideration of different development scenarios proved to be consistent with a feasible development of evaluation approaches able to support sound governance systems. Moreover, the detailed geographic identification of TMU seems to be able to support participated policies towards a more sustainable management of the entire island.

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“…The Island of Pico, through its morphology, expresses remarkably the effects of volcano-tectonic structures that are in its origin (Nunes, 1999;Madeira & Silveira, 2003;Cruz et al, 2006;França et al, 2006;Dias et al, 2007). Three different areas can be distinguished on the island Nunes, 1999;Madeira & Silveira, 2003;França et al, 2006;Dias et al, 2007): the older volcano (Topo volcano), a central type shield volcano located in the middle-south of the island, is composed of ankaramitic and basaltic lava flows and is partially dismantled by landslides, displaced by faulting and covered by younger volcanism; an intermediate volcanostratigraphic unit, which comprises several alignments of basaltic spatter cones and related lava flows along WNW-ESE fault; and finally the youngest unit of the island is the Madalena Volcanic Complex, which can be structurally divided into two sub-units, the East fissural zone which is composed of several alignments of cinder and spatter cones and related lava flows, and the strato-volcano of Pico displaying a pit crater on its summit and straddling the fissural structure at its western end.…”

Section: Biophysical Information Geologymentioning

confidence: 99%

Applying an integrated landscape characterization and evaluation tool to small islands (Pico, Azores, Portugal)

Fernandes¹,

Guiomar²,

Freire³

et al. 2014

RGCI

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Each landscape is determined and can be characterised by two types of environmental factors: stable biophysical characteristics and manageable land use patterns. The consideration of both these characterisation domains allows the definition of a homogeneous system of reference (the stable characteristics) with which every possible land use pattern can be compared through the use of common evaluation algorithms. The Integrated Landscape Assessment (ILA) concept builds a framework for data retrieval and evaluation processing that maximizes the following advantages: through the use of a stable reference system, it allows the comparative simulation of different land use scenarios, as well as the permanent availability of the same reference system, independently from the intensity of land use changes throughout the years. It also allows the use of different evaluation algorithms according to different evaluation contexts or paradigms, without having to repeat or adapt the characterisation process.The present paper illustrates the basic concepts on which ILA is based and developed as well as its application to ecological planning and systematic conservation planning in the Pico Island (Azores Archipelago).Keywords: Systematic conservation planning, integrated landscape assessment, GIS, Macaronesia. Resumo Cada território é determinado e pode ser caracterizado por dois tipos de factores ambientais: características biofísicas estáveis e padrões de uso do solo susceptíveis de gestão. A consideração destes dois domínios de caracterização permite a definição de um sistema de referência homogéneo (as características

show abstract

Crustal seismic velocity structure near Faial and Pico Islands (AZORES), from local earthquake tomography

Cited by 50 publications

References 58 publications

Constraints on the structure of the crust and lithosphere beneath the Azores Islands from teleseismic receiver functions

Constraints on the structure of the crust and lithosphere beneath the Azores Islands from teleseismic receiver functions

Using modeling tools for implementing feasible land use and nature conservation governance systems in small islands – The Pico Island (Azores) case-study

Applying an integrated landscape characterization and evaluation tool to small islands (Pico, Azores, Portugal)

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