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Remote sensing/Applied geophysics

01UCMNF

A.A. 2019/20

2019/20

Applied Geophysics

Il corso si propone di definire gli aspetti pratico-operativi delle indagini geofisiche applicate all’ingegneria civile, ambientale e mineraria e illustrare i metodi interpretativi.

Remote sensing/Applied geophysics (Remote sensing)

The training course aims to deliver the basics related to the acquisition, processing and feature extraction techniques of remotely sensed imageries, paying particular attention to environmental and climate change topics

Applied Geophysics

The course focus on the theoretical background of geophysical methods applied to civil and environmental engineering and in study of snow/glacier and permafrost in alpine areas. The course aims to illustrate the data acquisition and interpretation methods of the geophysical parameters.

Remote sensing/Applied geophysics (Remote sensing)

The training course aims to deliver the basics related to the acquisition, processing and feature extraction techniques of remotely sensed imageries, paying particular attention to environmental and climate change topics

Applied Geophysics

Lo studente dovrà maturare una competenza nel contesto delle applicazioni di indagini geofisiche convenzionali applicate ai diversi ambiti ingegneristici. Dovrà dimostrare abilità nel pianificare indagini geofisiche in molteplici ambiti geologici e morfologici, interpretare i risultati delle indagini e conoscere il significato dei parametri geofisici ricavati; dovrà altresì acquisire abilità nel confrontare i parametri geofisici con parametri geotecnici dei terreni e delle rocce e/o parametri idro-geochimici.

Remote sensing/Applied geophysics (Remote sensing)

The main aim is to deliver to student the ability to correctly identify environmental challenges and issues, to better understand possible data to be used, its suitability, and data processing chain in order to extract value added information in a common georeferenced system. Students will be trained in: - electromagnetic theory, interactions between electromagnetic energy and atmospheric layers and ground surfaces, visual perception and colorimetry - sensors data acquisition - image processing - information extraction - environmental and climate change related applications. Related to technical communication: - ability to analize complex environmental problems, defining proper data to be used, processing chains, information extraction strategies, achieved results publication and dissemination; - ability to approach different domain of applications using remotely sensed data; - ability to assess results in a fully quantitative way; - ability to set up data processing procedures suitable to approach non conventional applications. Such expertises will be acquired also working directly on application cases drafting also different technical solutions.

Applied Geophysics

The student will achieve competences in the context of applications of conventional geophysical surveys to different engineering fields. He/She must demonstrate its ability to plan geophysical surveys in multiple geological and morphological environment, to interpret the results of surveys and to understand the meaning of the geophysical parameters. He/She will also acquire skills in the evaluation of the relationships between geophysical and geotechnical/hydrogeological parameters of soils and rocks. Students will acquire skills on the suitability of geophysical methods to characterise permafrost and glaciers.

Remote sensing/Applied geophysics (Remote sensing)

The main aim is to deliver to student the ability to correctly identify environmental challenges and issues, to better understand possible data to be used, its suitability, and data processing chain in order to extract value added information in a common georeferenced system. Students will be trained in: - electromagnetic theory, interactions between electromagnetic energy and atmospheric layers and ground surfaces, visual perception and colorimetry - sensors data acquisition - image processing - information extraction - environmental and climate change related applications. Related to technical communication: - ability to analize complex environmental problems, defining proper data to be used, processing chains, information extraction strategies, achieved results publication and dissemination; - ability to approach different domain of applications using remotely sensed data; - ability to assess results in a fully quantitative way; - ability to set up data processing procedures suitable to approach non conventional applications. Such expertises will be acquired also working directly on application cases drafting also different technical solutions.

Applied Geophysics

Le conoscenze di base si riferiscono alle nozioni di geologia, idrogeologia e geofisica con riferimento alle proprietà petrofisiche dei suoli, il significato dei parametri idrogeologici (densità, porosità, contenuto, idrico permeabilità), alle proprietà geofisiche dei suoli e delle rocce (resistività elettrica, attributi sismici, parametri elettromagnetici) e di ingegneria ambientale e geotecnica (parametri meccanici). Si richiedono nozioni di base relative al modalità di acquisizione dei dati e i concetti di acquisizione ed elaborazione di segnali. Sono richieste conoscenze di base e capacità di utilizzo di strumenti informatici per l’elaborazione di dati geofisici delle esercitazioni di campo.

Remote sensing/Applied geophysics (Remote sensing)

Students attending this training course, already know geomatics basics (digital mapping, GPS techniques, surveying) and computer science basics.

Applied Geophysics

The basic knowledges refer to the background in geology, hydrogeology and geophysics with reference to the petrophysical properties of the soils and rocks, the meaning of hydrogeological parameters (density, porosity, content, water permeability), geophysical properties of soils and rocks (electrical resistivity, seismic attributes, electromagnetic parameters) and environmental and geotechnical engineering (mechanical parameters). Basic knowledge on signal acquisition and processing is required. Skills in using computer tools (Matlab/Octave) for geophysical data processing are also required.

Remote sensing/Applied geophysics (Remote sensing)

Students attending this training course, already know geomatics basics (digital mapping, GPS techniques, surveying) and computer science basics.

Applied Geophysics

Metodi sismici: (1 crediti) Equazione d’onda e correlazione tra parametri meccanici e risposta sismica; correlazione tra i parametri petrofisici (porosità, contenuto idrico) e velocità e attenuazione dei mezzi porosi: modello di Willie, modello di Biot-Gassman; Metodi di indagine in foro: downhole, cross-hole e VSP (vertical seismic profile); Tomografie sismiche in foro e dalla superficie. Metodi di onde superficiali. Cenni normativi e determinazione Vs30; risposta sismica locale Metodi elettrici (2 crediti) Correlazioni tra parametri petrofisici e resistività elettrica, effetti di polarizzazione di suoli, polarizzazione indotta per misure in siti contaminati e per indagini minerarie. Modalità di acquisizione ed elaborazione di tomografie elettriche di resistività e di polarizzazione da superficie e in foro; esempi applicativi per la caratterizzazione idrogeologica e ambientale. Esempi applicativi per la caratterizzazione di siti contaminati e di giacimenti minerari (2 crediti). Metodi elettromagnetici (2 crediti) Metodi in dominio di frequenza e di tempo; cenni strumentali e modalità di acquisizione con dispositivi Slingram a basso numero di induzione; esempi applicativi per la caratterizzazione di siti contaminati; metodi in dominio di tempo per la caratterizzazione idrogeologica. Indagine elettromagnetiche elitrasportate per caratterizzazione geologica e mineraria. Metodi magnetotellurici nella esplorazione geotermica. Esercitazione di campo ed elaborazione dati di metodi integrati per la caratterizzazione idrogeofisica/geotecnica del sottosuolo; esercitazione di campo con acquisizione ed elaborazione di dati sismici e di tomografia elettrica (2 crediti).

Remote sensing/Applied geophysics (Remote sensing)

Teaching subjects are: - Remote sensing definition - Emissivity theory - Electromagnetic spectra and black bodies - Electromagnetic source and atmospheric interaction - Electromagnetic source and ground surfaces interaction - Visual perception and colorimetry - Digital images and acquisition systems characteristics - Data processing algorithms - Information extraction: digital filters and classifications - Extracted information assessment

Applied Geophysics

Seismic Methods: (2 credits) Wave equation and correlation between mechanical parameters and seismic response; Correlation between petrophysical parameters (porosity, water content) and velocity and attenuation of porous media: Willie model, Biot-Gassman model; In-hole survey methods: downhole, cross-hole and vertical seismic profile (VSP); Seismic tomography in hole and from surface. Methods of surface waves. Electrical Methods (2 credits) Correlations between petrophysical parameters and electrical resistivity, and induced polarization effects, induced polarization for contaminated site measurements and mining surveys: electrical tomography of resistivity and polarization from surface and in cross-hole modality; examples for hydrogeological and environmental characterization, application of electrical tomography to characterise permafrost. Electromagnetic Methods (2 credits) Methods in frequency and time domain; acquisition mode with low induction Slingram devices; examples for the characterization of contaminated sites; Time domain methods for hydrogeological characterization. Ground penetrating radar: theory, data acquisition and processing, application in geology and hydrogeology, application in permafrost and glaciers. Laboratory works: processing of seismic data for mapping geomechnical properties of soil and rocks; processing of electrical tomographic data in hydrogeological applications; processing of electromagnetic and georadar data for permafrost and glacier investigation.

Remote sensing/Applied geophysics (Remote sensing)

Teaching subjects are: - Remote sensing definition - Emissivity theory - Electromagnetic spectra and black bodies - Electromagnetic source and atmospheric interaction - Electromagnetic source and ground surfaces interaction - Visual perception and colorimetry - Digital images and acquisition systems characteristics - Data processing algorithms - Information extraction: digital filters and classifications - Extracted information assessment

Applied Geophysics

Remote sensing/Applied geophysics (Remote sensing)

Applied Geophysics

Remote sensing/Applied geophysics (Remote sensing)

Applied Geophysics

Le lezioni frontali intendono fornire i principi di acquisizione, elaborazione e interpretazione di dati geofisici (circa 40 ore). Le esercitazioni di campo consentiranno agli studenti di apprendere le modalità pratico-operative di acquisizione dei dati; le esercitazioni di laboratorio sono mirate ad approfondire gli aspetti di calcolo per la elaborazione ed interpretazione delle indagini geofisiche. Le esercitazioni di laboratorio prevedono lavoro autonomo da parte dello studente nei laboratori informatici di Ateneo.

Remote sensing/Applied geophysics (Remote sensing)

The training course is delivered both by theoretical lectures and labs; in the latter, students will use PC to process digital images based on real cases. Every student will access a single PC and will be assisted during all the labs. For the theoretical and labs parts, digital contents will be available since the beginning of the training course and labs will be duplicated based on the number of students attending. Innovative learning will be used, facilitating student’s interaction and organizing a final full day challenge based on the ability to approach a complex environmental issue using open source remotely sensed imageries and mapping data.

Applied Geophysics

Lessons are intended to provide the principles of acquisition, processing and interpretation of geophysical data (about 40 hours). Field tutorials will enable students to learn practical-operational data acquisition methods; the laboratory exercises are aimed at deepening the aspects of data processing and interpretation of geophysical surveys. Laboratory Exercises provide for independent work by the student in the Computer Laboratories at the University.

Remote sensing/Applied geophysics (Remote sensing)

The training course is delivered both by theoretical lectures and labs; in the latter, students will use PC to process digital images based on real cases. Every student will access a single PC and will be assisted during all the labs. For the theoretical and labs parts, digital contents will be available since the beginning of the training course and labs will be duplicated based on the number of students attending. Innovative learning will be used, facilitating student’s interaction and organizing a final full day challenge based on the ability to approach a complex environmental issue using open source remotely sensed imageries and mapping data.

Applied Geophysics

Il testo di riferimento del corso è J.M. Reynolds, 1997. An introduction to applied and environmental geophysics, Wiley Ed., 796 pp. Il docente fornisce tramite il portale il materiale presentato durante le lezioni, le tracce per la realizzazione delle esercitazioni in aula e in laboratorio, ed esercizi di approfondimento. Per approfondimenti teorici vengono suggeriti e messi a disposizione tramite il portale copie in formato elettronico di documentazione tecnica e di articoli scientifici.

Remote sensing/Applied geophysics (Remote sensing)

Specific didactic material will be available, in a digital format, since the beginning of the training course

Applied Geophysics

The textbook is: J.M. Reynolds, 1997. An Introduction to Applied and Environmental Geophysics, Wiley Ed., 796 pp. The teacher provides through the portal the material discussed during the lessons, hints for the classroom works and laboratory exercises. Technical documentation and scientific articles are suggested for theoretical insights and made available on-line.

Remote sensing/Applied geophysics (Remote sensing)

Specific didactic material will be available, in a digital format, since the beginning of the training course

Applied Geophysics

Modalità di esame: Prova orale obbligatoria;

Remote sensing/Applied geophysics (Remote sensing)

Modalità di esame: Prova scritta (in aula); Prova orale facoltativa; Prova di laboratorio; Progetto di gruppo;

Applied Geophysics

L’esame consiste in una prova orale tesa ad accertare il livello di competenze teoriche e le abilità di integrare i risultati delle indagini geofisiche in diversi contesti applicativi. L’esame si organizza con un quesito relativo ad aspetti teorici ed un quesito relativo alla pianificazione e realizzazione di indagini e interpretazione dei risultati. Una parte della prova orale consiste nella discussione delle esercitazioni svolte. La valutazione finale è basata sulla chiarezza espositiva e padronanza della terminologia tecnica (5 punti), capacità di ragionamento (5 punti) e di collegamento dei diversi aspetti della materia (10 punti), livello di competenza raggiunto (10 punti).

Remote sensing/Applied geophysics (Remote sensing)

Evaluation will be based on written and/or oral examinations, both from theoretical and lab parts, and based on the official programme and the lab exercises. Examination could be taken both written and oral; the written examination consists of two different test based on the theoretical and experimental parts. In the first, the candidate should answer to 3 different questions, while in the second, using a PC and a standard software, the candidate will answer to a set of different questions. Results of the examination are then delivered to students by means of didactic portal. Oral examination consists of a set of three questions based on theoretical part and the candidate is then asked to solve, with the usage of a PC and a standard software, a practical exercise.

Applied Geophysics

Exam: Compulsory oral exam;

Remote sensing/Applied geophysics (Remote sensing)

Exam: Written test; Optional oral exam; Practical lab skills test; Group project;

Applied Geophysics

The exam consists of an oral test aimed at assessing the theoretical skills and the ability to integrate the results of geophysical surveys into different application contexts. The exam is organized with a question about theoretical aspects and one question about planning and carrying out surveys and interpretation of results. The discussion of the laboratory activities is also part of the exam. The final evaluation is based on the clarity of exposition (5 points), technical skills (5 points), capability to relate the different aspects of the subject (10 points), degree of competence achieved (10 points).

Remote sensing/Applied geophysics (Remote sensing)

Evaluation will be based on written and/or oral examinations, both from theoretical and lab parts, and based on the official programme and the lab exercises. Examination could be taken both written and oral; the written examination consists of two different test based on the theoretical and experimental parts. In the first, the candidate should answer to 3 different questions, while in the second, using a PC and a standard software, the candidate will answer to a set of different questions. Results of the examination are then delivered to students by means of didactic portal. Oral examination consists of a set of three questions based on theoretical part and the candidate is then asked to solve, with the usage of a PC and a standard software, a practical exercise.



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