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1

A WebGIS framework for disseminating processed remotely sensed on land cover transformations

Caradonna G., Novelli A., Tarantino E., Cefalo R., Fratino U.

Reports on Geodesy and Geoinformatics

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2016

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Vol. 100

27--38

EN

Mediterranean regions have experienced significant soil degradation over the past decades. In this context, careful land observation using satellite data is crucial for understanding the long-term usage patterns of natural resources and facilitating their sustainable management to monitor and evaluate the potential degradation. Given the environmental and political interest on this problem, there is urgent need for a centralized repository and mechanism to share geospatial data, information and maps of land change. Geospatial data collecting is one of the most important task for many users because there are significant barriers in accessing and using data. This limit could be overcome by implementing a WebGIS through a combination of existing free and open source software for geographic information systems (FOSS4G). In this paper we preliminary discuss methods for collecting raster data in a geodatabase by processing open multi-temporal and multi-scale satellite data aimed at retrieving indicators for land degradation phenomenon (i.e. land cover/land use analysis, vegetation indices, trend analysis, etc.). Then we describe a methodology for designing a WebGIS framework in order to disseminate information through maps for territory monitoring. Basic WebGIS functions were extended with the help of POSTGIS database and OpenLayers libraries. Geoserver was customized to set up and enhance the website functions developing various advanced queries using PostgreSQL and innovative tools to carry out efficiently multi-layer overlay analysis. The end-product is a simple system that provides the opportunity not only to consult interactively but also download processed remote sensing data.

2

Analysis of Alter Messages formats for Environmental Disaster Management

Cefalo R., Maver S., Paparini C.

Reports on Geodesy

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2011

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z. 2/91

43-50

EN

Crisis and emergency management require fast response times and the most efficient use of resources. It is required to have an effective response to hazards, for example, calls for early alert, reliable and accurate position information about the location of event. Police and emergency services need reliable and accurate knowledge of the location of deployed forces in order to coordinate them efficiently. This issue is particularly critical when the 'traditional' infrastructures are not available because of the emergency conditions (i.e. floods, maritime emergencies, oil spills, earthquakes and humanitarian aid operations). In this paper a contribution to environmental disaster prevention and management is given by the analysis of parameters relative to the identification and georeferencing of different kind of natural and anthropic emergenciesthrough the study of the format of the Common Alerting Protocol (CAP) version 1.2, implemented by Oasis, that allows a consistent warning message to be disseminated simultaneously over many different warning message to be disseminated simultaneously over many of transmission of alter messages are also examined including the possibility to use EGNOS (European Geostationary Navigation Overlay System) SIS (Signal In Space). The final objective is the extraction and real time visualization of the information on a mobile device (PDA, mobile phone).

3

CER telegeomatics applications and projects in Central Europe

Manzoni G., Bolzon G., Cefalo R., Gherdevic D., Martinolli S., Piemonte A., Rizzo R., Sluga T.

Reports on Geodesy

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2006

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z. 2/77

273-281

EN

Applications and Projects of the Centre of Excellence in TeleGeomatics, University of Trieste, are herein reported, in particular as far as regards the Interreg SISA (Survey and Information System of Adriatic Roads) Project. The new instruments and devices of MMS used for the surveys are described together with the obtained results and accuracies. Moreover the results of laser scanner surveys from the Mobile Mapping Systems are presented and compared to another more accurate system. Future developments and application are presented linking together different techniques and methodologies for real time surveys, in particular with the use of WADGPS techniques also through InterNet (SISNeT ESA Project), with a software developed at the Laboratory oC Topogra.phy and GIS, Department of Civil and Environmental Engineering.

4

From ESTB to EGNOS: overviev on the development of the first European Satellite based augmentation system

Calderan M., Cefalo R., Montefusco C.

Reports on Geodesy

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2004

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nr 1/68

7--19

EN

EGNOS, the European Geostationary Navigation Overlay Service, is being developed in the frame of the European Program for Co-operation in the Satellite Navigation. The concept of Wide Area Differential GPS (WADGPS), the main driver for the development of a Satellite Based Augmentation System, is herein reported. The architecture of ESTB (EGNOS System Test Bed) is then presented, illustrating the system development towards the future EGNOS FOC (Fully Operational Capabilities) phase. Finally, in the context of the ESA SISNeT (Signal In Space through Internet) Project an example of a SISNeT client application developed at the Department of Civil Engineering, University of Trieste, Italy is hereafter presented.

5

Kinematic positioning using EGNOS system test bed (ESTB) in Central European Countries in 2002

Ciecko A., Oszczak S., Popielarczyk D., Bakuła M., Cefalo R., Manzoni G., Balint J.

Reports on Geodesy

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2003

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z. 1/64

245-255

EN

The paper describes three experiments performed in Poland, Slovakia and Italy. The experiments concern navigation and positioning of a moving vehicle with the use of GPS satellite system and the corrections from EGNOS satellites. Tests were performed in cooperation of University of Warmia and Mazury in Olsztyn, Poland; University of Trieste, Italy and Air Force Academy in Kosice, Slovakia. Experiments were carried out in the August and September 2002. Different receivers were taking part in the experiments including Ashtech, NovAtel and Magellan receivers. The results of ESTB satellite positioning are compared with performance oC precise RTK - OTF method. Estimation of accuracy of ESTB satellite positioning is done. The results are presented and discussed.

6

Static and kinematic experiments on EGNOS

Cefalo R., Gatti M., Sluga T.

Reports on Geodesy

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2002

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z. 3/63

87-103

EN

Since February 2000, various static and kinematic tests have been performed at the Department of Civil Engineering, University of Trieste and Department of Engineering, University of Ferrara, to analyse the achievable positioning accuracies using the WADGPS (Wide Area Differential GPS) corrections transmitted by Geostationary Satellites. In this paper, we report the most resent experiments using the ESTB(EGNOS System Test Bed) SIS (Signal In Space) from the Inmarsat III AOR-E Geostationary Satellite in static and kinematic mode, together with a static test using the WAAS (Wide Area Augmentation System) signal the Inmarsat III AOR-W Geostationary Satellite.

7

Real time positioning and data transmition for rescue services

Cefalo R., Degrassi F., Manzoni G., Moro A., Martinolli S., Pagurut R., Piemonte A., Sluga T.

Reports on Geodesy

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2002

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z. 1/61

265-269

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Analysis of WADGPS (Wide Area Differential GPS) kinametic data by means of ESTB (EGNOS System Test Bed) signal

Cefalo R., Gatti M.

Reports on Geodesy

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2001

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z. 2/57

91-100

9

GPS and GLONASS application researches at the University of Trieste

Cefalo R., Greblo S., Manzoni G., Noe S., Pagurut R., Sluga T.

Reports on Geodesy

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2000

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z. 8/54

41-45

10

DGPS and Waas experiments with different RTCM radio sources in the CEI area

Cefalo R., Manzoni G., Pagurut R., Plasil J., Sluga T.

Reports on Geodesy

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2000

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z. 6/52

63-69

EN

This paper reports some results of a research performed just before the elimination of the SA in the GPS signals, and it remain valid for the high accuracy Differential and RTK operations. The research is based on the availability in the CEI area of several radio diffused RTCM corrections. Some of them are simultaneously present in some areas, thus allowing static and kinematic analyses of their accuracy and continuity. The paper refers experiments with two Low Frequency transmitted signals, i.e. ALF and LF signal from Podebrady (Prague) and one FM transmitted signal: DARC. Moreover two WAAS corrections have been tested in Trieste coming from the Geostationary satellites 120 and 122, the former visible at 30 degrees of elevation and the latter at 6 degrees. Since these last experiment have been performed during the first week without SA, a comparison with the stand alone GPS positions have been allowed and are here reported.

11

Road vehicle overtaking manouvres trajectory survey by GPS

Crisman B., Cefalo R., Tinta L.

Reports on Geodesy

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1999

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z. 3/44

139-150

12

Landslide monitoring by means of geodetic GPS

Berlasso G., Cefalo R., Manzoni G., Sluga T.

Reports on Geodesy

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1999

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z. 3/44

189-197

13

Kinematic DGNSS feasibility and applications

Cefalo R., Manzoni G., Sluga T.

Reports on Geodesy

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1999

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z. 3/44

181-188

EN

The possibility of applying kinematic DGPS to two case studies, i.e. civil engineering structure vibration monitoring and photogrammetry by flying aerostats, is experimentally demonstrated. High sampling rate geodetic GPS receivers allow to record vibrations up to 5 Hz frequency. As an example, the vibration spectrum of the top of a 100 metre chimney of about 0.3 Hz was computed and compared in this paper with the spectrum of simultaneous accelerometric records, showing a very good agreement. At the beginning of an other case study, the kinematic DGPS was tested on a ground-linked aerostat. The trajectory is shown as obtained using the continuous carrier phase data.