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Data Management

Code UE : HBB370

  • Cours + travaux pratiques
  • 3 crédits
  • Volume horaire de référence
    (+ ou - 10%) : 30 heures

Responsable(s)

Claire MARION

École du numérique et de l'IA

Public, conditions d’accès et prérequis

Entry requirements 
Good knowledge of mathematics, physics and English 
  
Relationship to other courses: 
HB300 – Information technology 
HB310 – navigation 
HB340 – Tides and currents 
HB350 – Geodesy & cartographic systems 
HB360 – Hydrographic surveying 
HB380 – Geology & cartographic systems 
HB390 – Legal aspect 
HB500 – Hydrographic practice 

Objectifs pédagogiques

Module Outline: 
  • ANALOGUE DATA CAPTURE 
  • Manual input of alphanumeric data 
  • Raster scanning processes and vector digitisation 
  • Description of digitising systems and scanners 
  • Georeferencing of paper maps 
  • Description of digital data formats 
  • Digital data transfer exercises 
  
  • DATA MANAGEMENT, PROCESSING AND ANALYSIS     
Approximation and estimation 
  • Approximation and estimation procedures for survey measurements 
Spatial data processing & analysis 
  • The concepts of Geographical Information Systems (GIS) 
  • The properties of spatial databases and Database Management Systems (DBMS) 
  • The concepts of raster and vector data, gridded and meshed models (including TINs) 
  • Spatial data selection algorithms: filtering, smoothing, approximation, estimation, correlation and analysis 
  • Digital Elevation Models (DEMs) 
 
  • MARINE GIS 
  • The use of Geographical Information Systems (GIS) within the marine environment and their use in areas such as coastal zone management 
  • Graphic presentation of data from marine data bases 
  • Data and metadata management and nautical charting 
  • The electronic charting concept as a special form of GIS 
  
  • DATA PRESENTATION 
Visualization and presentation 
  • Cartographic semiology, colour theory and schemes, shading and illumination techniques 
  • Manual and automatic plotting and contouring of hydrographic data: resolution, scale and vertical exaggeration 
  • The use of vector and raster digitising and plotting systems 
  •  Hydrographic applications of 3D modelling and visualisation 
 
  • MARINE CARTOGRAPHY 
  • Chart compilation process and flow line 
  • Application in the production flow of the instructions of the General Bathymetric Chart of the Oceans (GEBCO): 
  • Nautical charting & production; Chart Compilation 
The process involved in selecting soundings and features for the nautical chart from a hydrographic survey or other sources 
  • Assessing and maintaining data quality throughout the compilation process 
  
  • COASTAL TOPOGRAPHY & MAPPING 
  • GNSS-based and ground survey techniques to delineate coastline and attached cultural features 
  • Coastline map creation with aerial photographs 
  • The use of Ground photography in the depiction of coastline topography 
  • Relation between tidal datums and charted shorelines 
  
  • PUBLICATIONS 
  • Required hydrographic data for navigational publications (including tide tables, sailing directions, light lists, radio aids to navigation, port guides, and notice to Mariners) 
  
  • CHART PRODUCTION / REPRODUCTION OF ANALOGUE MAPS 
  • The process of creating chart plates from graphic products and from digital files 
  • Production of the Chart out of multiple plates 
 
  • DIGITAL MAPS 
From digital data to digital maps (on nautical devices and on the web) 
  
  • CORRECTION OF CHARTS 
  • The importance of updating nautical charts and the dissemination of chart corrections 
  • The responsibilities of each element in the sequence from surveyor to mariner 
  •  Obtaining latest information and checking for old data 

Compétences visées

Learning Outcomes: 
 
  • To be able to create the required data types, part of a standard exchange format and to configure systems for secure storage, transfer and backup of survey data. 
  • To be able to use data cleaning techniques using appropriate software, while distinguishing between noise, outliers and real features as well as assessing propagated errors of survey data. 
  • Applying procedures used to assess, accept and reject data. 
  • Being able to apply spatial data processing techniques to create DTMs or gridded surfaces and contouring, as well as applying estimation procedures to assess survey measurements and volume computations. 
  • To explain the concepts of Spatial Data Infrastructures (SDIs); raster and vector data models. 
  • To be able to use file types that support the exchange of hydrographic data to transfer data between acquisition, database and GIS environments. 
  • Explain the concept and use of GIS within the marine environment. 

Contenu

Lecture 1 Analog data capture 
Lecture 2 Management, processing and analysis of spatial data 
Lecture 3 Marine GIS 
Lecture 4 Data presentation 
Lecture 5 Marine Cartography 
Lecture 6 Coastal Topography & Mapping 
Lecture 7 Publications 
Lecture 8 Chart Production / Reproduction of Analogue Maps 
Lecture 9 Digital Maps 
Lecture 10 Correction of Charts 

Modalité d'évaluation

Evaluation 
Evaluation form  
Written examination, partly with multiple choice, partly with open questions. 
Fieldwork – permanent evaluation of the practical exercises 
Assessment methodology 
The final figure of assessment is composed of: 
50% (written examination) 
50% (permanent evaluation) 
Assessment criteria 
Permanent evaluation: this evaluation is based upon the training record book in relation to the number of tasks carried out and the comments of the supervisor(s) expressed in written in the book; workshops: proof of attendance: reports, exercises. 
Theory examination: quality of knowledge, insight, relation between subjects, … 

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Intitulé de la formation
Type
Modalité(s)
Lieu(x)
Intitulé de la formation Bachelor océanographe prospecteur
Type
Lieu(x) Initial
Lieu(x) Paris
Entrée Niveau 4 (Bac)
Intitulé de la formation Type Modalité(s) Lieu(x)

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