CEC344 Ocean Observation Systems Syllabus:
CEC344 Ocean Observation Systems Syllabus – Anna University Regulation 2021
COURSE OBJECTIVES:
● To learn the important variables of ocean
● To learn the sensors used for ocean observation and its interfaces
● To study about various platforms used for ocean observation
● To understand data telemetry system for real time observation of Ocean.
● To study about data handling and processing techniques.
UNIT I INTRODUCTION TO ESSENTIAL OCEAN VARIABLES
Ocean – Dynamics of upper ocean, Air sea interaction, Waves, Currents, Tides, Salinity, Conductivity, Pressure, Temperature, Wind amplitude & Direction, Humidity, Ocean circulation, Sea states, Importance of Ocean observation: Coastal Zones-Cyclones-Tsunami.
UNIT II INSTRUMENTATION AND OBSERVATION SYSTEMS
General measurement system, Principles, Measurement of Meteorological and Oceanographic Surface & Sub Surface Parameters, Remote measurements. Measurement Techniques, Sensors and instruments: Oceanic Parameters and their conversion to Electrical signals. Sensors for wave, Salinity, Temperature, Rainfall, Water current & Direction. Pressure sensors for Tide and Waves. Acoustic sensors for measurement of Current speed & Direction, Platform Speed CorrectionGPS/DGPS.
UNIT III OCEAN OBSERVATION PLATFORMS
Eulerian-Langragian – Ship Based Observations, Surface Drifters, Moored Data Buoys, Tsunami Buoys, Argo float, Gliders, Satellite Based Observations, Challenges Associated with Underwater Measurements, Fouling-Corrosion.
UNIT IV OCEAN DATA TELEMETRY
Data telemetry, Wire telemetry, Modems, Wireless telemetry- Acoustic communicationsUnderwater Optic communication – Satellite Telemetry-LEO-GEO-MEO, GSM-GPRS, Inmarsat, INSAT, Iridium. ARGOS
UNIT V OCEAN DATA PROCESSING
Data processing and storage: Raw and processed data. Storage systems and methods- Data presentation, charts, electronic and graphic presentation, Data exchange, data formats
30 PERIODS
PRACTICALEXERCISES: 30 PERIODS
1. Interface of Analog /Serial sensor with Data Acquisition System
2. Calculating co-efficients, Drift for sensors
3. Data plotting and presentation exercise
4. Experiment on rail fall sensor interface and data telemetry through IoT
5. Circuit design for RS232/RS485/RS422/TTL Interface and testing of half and full duplex communication and sensor network
COURSE OUTCOMES:
On successful completion of this course, the student will be able to
CO1: Get an Explore on Ocean Dynamics and parameters
CO2: Different sensor interface for marine applications
CO3: Identification of suitable platform for various measurement & applications
CO4: To Know about various telemetries for ocean data transfer
CO5: Apply data processing and plotting methods for ocean parameters
TOTAL:60 PERIODS
TEXT BOOKS
1. James Irish, and Albert Williams III. 2.693, ―Principles of Oceanographic Instrument Systems – Sensors and Measurements (13.998), Springer, 2004.
2. Observing the Oceans in Real Time, ―R. Venkatesan and Amit Tandon, Springer, 2017.
REFERENCES
1. Ocean Instrumentation, Electronics, and Energy, ― S. R. Vijayalakshmi and S. Muruganand, Mercury Learning & Information, 2016.
2. Data analysis methods in Physical Oceanography, ―Richard E. Thomson and William J. Emery, Elsevier Science,2014.