Seaglider

Seaglider

Category： Glider

Model： Seaglider

Brand： Kongsberg/HII

Quantity： 4

Instrument： Non-shipboard Instrument

Equipment Condition： Normal

Maintenance Manager

Kai-Chieh Cathy Yang
Technician I
(02)3366-6884
kaichieh@ntu.edu.tw

Instrument Expert

Function Description

  • Remote-controlled autonomous ocean environmental monitoring vehicle: It carries various ocean measurement probes and uses changes in its buoyancy and center of gravity to glide back and forth between the ocean surface and a depth of 1000 meters, obtaining hydrological profile data.

  • Real-time data transmission: Each time it surfaces, it transmits GPS positioning and data via satellite, or receives control commands to adjust the sampling frequency, path, and dive parameters.

  • Unrestricted by seasons, sea conditions, or observation range: Powered by lithium batteries with extremely low energy consumption, it can continuously survey for three to six months or more, depending on mission requirements.

  • Ideal for long-term ocean environmental monitoring: It collects physical, chemical, and biological properties of seawater, making it significant for research on watermass, climate change, and marine ecology, etc.

Borrowing Rules

Please contact the equipment technician.

Equipment Description

Body length approximately 1.8 meters, wingspan approximately 1 meter, maximum diameter 0.3 meters, communication antenna length 1 meter, weight approximately 55 kg.
 

Payloads

  • Temperature and Conductivity (Seabird SBE CT Sail):
    The Sea-Bird Scientific temperature and conductivity probe designed for Seaglider, used for measuring seawater temperature (T) and conductivity (C) within 1000 meters. This data can be converted to salinity, density, and other hydrological parameters.

       

Measurement

Range

Accuracy

Resolution

Conductivity

0 – 7 S/m

0.005 S/m

0.0001 S/m

Temperature

-5 – 35℃

0.002℃

0.0001℃

 

  • Dissolved Oxygen (Aanderaa Optode 4831):
    Manufactured by Aanderaa Data Instruments AS (AADI), uses optical principles (based on fluorescence quenching method) to measure dissolved oxygen (DO) in water.

       

Measurement

Range

Resolution

Accuracy

DO

O2 Concentration

0 – 500 µM

< 1 µM

<8 µM or 5%

Air Saturation

0 – 150%

0.4%

<5%

Temperature

-5 – 40°C

0.01°C

±0.03°C

 

  • Chlorophyll Fluorescence and Optical Backscatter (WET Labs ECO Puck):
    Uses light of different wavelengths to detect chlorophyll fluorescence and backscattering in water.

       

Parameter

Wavelength EX/EM

Range, Sensitivity

Chlorophyll (Chl)

470/695 nm

0 – 50, 0.025 µg/L

Scattering

532 nm

0 – 5, 0.003 m-1

700 nm

0 – 5, 0.003 m-1

 

 

Maintenance & Attendance Records

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