Hydrographic Surveying - LECTURE 4: DEPTH SOUNDING EQUIPMENT

1. HYDROGRAPHIC
SURVEYING
LECTURE 4:
DEPTH SOUNDING EQUIPMENT
BY: AHMED YASSER AHMED MOHAMED NASSAR
SECTION: 1 ID:20

2. HOW DEPTH
SOUNDING WORKS
• Transducer
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3. HOW DEPTH
SOUNDING WORKS
• Transducer transmits (sonic
pulses) Sounds
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4. HOW DEPTH
SOUNDING WORKS
• When sonic pulses detect a
ground, it reflects to the vessel
receiver , them with known
pulse speed and time needed
to reflect, we calculate the
distance.
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5. COMPONENTS
OF DEPTH
SOUNDING
EQUIPMENT
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FREQUENCY
BEAM
DIVERGENCE
(CONE
ANGLE)
DEPTH

6. FREQUENCY ,
DEPTH AND
DIVERGENCE
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7. FREQUENCY ,
DEPTH AND
DIVERGENCE
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8. ELEMENTS EFFECT DEPTH CAPABILITY
1. Transmitter power.
2. Receiver, sensitivity.
3. Frequency.
4. Transducer.
5. Transducer installation.
6. Water conditions and types.
7. Bottom conditions .
8. Factors affecting wave propagation include: temperature, salinity , pressure and density.
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9. THANKS
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