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Hydrographic Surveys
Hydrographic survey is the science of measurement Technical Data used in
the field explained in civil surveyor course in Rawalpindi, and description
of the physical features of the navigable portion of the earth’s surface (seas)
and adjoining coastal areas, with special reference to their use for the purpose
of navigation.
Hydrographic surveys support a variety of activities: nautical charting, port
and harbor maintenance (dredging), coastal engineering (beach erosion and
replenishment studies), coastal zone management and offshore resource
development.
In suitable shallow water areas LIDAR (Light Detection and Ranging) may
be used which is an optical remote sensing technology that can measure the
distance to and other properties of a target by illuminating the target with
light often using pulses from a laser. This equipment can be installed on
inflatable craft, small craft, AUVs (Autonomous Underwater Vehicles),
UUVs (Unmanned Underwater Vehicles) or large ships and can include side
scan, single beam and multi beam equipment. Some more details of civil
surveyor course in Rawalpindi are as under.
The data that is collected during the hydrographic survey is massive and it
has to undergo post processing, thinned out and corrected for errors. These
errors that need to be corrected are the errors due to bad sounding, the effects
of tides, waves, water levels and temperature differences. Usually when
undertaking this survey, the surveyor would have additional data collection
equipment to record the data for correcting the soundings. The final product
is usually charts which are created by a combination of specialty charting
software or CAD packages usually AutoCAD. TSK Training for Skills and
Knowledge is the best institute in Rawalpindi Islamabad for Pakistani
Students who wants to join civil surveyor course in Islamabad.

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Hydrographic surveys

  • 2. Hydrographic survey is the science of measurement Technical Data used in the field explained in civil surveyor course in Rawalpindi, and description of the physical features of the navigable portion of the earth’s surface (seas) and adjoining coastal areas, with special reference to their use for the purpose of navigation. Hydrographic surveys support a variety of activities: nautical charting, port and harbor maintenance (dredging), coastal engineering (beach erosion and replenishment studies), coastal zone management and offshore resource development. In suitable shallow water areas LIDAR (Light Detection and Ranging) may be used which is an optical remote sensing technology that can measure the distance to and other properties of a target by illuminating the target with light often using pulses from a laser. This equipment can be installed on inflatable craft, small craft, AUVs (Autonomous Underwater Vehicles), UUVs (Unmanned Underwater Vehicles) or large ships and can include side scan, single beam and multi beam equipment. Some more details of civil surveyor course in Rawalpindi are as under. The data that is collected during the hydrographic survey is massive and it has to undergo post processing, thinned out and corrected for errors. These errors that need to be corrected are the errors due to bad sounding, the effects of tides, waves, water levels and temperature differences. Usually when undertaking this survey, the surveyor would have additional data collection equipment to record the data for correcting the soundings. The final product is usually charts which are created by a combination of specialty charting software or CAD packages usually AutoCAD. TSK Training for Skills and Knowledge is the best institute in Rawalpindi Islamabad for Pakistani Students who wants to join civil surveyor course in Islamabad.