Cadastral surveying is a process that involves a detailed and comprehensive inventory of real estate assets in a particular territory. This inventory includes the identification, location, description, and valuation of each registered property.
The main objective of cadastral surveying is to provide accurate and up-to-date information on real estate ownership in a specific area. This information is used by local and national authorities for territory management, urban planning, tax collection, and decision-making related to land use and urban development projects.
Cadastral surveying can be carried out by specialized companies in the fields of topography and cartography, using modern technologies such as Global Positioning Systems (GPS), aerial photography, and Geographic Information Systems (GIS). It can also be performed by local or national governments through their cadastral or topographic departments.
Cadastral surveying is an important tool for territory management and urban planning, as it provides essential information for decision-making related to urban development, tax collection, and natural resource management.
Methods of cadastral surveying
There are several methods of cadastral surveying, each with its own advantages and limitations. Some common methods are:
- Ground surveying: This involves measuring the boundaries and features of land parcels on the ground, using equipment such as total stations and survey-grade GPS devices. Ground surveying is typically used in urban areas where properties have well-defined boundaries.
- Aerial surveying: This involves capturing images of the land from an aircraft or drone, and using photogrammetry software to create a 3D model of the terrain. Aerial surveying can cover large areas quickly, but it may be less accurate than ground surveying.
- Mobile mapping: This involves using a vehicle equipped with LiDAR (Light Detection and Ranging) sensors and cameras to capture data on the ground, and then using software to create a 3D model of the terrain. Mobile mapping can be useful in areas with complex terrain, such as forests or mountains.
- Remote sensing: This involves using satellites or aircraft to capture images of the land, and then using software to analyze the images and extract information about land use, vegetation, and other features. Remote sensing can cover large areas quickly, but it may be less accurate than ground surveying.
Each method has its own advantages and limitations, and the choice of method will depend on the specific needs of the cadastral surveying project.
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