lidar

Up-To-Date LiDAR Mapping Yields Essential Data

Fri, 20 Jul 2012 04:27:20 +0100

The reason for LiDAR vegetation mapping is to identify the reason for climate change. The climate change is the one that happen due to reduced emission that occurs from forests due to deforestation and degradation. So it is necessary to map and monitor tropical forest carbon stocks areas and emission areas in the geographic area. LiDAR Mapping companies, by using satellite imaging, air borne light detection and ranging and field plots the geography mapping can be done, to identify these areas. In this way we can monitor key natural resources through geographic mapping and prevent them from decaying.

How LiDAR map is done?

We had applied variety of multiple linear regression models and subset from a group of twenty six predictor variables derived from discrete-return LiDAR data (two dimensional post spacing), advanced land image (ALI), multi spectral (30m) and panchromatic (10m) data or variables from geographic X, Y and Z locations to obtain a LiDAR Vegetation Mapping. Generally speaking, LiDAR-derived variables had greater utility than ALI variables to predict the response variables especially to predict the values in basal areas. The height variables of LiDAR are most useful for predicting basal areas. LiDAR intensity variables are the one, for predicting free density. These above said variables in the above statement can be said as LiDAR canopy cover variables.

LiDAR mapping corporations, apply Natural logarithm are applied to those variables modeled for predicting basal space values. Once the higher than analysis and applying variables and getting an acceptable model we tend to use the model with remote sensing technology.

We compared the utility of discrete-light come detection and pictures obtained through LiDAR and that we tried the combination of higher than ideas utilized in these higher than processes for modeling and mapping basal landscape areas and landscape density areas of forest Using typical remote sensing strategies, by means that of reforestation and aerial photography by that a thick cover is established for mapping basal landscape areas. In April 2004, ALS mapping mission acquired earth’s topographic knowledge. This was done to spot headwater channels and gullies within the forest and thereby to spot as a separate identity within the morphological info. Comparisons are created with field traverses using differential GPS and reference cross sections. LiDAR knowledge offer correct info. . The power of LiDAR knowledge is to map gullies and channels in an exceedingly forested landscape and to enhance channel network maps and topological models. The aim of LiDAR knowledge is to extract gully cross-section morphologic info underneath forest cover. The LiDAR knowledge is useful for orienting flights over gullies. LiDAR knowledge helps to differentiate areas between vegetation and ground surfaces.

LiDAR Can Improve Energy Efficiency

Mon, 16 Jul 2012 04:43:58 +0100

As part of the federal Government's policy of modernizing the electrical grids, every transmission operator needs to asses the exact physical properties of their high voltage transmission lines. This assessment will help in achieving operational excellence by reducing the associated risks. Using modern technologies like LiDAR, it is possible to precisely map the transmission assets and predict changes based on various parameters. The vegetation risk can also be identified by using Transmission LiDAR.

According to the federal mandate, just identifying the vegetation risk will not be enough. The utility also needs to prioritize and plan to remove the vegetation which is a risk to the transmission lines. To ensure compliance, an audit able plan of action also needs to be created. Doing all these is not possible by the traditional methods.

On the other hand, modern remote sensing techniques in combination with state of the art analytics software help utilities to take the precise inventory including the accurate location of all substations, conductor and transmission towers with their exact geographical location. Moreover, Transmission LiDAR also helps in analyzing various on- field threats and provides the ways to remove those.

Modern technologies like airborne LiDAR are used for the aim of identification and mapping of the assets, ancillary structures and vegetation cowl of a utility. However solely knowledge assortment isn't enough. Therefore business analytics software is employed to transpose this knowledge into digital 3 dimensional models of the utility. This model is capable of determining line sag underneath completely different operating variables. As a result it's the proper tool to detect unforeseen risks furthermore as realizing untapped potential of the utility.

The entire method is finished in four stages. The primary stage identifies the vegetation of the utility by Transmission LiDAR. It conjointly involves preparation of the digital models from the collected knowledge. Future step asses the chance by fastidiously analyzing the three-D models. The measurement and prioritize of the chance factors are done on this stage. Within the third stage scheduling of risk removal is finished. This stage conjointly deals with executing the chance removal. The ultimate stage involves documenting the whole procedure and auditing it. It’s conjointly checked if the work was done maintaining all the federal specifications.

How to use of LiDAR with Some Companies

Fri, 22 Jun 2012 05:03:07 +0100

Applications of LiDar Technology

LiDAR Mapping companies use this technology to map features that lie below forest canopy, assisting in field campaigns, providing a broad picture of the features that cannot be viewed or distinguished on the ground. Location of archaeological sites of micro topography and identifying areas of fuel accumulation to reduce chances of forest fires are some regular solutions offered by Lidar mapping companies through interpretation and analysis of data. The three technologies of By mounting Lidar sensors on mobile navigation systems such as aircrafts, satellites etc can help as GPS (Global Positioning Systems) and Inertial Measurement Unit (IMU). Farmers have been greatly benefited by this technology, since it provides information about the areas where costly fertilizers need to be applied.

Lidar Technology

Lidar or Light detection and Ranging refers to optical remote sensing technology capable of measuring distances and other properties of any target. This technology illuminates a target with light often using laser pulses to measure details of a target. This system uses three technologies namely (a) Laser, (b) Satellite positioning using GPS and (c) Inertia Measure Unit (IMU) to record object orientation. For topography mapping exercises LiDar systems use infrared laser light which is safe for eyes. Its active sensing system uses own energy source instead of emitted radiation. LiDAR is often applied in geomatics, geography, archaeology, geology, forestry, remote sensing and atmospheric physics. LiDar technology’s advantages are higher or better resolution, accuracy to centimeter level and high degree of penetration in forest terrain.

Some companies, United States based risk management services company, provides risk specific inventory and analysis by remote sensing technology to utility companies. In its vegetation management analysis uses LiDar (Light Detection and Ranging) to identify and map vegetation threats and predict infrastructure changes due to load, temperature and climatic factors.

Vegetation Mapping

LiDAR being an active sensor can be used day or night as long as atmosphere is clear. The two main categories of resource management applications which use LiDAr are a. Vegetation mapping and b) topography mapping. LiDAR vegetation mapping technique measures three dimensional characteristics of plant canopies to estimate vertical structure of vegetation areas. LiDar vegetation mapping technology is very advanced and uses complex three dimensional pattern of forest land structure to access forest canopy and capture details of ground and elevation of vegetation cover.

How to used Lidar is best technology in Yours Company

Fri, 15 Jun 2012 04:44:31 +0100

A Lidar company uses this technology and much other technological advancement in surveying and mapping land and sky to collect accurate and huge amounts of data for study. This is extremely profitable in identifying any threats to a particular area and a plan for risk management can be laid out according to the data obtained. LiDAR is a laser application which is assisted by experts and supporting aircraft and computing software when gathering and processing the necessary data. This is where a LiDAR Mapping companies has complete control and influence over its use and purpose.

These companies can be approached for a survey and mapping of the asset to be studied and they gather the necessary data using airborne or terrestrial scanning. These assets include electrical utility, oil, gas, forestry, mining, transportation and other environmental assets. With the right kind of equipment utilized according to the project requirement can be cost effective and provide the best results required. Several environmental, agricultural and infrastructure projects are planned frequently and the use of LiDAR technology can help predict any future damages and also provide accurate data to plan effectively and arrange enough safety procedures. Lidar companies use the best of technology and workforce to provide data worth knowing and understanding with a speed and accuracy that is unmatchable.

The invention of this technology has helped us improve the standards of agriculture, understand quality of soil and predict weather forecast which has helped to identify and estimate various natural disasters. Predicting the weather is always complicated as it is in constant change and is influenced by several factors. Storm data collection has been a priority in times of recent devastations. This forecast requires a powerful range of survey and computation technologies to judge the intensity and timing of storms, earthquakes and floods which is why LiDAR has found its use in atmospheric observations.

LiDAR or Light Detection and Ranging technology is applied in several fields such as agriculture, archeology, biology and conservation, geology and soil science, meteorology and atmospheric environment, military, astronomy and many more. Its ability of mapping using laser technology and elevation points with high accuracy, speed and resolution has provided data for city, forestry, bare or agricultural land mapping and flood studies. LiDAR has the ability to tackle various targets and terrains including rain and cloud intensity.