User Tools

Site Tools



This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
remote_sensor_types:lidar [2009/11/12 14:04]
remote_sensor_types:lidar [2013/02/12 11:12] (current)
Line 1: Line 1:
-<​sup>​[[:​bug_reporting|Report a bug, broken link, or incorrect content]]</​sup>​+<​sup>​[[:​bug_reporting|Report a bug, broken link, or incorrect content]]</​sup>​[[http://​|{{ field_methods:​methodsguide3.png?​220x120|}}]]
 ====== LIDAR ====== ====== LIDAR ======
 ===== Other Names: ===== ===== Other Names: =====
-Light Detection and Ranging+Light Detection and Ranging\\ 
 +Laser altimetry\\ 
 +Airborne laser swath mapping (ALSM)\\ 
 +LIDAR contour mapping\\
 ===== Agency/​Company Operating the Sensor ===== ===== Agency/​Company Operating the Sensor =====
-name and/or link to agency+Various
 ===== Description ===== ===== Description =====
-Lorem ipsum dolor sit amet, consectetur adipisicing elitsed do eiusmod tempor incididunt ut labore et dolore magna aliquaUt enim ad minim veniamquis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequatDuis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proidentsunt in culpa qui officia deserunt mollit anim id est laborum.+LIDAR (Light Detection and Ranging) is a method of detecting information from a distant target using the properties of scattered light. ​ A LIDAR sensor sends out laser pulses and measures the time taken for the signal to reflect back to the sensor to determine the distance to the target. ​ It is similar in principle to RADARwhich uses radio waves of a much longer wavelength compared to LIDAR LIDAR sensors are attached to aircraft and provide high qualityhigh resolution information about surface topography and surface features It has been used successfully ​in rangelands to map land surface features such as vegetationtopography, erosion features, and surface roughness. ​ It has also been used in forest ecosystems to characterize height, canopy structure, [[remote_sensing_methods:​leaf-area_index|leaf area index (LAI)]] and [[remote_sensing_methods:​net_primary_productivity|biomass]] 
 ===== Similar Sensors ===== ===== Similar Sensors =====
-[[Sensor1]],​ [[Sensor2]],​ [[Sensor3]]+RADAR
 ===== Sensor Specifications ===== ===== Sensor Specifications =====
-Describe the sensor specifications such as spectral bands and wavelengths (e.g., in a table) ​ 
 === Spectral Bands/​Wavelengths === === Spectral Bands/​Wavelengths ===
Line 32: Line 34:
 === Image footprint or swath width === === Image footprint or swath width ===
 === Image resolution === === Image resolution ===
 === Availability === === Availability ===
-Begining ​and ending (if applicable) dates of availability +LIDAR sensors are attached to aircraft, ​and therefore they are not dependent on a set return ​interval ​like satellite-based sensors. ​
-Return ​interval+
 ===== Cost, Acquisition,​ Licensing ===== ===== Cost, Acquisition,​ Licensing =====
-Information ​on cost of the imagery and process for acquiring imagery (i.e., download from archive, scheduled acquisition)+Cost, acquisition procedures, and licensing of LIDAR images will vary depending ​on the source.
 ===== Image format ====== ===== Image format ======
-Format and delivery options for imagery from this sensor+
 ===== Examples of Rangeland Uses ===== ===== Examples of Rangeland Uses =====
-Links to projects or references of where data from this sensor was used in a rangeland ​projectDoesn'​t need to be an exhaustive list, just an example or two of where/how it was used+  * Rango et al. (2000) assessed changes in topography and shrub morphology resulting ​from a shift from grassland to shrubland vegetation using LIDAR technology 
 +  * Ritchie et al. (1992) ​used LIDAR to measure shrub cover and distribution ​in a south Texas rangeland 
 +  * Ritchie et al(1993 and 1995) used LIDAR to map erosional features such as gully cross-sections
 ===== Software/​Hardware Requirements ===== ===== Software/​Hardware Requirements =====
Line 52: Line 57:
 ===== Sample Image ===== ===== Sample Image =====
-{{:remote_sensing_methods:fig_pixel_visualisation.jpg|}} +{{:remote_sensor_types:lidar2.png|}} (source: Hunt et al. 2003) 
 +\\ \\ \\ 
 +LIDAR image (right) compared to an aerial photograph (left) of a coastline, showing the fine-scale topographic variations detectable using LIDAR (source: NASA)
 ===== Additional Information ===== ===== Additional Information =====
 +  * Wikipedia’s LIDAR page http://​​wiki/​LIDAR
 +  * National Science Foundation Long-term Ecological Research (LTER) using LIDAR technology http://​​search/​node/​LIDAR
 +  * The USGS Center for LIDAR Information Coordination and Knowledge http://​​knowledge.php
 +===== References =====
 +  * Glenn, N.F., D.R. Streuker, D.J. Chadwick, G.D. Thackray, and S.J. Dorsch. 2006. Analysis of LiDAR-derived topographic information for characterizing and differentiating landslide morphology and activity. Geomorphology 73: 131-148.
 +  * Hunt, Jr. E.R., J.H. Everitt, J.C. Ritchie, M.S. Moran, D.T. Booth, G.L. Anderson, P.E. Clark, and M.S. Seyfried. 2003. Applications and Research Using Remote Sensing for Rangeland Management. Photogrammetric Engineering & Remote Sensing 69: 675–693.
 +  * Mundt, J.T., D.R. Streuker, and N.F. Glenn. 2006. Mapping Sagebrush Distribution Using Fusion of Hyperspectral and Lidar Classifications. Photogrammetric Engineering & Remote Sensing 72: 47–54.
 +  * Rango, A., Chopping, M., Ritchie, J., Havstad, K., Kustas, W., and Schmugge, T. 2000. Morphological characteristics of shrub coppice dunes in desert grasslands of southern New Mexico derived from scanning LIDAR. Remote Sensing of Environment. 74: 26-44.
 +  * Ritchie, J.C., J.H. Everitt, D.E. Escobar, T.J. Jackson, and M.R. Davis. 1992. Airborne Laser Measurements of Rangeland Canopy Cover and Distribution. Journal of Range Management 45: 189-193.
 +  * Ritchie, J.C., T.J. Jackson, E.H. Grissinger, J.B. Murphey, J.D. Garbrecht, J.H. Everitt, D.E. Escobar, M.R. Davis, and M.A. Weltz. 1993. Airborne altimeter measurements of landscape properties, Hydrological Sciences Journal, 38: 403–416.
 +  * Ritchie, J.C., K.S. Humes, and M.A. Weltz. 1995. Laser altimeter measurements at Walnut Gulch Watershed, Arizona, Journal of Soil and Water Conservation,​ 50: 440–442.
 +===== Discussion/​Comments =====
 +<​sub>​**You must have an account and be logged in to post or reply to the discussion topics below. [[http://​​doku.php/​Home?​do=login&​sectok=db3676cff5bcd873b609b4e582432d73|Click here]] to login or register for the site.**</​sub>​
-  * Links to other info sources 
remote_sensor_types/lidar.1258059883.txt.gz · Last modified: 2012/02/22 13:28 (external edit)