TODAY is #gisday and to celebrate, we wanted to give you a sneak peak into some of the work our Geospatial Foundations team does with lidar. Wait, what’s lidar, you ask? It’s short for Light Detection and Ranging, and here’s how it works: A sensor that shoots a laser to the ground is mounted on an airplane. We can calculate the distance the laser traveled based on the time it takes to get back to the plane, and we can use that distance to get information about the terrain surface and height of vegetation. Our team uses lidar, in part, to collect detailed information they can then use to map human land-use and natural disturbances, and to quantify vegetation regrowth on these features. This is useful for mapping habitat recovery for threatened species, for example, like woodland caribou. By understanding the status of caribou habitat, and recovery rates on various habitat disturbance features associated with caribou declines, habitat restoration efforts can be more effectively prioritized. #ABMIatWork #lidar #biodiversity #biodiversitymonitoring #habitat
Alberta Biodiversity Monitoring Institute’s Post
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Nearview has gone #hyperspectral! In partnership with Schoodic Institute at Acadia National Park, we are flying and mapping salt marsh ecosystems on the coast of Maine with a Headwall VNIR system, high-resolution RGB camera, and lidar. Can you see the difference? While the RGB provides higher resolution, the 136 spectral bands of the VNIR system more easily distinguishes vegetation types and species. Nearview appreciates the support of GRYFN in this survey effort. Our imagery will be used to classify and monitor salt marsh vegetation. The data will also be used to build out our spectral library (https://lnkd.in/ebWdtBgx). We will be releasing the next speclib within a couple of weeks, which will feature spectra for seaweed, salt marsh plants, seagrasses, and intertidal sediments. This open-access library is the only source of hyperspectral ground validation data specific to intertidal and coastal ecosystems. We will announce the upcoming release soon! #remotesensing #dronesforgood #uas #lidar #saltmarsh #marinescience #marineecology #intertidal #earthobservation
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Title: Mapping Disturbances from Hurricanes and Lightning in Mangrove Forests Using LiDAR in Everglades National Park Description: This project utilizes LiDAR data to identify and map disturbances caused by hurricanes and lightning strikes in the mangrove forests of Everglades National Park, Florida. Using high-density LiDAR point clouds from a 1 km × 1 km study area near Shark River, the project demonstrates a comprehensive process in ArcGIS. The aim is to provide a more efficient and effective method than traditional field surveys or optical remote sensing, which lack tree height information. This approach helps understand the environmental impact of disturbances and aids in the management and conservation of mangrove ecosystems. #LiDAR #RemoteSensing #MangroveConservation #EnvironmentalImpact #ArcGIS #ForestManagement #HurricaneImpact #LightningStrikes #EvergladesNationalPark #GIS #EcologicalResearch #DataScience #EnvironmentalMonitoring #SpatialAnalysis #ConservationScience #GeospatialAnalysis
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🇸🇪 Surveyor/GIS Engineer | Geomatics M.Sc (Lund Univ) | Geodata | Photogrammetry | 3D Modeling | Drone Mapping & Model building | #Geospatial #GIS #DroneMapping #Survey consultant
Topographic Lidar vs Bathymetric Lidar (By Airborne) Airborne Lidar systems are commonly mounted on either fixed-wing aircraft or helicopters (drones as well). In this configuration, infrared laser light is emitted downward and captured by the moving Lidar sensor. There are two primary categories of airborne Lidar sensors: topographic and bathymetric. Topographic Lidar: Topographic Lidar is employed to create detailed surface models for various applications, including forestry, hydrology, geomorphology, urban planning, landscape ecology, coastal engineering, survey assessments, and volumetric calculations. Bathymetric Lidar: Bathymetric Lidar is specifically designed for water penetration. Most bathymetric Lidar systems simultaneously capture elevation and water depth, providing a comprehensive survey of the land-water interface. During a bathymetric Lidar survey, the infrared laser reflects off both land and water surfaces, while an additional green laser penetrates the water column. Analysis of these distinct pulses aids in establishing water depths and shoreline elevations. Bathymetric information holds particular significance near coastlines, harbors, shores, and banks, and it is also pivotal for locating objects on the ocean floor. Image: arcgis.com #gis #3d #lidar #drone #topographic #bathmetric
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#LiDAR technology can often "see" what the human eye and other technologies can't, and that includes what's happening undersea. Here's how it can view the seafloor in #Australia according to NSW Department of Planning and Environment >>
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Important snow monitoring in Southern Alberta
A short article in GIM about our Lidar snowpack mapping project with Teledyne Geospatial and Government of Alberta. https://lnkd.in/gNXW_mWw
Airborne Lidar deployed for mapping snowpack depth in Canadian Rockies
gim-international.com
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🎉 The new YellowScan Navigator is here! YellowScan's newest and most innovative product, the Navigator is a bathymetry LiDAR system that enables shallow water terrain topography mapping as well as water surface capture. It is perfect for non-navigable areas (shallow to medium depth waters) and where the costs of using an aircraft for scanning would be too high. Specifications: ➡ Precision and accuracy: 3 cm, ➡ Maximum depth: 2 Secchi, ➡ Operating altitude: between 25 and 100 m, ➡ 44° scanning FOV, ➡ Autonomy of 40 minutes. Its applications are in the fields of coastal oceanography, safety of hydraulic structures, natural disasters, underwater archaeology, surface water hydrology, dredging and marine works, but it can equally well be used for different types of analysis in rivers and lakes. More details: https://lnkd.in/dHAk6Fru #LiDAR #bathymetry #YellowScan #laorizont #skylinedrones
YellowScan Navigator - Inovative Bathymetry LiDAR system
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EAASI Summit Insights: Portugal's Aerial Surveying Initiatives. Paulo Patrício, Head of the Geodesy, Cartography, and Geographic Information Department at the Directorate-General for the Territory – Portugal, provided an in-depth exploration of Portugal's advancements in the field of aerial surveying during the EAASI Partners Summit (Lisbon 21-24 November). LiDAR survey: the agency is set to produce a new Digital Terrain Model, along with various derived products, including vegetation maps managed by the Nature Conservation and Forest Institute. Scheduled to commence in the coming months. Density: 10 points/m2. 🌐 Stay Tuned for More Summit Insights! This post is part of a series sharing key takeaways from the EAASI Summit. Don't miss out on the latest trends and advancements in aerial surveying. Follow us for more updates. #lidar #survey #aerialmapping #mapping #geospatial
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🇸🇪 Surveyor/GIS Engineer | Geomatics M.Sc (Lund Univ) | Geodata | Photogrammetry | 3D Modeling | Drone Mapping & Model building | #Geospatial #GIS #DroneMapping #Survey consultant
🌟Underwater LiDAR:🌟 💡Underwater LiDAR is marine research and exploration by providing high-resolution 3D maps of underwater environments with high detail and accuracy. 🌟 Key Benefits of Underwater LiDAR: 💡1-Precision Mapping: Captures detailed 3D models of underwater landscapes and structures with high-level accuracy. 💡2-Enhanced Exploration: Enables scientists and researchers to study monitor changes over time, and discover hidden treasures with unparalleled clarity. 💡3-Efficient Surveys: Streamlines underwater surveys and inspections, reducing time and costs associated with traditional methods. 💡4-Archaeological Discoveries: Unveils submerged archaeological sites and artifacts, shedding light on our maritime history and cultural heritage. Video credit: Geospatial World #UnderwaterLiDAR #MarineExploration #OceanResearch #Innovation #Technology #MarineConservation #LiDAR #UnderwaterMapping
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🇸🇪 Surveyor/GIS Engineer | Geomatics M.Sc (Lund Univ) | Geodata | Photogrammetry | 3D Modeling | Drone Mapping & Model building | #Geospatial #GIS #DroneMapping #Survey consultant
🌟Underwater LiDAR:🌟 💡Underwater LiDAR is marine research and exploration by providing high-resolution 3D maps of underwater environments with high detail and accuracy. 🌟 Key Benefits of Underwater LiDAR: 💡1-Precision Mapping: Captures detailed 3D models of underwater landscapes and structures with high-level accuracy. 💡2-Enhanced Exploration: Enables scientists and researchers to study monitor changes over time, and discover hidden treasures with unparalleled clarity. 💡3-Efficient Surveys: Streamlines underwater surveys and inspections, reducing time and costs associated with traditional methods. 💡4-Archaeological Discoveries: Unveils submerged archaeological sites and artifacts, shedding light on our maritime history and cultural heritage. Video credit: Geospatial World #UnderwaterLiDAR #MarineExploration #OceanResearch #Innovation #Technology #MarineConservation #LiDAR #UnderwaterMapping
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Subject Matter Expert and Research Analyst in Disaster Management, Agriculture, Forest and Environment. Talks about natural resource management and preservation of environment. Let's connect and collaborate.
A highly recommended method for survey of rivers which are susceptible to flooding and in high risk position.
🇸🇪 Surveyor/GIS Engineer | Geomatics M.Sc (Lund Univ) | Geodata | Photogrammetry | 3D Modeling | Drone Mapping & Model building | #Geospatial #GIS #DroneMapping #Survey consultant
🌟Underwater LiDAR:🌟 💡Underwater LiDAR is marine research and exploration by providing high-resolution 3D maps of underwater environments with high detail and accuracy. 🌟 Key Benefits of Underwater LiDAR: 💡1-Precision Mapping: Captures detailed 3D models of underwater landscapes and structures with high-level accuracy. 💡2-Enhanced Exploration: Enables scientists and researchers to study monitor changes over time, and discover hidden treasures with unparalleled clarity. 💡3-Efficient Surveys: Streamlines underwater surveys and inspections, reducing time and costs associated with traditional methods. 💡4-Archaeological Discoveries: Unveils submerged archaeological sites and artifacts, shedding light on our maritime history and cultural heritage. Video credit: Geospatial World #UnderwaterLiDAR #MarineExploration #OceanResearch #Innovation #Technology #MarineConservation #LiDAR #UnderwaterMapping
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