Tools tagged with "Terrain Analysis"

Lidar is a specialized Python package designed for analyzing high-resolution topographic data, particularly Digital Elevation Models (DEMs) derived from LiDAR. It enables the delineation of the nested hierarchy of surface depressions, offering crucial insights for hydrological and geomorphological studies. The tool is openly available and supported by comprehensive documentation.

This platform serves as a central hub for sharing a wide array of geospatial data across various state departments in Kansas. It provides a comprehensive GIS Data Catalog, allowing users to explore and access diverse datasets. The geoportal aims to facilitate data discovery and utilization for state-level initiatives and public access.

This website offers a wide array of tutorials designed to help users effectively utilize QGIS, the free and open-source geographic information system. It covers fundamental GIS concepts, data manipulation, spatial analysis, and advanced mapping techniques. The resource is structured to guide users through various QGIS functionalities with clear, step-by-step instructions.

EarthEnv-DEM90 provides a nearly-global, void-free, 90m digital elevation model derived from fused ASTER and SRTM data. It offers continuous coverage for approximately 91% of the globe, supporting assessments of biodiversity, ecosystems, and climate.

This R package provides tools to calculate multi-scale geomorphometric terrain attributes from regularly gridded digital elevation models (DEM) and bathymetry rasters. It utilizes a specified window approach as described in Ilich et al. (2023) to derive various terrain characteristics. The package extends classical formulations for analyzing terrain morphology.

The Puget Sound LIDAR Consortium (PSLC) website provides access to historical LiDAR data for the Puget Sound area. While no longer actively maintained, it served as an important early resource for researchers and the public. Users are now directed to the more current Washington Department of Natural Resources LiDAR portal for up-to-date information and data.

The 3D Elevation Program (3DEP) is a U.S. Geological Survey (USGS) initiative to systematically collect enhanced elevation data nationwide. It aims to generate high-resolution topographic data, primarily using lidar technology, to support a wide range of applications. This program provides critical foundational data for mapping, natural resource management, infrastructure planning, and hazard mitigation across the United States.

This resource details the lidar data collection methods employed by NSF NEON to map vegetation height, density, and other surface characteristics over large regions. Using airborne sensors, lidar provides detailed 3D pictures of forest structure, crucial for ecological research. It highlights the advantages of active sensors like lidar for comprehensive ecosystem parameter mapping.

The TanDEM-X Science Server offers researchers and scientists access to high-resolution Synthetic Aperture Radar (SAR) data and Digital Elevation Models (DEMs) derived from the TanDEM-X mission. This platform supports a wide range of scientific applications by providing crucial geospatial information for Earth observation.

Pysheds is an open-source Python library designed for efficient watershed delineation and digital elevation model (DEM) processing. It provides tools for conditioning elevation data, such as filling pits and depressions, and for extracting hydrological features like stream networks and watersheds. The library is built for speed and ease of use in geospatial analysis workflows.

The WSDOT Geospatial Open Data Portal provides public access to the Washington State Department of Transportation's spatial data. Users can explore, filter, and download a variety of geospatial datasets related to transportation infrastructure and operations within Washington State. The portal also offers interactive maps for enhanced data visualization and analysis.

PDAL is an open-source C++ library and suite of applications designed for the translation and processing of point cloud data. It provides a common abstraction layer for various point cloud formats, enabling users to read, write, filter, and manipulate large geospatial datasets efficiently.

OpenTopography provides easy, centralized access to a diverse collection of high-resolution topographic data. This platform strives to simplify data discovery by integrating data from various sources, including the USGS 3D Elevation Program. It also offers a suite of tools for processing and analyzing these datasets.

This Printables.com collection, curated by dhersh, features a series of 3D printable models focused on significant Civil War battlefields. It offers a unique way to engage with historical geography, providing tangible representations of important sites for study or display.

The URL provided resulted in a 403 Forbidden error, preventing access to the page content. While the original title suggested a Digital Elevation Model for Cyprus based on ALOS-2 data, no further details could be retrieved due to the access restriction.

This platform offers comprehensive access to LIDAR datasets for New York State, including options for individual tile downloads via an application and bulk downloads through an FTP site. It also tracks the status of in-progress, planned, latest, and historic LIDAR collections across the state. Users can explore various projects and access associated metadata.

displaz is an open-source, hackable lidar viewer designed for visualizing point cloud data. Hosted on GitHub, it encourages community contributions for its development and enhancement, providing a flexible platform for geospatial professionals and enthusiasts.

point-cloud-utils is a Python library designed for efficient processing and manipulation of 3D point clouds and meshes. It offers a straightforward interface for common operations, making it accessible for developers and researchers working with 3D geospatial data. The library aims to simplify complex tasks related to 3D data handling.

The Global Multi-Resolution Topography (GMRT) synthesis is a unique and continually updated global elevation dataset. It integrates and harmonizes cleaned multibeam sonar data from oceans worldwide, rigorously reviewed and processed by the GMRT Team. This foundational resource offers seamless access to high-quality elevation data for ocean and terrestrial geoscientific research.

The Biodiversity and Environmental Resource Data System of Belize (BERDS) provides a spatial data warehouse component. It offers baseline ArcGIS shapefiles, primarily in UTM NAD 1927 Z16N format, for various societal, planning, conservation, and education initiatives within Belize. Users can download these datasets, which include full ArcGIS v.10 metadata, for free, with a requirement to reference BERDS in any publications.

This open-source project provides an interactive tool to trace the hydrological flow path of a single rain droplet across landscapes. By leveraging comprehensive USGS and MERIT Basin data, it simulates water movement through river networks and watersheds. It serves as an educational and analytical platform for understanding environmental processes and geographic connectivity.

Toporama, provided by Natural Resources Canada, offers an interactive topographic map viewer as part of The Atlas of Canada. It allows users to explore detailed topographic information for various regions within Canada, making it a valuable resource for geographic data and mapping.

The DOV Verkenner (Explorer) is a web-based portal developed by the Flemish government, providing interactive access to the Databank Ondergrond Vlaanderen. It allows users to explore, visualize, and query extensive subsurface data relevant to geology, hydrogeology, and geotechnics across the Flanders region.

CanElevation offers comprehensive Digital Elevation Models for Canada, encompassing Digital Terrain Models (DTM), Digital Surface Models (DSM), and other derived products. The dataset features resolutions of 1m, 2m, and 30m, integrating data from airborne LiDAR, optical digital images, and Copernicus DEM from the TanDEM-X Mission to ensure complete national coverage.

Fastscape is a landscape evolution model designed for speed, versatility, and user-friendliness. Hosted on GitHub, it provides a platform for researchers and practitioners to simulate complex geomorphological processes. The model aims to offer robust tools for understanding how landscapes change over time.

The LRIS Portal provides access to a vast collection of national and regional land resource information for New Zealand. It serves as a central hub for researchers, policymakers, and the public to explore and download critical environmental datasets. The portal facilitates informed decision-making across various sectors.

CalTopo is a comprehensive adventure planning software designed for mapping the backcountry and beyond. It allows users to research, plan, share, and take maps on mobile devices, offering real-time data, custom layers, and printing capabilities. The platform supports collaborative map building, track recording, and access to various geospatial data for enhanced outdoor navigation and safety.

The Indiana Spatial Data Portal (ISDP) offers public access to a wide range of Indiana geospatial data, supported by Indiana University's high-performance infrastructure. It archives and provides web access to imagery from state and local government initiatives, including statewide orthophotos and lidar imagery managed by the Indiana Geographic Information Office. All datasets are available for download without use restrictions.

The Global 30m Height Above Nearest Drainage (HAND) dataset offers near-worldwide land coverage at 30-meter resolution. It is a terrain model that normalizes topography to relative heights along drainage networks, indicating local drainage potentials. Produced from the Copernicus GLO-30 Public DEM, each pixel value represents the vertical distance to the nearest drainage.

The ETOPO Global Relief Model offers integrated global terrain data, combining land elevation and ocean depth into a single dataset. It is a foundational resource for various earth science applications, research, and mapping projects.

The Icelandic Institute of Natural History (Náttúrufræðistofnun Íslands) offers a comprehensive data download portal. It contains extensive collections covering various aspects of Iceland's natural environment, such as geographical names, land surveying, vegetation communities, ecosystems, bedrock and superficial deposits, species distribution, fossils, and minerals.

ArcticDEM is an NGA-NSF initiative providing high-resolution Digital Surface Models (DSM) of the Arctic. It leverages optical stereo imagery from Maxar satellites and open-source photogrammetry software to produce elevation data. This dataset supports accurate measurement of topographic change and environmental monitoring in remote polar regions.

This data portal provides geospatial information for the Commonwealth of the Northern Mariana Islands (CNMI). Users can view screenshots, examine metadata, and download various GIS datasets related to physical geography, including islands, shorelines, elevation, and bathymetry. Some datasets also offer interactive mapping interfaces for exploration.

Flash Point Classifier is a powerful and user-friendly software tool designed for rapid classification of airborne lidar point clouds. It transforms raw lidar data into actionable insights, offering custom classification options and the ability to manage data locally without cloud uploads. The software is cross-platform, available for Windows and macOS, and enhances productivity through streamlined workflows and parallel processing.

EarthDEM offers 2m GSD Digital Elevation Models (DEMs) and mosaics, created from Maxar optical imagery since 2002. This project aims to deliver high-resolution, time-series elevation data for non-polar areas, enabling change detection and comparative topographic analysis. A portion of this global dataset is publicly available on AWS.

WhiteboxTools is an advanced geospatial data analysis platform designed for environmental applications, offering a comprehensive suite of tools for processing and analyzing various types of geospatial data. It serves as a powerful resource for researchers, students, and professionals in the field of geospatial science.