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51. Digisonde Drift Analysis Software [ULCAR_DDAS]
The Digisonde Drift Analysis developed at the University of Massachusetts Lowell Center for Atmospheric Research. The UMLCAR Digisonde Drift Analysis set of programs are designed to deal with the ...


52. Digisonde Drift Data Visualization Engine [ULCAR_UML_Drift_X]
The Digisonde Drift Analysis was developed at the University of Massachusetts Lowell Center for Atmospheric Research. The UMLCAR Digisonde Drift Analysis set of programs are designed to deal with ...


53. GPS Velocity Viewer Web Tool [UNAVCO_GPSVelocityViewer]
The GPS Velocity Viewer Web Tool shows maps of the Earth's tectonic plates, earthquake locations, volcanoes, and crustal motions (GPS geodesy station velocities). The map tool is built with Google ...


54. Geoid Height Calculator [UNAVCO_GEIOD]
The Geoid Height Calculator calculates a geoid undulation at a point whose latitude and longitude is specified. The program is designed to use the potential coefficient model EGM96 and a set of spherical ...


55. Land Use Evolution and Impact Assessment Model [UIUC_LEAM]
The Land Use Evolution and Impact Assessment Model (LEAM) its development, and its application to several regions within the continental United States is conducted and managed by a team of faculty, ...


56. SAO Explorer [ULCAR_UML_SAO_X]
The SAO Explorer provides Ionogram data visualization including ionogram display with zoom features, ionogram surveys, and ionogram movies.


57. TEQC (Translation, Editing and Quality Checking) ? The Toolkit for GPS/GLONASS/Galileo/SBAS/Beidou/QZSS Data [UNAVCO_TEQC]
Teqc (pronouced "tek") is a simple yet powerful and unified approach to solving many pre-processing problems with GPS, GLONASS, Galileo, SBAS, Beidou-2/Compass, and QZSS data: - translation: binary ...


58. Tectonic Plate Motion Calculator from UNAVCO [UNAVCO_NNR_Plate_Motion_Calc]
The Plate Motion Calculator calculates tectonic plate motion at any location on Earth using one or more plate motion models. You can specify: - position in geographic or WGS-84 XYZ coordinates - ...


59. Ncview - A netCDF Visual Browser [UCSD_Ncview]
Ncview is a visual browser for netCDF format files. Typically you would use ncview to get a quick and easy, push-button look at your netCDF files. You can view simple movies of the data, view along ...


60. PyNGL - A Python Interface for Scientific Visualization and Data Analysis [UCAR_PyNGL]
PyNGL, a python package for scientific visualization and data analysis and PyNIO, a Python package supporting access to a variety of data formats using an interface modelled on netCDF.


61. TerraFly [TerraFly]
TerraFly is a Web-enabled system designed to aid in the visualization of spatial and remote sensed imagery. This system allows one to "fly" over the Earth's surface and explore spatial data such as ...


62. Timesearcher: Visual Exploration of Time-Series Data [timesearcher]
Widespread interest in discovering features and trends in time- series has generated a need for tools that support interactive exploration. We have built a prototype environment for interactive querying ...


63. User-Friendly Desktop GIS [uDIG]
User-friendly Desktop Internet GIS (uDig) is an open source spatial data viewer/editor, with special emphasis on the OpenGIS standards for internet GIS, the Web Map Server and Web Feature ...


64. Visualization and Analysis Platform for Ocean, Atmosphere, and Solar Researchers (VAPOR) [UCAR_VAPOR]
VAPOR is the Visualization and Analysis Platform for Ocean, Atmosphere, and Solar Researchers. VAPOR provides an interactive 3D visualization environment that can also produce animations and still ...


65. Environmental Policy Integrated Climate (EPIC) Model [TAMU_EPIC]
The Environmental Policy Integrated Climate (EPIC) model is a cropping systems model that was developed to estimate soil productivity as affected by erosion as part of the Soil and Water Resources ...


66. SPRING (Georeferenced Information Processing System) [SPRING]
SPRING is a state-of-the-art GIS and remote sensing image processing system with an object-oriented data model which provides for the integration of raster and vector data representations in a single ...


67. SWAT Check - Software To Identify Potential Model Input Parameters Issues [SWAT_Check]   PARENT METADATA
The SWAT Check program reads model output from a SWAT project and performs many simple checks to identify POTENTAL model problems. The intended purpose of this program is to identify model problems ...


68. SWRC Fit - Scientific Statistical Tool for Hydrologist [swrcfit]
The soil hydraulic parameters for analyzing water movement in variably saturated soil can be determined by fittig soil hydraulic model to a soil water retention curve. SWRC Fit performs nonlinear ...


69. Soil and Water Assessment Tool [SWAT]   CHILD METADATA
The Soil and Water Assessment Tool (SWAT) predicts the effect of management decisions on water, sediment, nutrient and pesticide yields with reasonable accuracy on large, ungaged river basins.


70. Tectonic Planet [tectonicplanet]
Tectonic Planet is a planet-wide terrain generator, using simulated tectonic movements rather than fractals. Intended to produce richer information than just a heightmap - geology layers, climate, ...


71. Solar Model [solarmodel]
The Solar Model is real time modeling of solar system. It allows user to navigate in space, to control time counting (speed-up time flow) and estimate movement of space bodies, bind camera to space ...


72. smartEditor [smartEditor]
smartEditor is a web based editor to easily create and update ISO19115/19119 metadata documents on geospatial data sets, services, series and applications and many more resources. This tool provides ...


73. SERVIR-Viz 3-D Visualization Tool [SERVIR_VIZ3D]   PARENT METADATA
SERVIR-Viz is a customized version of NASA's free, open-source, web-enabled, 3D earth exploration tool known as WorldWind. As with other mapping browsers such as Google Earth, SERVIR-Viz allows users ...


74. SImulation COde for POLythermal Ice Sheets [SICOPOLIS]
SICOPOLIS (SImulation COde for POLythermal Ice Sheets) is a 3-d dynamic/thermodynamic model that simulates the evolution of large ice sheets and ice caps. It was originally created by Greve (1997a,b) ...


75. Shapefile Coordinate Transformation Utility [SHPTRANS]
The Shapefile Coordinate Transformation Utility (SHPTRANS) is a fast, high-precision GIS projection utility which reads and writes shapefiles and supports Canadian NTv2 datum transformation along ...


76. Simple Map Client [SimpleMapClient]
Simple Map Client is a Java application which allows for browsing of Open Geospatial Consortium's (OGC) Web Mapping Service (WMS) servers.


77. Slope, Land cover, Exclusion, Urbanization, Transportation, and Hillshade (SLEUTH) [SLEUTH]
Slope, Land cover, Exclusion, Urbanization, Transportation, and Hillshade (SLEUTH) is a tightly coupled, modified cellular automaton model of urban and other land class change. Its main component ...


78. Stanford Geostatistical Earth Modeling Software (S-GEMS) [SGEMS]
The Stanford Geostatistical Modeling Software (SGeMS) is an open-source computer package for solving problems involving spatially related variables. It provides geostatistics practitioners with a ...


79. Revised Universal Soil Loss Equation [RUSLE]
Research on soil erosion and its effect on agricultural productivity started in 1930s. During 1940 and 1956, research scientists began to develop a quantitative procedure for estimating soil loss ...


80. SCIRun - Problem Solving Environment (PSE) for Modeling, Simulation and Visualization of Scientific Problems [SCIRun]
SCIRun is a Problem Solving Environment (PSE), for modeling, simulation and visualization of scientific problems. SCIRun now includes the biomedical components formally released as BioPSE, as well ...


81. SCREEN3 - Industrial Source Complex Model [SCREEN3_Model]
SCREEN3 is a single source Gaussian plume model which provides maximum ground-level concentrations for point, area, flare, and volume sources, as well as concentrations in the cavity zone, and concentrations ...


82. ConceptVISTA: An Ontology Creation and Visualization Tool [PSU_GEOG_CONCEPT_VISTA]
ConceptVISTA, an ontology creation and visualization tool developed by researchers at the GeoVISTA Center, allows users to define and link concepts and resources pertaining to a conceptual domain. ...


83. Forages Decision Support Tool [psu_forages]
The forage industry is the major agricultural enterprise in Pennsylvania and in the northeastern United States. Nearly 60% ($1.9 billion) of the total cash receipts from the sale of agricultural products ...


84. GeoVista Studio [PSU_GEOG_GEOVISTA]
GeoVISTA Studio is an open software development environment designed for geospatial data. Studio is a programming-free environment that allows users to quickly build applications for geocomputation ...


85. GeoViz Toolkit [PSU_GEOG_GeoViz_Toolkit]
The GeoViz Toolkit was developed from work conducted at the GeoVISTA Center at The Pennsylvania State University. To find out more about this program go to GeoVISTA Studio. These tools were developed ...


86. Python implementation of the Data Access Protocol (pyDAP) [pyDAP]
Pydap is a pure Python library implementing the Data Access Protocol, also known as DODS or OPeNDAP. You can use Pydap as a client to access hundreds of scientific datasets in a transparent and efficient ...


87. Quantum GIS [QGIS]
Quantum GIS (QGIS) is a user friendly Open Source Geographic Information System (GIS) licensed under the GNU General Public License. QGIS is an official project of the Open Source Geospatial Foundation ...


88. The Exploratory Spatio-Temporal Analysis Toolkit (ESTAT) [PSU_GEOG_ESTAT]
The Exploratory Spatio-Temporal Analysis Toolkit (ESTAT), which has been developed by the GeoVISTA Center is a toolkit that provides user-friendly, open-source software designed to support exploratory ...


89. Water Erosion Prediction Project (WEPP) Model [PURDUE_GRASS_WEPP]
The Water Erosion Prediction Project (WEPP) model is a process-based, distributed parameter, continuous simulation, erosion prediction model for use on personal computers running Windows ...


90. Web Based Hydrograph Analysis Tool (WHAT) [PURDUE_WHAT]
The Purdue University Web-Based Hydrography Analysis Tool (WHAT) allows users to view USGS stream flow data in a GIS setting. Users can also upload their own stream flow data to be visualized in this ...


91. PRUNE: An application for viewing, editing and converting coordinate data from GPS systems [PRUNE]
Prune is an application for viewing, editing and converting coordinate data from GPS systems. Basically it's a tool to let you play with your GPS data after you get home from your trip. It can load ...


92. PSPP - Program for Statistical Analysis of Sampled Data [PSPP]
Program for Statistical Analysis of Sampled Data (PSPP) is a program for statistical analysis of sampled data. It is particularly suited to the analysis and manipulation of very large data sets. In ...


93. PostGIS: Geographic Objects for PostgreSQL [POSTGIS]
PostGIS adds support for geographic objects to the PostgreSQL object-relational database. In effect, PostGIS "spatially enables" the PostgreSQL server, allowing it to be used as a backend spatial ...


94. GIS interface to Penn State Integrated Hydrologic Model [PIHMgis]
Physically-based fully-distributed hydrologic models try to simulate hydrologic state variables in space and time while using information regarding heterogeneity in climate, land use, topography and ...


95. PCRaster = A dynamic modeling free software for distributed simulation models in ecology, hydrology, and geography. [PC_Raster]
PCRaster is a dynamic Modeling system for distributed simulation models. The main applications of PCRaster are found in environmental Modeling: geography, hydrology, ecology to name a few. Examples ...


96. PLATO - Preservation Planning Tool [Plato]
The planning tool Plato is a decision support tool that implements a solid preservation planning process and integrates services for content characterisation, preservation action and automatic object ...


97. Penn State Integrated Hydrologic Model [PIHM]
The Penn State Integrated Hydrologic Model (PIHM) is a fully coupled multiprocess hydrologic model. Instead of coupling through artificial boundary conditions, major hydrological processes are fully ...


98. OneMercury - A DataONE Search Tool for Scientific Data [onemercury]
The OneMercury search tool allows users to search environmental science and Earth observational data sets through a distributed framework. The search tool is based on Mercury, a Web-based system to ...


99. Open Geographic Datastore Interface [OGDI]
Open Geographic Datastore Interface (OGDI) is an application programming interface (API) that uses a standardized access methods to work in conjunction with GIS software packages (the application) ...


100. Open Layers GIS [OpenLayers]
OpenLayers makes it easy to put a dynamic map in any web page. It can display map tiles, vector data and markers loaded from any source. OpenLayers has been developed to further the use of geographic ...


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