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51. DFLOW: A Tool for Low Flow Analysis [EPA_dflow]
DFLOW is a Windows-based tool developed to estimate user selected design stream flows for low flow analysis and water quality standards. This latest version can be readily used by regulators in state ...


52. MINTEQA2 - An Equilibrium Speciation Model [EPA_MINTEQA2]
MINTEQA2 is a equilibrium speciation model that can be used to calculate the equilibrium composition of dilute aqueous solutions in the laboratory or in natural aqueous systems. The model is useful ...


53. Statistical Software ProUCL 4.1.00 for Environmental Applications for Data Sets with and without Nondetect Observations [EPA_ProUCL]
ProUCL version 5.1.002 (5.1) is the latest update of the ProUCL statistical software package for analysis of environmental data sets with and without nondetect (ND) observations. ProUCL version 5.1 ...


54. Acute-to-Chronic Estimation (ACE) Model [EPA_ACE]
The Acute-to-Chronic Estimation (ACE) with Time-Concentration-Effect Models software allows prediction of chronic toxicity from acute toxicity datasets. ACE uses linear regression and accelerated ...


55. Air Compliance Advisor (ACA) Air Pollution Control Technology Evaluation Model [EPA_ACA]
The Air Compliance Advisor (ACA) is a software tool designed to assist on-site air pollution managers in developing strategies for addressing air pollution compliance issues. The ACA utilizes source ...


56. Marine Geospatial Ecology Tools: An integrated framework for ecological geoprocessing with ArcGIS, Python, R, MATLAB, and C++. Environmental Modeling and Software [DUKE_MGET]
Marine Geospatial Ecology Tools (MGET) is a free, open-source geoprocessing toolbox that can help you solve a wide variety of marine research, conservation, and spatial planning problems. MGET plugs ...


57. The Exploratory Data Analysis and Management Project's Environmental Chemistry Data Processing and Mining Application [EDAM_ENCHILADA]
The Exploratory Data Analysis and Management Project's Environmental Chemistry Data Processing and Mining Application allows users to view and analyze environmental chemistry data from the Exploratory ...


58. Forest Carbon Calculator [carbonApp]
The Forest Carbon Calculator uses predictive relationships between tree biomass, tree diameter and wood density to determine the amount of above ground Carbon in a forest. The application currently ...


59. MeshMaker: Configurable Meshing Framework for Eco-Hydrology Models [MeshMaker]
MeshMaker is a Python-based framework for generation of high quality structured and unstructured grid computational meshes for Eco-Hydrological models.


60. NASA Earth Exchange (NEX) [NASA_NEX]
The NASA Earth Exchange (NEX) represents a platform for the Earth science community that provides a mechanism for scientific collaboration and knowledge sharing. NEX combines state-of-the-art supercomputing, ...


61. Baseflow Filter Program [BFP]   PARENT METADATA
The baseflow filter estimates baseflow and groundwater recharge from streamflow records using the methodology outlined in Automated methods for estimating baseflow and groundwater recharge from streamflow ...


62. Bayesian Algorithm for Reconstructing Climate Anomalies in Space and Time [BARCAST]
Reconstructing the spatial pattern of a climate field through time from a data set of overlapping instrumental and climate proxy time series is a non-trivial statistical problem. The need to transform ...


63. SeaWinds 3D Slice Response Software [BYU_slice_response]
Imaging applications of SeaWinds on QuikSCAT and ADEOS II are facilitated by applying reconstruction and resolution enhancement algorithms to produce high resolution images of the surface normalized ...


64. Beach Profile Analysis Toolbox [BPAT]
NIWA’s Beach Profile Analysis Toolbox (BPAT) has been developed to provide an easy to use, integrated package for the input, quality checking, analysis and archiving of beach and other profile ...


65. ArcView Soil and Water Assessment Tool (SWAT) [AVSWAT]   PARENT METADATA
AVSWAT (ArcView SWAT) is a complete preprocessor, interface and post processor of the hydrological model SWAT. Without leaving the user friendly ArcView GIS environment the user is provided of a complete ...


66. ArcRstats - Software That Produces Multivariate Habitat Prediction Rasters [ArcRstats]
ArcRstats - produces multivariate habitat prediction rasters using ArcGIS and the open-source R statistical package for implementing classification and regression (CART), generalized linear models ...


67. SPAtially Referenced Regressions On Watershed Attributes (SPARROW) Modeling of Surface-Water Quality [01-usgs_sparrow-01]
The SPARROW method uses spatially referenced regressions of contaminant transport on watershed attributes to support regional water-quality assessment goals, including descriptions of spatial and ...


68. Software for Data Reduction in Argon Geochronology [02-EarthRef-PACER-ArArCALC-01]   PARENT METADATA
(Summary adapted from ArArCALC web page) The program ArArCALC provides an interactive interface to data reduction in 40Ar/39Ar geochronology. ArArCALC is coded within Visual Basic for Excel 97-2000 ...


69. STATIC1D - Program for Solving the Equations of Static Equilibrium in a Spherically Layered Isotropic Medium [USGS_STATIC1D]
These programs solve the equations of static equilibrium in a spherically layered isotropic medium using a decomposition into spheroidal and toroidal motions. For each spherical harmonic degree l ...


70. Slick Package - Stress Inversion from Slip Data [USGS_SLICK_PACKAGE]
The slick package uses fault slip data (either field observations or from focal mechanism) to find the stress tensor that best explains the observations. Inputs are the orientation and slip direction ...


71. TracerLPM - An Excel Workbook for Interpreting Groundwater Age Distributions from Environmental Tracer Data [USGS_TracerLPM]
TracerLPM is an interactive Excel (2007 or later) workbook program used to evaluate groundwater age distributions from environmental tracer data by using lumped parameter models (LPMs). User-defined ...


72. Utility PIEs - Programs for Simplifying the Analysis of Geographic Information in U.S. Geological Survey Groundwater Models [USGS_Utility]
The Utility PIEs programs were developed at the U.S. Geological Survey (USGS) to enhance existing USGS graphical user-interfaces for ground-water modeling programs. The programs are in the form of ...


73. VISCO1D - A Program Package to Calculate Quasi-Static Deformation on a Layered Spherical Earth [USGS_VISCO1D]
VISCO1D-v3 is a program package to calculate quasi-static deformation on a layered spherical Earth from a specified input source (fault plane parameters) at specified points on the surface or at depth. ...


74. 1DTempPro - A program for analysis of vertical one-dimensional (1D) temperature profiles [USGS_1DTempPro]
1DTempPro is a computer program for the analysis of one-dimensional vertical temperature profiles. The program is a graphical user interface (GUI) to the previously published USGS code VS2DH, which ...


75. Blossom Statistical Software [USGS_BLOSSOM]
Blossom is an interactive program for making statistical comparisons with distance-function based permutation tests and for testing parameters estimated in linear models with permutation procedures. ...


76. DOBSERV - A Double-observer Approach for Estimating Detection Probability and Abundance from Avian Point Counts [USGS_DOBSERV]
Although point counts are frequently used in ornithological studies, basic assumptions about consistency in detection probabilities often remain untested. We apply a double-observer approach developed ...


77. Earthquake Strains and Rotations Software [USGS_strainz17]
Strainz17.m is a MATLAB-language function for deriving the best-fitting uniform strain tensor and rigid body rotation as functions of time, based on ground displacement or velocity recordings made ...


78. LOLASURVIV - Unknown-Sex SURVIVal Analysis [USGS_LOLASURVIV]
Program LOLASURVIV (Unknown-sex SURVIVal analysis) computes "open-model" parameter estimates of survival and capture probabilities. Actually, LOLASURVIV is a specially modified version of SURVIV ...


79. MODOPTIM: A General Optimization Program for Ground-Water Flow Model Calibration and Ground-Water Management with MODFLOW [USGS_MODOPTIM]
MODOPTIM is a non-linear ground-water model calibration and management tool that simulates flow with MODFLOW-96 as a subroutine. A weighted sum-of-squares objective function defines optimal solutions ...


80. ModelMate - A Graphical User Interface (GUI) for Model Analysis [USGS_ModelMate]
ModelMate is a graphical user interface designed to facilitate use of model-analysis programs with models. This initial version of ModelMate supports one model-analysis program, UCODE_2005, and one ...


81. RECESS: A computer program for analysis of streamflow recession [USGS_RECESS]
The RECESS program, a computer program for analysis of streamflow recession, is used to determine the recession index and to define the master recession curve from analysis of streamflow records. ...


82. VS2DI - A graphical software package for simulating fluid flow and solute or energy transport in variably saturated porous media [USGS_VS2DI]
The VS2DI package contains all the tools that a user needs to create, run, and view results for a simulation of flow and transport through variably saturated porous media. The package seamlessly integrates ...


83. ZONECONC - A Postprocessing Program that Tabulates Concentration Statistics from Concentration Data Generated by MODFLOW-GWT [USGS_ZONECONC]   PARENT METADATA
The computer program, called ZONECONC, tabulates concentration data using the results from the U.S. Geological Survey Modular Three-Dimensional Ground-Water Flow and Solute-Transport Model (MODFLOW-GWT). ...


84. A computerized method of base-flow-record estimation [USGS_PART]
The computer program PART: A computerized method of base-flow-record estimation uses stream flow partitioning to estimate a daily record of ground-water discharge under the stream flow record. The ...


85. Alkalinity Calculator [USGS_ALK]
The Alkalinity Calculator will analyze the titration curve and calculate the alkalinity or acid neutralizing capacity (ANC) of the sample using one or more of several different methods. Alkalinity ...


86. CRT - Cascade Routing Tool to Define and Visualize Flow Paths for Grid-Based Watershed Models [USGS_CRT]
The U.S. Geological Survey Cascade Routing Tool (CRT) is a computer application for watershed models that include the coupled Groundwater and Surface-water FLOW model GSFLOW and the Precipitation-Runoff ...


87. Graphical Constituent Loading Analysis System (GCLAS) [USGS_GCLAS]
The Graphical Constituent Loading Analysis System is a program designed primarily to compute daily and annual loadings of constituents transported in streamflow. Use of GCLAS is appopriate when concentration ...


88. Load Estimator (LOADEST): A Program for Estimating Constituent Loads in Streams and Rivers [USGS_LOADEST]
LOAD ESTimator (LOADEST) is a FORTRAN program for estimating constituent loads in streams and rivers. Given a time series of streamflow, additional data variables, and constituent concentration, LOADEST ...


89. National Streamflow Statistics Program [USGS_NSS]
Estimates of streamflow statistics are used for a variety of water-resources and emergency planning, management, and regulatory purposes, and for design of structures such as bridges and culverts. ...


90. SEVIRI Image Processing and Visualization Software (MSGView) [EUMETSAT_MSGView]
MSGView software displays HDF5 formatted HRIT and LRIT MSG SEVIRI data. The software has been developed by Ayd?n Gürol ERTÜRK from Turkish State Meteorological Service to support operational meteorology, ...


91. Accurate MERIS Ortho-Rectified Geo-location Operational Software (AMORGOS) [ESA_AMORGOS]
The purpose of the AMORGOS (Accurate MERIS Ortho-Rectified Geo-location Operational Software) tool is to generate accurate geo-location GOS E information - longitude, latitude, altitude - for each ...


92. Panoply netCDF, HDF and GRIB Data Viewer [NASA_GISS_Panoply]
Panoply plots geo-referenced and other arrays from netCDF, HDF, GRIB, and other datasets. With Panoply 4 you can: - Slice and plot geo-referenced latitude-longitude, latitude-vertical, longitude-vertical, ...


93. Ozone Monitoring Instrument (OMI) Level 2 G Reader [NASA_ozoneaq_l2g_reader]
The L2g reader is a piece of IDL software designed to read the level 2g files which are produced for a number of Ozone Monitoring Instrument products. The L2g data file is an amalgamation of a days ...


94. CALIBRAT Geodetic Software [NOAA_NGS_CALIBRAT]
The CALIBRAT program is used to determine the scale and constant corrections for electronic distance measuring instruments by making measurements over previously determined base lines. The formulas ...


95. Economics National Ocean Watch (ENOW) Explorer [NOAA_ENOW]
The Economics National Ocean Watch (ENOW) Explorer tool streamlines the task of obtaining and comparing economic data, both county and national, for the six sectors dependent on the ocean and Great ...


96. Carbon Tracker [NOAA_CARBONTRACKER]
CarbonTracker is a system that calculates carbon dioxide uptake and release at the Earth's surface over time. It estimates the carbon dioxide exchange from an 'atmospheric point of view'. Since CO2 ...


97. Airborne LIDAR Data Processing and Analysis Tools [NOAA_aldpat]
This tool provides transparent and automatic filtering algorithms to classify ground and non-ground lidar measurements. It also provides auxiliary tools to assist with lidar data analysis. The algorithms ...


98. nccmp - Software to Compare Two NetCDF Files [nccmp]
nccmp compares two NetCDF files bitwise, semantically or with a user defined tolerance (absolute or relative percentage). Parallel comparisons are done in local memory without requiring temporary ...


99. A Simple Parser for the PARASOL Format [icare_parasolascii]
PARASOLASCII displays the data from the PARASOL binary files in plain text. You specify the data you want to be displayed, in the order you wish, and they will be extracted into columns (separated ...


100. International ATOVS Processing Package [IAPP]
The International ATOVS Processing Package (IAPP) has been developed to retrieve atmospheric temperature and moisture profiles, total ozone and other parameters in both clear and cloudy atmospheres ...


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