294 Titles Match Your Query 
Showing 1 through 50 of 294

1.
The U.S. Antarctic Resource Center [The_U.S._Antarctic_Resource_Center]
The U.S. Antarctic Resource Center (USARC) at the U.S. Geological Survey
(USGS), Reston,Va., maintains the Nation's most comprehensive collection of
Antarctic maps, charts, ...

2.
National Streamflow Statistics Program [USGS_NSS]
Estimates of streamflow statistics are used for a variety of waterresources and emergency planning, management, and regulatory purposes, and for design of structures such as bridges and culverts. ...

3.
USGS Earthquake Hazards ProgramFor Kids Only [Earthquakes4Kids]
USGS Earthquake Hazards Program  For Kids Only offers an array of activities to information for children about earthquakes.

4.
Revision and Product Generation Software [USGS_REVPG]
RevPG (Revision and Product Generation) is a collection of ARC/INFO Arc Macro Language (AML) programs, C routines, shell scripts, and interface menus. This software was developed by the U.S. Geological ...

5.
Hazards Data Distribution System [USGS_HDDS]
After a major disaster, a satellite image or a collection of aerial photography is frequently the fastest, most effective way to determine the scope and severity of the event. With that goal, the ...

6.
CRT  Cascade Routing Tool to Define and Visualize Flow Paths for GridBased 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 Surfacewater FLOW model GSFLOW and the PrecipitationRunoff ...

7.
DLGv32 Pro: Spatial Data Viewing Software from US Geological Survey [DLGv32_Pro]
DLGv32 Pro is a MS Windowsbased viewing software package for spatial
(geographic) data.
It is a &limited feature& version of Global Mapper
(&http://www.globalmapper.com/&). DLGv32 Pro supports ...

8.
Light Detection and Ranging (LIDAR) Viewer [USGS_LIDAR_VIEWER]
There has been increasing demand for research utilizing all information generated from lidar remote sensing data and not just bare earth digital elevation models (DEMs). While this technology has ...

9.
A computerized method of baseflowrecord estimation [USGS_PART]
The computer program PART: A computerized method of baseflowrecord estimation uses stream flow partitioning to estimate a daily record of groundwater discharge under the stream flow record. The ...

10.
A twoconstituent solute transport model for ground water having variable density [USGS_MOCDENSE]
The twoconstituent solute transport model for ground water having variable density model simulates solute transport in flowing ground water. It is applicable to twodimensional, crosssectional ...

11.
ANNIE: Interactive Hydrologic Analyses and Data Management [USGS_ANNIE]
ANNIE is a program designed to help users interactively
store, retrieve, list, plot, check, and update spatial,
parametric, and timeseries data for hydrologic models and
analyses. Data are stored ...

12.
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 ...

13.
An Interactive Code For Modeling Net Geochemical Reactions Along a Flow Path [USGS_NETPATH]
NETPATH is an interactive Fortran 77 computer program used to interpret net geochemical massbalance reactions between an initial and final water along a hydrologic flow path. Alternatively, NETPATH ...

14.
An Online Interactive Map Service for Displaying Ground Water Conditions in Arizona [USGS_azgwconditions]
Monitoring the availability of the nation's groundwater supplies is of critical importance to planners and water managers. The general public also has an interest in understanding the status of groundwater ...

15.
BIOMOC  A Multispecies SoluteTransport Model with Biodegradation [USGS_BIOMOC]
BIOMOC is a twodimensional model that can simulate the transport
and biotransformation of multiple reacting solutes. The program is
general and flexible, allowing for any combination ...

16.
Chemical Modeling of Acid Waters [USGS_WATEQ4F]
WATEQ4F is a chemical speciation code for natural waters. It uses field measurements of temperature, pH, Eh, dissolved oxygen and alkalinity, and the chemical analysis of a water sample as input and ...

17.
Conduit Flow Process for MODFLOW2005 [USGS_CFP]
The conduit flow process for MODFLOW2005 (CFP) has the ability to simulate turbulent or laminar groundwater flow conditions by: (1) coupling the traditional groundwater flow equation with formulations ...

18.
Coupled Groundwater and Surfacewater FLOW model [USGS_GSFLOW]
GSFLOW is a coupled Groundwater and Surfacewater FLOW model based on the integration of the U.S. Geological Survey PrecipitationRunoff Modeling System (PRMS, Leavesley and others, 1983) and the ...

19.
Downsizer—A Graphical User InterfaceBased Application for Browsing, Acquiring, and Formatting TimeSeries Data for Hydrologic Modeling [USGS_Downsizer]
The U.S. Geological Survey Downsizer is a computer application that selects, downloads, verifies, and formats stationbased timeseries data for environmentalresource models, particularly the PrecipitationRunoff ...

20.
Flood Frequency Analysis Based on Bulletin 17B [USGS_PeakFQ]
Program PeakFQ provides estimates of instantaneous annualmaximum peak flows for a range of recurrence intervals, including 1.5, 2, 2.33, 5, 10, 25, 50, 100, 200, and 500 years (annualExceedance ...

21.
FourPt  An Unsteady, OneDimensional, OpenChannel Flow Model [USGS_FourPt]
FOURPT is a numerical model for simulating unsteady, onedimensional flow in networks of open channels. Options particularly useful in training or prototyping include selection of governing equations ...

22.
Full EQuations Model [USGS_FEQ]
The Full EQuations Model is a computer model for simulation of onedimensional unsteady flow in open channels and through control structures. The structure of the program is designed to follow the ...

23.
Graphical Constituent Loading Analysis System (GCLAS) [USGS_GCLAS]
The Graphical Constituent Loading Analysis System aids in the computation of daily constituent loads transported in streamflow. Due to the relative paucity with which most waterquality data are ...

24.
HUFPrint: A tabulation and visualization utility for the HydrogeologicUnit Flow (HUF) Package of MODFLOW [USGS_HUFPrint]
HUFPrint is a computer program that extracts and displays information about model structure and hydraulic properties from the input data for a model built using the HydrogeologicUnit Flow (HUF) Package ...

25.
Input and Output for a Watershed Data Management (WDM) file [USGS_IOWDM]
IOWDM is designed to reformat data to and from a WDM file. Data in selected WATSTORE cardimage formats and flat file formats can be added to a WDM file. A WDM file is a binary, directaccess file ...

26.
KTRLine: KendallTheil Robust Line [USGS_KTRLine]
The KendallTheil Robust Line software (KTRLine—version 1.0) is a Visual Basic program that may be used with the Microsoft Windows operating system to calculate parameters for robust, nonparametric ...

27.
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 ...

28.
Luca  Let Us Calibrate [USGS_LUCA]
Luca (Let us calibrate) is a multipleobjective, stepwise, automated procedure for hydrologic model calibration and the associated graphical user interface (GUI). Luca is a wizardstyle userfriendly ...

29.
MEASERR  A Program for Determination of Error in Individual Discharge Measurements [USGS_MEASERR]
The uncertainty, or standard error, for individual measurements of
stream discharge is computed based on a rootmeansquare error
analysis of the individual component errors. The component ...

30.
MFI2005  Data Input (Entry) Program [USGS_MFI2005]
MFI2005 is a data input (entry) program for the U.S. Geological Survey modular threedimensional finitedifference groundwater model called MODFLOW2005. Data for MODPATH, a particle tracking program ...

31.
MODFLOWCDSS, a Version of MODFLOW2005 with Modifications for Colorado Decision Support Systems [USGS_MODFLOWCDSS]
PARENT SERF
MODFLOWCDSS is a threedimensional, finitedifference groundwaterflow model based on MODFLOW2005, with two modifications. The first modification is the introduction of a Partition Stress Boundaries ...

32.
MODFLOWUSG: An Unstructured Grid Version of MODFLOW for Simulating Groundwater Flow and Tightly Coupled Processes Using a Control Volume FiniteDifference Formulation [USGS_mfusg]
PARENT SERF
A new version of MODFLOW, called MODFLOWUSG (for UnStructured Grid), was developed to support a wide variety of structured and unstructured grid types, including nested grids and grids based on prismatic ...

33.
MODOPTIM: A General Optimization Program for GroundWater Flow Model Calibration and GroundWater Management with MODFLOW [USGS_MODOPTIM]
MODOPTIM is a nonlinear groundwater model calibration and management tool that simulates flow with MODFLOW96 as a subroutine. A weighted sumofsquares objective function defines optimal solutions ...

34.
ModelMate  A Graphical User Interface (GUI) for Model Analysis [USGS_ModelMate]
ModelMate is a graphical user interface designed to facilitate use of modelanalysis programs with models. This initial version of ModelMate supports one modelanalysis program, UCODE_2005, and one ...

35.
ModelMuse  A Graphical User Interface for MODFLOW2005, PHAST, MODPATH, and ZONEBUDGET [USGS_ModelMuse]
ModelMuse is a graphical user interface (GUI) for the U.S. Geological Survey (USGS) models MODFLOW–2005 and PHAST. This software package provides a GUI for creating the flow and transport input file ...

36.
Modular FiniteElement Model for Areal and Axisymmetric GroundWater Flow Problems [USGS_MODFE]
This MODular, FiniteElement digitalcomputer program (MODFE) was
developed to provide solutions to groundwaterflow problems based
on the governing equations that describe twodimensional ...

37.
OneDimensional Transport with Equilibrium Chemistry (OTEQ): A Reactive Transport Model for Streams and Rivers [USGS_OTEQ]
The OneDimensional Transport with Equilibrium Chemistry (OTEQ) model is a mathematical simulation model used to characterize the fate and transport of waterborne solutes in streams and rivers. The ...

38.
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. ...

39.
STRMDEPL, A OneDimensional Model Using Two Analytical Solutions to Calculate Streamflow Depletion by a Nearby Pumping Well [USGS_STRMDEPL08]
STRMDEPL, a onedimensional model using two analytical solutions to calculate streamflow depletion by a nearby pumping well, was extended to account for two additional analytical solutions. The extended ...

40.
ThreeDimentional finitedifference groundwater model (MODFLOW)—2000 version—with variably saturated flow [USGS_MF2KVSF]
The Variably Saturated Flow (VSF) Process enables MODFLOW (MF2K v15) to simulate three dimensional variably saturated flow in porous media. The VSF Process includes five packages unique to unsaturated ...

41.
Twodimensional methodofcharacteristics groundwater flow and transport model [USGS_MOC]
The Twodimensional methodofcharacteristics groundwater flow and transport model model simulates solute transport in flowing ground water. It is applicable to one or twodimensional problems ...

42.
USGS Water Services [USGS_waterservices]
The USGS Water Services site serves USGS water data via automated means using web services and extensible markup language (XML) as well as other popular media types. Services can be invoked with the ...

43.
VS2DI  A graphical software package for simulating fluid flow and solute or energy transport in variably saturated porous media [USGS_VS2DI]
VS2DI is a graphical software package for simulating flow and
transport in variably saturated porous media. This software package
consists of three components:
 VS2DTI, for ...

44.
WTAQ: Computer program for calculating drawdowns and estimating hydraulic properties for confined and watertable aquifers [USGS_WTAQ]
The computer program WTAQ calculates hydraulichead drawdowns in a
confined or watertable aquifer that result from pumping at a well
of finite or infinitesimal diameter. The program is ...

45.
WeightedMultipleLinear Regression Program [USGS_WREG]
The WeightedMultipleLinear Regression Program (WREG) program can be used to develop a regional estimation equation for streamflow characteristics that can be applied at an ungaged basin, or to improve ...

46.
ZONECONC  A Postprocessing Program that Tabulates Concentration Statistics from Concentration Data Generated by MODFLOWGWT [USGS_ZONECONC]
PARENT SERF
The computer program, called ZONECONC, tabulates concentration data using the results from the U.S. Geological Survey Modular ThreeDimensional GroundWater Flow and SoluteTransport Model (MODFLOWGWT). ...

47.
waterData—An R Package for Retrieval, Analysis, and Anomaly Calculation of Daily Hydrologic Time Series Data [USGS_waterData]
Hydrologic time series data and associated anomalies (multiple components of the original time series representing variability at longerterm and shorterterm time scales) are useful for modeling ...

48.
Adopt A Pixel [Adopt_A_Pixel_Service]
Adopt a Pixel is a groundreference data acquisition system engaging citizen scientists to serve operational and research needs of the Landsat science community. CDI funding will support the establishment ...

49.
Metadata Wizard [Metadata_Wizard]
The Metadata Wizard tool is designed as a resource to help geospatial data users with the creation and editing of metadata compliant with the Federal Geographic Data Committee's 'Content Standard ...

50.
DS – Software for Analyzing Data Collected Using Double Sampling [USGS_DS]
DS analyzes count data to estimate density or relative density and population size when appropriate. The software is available at . The software ...

Showing 1 through 50 of 294
