NASA Home Page Goddard Space Flight Center Home Page
NASA Logo - Goddard Space Flight Center   + Visit NASA.gov
a directory of Earth science data and services Global Change Master Directory Web site
header 2 bullet Links bullet FAQ bullet Contact Us bullet Site Map
Home Data Sets Data Services Learn about GCMD_legacy's portal collaborations. Add new dataset or dataservice records to GCMD_legacy What's New Participate Calendar About GCMD_legacy
 
Thumbnail Icon [Service_Provider: Short_Name='DOI/USGS/WRD/OSW']

Refine by Category
 
Refine by Full Text

 

 

42 Titles Match Your Query
Showing 1 through 42 of 42
1. 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. ...

2. 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 mass-balance reactions between an initial and final water along a hydrologic flow path. Alternatively, NETPATH ...

3. BIOMOC - A Multispecies Solute-Transport Model with Biodegradation [USGS_BIOMOC]
BIOMOC is a two-dimensional model that can simulate the transport and biotransformation of multiple reacting solutes. The program is general and flexible, allowing for any combination ...

4. 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 ...

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

6. FourPt - An Unsteady, One-Dimensional, Open-Channel Flow Model [USGS_FourPt]
FOURPT is a numerical model for simulating unsteady, one-dimensional flow in networks of open channels. Options particularly useful in training or prototyping include selection of governing equations ...

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

8. 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 water-quality data are ...

9. HUFPrint: A tabulation and visualization utility for the Hydrogeologic-Unit 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 Hydrogeologic-Unit Flow (HUF) Package ...

10. 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 card-image formats and flat file formats can be added to a WDM file. A WDM file is a binary, direct-access file ...

11. KTRLine: Kendall-Theil Robust Line [USGS_KTRLine]
The Kendall-Theil 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 ...

12. 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 ...

13. 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 root-mean-square error analysis of the individual component errors. The component ...

14. One-Dimensional Transport with Equilibrium Chemistry (OTEQ): A Reactive Transport Model for Streams and Rivers [USGS_OTEQ]
The One-Dimensional 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 ...

15. Weighted-Multiple-Linear Regression Program [USGS_WREG]
The Weighted-Multiple-Linear 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 ...

16. INFIL - A Grid-Based, Distributed-Parameter Watershed Model to Estimate Net Infiltration Below the Root Zone [USGS_INFIL]
INFIL3.0 is a grid-based, distributed-parameter, deterministic water-balance model that calculates the temporal and spatial distribution of daily net infiltration of water across the lower boundary ...

17. A Computer Program for Speciation, Batch-Reaction, One-Dimensional Transport, and Inverse Geochemical Calculations [USGS_PHREEQC]   CHILD SERFs
PHREEQC- A Computer Program for Speciation, Batch-Reaction, One-Dimensional Transport, and Inverse Geochemical Calculations is written in the C programming language that is designed to perform a wide ...

18. A computer model for Water-Surface Profile computations [USGS_WSPRO]
A computer model for Water-Surface Profile computations (WSPRO) computes water-surface profiles for subcritical, critical, or supercritical flow as long as the flow can be reasonably classified as ...

19. Branched Lagrangian Transport Model [USGS_BLTM]
The Branched Lagrangian Transport Model (BLTM) has received wide use within the U.S. Geological Survey over the past 10 years. This report documents the enhancements and modifications that have been ...

20. Bridge Scour Data Management System (BSDMS) [USGS_BSDMS]
The Bridge Scour Data Management System (BSDMS) has been developed to support preparation, compilation, and analysis of bridge-scour measurement data. Users may interactively store, retrieve, update, ...

21. Channel Geometry Analysis Program (CGAP) [USGS_CGAP]
The Channel Geometry Analysis Program (CGAP) permits the analysis, interpretation, and quantification of the physical properties of an open-channel reach as defined by a sequence of cross sections. ...

22. Computation of fluvial sediment discharge [USGS_SEDDISCH]
The Computation of fluvial sediment discharge computes fluvial sediment discharge by allowing the user to choose between five described bedload formulas and eight described bed-material formulas. ...

23. Computation of total sediment discharge by the modified Einstein procedure [USGS_MODEIN]
The Computation of total sediment discharge by the modified Einstein procedure computes total sediment discharge at a cross section of an alluvial stream having primarily a sand bed from measured ...

24. Culvert Analysis Program (CAP) [USGS_CAP]
The Culvert Analysis Program (CAP) follows USGS standardized procedures for computing flow through culverts. It can be used to develop stage-discharge relationships for culverts and to determine ...

25. Determination of Primary Productivity and Community Metabolism in Streams and Lakes using Diel Oxygen Measurements [USGS_SWPROD]
The SWPROD program calculates daytime net productivity, night respiration, and total community metabolism from a diel series of dissolved oxygen, temperature, and salinity measurements. An Odum ...

26. Distributed Routing Rainfall-Runoff Model [USGS_DR3M]
The Distributed Routing Rainfall-Runoff Model (DR3M) is a watershed model for routing storm runoff through a Branched system of pipes and (or) natural channels using rainfall as input. DR3M provides ...

27. Finite-element surface-water modeling system for two-dimensional flow in the horizontal plane [USGS_FESWMS]
Finite-element surface-water modeling system for two-dimensional flow in the horizontal plane (FESWMS-2DH) is a modular set of computer programs that simulates two- dimensional, depth-integrated, ...

28. Generation and analysis of model simulation Scenarios [USGS_GENSCN]
Analyzing and managing the high volumes of input and output of complex river basin models is a major task. These models are used to simulate water quantity and quality for numerous scenarios of changes ...

29. Hydrograph Separation Program [USGS_HYSEP]
The Hydrograph Separation Program (HYSEP) performs hydrograph separation, estimating the ground-water, or base flow, component of streamflow. The program provides an automated and consistent method ...

30. Hydrological Simulation Program--Fortran [USGS_HSPF]
The Hydrological Simulation Program--Fortran (HSPF) simulates for extended periods of time the hydrologic, and associated water quality, processes on pervious and impervious land surfaces and in streams ...

31. Laboratory Information Management System (LIMS) [USGS_LIMS]
LIMS for Light Stable Isotopes is a Microsoft Access database program for managing samples, analyses, reports, and other data in a stable isotope (and tritium, carbon-14, and chlorofluorocarbon) laboratory. ...

32. One-Dimensional Transport With Inflow and Storage (OTIS): A Solute Transport Model For Streams and Rivers [USGS_OTIS]
One-Dimensional Transport With Inflow and Storage (OTIS) is a mathematical simulation model used to characterize the fate and transport of water-borne solutes in streams and rivers. The governing ...

33. Particle-size statistics of fluvial sediments [USGS_SEDSIZE]
SEDSIZE computes Inman, Trask, and Folk statistical parameters based on phi values and sizes determined for the percent-finer values of 5, 16, 25, 35, 50, 65, 75, 84, 90, and 95 from up to 33 input ...

34. Precipitation-Runoff Modeling System [USGS_PRMS]
PRMS is a modular-design, deterministic, distributed-parameter modeling system developed to evaluate the impacts of various combinations of precipitation, climate, and land use on streamflow, sediment ...

35. Slope-Area Computation program [USGS_SAC]
The Slope-Area Computation program program solves the 1-D steady-state energy and continuity equations for discharge given upstream and downstream water-surface elevations. The program solves the ...

36. StreamStats [USGS_STREAMSTATS]
StreamStats is an integrated Geographic Information System (GIS) application that uses ArcIMS, ArcSDE, ArcGIS, and the ArcHydro Tools to make the process of computing streamflow statistics much faster, ...

37. Streamflow routing in upland channels or channel networks [USGS_DAFLOW]
Streamflow routing in upland channels or channel networks (DAFLOW) is a digital model for routing streamflow using the diffusion analogy form of the flow equations in conjunction with a Lagrangian ...

38. Surface-water statistics [USGS_SWSTAT]
Surface-water statistics (SWSTAT) contains a number of options for statistically analyzing time-series data. The time-series data are read from a Watershed Data Management (WDM) file. ...

39. Dissolved Oxygen Saturation Tables [USGS_DOTABLES]
Dissolved oxygen saturation tables can be utilized on-line to generate tables of dissolved oxygen (DO) saturation values and (or) salinity correction factors over ranges of temperature, pressure, ...

40. National Water-Quality Assessment (NAWQA) Area-Characterization Toolbox [USGS_nawqa_tools_stdorder]
This is release 1.0 of the National Water-Quality Assessment (NAWQA) Area-Characterization Toolbox. These tools are designed to be accessed using ArcGIS Desktop software (versions 9.3 and 9.3.1). ...

41. Branch-Network Dynamic Flow Model [USGS_BRANCH]
The Branch-Network Dynamic Flow Model (BRANCH) is used to simulate steady or unsteady flow in a single open-channel reach (branch) or throughout a system of branches (network) connected in a dendritic ...

42. WaterWatch -Map of real-time streamflow compared to historical streamflow for the day of the year (United States) [WaterWatch]
The "Real-time streamflow" map tracks short-term changes (over several hours) in rivers and streams. Although the general appearance of the map changes very little from one hour to the next, individual ...

Showing 1 through 42 of 42
USA dot gov - The U.S. Government's Official Web Portal NASA
Webmaster:  Monica Lyles
Responsible NASA Official:  Dr. Stephen Wharton
Last Updated:  July 2016