47 Titles Match Your Query 
Showing 1 through 47 of 47

1.
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. ...

2.
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 ...

3.
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 ...

4.
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 ...

5.
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 ...

6.
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 ...

7.
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 ...

8.
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 ...

9.
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 ...

10.
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 ...

11.
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 ...

12.
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 ...

13.
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 ...

14.
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 ...

15.
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 ...

16.
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 ...

17.
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 ...

18.
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 ...

19.
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 ...

20.
Stochastic Empirical Loading and Dilution Model (SELDM) [USGS_SELDM]
The Stochastic Empirical Loading and Dilution Model (SELDM) is designed to transform complex scientific data into meaningful information about the risk of adverse effects of runoff on receiving waters, ...

21.
INFIL  A GridBased, DistributedParameter Watershed Model to Estimate Net Infiltration Below the Root Zone [USGS_INFIL]
INFIL3.0 is a gridbased, distributedparameter, deterministic waterbalance model that calculates the temporal and spatial distribution of daily net infiltration of water across the lower boundary ...

22.
A Computer Program for Speciation, BatchReaction, OneDimensional Transport, and Inverse Geochemical Calculations [USGS_PHREEQC]
CHILD SERFs
PHREEQC A Computer Program for Speciation, BatchReaction, OneDimensional
Transport, and Inverse Geochemical Calculations is written in the C programming
language that is designed to perform a wide ...

23.
A computer model for WaterSurface Profile computations [USGS_WSPRO]
A computer model for WaterSurface Profile computations (WSPRO) computes
watersurface profiles for subcritical, critical, or supercritical flow as long
as the flow can be reasonably classified as ...

24.
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 ...

25.
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 bridgescour measurement data. Users may interactively store, retrieve, update, ...

26.
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 openchannel reach as defined by a sequence of cross sections. ...

27.
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 bedmaterial formulas. ...

28.
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 ...

29.
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 stagedischarge
relationships for culverts and to determine ...

30.
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 ...

31.
Distributed Routing RainfallRunoff Model [USGS_DR3M]
The Distributed Routing RainfallRunoff 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 ...

32.
Finiteelement surfacewater modeling system for twodimensional flow in the horizontal plane [USGS_FESWMS]
Finiteelement surfacewater modeling system for twodimensional flow in the
horizontal plane (FESWMS2DH) is a modular set of computer programs that
simulates two dimensional, depthintegrated, ...

33.
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 ...

34.
Hydrograph Separation Program [USGS_HYSEP]
The Hydrograph Separation Program (HYSEP) performs hydrograph separation,
estimating the groundwater, or base flow, component of streamflow. The
program provides an automated and consistent method ...

35.
Hydrological Simulation ProgramFortran [USGS_HSPF]
The Hydrological Simulation ProgramFortran (HSPF) simulates for extended
periods of time the hydrologic, and associated water quality, processes on
pervious and impervious land surfaces and in streams ...

36.
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, carbon14, and chlorofluorocarbon) laboratory. ...

37.
OneDimensional Transport With Inflow and Storage (OTIS): A Solute Transport Model For Streams and Rivers [USGS_OTIS]
OneDimensional Transport With Inflow and Storage (OTIS) is a mathematical
simulation model used to characterize the fate and transport of waterborne
solutes in streams and rivers. The governing ...

38.
Particlesize statistics of fluvial sediments [USGS_SEDSIZE]
SEDSIZE computes Inman, Trask, and Folk statistical parameters based on phi values and sizes determined for the percentfiner values of 5, 16, 25, 35, 50, 65, 75, 84, 90, and 95 from up to 33 input ...

39.
PrecipitationRunoff Modeling System [USGS_PRMS]
PRMS is a modulardesign, deterministic, distributedparameter modeling system
developed to evaluate the impacts of various combinations of precipitation,
climate, and land use on streamflow, sediment ...

40.
SlopeArea Computation program [USGS_SAC]
The SlopeArea Computation program program solves the 1D steadystate energy
and continuity equations for discharge given upstream and downstream
watersurface elevations.
The program solves the ...

41.
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 ...

42.
Surfacewater statistics [USGS_SWSTAT]
Surfacewater statistics (SWSTAT) contains a number of options for
statistically analyzing timeseries data. The timeseries data are read
from a Watershed Data Management (WDM) file. ...

43.
Dissolved Oxygen Saturation Tables [USGS_DOTABLES]
Dissolved oxygen saturation tables can be utilized online to generate tables of dissolved oxygen (DO) saturation values and (or) salinity correction factors over ranges of temperature, pressure, ...

44.
ANALGWST: Programs that calculate analytical solutions for one, two, and threedimensional solute transport in groundwater systems with uniform flow [USGS_ANALGWST]
ANALGWST is a set of programs that calculate analytical solutions for one, two, and threedimensional solute transport in groundwater systems with uniform flow.
Analytical solutions to the advectivedispersive ...

45.
BranchNetwork Dynamic Flow Model [USGS_BRANCH]
The BranchNetwork Dynamic Flow Model (BRANCH) is used to simulate steady or
unsteady flow in a single openchannel reach (branch) or throughout a system of
branches (network) connected in a dendritic ...

46.
Water on the Web Internet Map Server Sites [Waterontheweb]
The Water on the Web Internet Map Server site helps college and high school
students understand and solve realworld environmental problems using advanced
technology. The website contains two sets ...

47.
WaterWatch Map of realtime streamflow compared to historical streamflow for the day of the year (United States) [WaterWatch]
The "Realtime streamflow" map tracks shortterm 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 47 of 47
