Sir 200455, magnitude and frequency of floods on small rural streams in alabama. Kytc hydrologic calculation software recommendations july 8, 2010 this list of hydrologic software is not intended to limit the use of other applications. Kytc hydrologic calculation software recommendations. The usgs alertlevel system for volcanic activity has two parts 1 ranked terms to inform people on the ground about a volcanos status and 2 ranked colors to inform the aviation sector about airborne ash hazards. Fs20073010 the national streamflow statistics program usgs. Kytc hydrologic calculation software recommendations july 8. Usgs 11160000 soquel c a soquel ca usgs water data for the. You have zoomed in sufficiently to select a state or regional study area.
This software and related material data and documentation are made available by the u. The software is provided as a minimum in source code form as. Nss national streamflow statistics program nss version 6. The version history link will document any changes made to the data base or the software. Geological survey waterresources investigations report 984015, 19 p.
Geological survey national water information system web site. Selecting the proper location for a bridge is as important as determining the characteristics of the bridge itself. The software is called the national streamflow statistics nss program. Streamstats provides access to spatial analytical tools that are useful for waterresources planning and management, and for engineering and design purposes. Streamstats provides access to spatial analytical tools that are useful for water resources planning and management, and for engineering and design purposes.
The mapbased user interface can be used to delineate drainage areas for userselected sites on streams, and then get basin characteristics. Geological survey usgs develops and publishes regression equations for estimating streamflow. Students will learn how to use the nss program to estimate floodfrequency statistics e. Sir 20165099, paleoflood investigations to improve peakstreamflow regionalregression equations for natural streamflow in eastern colorado. All other water intermittent, glacier, and marshswamp is included in this table as part of land area calculations. Sir 20075204, magnitude and frequency of floods in alabama, 2003. The usgs works with partners to monitor, assess, conduct targeted research, and deliver information on a wide range of water resources and conditions including streamflow. Use this groundwater age mixtures and contaminant trends tool gamactt to explore the effects of basic aquifer properties and well configurations on groundwater age mixtures in. Statistics nss program which is developed by the united states geological survey. We offer a wide range of software tools created by or for the usgs and used to display, create, and interpret data from a variety of sources. The software can be used, copied, modified, and distributed without any fee or cost. An angular cli web application, the national streamflow statistics nss program is a computer program that provides a simple method for applying regional floodpeak streamflow estimates and low flow frequencyduration streamflow estimates. The course will cover different procedures for nss setup, input preparation and extracting results.
At zoom level 8 or greater stateregion selection will be enabled. Sir 20105012, magnitude and frequency of floods for urban streams in alabama, 2007. Geological survey usgs regional regression equations for estimating streamflow statistics at ungaged sites in an easytouse. Would you like to be notified when updates are made to the nss program or new equations are added to the database. Usgs 11160000 soquel c a soquel ca usgs water data for.
The most recent publication of the users manual for wateq4f is usgs openfile report 91183. Obtaining and analyzing daily mean streamflow data from the u. Existing guidelines bulletin 17b published in 1982, includes guidelines for. Reactiontransport modeling in groundwater and watershed. The nss publications page lists the underlying reports from which nss equations are drawn. The interface can be used most efficiently by following a few basic rules. Fitting pearson type iii distribution to logs of annual peak flows estimating generalized skew. This report discusses a commonsense approach, combined with science, to help select sustainable locations for bridges.
Wsp 2433 1997, methods for estimating magnitude and frequency of floods in the southwestern united states. Version 6 download software technical papers for each state latest equations for each state. The usgs investigates the occurrence, quantity, quality, distribution, and movement of surface and underground waters and disseminates the data to the public, state and local governments, public and private utilities, and other federal agencies involved with managing our water resources. Because water is the principal limiting resource for plants, their fitness, vulnerability to pathogens and herbivores, species richness, productivity, biomass, competitive ability, population structure, and community composition are supported by and respond directly to flowrelated processes.
Fs20073010 the national streamflow statistics program. This page documents updates made to the nss software program and database. Most hydrologic software applications will be accepted unless they are proven to be incorrect. R tools for geoweb processing of gridded data via the geo data portal. Water information is fundamental to national and local economic wellbeing, protection of life and property, and effective management of the nations water resources. The streamflowrouting package is used to simulate streams in a model.
Prism is opensource software used for automatically processing strongmotion records, and is intended to be used by individuals or strongmotion networks. Geological survey usgs for use by the usgs in fulfilling its mission. Our hydrologic monitoring stations continue to send data in near realtime to nwisweb, and we are. These equations have been compiled into the national streamflow statistics nss program. Oct, 2015 the nss publications page lists the underlying reports from which nss equations are drawn. A multistate approach was used to update methods for estimating the magnitude and frequency of floods in rural, ungaged basins in georgia, south carolina, and north carolina that are not substantially affected by regulation, tidal fluctuations, or urban development. The name change was required because the software now allows solving of all types of regression equations that are available in each state, not just peakflow equations. Nff has been replaced with the national streamflow statistics nss program. Since this publication was released, many upgrades and modifications have been made, including complete reworking of the uranium and arsenic thermodynamic data and modification to the structure of input and output file formats to accept and generate. The national streamflow statistics nss program compiles regression equations for estimating streamflow statistics for every state, puerto rico, and a number of metropolitan areas in the u. The national streamflow statistics nss program is a computer program that should be useful to engineers, hydrologists, and others for planning, management, and design applications.
These water area data represent the sum of inland and coastal water and the great lakes. The national streamflow statistics nss program provides an easily accessible graphical user interface to estimate high and low streamflow statistics for ungaged sites across the united states. Nss national streamflow statistics program water resources. National streamflow statistics nss program summary of flood frequencies at gage stations methods for extrapolating data to ungaged sites regional equations for flood frequencies and other streamflow statistics computer program. Geological survey usgs has created a microsoft windows 1 computer program named the national streamflow statistics nss program, version 4, to make it easy for users to obtain estimates of streamflow statistics for ungaged sites throughout the nation ries, 2006. Use the map or the search tool to identify an area of interest. This method uses the usgs procedures for estimating peak flows sec. Sir 200956, regional regression equations for estimation of natural streamflow statistics in. Notice the usgs water resources mission areas priority is to maintain the safety and wellbeing of our communities, including providing critical situational awareness in times of flooding in all 50 u. Geological survey usgs to be used in the public interest and the advancement of science.
Software to download usgs earthquake hazard program. Geological survey usgs develops reports for some states that give hydrographs for a range of return periods. Explore software used for all water resources applications, including general use, water quality and chemistry, groundwater, statistics and graphics, and surface water. Users who become familiar with these reports will make the most appropriate use of nss estimates. Feq is a computer model for simulation of onedimensional unsteady flow in open channels and through control structures. Although this program has been used by the usgs, no warranty, expressed or implied, is made by the usgs or the united states government as to the accuracy and functioning of the program and related program material nor shall the fact of distribution constitute any such warranty, and no responsibility is assumed by the usgs in connection therewith. Learn more about animal population analysis, and access, explore, and download u. A computer program for estimating streamflow statistics for ungaged sites. You may, without any fee or cost, use, copy, modify, or distribute this software, and any derivative works thereof, and its supporting documentation, subject to the. The mapbased user interface can be used to delineate drainage areas, get basin characteristics and estimates of flow statistics, and more.
Nss is a windows program for estimating the magnitude and probability of peak discharges for unregulated rural and urban watersheds and for estimating other streamflow statistics for unregulated rural watersheds. The structure of the program is designed to follow the structure of a stream system and provide maximum generality and flexibility. This information is provided with the understanding that it is not guaranteed to be correct or complete and conclusions drawn from such information. Water resources of the united statesnational water. For many off the shelf programs, the changes released in dr 400 will require designers to update. Water area calculations in this table include only perennial water. Streamstats is a web application that provides access to an assortment of geographic information systems gis analytical tools that are useful for water resources planning and management, and for engineering and design purposes. Access software that helps scientists conduct research and. Geological survey usgs develops and publishes regression equations for estimating streamflow statistics for every state, the commonwealth of puerto rico, and a number of metropolitan areas in the united states. Sites are clickable only when zoomed in enough for accurate selection. The flow in a stream is either routed instantaneously to downstream streams or lakes or in modflow2005 or modflowlgr routed using a kinematic wave equation. How to use the mapper this interface provides a map view of the locations of sites with usgs water data.
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