by Pete Steeves

AlabamaStreamStats

Presented at the Alabama Water Resources ConferencePerdido Beach Resort, Orange Beach, Alabama

September 8, 2011

U.S. Geological SurveyNorthboro, MA508-490-5054

psteeves@usgs.gov

What is StreamStats?

A map-based Web application that provides information that can be used by engineers, managers, planners, and others to make informed decisions on water-related activities

Primary product is streamflow statistics

How is StreamStats Information Used?

Engineering Design—Bridges, culverts, flood-plain management

Water and Land Management—Water rights adjudications; water & land-use planning; in-stream flow, fish passage, & habitat studies

Water Quality Regulation—Low flows, perennial vs. intermittent streams (TMDL’s, NPDES Permits)

Design of Sampling Networks—Cover a range of desired flows

Development Team

USGS• John Guthrie, RMMC, programmer• Al Rea, ID WSC, GIS specialist • Kernell Ries, OSW, hydrologist, coordinator• Pete Steeves, MA WSC, GIS specialist• Dave Stewart, OSW, GIS specialist

ESRI• Christine Dartiguenave• Dean Djokic• Zichuen Ye

State Implementation Process Usually funded through cooperative

agreements with local agencies1. Local USGS Water Science Centers

• Prepare GIS datasets• Populate database of statistics for USGS gages

2. Development team sets up internal test site3. WSC evaluates accuracy of internal test site4. Development team and/or WSC makes any

needed changes5. Site is made available to public

Alabama StreamStats Cooperators

Alabama Department of Conservation and Natural Resources - Wildlife and Freshwater Fisheries

The Alabama Office of the State Climatologist Alabama Power Alabama Department of Economic and

Community Affairs - Office of Water Resources Alabama Department of Transportation

GIS Data Preparation Data preparation and watershed characteristics

measurements done using ArcHydro Data Model and Tools http://support.esri.com/index.cfm?fa=downloads.dataModels.filteredGateway&dmid=15

Data for boundary delineation• DEM – usually 10-m NED (http://ned.usgs.gov)• Stream network – Usually NHD (http://nhd.usgs.gov)• Basin boundaries – Usually WBD

(http://www.ncgc.nrcs.usda.gov/products/datasets/watershed/)• DEM forced to conform with stream network and

basin boundary datasets

StreamStats Versions

National site for data-collection stations only “Classic” version built using ESRI’s ArcMap and

ArcIMS software, with custom connectors• Phased out as of late 2010

Version 2 – based on ArcGIS Server 9.2• Released during Oct. 2008 for MA and UT

• Now available for all states

Implementation Status

20 states fully implemented

5 states partly implemented

9 states in implementation process

National Site Capabilities

Provides ability to locate any USGS streamflow data-collection station in the Nation and get:Descriptive information about the stationPreviously published basin (physical and/or climatic) characteristicsPreviously published streamflow statisticsDisplays digital topographic maps and aerial imagery as base map

“Classic” Site Capabilities

For data-collection stations, same as national site

For user-selected ungaged sites:• Delineates drainage basin (watershed) boundaries• Editing of basin boundaries, if necessary• Computes basin characteristics• Provides estimates of streamflow statistics based on

regression equations• Download of basin boundary shapefiles• Printing of maps shown in user interface

Added Version 2 Capabilities

Estimates streamflow statistics for ungaged sites based on flow at nearby gages (drainage-area ratio method)

Stream network navigation Computes NHD reach addresses for selected sites Land surface and stream channel profiles Traces raindrop path Primary capabilities available as Web services

StreamStats Home Page http://streamstats.usgs.gov

State Applications

Alabama Introductory Page

ArcGIS Server 9.2 Interface

Toolbar

Console

Panel Banners

New Toolbar

Zoom In/OutPanLast/Next/Full Extent

MagnifyRulerIdentify

Get Gage Information

Raindrop Trace

Point Delineation

Basin Characteristics

Estimate Flows Using Regression Equations

Edit Parameters and Recompute Flows

Edit Delineated Basin

Scale Indicator/Selector

RefreshDownloadPrint HelpZoom To:Lat/Long, Place, NHD Reach

Address

Working With Panels

Click on triangle to expand panel

Click on plus (+) sign to expand list

Displaying Layers

Select Ungaged Site

Scale must indicate 1:24,000 or greater

Delineated Basin

Generate Flow Statistics

Get Basin Characteristics

National Station Statistics Site

Display and Select Stations

Streamgage Information

Summary of Benefits StreamStats provides a set of tools that are

useful for water resources planning and management, and for engineering design

StreamStats substantially reduces effort and cost compared to previous manual techniques

Network navigation allows:• Estimation of flows for ungaged sites based on

flows for nearby gaging stations• Identification of activities upstream or downstream

from selected sites and obtaining information for those activities

Questions or Suggestions?

URL• http://streamstats.usgs.gov

Team email• GS-W StreamStats@usgs.gov

This presentation• ftp://ftpext.usgs.gov/pub/er/ma/northborough/streamstats/AWRA.ppt

Users Manual• ftp://ftpext.usgs.gov/pub/er/md/baltimore/streamstats/UserInstructions-All.docx