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NWDTW_2026
Type: SURFACE WATER clear filter
Tuesday, July 21
 

1:00pm CDT

Indirect Measurements
Tuesday July 21, 2026 1:00pm - 1:50pm CDT
BCC - Mobile (37 Class / 60 Theater)
This session will highlight some general best practices when flagging, surveying, and computing indirect measurements of peak discharge, as well as identifying some common (and uncommon) mistakes.
Speakers
KW
Tuesday July 21, 2026 1:00pm - 1:50pm CDT
BCC - Mobile (37 Class / 60 Theater)
  SURFACE WATER

1:00pm CDT

Hurricane Helene - Impact and Recovery Efforts at the Asheville Field Office
Tuesday July 21, 2026 1:00pm - 2:20pm CDT
BCC - Sellers (476 Class / 800 Theater)
Hurricane Helene severely impacted the Asheville Field Area. This presentation looks at impacts from the storm as well as recovery efforts that were undertaken by Asheville Field Office staff as well as assistance from many outside sources. This (hopefully) once in a lifetime storm event led to significant damage and loss of data. Significant effort was put into restoring the network, assigning peak gage heights, and conducting indirect measurements to compute discharge data through the event.
Speakers
JM
Tuesday July 21, 2026 1:00pm - 2:20pm CDT
BCC - Sellers (476 Class / 800 Theater)
  SURFACE WATER

3:00pm CDT

Utilization of a new computational tool to correct for submersible pressure transducer misalignment
Tuesday July 21, 2026 3:00pm - 3:50pm CDT
BCC - Mobile (37 Class / 60 Theater)
Submersible pressure transducers such as Onset HOBO and Van Essen Diver data loggers can provide valuable stage data when compensated with barometric pressure readings. However, when submersible transducers are deployed in the air, they often prove unreliable as verification for stage records within set uncertainty limits. This unreliability comes from overlapping uncertainties of air pressure readings made by both the absolute and barometric pressure sensors. This talk proposes implementing a new computational method and tool during the compensation process involving the average misalignment between air readings made by both pressure sensors and adjusting all readings within a file by that misalignment. Preliminary results have been promising with most of the affected data aligning closer to verification stage records. This method will enable air-deployment of submersible pressure transducers to be more reliable as a method for peak-stage verification as well as increase the accuracy of air-deployed submersible pressure transducers without secondary data sources, such as tidal records and temporary gage deployments. To streamline the processing of data collected by submersible pressure transducers, we have developed a shiny app that implements this proposed new method automatically when processing air deployments in addition to allowing the processing of submersible pressure transducers via existing methods. This application is intended to produce more accurate data records by using a consistent compensation method between different sensor models while reducing the workload of the user processing the data.
Speakers
TT
BP
Tuesday July 21, 2026 3:00pm - 3:50pm CDT
BCC - Mobile (37 Class / 60 Theater)
  SURFACE WATER

3:00pm CDT

Fulfilling Our Mission (Life & Property), One Gage at a Time: USGS Real-time Flood Impact Map Workshop
Tuesday July 21, 2026 3:00pm - 4:20pm CDT
BCC - Lackey (58 Tiered Class Only)
Since 2021, the USGS Real-time Flood Impact Map has evolved through the Next Generation Water Observing System (NGWOS) into an increasingly operational capability that delivers actionable flood impact intelligence.

This hands-on workshop will train participants to enter and document flood impacts within the system. Attendees are encouraged to bring their own flood impact scenarios; alternatively, examples may be selected from National Weather Service flood impact statements. These scenarios will be used for guided, step-by-step instruction on data entry, standards, and quality assurance.

The session will include: (1) an overview of the Real-time Flood Impact Map, (2) criteria for defining and selecting flood impacts, (3) hands-on data entry exercises, and (4) best practices for ensuring consistency and accuracy. The map currently includes more than 6,000 documented flood impacts nationwide and continues to expand in operational use.

Participants will leave prepared to independently contribute high-quality flood impact data and support broader adoption across cooperators and stakeholders.
Speakers
AC
JP
LP
Tuesday July 21, 2026 3:00pm - 4:20pm CDT
BCC - Lackey (58 Tiered Class Only)
  SURFACE WATER
 
Wednesday, July 22
 

8:00am CDT

Remotely Operated Smart Gages
Wednesday July 22, 2026 8:00am - 8:50am CDT
BCC - Lackey (58 Tiered Class Only)
As site loads increase and resources stay tight, many technicians are being asked to manage more than ever before.

This session looks at how modern gaging technology—cameras, remote communications, enhanced power systems, and smarter backend tools—can help ease that burden by reducing unnecessary trips and highlighting what actually needs attention.
Speakers
CG
MS
CM
EN
Wednesday July 22, 2026 8:00am - 8:50am CDT
BCC - Lackey (58 Tiered Class Only)
  SURFACE WATER

8:00am CDT

Cableways – Overview, maintenance, and best practices
Wednesday July 22, 2026 8:00am - 9:20am CDT
BCC - Mobile (37 Class / 60 Theater)
Cableways are essential facilities for obtaining streamflow measurements and water quality samples at many USGS streamgages. This presentation will give an overview of the primary components of cableways and discuss best practices for cableway maintenance and safe operation.
Speakers
SS
Wednesday July 22, 2026 8:00am - 9:20am CDT
BCC - Mobile (37 Class / 60 Theater)
  SURFACE WATER

10:00am CDT

ICE-Edge: Computing Continuous Under-ice Discharge on the Edge
Wednesday July 22, 2026 10:00am - 10:20am CDT
BCC - Lackey (58 Tiered Class Only)
As of Jan 5, 2026, 1,185 of the 9,004 USGS streamgages were ice-affected - approximately 13.2% of our assets that lack the capacity to deliver real-time discharge. Existing USGS under-ice methods require hours to complete, are cost prohibitive, lack the capacity to deliver continuous discharge time series, and place hydrographers at risk. ICE-Edge computes real-time under ice discharge on the “edge” (think by the riverbank) by integrating a RaspberryPi (RPi) computer, python code, uplooking Acoustic Doppler Velocity Meter (u-ADVM), FirstNet modem, and leveraging the probability concept discharge algorithm.
Speakers
BW
Wednesday July 22, 2026 10:00am - 10:20am CDT
BCC - Lackey (58 Tiered Class Only)
  SURFACE WATER

10:00am CDT

What to do after you’ve measured the “big one”: USGS peak-flow data for Hydrologic Technicians
Wednesday July 22, 2026 10:00am - 11:20am CDT
BCC - Wilson (58 Tiered Class Only)
Annual peak streamflow data from USGS streamgages are a critical dataset engineers and hydrologists use for flood frequency analyses that inform bridge designs, floodplain maps, and other projects in and along rivers. Updated Federal guidelines for flood-frequency analysis (Bulletin 17C) were released in 2019, which allow for better use of information published by the USGS, such as censored (greater than or less than) data, and data sources outside of streamgage records, such as historic peaks. In this workshop, attendees will learn how annual peak-flow data are used, what peak flow qualification codes mean and when to use them, what flood information should be included in station descriptions and manuscripts in SIMS, the proper application of “highest since” notes to annual peaks, proper treatment of peak flows at crest-stage gages, and lots of other flood-related facts. An example streamgage will be analyzed with the PeakFQ software to demonstrate application of USGS data to a real-world flood-frequency problem.
Speakers
DW
SS
Wednesday July 22, 2026 10:00am - 11:20am CDT
BCC - Wilson (58 Tiered Class Only)
  SURFACE WATER

10:30am CDT

Some Tools for Assessing Drought
Wednesday July 22, 2026 10:30am - 11:20am CDT
BCC - Lackey (58 Tiered Class Only)
This session will cover a few tools for assessing drought, with examples from the record statewide Texas drought of 2011.
Speakers
KW
Wednesday July 22, 2026 10:30am - 11:20am CDT
BCC - Lackey (58 Tiered Class Only)
  SURFACE WATER

2:30pm CDT

Introduction to the Salt Dilution Streamflow Method
Wednesday July 22, 2026 2:30pm - 3:20pm CDT
BCC - Lackey (58 Tiered Class Only)
The salt dilution method is a technique for measuring streamflow by injecting a trace pulse of sodium chloride (NaCl) into a stream, allowing it to fully mix, and tracking the downstream dilution through changes in specific conductance. Because salt dilution performs well in turbulent or irregular flow conditions where velocity–area methods often fail, it is a practical option for difficult‑to‑measure sites. This presentation introduces the salt dilution method, including how to identify suitable site conditions, the core field procedures for making salt dilution measurements, and the principles behind salt dilution discharge calculations.
Speakers
LC
Wednesday July 22, 2026 2:30pm - 3:20pm CDT
BCC - Lackey (58 Tiered Class Only)
  SURFACE WATER

3:00pm CDT

A Solution Thirty Years in the Making: The Fargo-Moorhead Diversion Project
Wednesday July 22, 2026 3:00pm - 3:50pm CDT
BCC - Mobile (37 Class / 60 Theater)
After the devastation of the 1997 flood, there was agreement in the Fargo-Moorhead community that something needed to be done to prevent a repeat of the catastrophic damages. Planning began for what would become the FM Area Diversion. The process has included studies, permits, Congressional action and hard work from many key entities, including the USGS. Now, the community is on track to have permanent, reliable flood protection by 2027. This presentation will outline the project and USGS's involvement leading up to, during, and post project development.
Speakers
SW
Wednesday July 22, 2026 3:00pm - 3:50pm CDT
BCC - Mobile (37 Class / 60 Theater)
  SURFACE WATER

3:30pm CDT

Frozen SUSHI (Scientists Using Salt Hydrometric Instruments): Salt Dilution Tracer Discharge Measurements Under Ice
Wednesday July 22, 2026 3:30pm - 3:50pm CDT
BCC - Lackey (58 Tiered Class Only)
A presentation on the application of salt dilution tracer discrete discharge measurements in under ice conditions. An overview of the method and workflow is discussed. Results of under ice measurements will be reviewed emphasizing the successes, technical challenges, and the lessons learned. Including a further discussion on improving accuracy and repeatability of the method in the future.
Speakers
TT
Wednesday July 22, 2026 3:30pm - 3:50pm CDT
BCC - Lackey (58 Tiered Class Only)
  SURFACE WATER

4:00pm CDT

Discrete Discharge from Multiple Platforms and Novel Algorithms: Fixed‑Mount and Portable Velocity Radars and Drone‑based Cameras
Wednesday July 22, 2026 4:00pm - 4:20pm CDT
BCC - Mobile (37 Class / 60 Theater)
Standard streamgaging methods to compute discharge rely on placing equipment and personnel in water and integrating velocities and depths at multiple verticals at a channel cross section (25 to 30 to hundreds of hydroacoustic ensembles). However, a paradigm change has occurred with the advent of non-contact platforms such as fixed‑mount and portable velocity radars and drone‑based cameras. The benefits of coupling these platforms and novel algorithms are clear – enhanced safety and increased efficiency.
Speakers
JS
Wednesday July 22, 2026 4:00pm - 4:20pm CDT
BCC - Mobile (37 Class / 60 Theater)
  SURFACE WATER

4:00pm CDT

Peak Flow Visualization Tools
Wednesday July 22, 2026 4:00pm - 4:50pm CDT
BCC - Lackey (58 Tiered Class Only)
USGS peak-flow data is one of the most important datasets used to assess flood risk in the United States. This presentation will discuss tools for visualizing USGS peak-flow data and indirect discharge measurements to improve accessibility of USGS flood data. These tools can be used to easily find what USGS peak-flow data are available in an area to inform operations during and after floods events and identify data for use in flood frequency studies.
Speakers
SS
DW
PM
Wednesday July 22, 2026 4:00pm - 4:50pm CDT
BCC - Lackey (58 Tiered Class Only)
  SURFACE WATER

4:30pm CDT

Using AreaComp3 for Indirect measurements
Wednesday July 22, 2026 4:30pm - 4:50pm CDT
BCC - Birmingham (65 Class / 100 theater)
AreaComp3 was primarily developed to assist with development of Stage-Area ratings for index velocity sites. The program has several other improvements that can assist with the computation of Indirect measurements, specifically Contracted Opening and Critical Depth measurements. This brief presentation will discuss the use of the AreaComp3 tool with X,Y,Z data, and how you can use that output to assist with the computation of Indirect Measurements. This presentation is geared towards users that collect cross section data post flood and need to compute hydrologic properties with that data. It is also oriented towards technicians/hydrologists that work with Indirect Measurements of Discharge and should be familiar with those methods.
Speakers
EK
Wednesday July 22, 2026 4:30pm - 4:50pm CDT
BCC - Birmingham (65 Class / 100 theater)
  SURFACE WATER
 
Thursday, July 23
 

1:30pm CDT

Peak Precision from Your Desk: In-Office Validation of the Upper End of Stage-Discharge Rating Curves
Thursday July 23, 2026 1:30pm - 2:20pm CDT
BCC - Lackey (58 Tiered Class Only)
Developing reliable upper-end extensions of stage-discharge rating curves is often challenging due to limited high-flow measurements. This presentation outlines a clear hierarchy of preferred approaches—starting with direct flow measurements, followed by indirect methods—and then focuses on practical in-office techniques that can be performed without field work. Methods include estimating peak flows using areal regression (Q vs. drainage area), transferring peak discharges from upstream or downstream gages, and leveraging the StreamStats cross-section cutting tool along with the AreaComp3 software program to generate control and channel geometry. These desk-based strategies allow hydrologists to effectively vet rating descriptor pairs, assess curve shape, and confidently extend ratings to higher stages.
Speakers
AL
Thursday July 23, 2026 1:30pm - 2:20pm CDT
BCC - Lackey (58 Tiered Class Only)
  SURFACE WATER
 

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Monday, July 20
Tuesday, July 21
Wednesday, July 22
Thursday, July 23
BCC - Birmingham (65 Class / 100 theater)
BCC - Central Bank (39 Class / 60 Theater)
BCC - Lackey (58 Tiered Class Only)
BCC - Mason (33 Class / 60 Theater)
BCC - Mobile (37 Class / 60 Theater)
BCC - Nichols (21 Class / 40 Theater)
BCC - Sellers (476 Class / 800 Theater)
BCC - Smith (42 Class / 48 Theater)
BCC - Thames (21 Class / 40 Theater)
BCC - Wilson (58 Tiered Class Only)
HIF - Command Center (20 Classroom / 30 Theater)
HIF - Electronics Room (Monday)
HIF - Theater (150 Theater / Monday)
Hotel Capstone - Presidents (40 Theater)
Moody Music - Choral Room (300 Theater / Thurs Only)
Moody Music - Concert Hall (940 Theater / Thurs Only)
Moody Music - Recital Hall (74 Theater / Thurs Only)
Moody Music - Room 1003 (150 Theater / Thurs Only)
  • AQUARIUS (AQ)
  • COASTAL SCIENCE/STORM RESPONSE
  • Collaboration
  • COMPUTER TOOLS
  • CONTINUOUS QW
  • DATA CHIEFS/FIELD OFFICE CHIEFS
  • DATABASE (DBA/LDM/NWIS)
  • DISCRETE QW
  • Field Support
  • Fit for Purpose/Surface Water
  • GNSS/SURVEYING
  • GROUNDWATER
  • HYDROACOUSTICS
  • Hydrogeophysics for groundwater investigations
  • HYDROLOGIC INSTRUMENTATION FACILITY (HIF)
  • IMAGERY AND REMOTE SENSING
  • LISTENING SESSIONS
  • New Technologies/New Data/Remote Sensing
  • Precipitation Chemistry QA
  • RMS Automated Station Analysis Method
  • SEDIMENT
  • SHOW AND TELL FIELD HACKS: EFFICIENCY TIPS AND TRICKS
  • SHOW AND TELL FIELD HACKS: TIPS AND TRICKS
  • SURFACE WATER
  • Telemetry
  • the future of records work
  • Training & Workforce Development
  • UNCREWED AIRCRAFT SYSTEMS
  • Length
  • 0800-1600
  • 110 minutes
  • 20 minutes
  • 30 minutes
  • 4 Hours
  • 50 minutes
  • 80 minutes
  • All day Monday
  • I am good with 20 or 50!
  • Can't teach
  • also presenting nugo2 and HydroCorrect;
  • AM;
  • AM;I'd like not to be on the first day to allow time to meet people and offer help getting set up in advance;
  • AM;Monday
  • AM;Thursday
  • AM;Tuesday
  • AM;Unavailable during any Water Training Advisory Council (WTAC)-related sessions;
  • AM;Wednesday
  • Monday
  • Not available during LDM forum or NWDi presentation;
  • PM;
  • PM;during other presentations I am giving as well as any salt dilution presentation.;
  • PM;Monday
  • PM;Thursday
  • PM;Tuesday
  • PM;Wednesday
  • Thursday
  • Tuesday
  • Notes
  • 'This is independent
  • *** I had previously submitted a session on 'Indirect Measurement of Peak Flows at Culverts' for this workshop. Please CANCEL that session
  • Additional to this presentation
  • an outdoor one would be o
  • and backend systems
  • and gather feedback for future implementation. Jack Eggleston has asked Kim Schaeffer and Chris
  • as it will be incorporated into this more general session.
  • but I have a hotspot. Presuming cell coverage is ok
  • but not in depth
  • but ties into Patrick Haluska and my talk regarding LoRaWAN. The demonstration in that talk will utilize similar underlying systems.
  • but ties into Trevor Violette's talk regarding ntfy systems.'
  • Can do 20 mins if that's better for scheduling
  • Can do 50 mins if it fits better
  • communications
  • Coordinate with other LabVantage talks from Kalfsbeek and others
  • Could fit in efficiency track
  • I am attempting to get 2-3 other people to help with this session
  • I am participating in another talk related to Superfly. It would be helpful if my two talks could exist on the same day. Dave Rus submitted the Superfly talk. It is a trio of talks in a time slot.
  • I could expand this to 80 minute session if that helps.
  • I could lengthen this to 80 minutes if that was beneficial.
  • I will have others present this just don't know who yet; may not do it this year.
  • I will need free cookies to encourage people to attend.
  • I would love to be on the agenda. Thanks!
  • I would prefer this to be offered towards the beginning of any of the coding sessions
  • I'm not sure which track this session belongs in: AQUARIUS? COMPUTER TOOLS? EFFICIENCY? DATABASE?
  • If there is a Monday Data Chief meeting I will present this talk during that meeting. If there isn't one
  • In past years we've done this in 2
  • It would be good to include with other groundwater network presentations.
  • it's a good introduction. If folks had internet available
  • makes the most sense after other LIMS talks announcing timelines and higher-level plans.
  • Milk
  • Monday session
  • more cookies
  • n/a
  • None.
  • or 4 hour blocks
  • Planning a larger 1/2 Image Velocimetry Training class/track on Monday (or it has been Mondays in the past). This is just a normal discussion/seminar
  • please let us know as soon as possible so I can see if the presenters are available any other times. In past yea
  • Please try to avoid scheduling conflicts with sessions describing other image velocimetry tools
  • possibly some AI/ML if we get that much built before the workshop...
  • Prefer to include in a groundwater focus session with a presentation by Candice Hopkins following this presentation. Thanks
  • Probably fits in an imagery track (even though there isn't one this year). It's going to focus on gage hardware
  • Put it in whatever track you'd like.
  • Relates talks about the future of lab data in AQSamples
  • Should be on similar track for WMA LIMS Workflows session and any NWQL ASR Submission sessions
  • shouldn't need special IT support
  • so I don't need to be a part of the entire session. I will need at least 2 sets of surveying equipment (I can bring my own). I will need at least an indoor space
  • so they should be sequential in the schedule.
  • standalone training that is specific to this instrument only
  • such as the IVy software developed by Frank Engel.
  • Thank you!
  • Thanks for all your work!
  • Thanks!
  • that would be helpful for troubleshooting questions at the end.
  • The LDM Open Forum has typically been done on Monday so the LDMs could attend the other sessions throughout the week. If Monday will not work
  • there are more in depth presentations being done by other WMA team members this week. If possible this class should come first in the WDFN presentations
  • There are multiple 'Future Directions' talks I have planned but people do not need to attend each of them. They deal with different aspects and are stand alone.
  • There will be at least one other salt dilution presentation. It would be ideal if this presentation could precede it.
  • This is a broad intro to the Water data for the nation homepage and tools
  • This is a follow up to the Part 1 NuGo2 session
  • This is a placeholder for the typical Monday DC meeting
  • This is independent
  • This is part of several talks I am proposing but they do not build on one another. People can attend this without having attended the others.
  • This presentation is subject to change and/or addition or subtraction of presenters based on field support frameworks that currently under evaluation.
  • This session is for managers only.
  • This session will be a good followup to the 'Intro to dataRetrieval' session proposed by Laura DeCicco.
  • This should come after our longer 50 min presentation
  • This talk is intended to be a standalone presentation on a new tool to use when processing submersible pressure transducers. It applies to any use for submersible pressure transducers that involves deploying the sensor in the air. I selected surface water
  • This will cover high-level overview of UAS operations general information for WSC management and scientists. This is very much a presentation and NOT a training session.
  • This would fall under the general umbrella of Water Mission Area -Observing Systems Division technical support to WSCs
  • This would work well as the first of a 3 x 20 minute session that will be followed by Dave Rus presenting on the Triangle project and then finishing with a LIMS-to-AQS talk by Kate Norton
  • This would work well as the middle of a 3 x 20 minute session that is preceded by a Superfly-LIMS talk and followed by a LIMS-to-AQS talk by Kate Norton
  • too. Newish tool we've recently improved and could help save time.
  • usually on Monday.
  • we hope to have an exhibit in the common area with large monitors to run live demos of WaterMAP
  • which will be for managers only. There are still plenty of details to work out on our end. We've had as many as ~100 people in the past. Thanks.
  • will cover some general CQW practices
  • Will need VPN
  • work with people one-on-one
  • Would pair well with any other Salt Dilution trainings
  • You guys are the best!
  • You guys rock!