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NWDTW 2026
Audience: Thursday clear filter
Monday, July 20
 

8:00am CDT

LDM Open Forum
Monday July 20, 2026 8:00am - 12:00pm CDT
HIF - Electronics Room (Monday)
Presenters will address various issues affecting LDM's workflow. Some of these topics are related to Water Use, the Monitoring Location Registry, and datums. As seen in previous years, time will also be set aside to have an open dialogue amongst the LDMs.
Speakers
CF
PR
CD
avatar for Bryce McClenney

Bryce McClenney

hydro tech, USGS-South Atlantic
I am presenting on both the GNSS and Storm Response tracks. I have been involved with both GNSS and storm response campaigns all over the country and hope to convey some of my lessons learned as well as learn from others.
avatar for Sonya Vasquez

Sonya Vasquez

Hydrologic Technician, NV WSC
Sonya Vasquez is a Hydrologic Technician with the Nevada Water Science Center. She serves as Product Owner for SIMS/RMS within NWIS and oversees the Discontinued Station – Capital Improvement (DSCI) product under the OSD Hydrologic Networks Branch Software and Field Computing Team... Read More →
CP
Monday July 20, 2026 8:00am - 12:00pm CDT
HIF - Electronics Room (Monday)
  DATABASE (DBA/LDM/NWIS)

8:00am CDT

Data Chief/Field Office Chief Meeting
Monday July 20, 2026 8:00am - 4:00pm CDT
BCC - Sellers (476 Class / 800 Theater)
This meeting provides a forum for WMA updates and group discussions directly related to the work of Data Chiefs and Field Office Chiefs.
Speakers
JW

Jeremy White

Supv Hydrologic Technician, US Geological Survey
I have been in the VA-WV WSC for over 25 years and have had the opportunity to do work within many different water disciplines across my career. For the past 10+ years, I have served as the Field Office Chief for the Charleston, WV, office.
Monday July 20, 2026 8:00am - 4:00pm CDT
BCC - Sellers (476 Class / 800 Theater)
  DATA CHIEFS/FIELD OFFICE CHIEFS

8:00am CDT

Procedures for Running Station Levels & Hands-On Training
FULL
Monday July 20, 2026 8:00am - 5:00pm CDT
BCC - Lackey (54 Tiered Class Only)
Limited Capacity full
This training is in two parts: a morning classroom session and an afternoon hands-on session. The classroom portion will cover policy and procedures for running station levels found within the Techniques and Methods 3-A19 Levels at Gaging Stations as well as proper documentation within SVMobileAQ and SLAP. The hands-on session will include students using the digital instrument, reading the rod optically, running a short circuit to completion, and the best way to level in reference and auxiliary gages; this portion will be outdoors or indoors depending upon weather conditions so plan accordingly. Students will need to bring their computers; instructors will provide a Class Mode Version of SVMobileAQ for students to load onto their computers.
Speakers
avatar for Crystal Hammer

Crystal Hammer

Supervisory Hydrologic Technician/Field Office Chief (Columbus, OH), U.S. Geological Survey
I'm the Columbus OH Field Office Chief for the Ohio-Kentucky-Indiana WSC. For my 1st 2.5 years in the USGS, I worked out of the Pacific Islands WSC in Honolulu, Hawaii. I accepted a position in Columbus, Ohio to return to my home state and be closer to family having grown up in Cincinnati... Read More →
TS
DW
HS
Monday July 20, 2026 8:00am - 5:00pm CDT
BCC - Lackey (54 Tiered Class Only)
  GNSS/SURVEYING

1:00pm CDT

Groundwater Field and Data Processing basics
Monday July 20, 2026 1:00pm - 5:00pm CDT
BCC - Birmingham (65 Class / 100 theater)
The first half of this training will cover the instruments used to collect water level data and field data collection at groundwater sites. The second half will cover groundwater data processing in AQUARIUS Time-Series and highlight workflows and the application of some data corrections and edits.
Speakers
avatar for Lance Gruhn

Lance Gruhn

Hydrologist, USGS
Lance Gruhn is a Hydrologist stationed in Iowa City, Iowa and is the groundwater technical and field support lead for the Hydrologic Networks Branck of the USGS Water Resources Mission Area. Lance coordinates the Groundwater Data Processing class and the Groundwater Field Techniques... Read More →
Monday July 20, 2026 1:00pm - 5:00pm CDT
BCC - Birmingham (65 Class / 100 theater)
  GROUNDWATER
 
Tuesday, July 21
 

1:00pm CDT

AQTS Auto-Estimation Correction
Tuesday July 21, 2026 1:00pm - 1:50pm CDT
BCC - Wilson (54 Tiered Class Only)
Want a (sometimes) easy button for developing estimates during records processing? Try the AQTS Automatic Estimation correction to quickly generate estimates at your sites. Presentation will cover proper usage, recent improvements, tips and tricks, and things to watch out for to help get the most out of the correction and help save you time during records processing.
Speakers
WW
Tuesday July 21, 2026 1:00pm - 1:50pm CDT
BCC - Wilson (54 Tiered Class Only)
  AQUARIUS (AQ)

2:00pm CDT

Water, Watts, and Wires: An Introduction to Microcontrollers for Instrument Control and Monitoring
Tuesday July 21, 2026 2:00pm - 2:20pm CDT
BCC - Lackey (54 Tiered Class Only)
"Did you unplug it and plug it back in?" - every IT Person, ever.
Field visits for simple instrument resets are a costly drain on resources. While most dataloggers have control ports that can power cycle devices and instruments, these ports are often exhausted as sensor density increases. By integrating a microcontroller, we have expanded our control capacity via multi-channel relay boards. Logic within the main datalogger verifies data transmission, validity, and connectivity before communicating with an external microcontroller that manages the power supply to individual devices and instruments. More importantly, we've moved beyond simple "On/Off" control by monitoring individual instrument's current draw in real-time. These data are passed to the primary datalogger, enabling automated notifications if hardware is drawing outside of specifications. Because the entire system can be monitored and controlled remotely, it provides a comprehensive "health check". This reduces unnecessary field visits and equips staff with additional diagnostic information needed to troubleshoot before leaving the office.
Speakers
avatar for Trevor Violette

Trevor Violette

Physical Scientist
Trevor has been working for the Estuarine Hydrodynamics and Sediment Transport team for almost 14 years. In his time, he has been heavily involved in index velocity and complex velocity mapping projects, water quality, and fish tracking. He's installed more ADCPs, QW Sondes, and Hydrophones... Read More →
Tuesday July 21, 2026 2:00pm - 2:20pm CDT
BCC - Lackey (54 Tiered Class Only)
  SHOW AND TELL FIELD HACKS: EFFICIENCY TIPS AND TRICKS

4:00pm CDT

Monitor every river, lake, and reservoir in the US with WaterMAP - An Online Portal for Remotely Sensed Water Data
Tuesday July 21, 2026 4:00pm - 4:50pm CDT
BCC - Mobile (33 Class / 60 Theater)
WaterMAP (https://apps.usgs.gov/watermap) is an interactive web application that brings together comprehensive views of surface water conditions in rivers, lakes, and reservoirs, everywhere in the US. The application allows users to explore water conditions over time using both satellite observations and onsite measurements. We will demonstrate best practices to leverage and integrate each data catalog while highlighting the interactive mapping and visualization capabilities, as well as data search/filter/download functionalities. Live demos will present use cases to improve workflows for USGS hydrologic technicians and scientists. Data product owners and the development team will be available to answer questions.
Speakers
RS
avatar for Chuck Hansen

Chuck Hansen

Hydrologist, USGS
Chuck Hansen is a Hydrologist with the California Water Science Center in Sacramento. He leads
a team of software and hardware engineers focusing on remote sensing and data delivery.
Tuesday July 21, 2026 4:00pm - 4:50pm CDT
BCC - Mobile (33 Class / 60 Theater)
  IMAGERY AND REMOTE SENSING
 
Wednesday, July 22
 

8:00am CDT

USGS National Water Quality Network (NWQN-SW): Overview of Sample Collection, Data Reporting and Products
Wednesday July 22, 2026 8:00am - 8:20am CDT
BCC - Central Bank (39 Class / 60 Theater)
Understanding the water quality of U.S. streams and rivers requires consistent data collection and analysis over decades. The U.S. Geological Survey’s National Water Quality Network (NWQN) was established to facilitate national-scale understanding of surface-water quality conditions through the collection of comparable data in large rivers and small streams in different geographic and land-use settings. Data collected by the NWQN supports the needs of Federal, State and local stakeholders tasked with managing our Nation’s water resources. This talk will provide an overview of the history of national-scale, surface-water quality monitoring in the USGS, current network objectives and scope, sample collection and reporting methods, sampling resources as well as highlight products utilizing NWQN data.
Speakers
avatar for Melissa Riskin

Melissa Riskin

National Water Quality Network Coordinator, USGS-WMA-OSD
Melissa Riskin is currently the Coordinator of the National Water Quality Network (NWQN-SW) within the USGS Water Mission Area, Observing Systems Division. She is also the Product Owner of the field software Superfly. Melissa graduated from the Pennsylvania State University with a... Read More →
Wednesday July 22, 2026 8:00am - 8:20am CDT
BCC - Central Bank (39 Class / 60 Theater)

8:00am CDT

History and Current Activities of the Federal Interagency Sedimentation Project
Wednesday July 22, 2026 8:00am - 8:20am CDT
BCC - Nichols (21 Class / 40 Theater)
The Federal Interagency Sedimentation Project (FISP) was founded in 1939 to standardize sediment sampler instrumentation, sampling methods, and sediment sample laboratory analysis processes. The project expanded over the many years of its operation to include automatic samplers, surrogate instrumentation such as acoustics and turbidity meters, water quality samplers, and much more.
This session will cover the history, achievements, and current projects the FISP is working on.
Speakers
PD
Wednesday July 22, 2026 8:00am - 8:20am CDT
BCC - Nichols (21 Class / 40 Theater)
  SEDIMENT

8:00am CDT

A Solution Thirty Years in the Making: The Fargo-Moorhead Diversion Project
Wednesday July 22, 2026 8:00am - 8:50am CDT
BCC - Smith (28 Class / 45 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 8:00am - 8:50am CDT
BCC - Smith (28 Class / 45 Theater)
  SURFACE WATER

8:00am CDT

Ground Control to Major Tom: Custom gage notifications and redundant telemetry options using radio and LoRaWAN in California
Wednesday July 22, 2026 8:00am - 8:50am CDT
BCC - Thames (21 Class / 40 Theater)
An introduction and discussion of benefits and best uses of an experimental LoRa enabled data logger and LoraWAN network highlighting their benefits, practical applications, and optimal use cases. Demonstrations of primary and redundant telemetry options deployed at sites in the Sacramento-San Joaquin Delta and San Francisco Bay. Additional demonstrations showcasing the development of custom alerts, automated notifications, and remotely triggered solutions designed to support site operations, telemetry reliability, and data health monitoring.
Speakers
avatar for Patrick Haluska
avatar for Trevor Violette

Trevor Violette

Physical Scientist
Trevor has been working for the Estuarine Hydrodynamics and Sediment Transport team for almost 14 years. In his time, he has been heavily involved in index velocity and complex velocity mapping projects, water quality, and fish tracking. He's installed more ADCPs, QW Sondes, and Hydrophones... Read More →
Wednesday July 22, 2026 8:00am - 8:50am CDT
BCC - Thames (21 Class / 40 Theater)
  Telemetry

9:00am CDT

Stream2Screen: Streamlining Gage Management with a Real-Time Push Notification System
Wednesday July 22, 2026 9:00am - 9:20am CDT
BCC - Mason (33 Class / 60 Theater)
Efficiency isn't just a goal-- it's a necessity when managing a large network of gages. Manual checks and generic station-health emails are so last century.
We've integrated custom programming into our internet-connected dataloggers to improve our standard monitoring workflow. By utilizing an open-source web server and HTTP PUSH/POST methods, we send push notifications to "subscribed" users. Notifications are completely customizable and end-users only "subscribe" to gages that they run or are interested in. They receive instant notifications if there are instrument-specific issues, total system failures or peaks in parameters that should be targeted. With custom messaging, we also build in troubleshooting tech-tips. No more generic "Low Battery" message; users get specific messaging containing diagnostic tips and the likely culprit for the issue or failure. Our gages don't just record data; they advocate for their own maintenance and targeted sample scheduling.
Speakers
avatar for Trevor Violette

Trevor Violette

Physical Scientist
Trevor has been working for the Estuarine Hydrodynamics and Sediment Transport team for almost 14 years. In his time, he has been heavily involved in index velocity and complex velocity mapping projects, water quality, and fish tracking. He's installed more ADCPs, QW Sondes, and Hydrophones... Read More →
Wednesday July 22, 2026 9:00am - 9:20am CDT
BCC - Mason (33 Class / 60 Theater)
  Telemetry

10:00am CDT

Let's Work Together - USGS Flood Coordination
Wednesday July 22, 2026 10:00am - 10:20am CDT
BCC - Nichols (21 Class / 40 Theater)
Flood Coordination helps facilitate clear, consistent cross‑organizational situational awareness through routine flood coordination calls (internal operational calls and external science calls), updates to Emergency Management and USGS leadership, and participation in interagency briefings, but it doesn't work unless we work together. I would like to present the current approach and am looking for your feedback.
Speakers
avatar for Julia Prokopec

Julia Prokopec

Hydrologist/FIM Coordinator/Assistant Flood Coordinator, USGS
Julia Prokopec is a hydrologist in the Web Informatics & Mapping Team (WIM) in the Upper Midwest Water Science Center in St Paul, MN. She works with partners and lead developers to coordinate development and project management within WIM. She is also the USGS Flood Inundation Mapping... Read More →
Wednesday July 22, 2026 10:00am - 10:20am CDT
BCC - Nichols (21 Class / 40 Theater)
  DATA CHIEFS/FIELD OFFICE CHIEFS

10:30am CDT

Fluvial Sediment Monitoring in the USGS
Wednesday July 22, 2026 10:30am - 11:20am CDT
BCC - Nichols (21 Class / 40 Theater)
In this session we’ll cover the progression of sediment science in the USGS, its uses, importance, and challenges to collect this data. We’ll also cover the current state of sediment science, field support resources, and vision of the future of sediment science in the USGS.
Speakers
PD
Wednesday July 22, 2026 10:30am - 11:20am CDT
BCC - Nichols (21 Class / 40 Theater)
  SEDIMENT

3:00pm CDT

Image-Based Stage Estimation
Wednesday July 22, 2026 3:00pm - 3:50pm CDT
BCC - Mason (33 Class / 60 Theater)
This presentation explores image-based stage estimation as a scalable alternative to traditional sensor networks, evaluating multiple approaches across a network of USGS monitoring sites with fixed-mount cameras. First, commercially available optical gaging software, Tenevia and Noema, are assessed for operational viability and accuracy against sensor-derived stage data. Second, a deep learning regression model (EfficientNet-B0) is trained to predict gage height directly from full scene imagery. Third, a computer vision segmentation pipeline targeting USGS staff plates extracts the air-water interface to derive stage through physical image measurements.
Speakers
CM
MS
Wednesday July 22, 2026 3:00pm - 3:50pm CDT
BCC - Mason (33 Class / 60 Theater)
  IMAGERY AND REMOTE SENSING

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 (54 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
avatar for Tony Trease

Tony Trease

Hydro Tech, USGS
Hydro Tech at the Lakewood Field Office. Colorado WSC Hydracoustics Specialist. Rocky Mountain SUSHI. 17 years with the USGS.
Wednesday July 22, 2026 3:30pm - 3:50pm CDT
BCC - Lackey (54 Tiered Class Only)
  SURFACE WATER

4:00pm CDT

10 Things I Hate About NWDi/WADERS
Wednesday July 22, 2026 4:00pm - 4:50pm CDT
BCC - Central Bank (39 Class / 60 Theater)
The NWDi development team wants to hear why you don’t use NWDi/WADERS and roadblocks/usability issues you come up against. We want to hear your ideas for enhancements. NWDi team plans to take these ideas/issues to drive development and communication on the application.

NWDi/WADERS is an interactive web application that brings together an array of data and approaches to view and manage the USGS water network operations and internal business operational systems in a unified, standardized way for real-time management, resource planning, and situational awareness.
Speakers
avatar for Julia Prokopec

Julia Prokopec

Hydrologist/FIM Coordinator/Assistant Flood Coordinator, USGS
Julia Prokopec is a hydrologist in the Web Informatics & Mapping Team (WIM) in the Upper Midwest Water Science Center in St Paul, MN. She works with partners and lead developers to coordinate development and project management within WIM. She is also the USGS Flood Inundation Mapping... Read More →
avatar for Sonya Vasquez

Sonya Vasquez

Hydrologic Technician, NV WSC
Sonya Vasquez is a Hydrologic Technician with the Nevada Water Science Center. She serves as Product Owner for SIMS/RMS within NWIS and oversees the Discontinued Station – Capital Improvement (DSCI) product under the OSD Hydrologic Networks Branch Software and Field Computing Team... Read More →
avatar for Chuck Hansen

Chuck Hansen

Hydrologist, USGS
Chuck Hansen is a Hydrologist with the California Water Science Center in Sacramento. He leads
a team of software and hardware engineers focusing on remote sensing and data delivery.
avatar for Ashley Heath
Wednesday July 22, 2026 4:00pm - 4:50pm CDT
BCC - Central Bank (39 Class / 60 Theater)
  COMPUTER TOOLS

4:00pm CDT

Flow Photo Explorer: Using Trail Cameras to Estimate Streamflow Dynamics
Wednesday July 22, 2026 4:00pm - 4:50pm CDT
BCC - Mason (33 Class / 60 Theater)
This session introduces the Flow Photo Explorer (FPE)—a USGS tool that uses time-lapse trail camera images to estimate relative streamflow dynamics, especially in ungagged streams and now deployed at 600+ locations. We’ll show how simple imagery can be turned into flow models and highlight ongoing work expanding these methods. The session includes a live demo of the platform so you can see how it works in practice, along with examples of where it’s been useful and what’s coming next.
Speakers
AT
Wednesday July 22, 2026 4:00pm - 4:50pm CDT
BCC - Mason (33 Class / 60 Theater)
  IMAGERY AND REMOTE SENSING

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
 

8:00am CDT

Tips & Tricks for Running Station Levels
Thursday July 23, 2026 8:00am - 9:20am CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)
This session will present different ways to combat common issues/errors when running station levels. Topics covered will include but not limited to: equipment, planning, archiving, and documentation. Attendees will have an opportunity to present their office's tips and tricks for running station levels during Open Mic portion.
Speakers
TS
DW
HS
avatar for Crystal Hammer

Crystal Hammer

Supervisory Hydrologic Technician/Field Office Chief (Columbus, OH), U.S. Geological Survey
I'm the Columbus OH Field Office Chief for the Ohio-Kentucky-Indiana WSC. For my 1st 2.5 years in the USGS, I worked out of the Pacific Islands WSC in Honolulu, Hawaii. I accepted a position in Columbus, Ohio to return to my home state and be closer to family having grown up in Cincinnati... Read More →
Thursday July 23, 2026 8:00am - 9:20am CDT
Hotel Capstone - Presidents (50 Theater/40 Classroom)
  SHOW AND TELL FIELD HACKS: EFFICIENCY TIPS AND TRICKS

1:00pm CDT

Dremio for LDMs and Hydrologists
Thursday July 23, 2026 1:00pm - 1:50pm CDT
BCC - Nichols (21 Class / 40 Theater)
Discover how Dremio makes it easy for local data managers and hydrologists to gain valuable insights from your AQUARIUS Samples Data. Learn to run the growing library of useful queries, build your own custom views, and share them with others. This session is your first step toward modernizing your data workflows.
Speakers
MC

Michael Canova

Hydrologist / Data Management Specialist, U.S. Geological Survey
Thursday July 23, 2026 1:00pm - 1:50pm CDT
BCC - Nichols (21 Class / 40 Theater)
  DATABASE (DBA/LDM/NWIS)

1:00pm CDT

Visualizing Current Conditions at the state-level with hyswap
Thursday July 23, 2026 1:00pm - 2:20pm CDT
BCC - Wilson (54 Tiered Class Only)
This session introduces a set of state-level Python notebooks that use hyswap to generate maps and charts of current water conditions. These notebooks are designed to be easy to run and modify, providing a practical entry point for creating visuals that were previously available through legacy systems like WaterWatch.

Participants will learn how to produce 7-, 14-, and 28-day percentile maps, along with HUC-based runoff maps, using reproducible workflows that can be adapted to different states or regions. The session will walk through how the notebooks are structured, how they access and process data, and how outputs can be customized for specific communication or analysis needs.

This is a hands-on, work-along session. Attendees are encouraged to bring a laptop and follow along as we get the notebooks running locally, step through the code, and make simple modifications. Support will be provided to help participants set up Python environments and troubleshoot issues so they can continue using the notebooks independently after the session. The session is open to anyone interested in learning how to generate state-level water condition visuals using Python, regardless of prior experience.
Speakers
CN
EH
Thursday July 23, 2026 1:00pm - 2:20pm CDT
BCC - Wilson (54 Tiered Class Only)
  COMPUTER TOOLS

1:00pm CDT

Measuring Groundwater flow velocity and direction: Project investigations, long term deployments, and Research and Development of New Multi-dimensional Heat Pulse Flowmeters
Thursday July 23, 2026 1:00pm - 2:20pm CDT
Moody Music - Room 1003 (150 Theater / Thurs Only)
Groundwater flow meters that measure horizontal flow direction and velocity have been used by the USGS in a variety of investigations across the country. Traditionally, these instruments required on-site operation and supported investigative studies of contaminant plumes (such as TCE and PFAS) to aid in site characterization and remedial planning, as well as to evaluate aquifer test responses and production well influence. As part of the NGWOS Illinois Basin Study, groundwater flow meters have been deployed for long-term, telemetered monitoring at two testbed sites to help characterize groundwater flow and direction to assess groundwater–surface water interactions between streams and nearby agricultural areas. Recently, as part of the NGWOS Research and Development sub-program, work has commenced to develop a heat pulse flowmeter that is capable of measuring flow direction and velocity in 3-dimensional space rather than being limited to the horizontal plane. This presentation will provide an overview of available technologies, guidance on proper deployment and operation, case studies, best management practices, and research and development of a new multi-dimensional instrument.
Speakers
avatar for Lance Gruhn

Lance Gruhn

Hydrologist, USGS
Lance Gruhn is a Hydrologist stationed in Iowa City, Iowa and is the groundwater technical and field support lead for the Hydrologic Networks Branck of the USGS Water Resources Mission Area. Lance coordinates the Groundwater Data Processing class and the Groundwater Field Techniques... Read More →
avatar for David Lampe

David Lampe

Supervisory Hydrologist, USGS OKI WSC

MH

Matt Hardebeck

Hydrologist, United States Geological Survey
Thursday July 23, 2026 1:00pm - 2:20pm CDT
Moody Music - Room 1003 (150 Theater / Thurs Only)
  GROUNDWATER

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 (54 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

Arthur Lilienthal

Hydrologist, USGS
Thursday July 23, 2026 1:30pm - 2:20pm CDT
BCC - Lackey (54 Tiered Class Only)
  SURFACE WATER
 

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Filter sessions
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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 (54 Tiered Class Only)
BCC - Mason (33 Class / 60 Theater)
BCC - Mobile (33 Class / 60 Theater)
BCC - Nichols (21 Class / 40 Theater)
BCC - Sellers (476 Class / 800 Theater)
BCC - Smith (28 Class / 45 Theater)
BCC - Thames (21 Class / 40 Theater)
BCC - Wilson (54 Tiered Class Only)
HIF - Command Center (20 Classroom / 30 Theater)
HIF - Electronics Room (Monday)
HIF - Theater (150 Theater / Monday)
Hotel Capstone - Presidents (50 Theater/40 Classroom)
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
  • SEDIMENT
  • SHOW AND TELL FIELD HACKS: EFFICIENCY TIPS AND TRICKS
  • SHOW AND TELL FIELD HACKS: TIPS AND TRICKS
  • SURFACE WATER
  • Telemetry
  • 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;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 session is for managers only.
  • 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.
  • Popular