 2021 ANNUAL CONFERENCE

3D Hydrography Critical Factors Workshop

• This workshop will identify the current challenges states face in integrating hydrography and elevation data and explore the information, standards, technological, financial, and other resources needed to address the challenges ahead.

 2021 ANNUAL CONFERENCE

3D NHD: Considerations and Complexities of Elevation-Derived Hydrography

• In this presentation, we discuss some of the considerations and complexities involved in hydrologic data derivation including data specifications, landscape specific concerns, data schemas for multiple user communities, feature delineation, and more.

 3DHP FTN INTEREST GROUP MEETING

3DHP For the Nation Interest Group Meeting | June 2022

• Agenda: USGS 3DHP Update, Engaging State 3D Hydrography Stakeholders Discussion: Use of NHD Plus HR: who, why, and what if?

 3DHP FORUM

3DHP FTN Project Introduction Webinar

• This forum addressed NSGIC activities that support national efforts to update the National Hydrography Dataset with elevation-derived hydrography as a first step toward building a 3D National Hydrography Dataset.

 3DHP FORUM

3DHP Info Forum: Lessons Learned in Minnesota’s Approach to EDH | November 2022

• We share lessons learned from developing culvert inventory applications as well as the data structure and metadata.  We also share how these culvert inventories are utilized in the DEM hydro-modification process to develop elevation-derived hydrography.

 3DHP FTN INTEREST GROUP

3DHP Interest Group Meeting Jan 2023

• The 3DHP FTN Interest Group met to kick off the new project year. Topics include USGS and NSGIC project updates, Culvert Mapping Methods and Attributes Survey, and 3DHP-related Midyear Meeting activities.

 3DHP FORUM

3DHP/3DEP Joint Info Forum: The 3D Nation Elevation Requirements and Benefits Study – Final Results

• This presentation provides an overview of the 3D Nation Study conducted by NOAA and USGS to understand the nationwide requirements and benefits of elevation data both on land and underwater.

 3DHP FORUM

Building the Infrastructure for Updating the National Hydrography Datasets with Elevation-Derived Hydrography – Alaska Leads the Way

• May's 3DHP forum featured the state of Alaska describing their process for building infrastructure to update National Hydrography Datasets.

 3DHP FORUM

Concurrent Mapping of National Wetlands Inventory (NWI) and National Hydrography Dataset (NHD) Data

• Join us for the November 3DHP Forum to learn about concurrent mapping of NWI and NHD data, presented by Megan Lang, PhD, Chief Scientist, National Wetlands Inventory, USFWS and Sydney Thielke, GISP, Alaska Regional Wetlands Coordinator, USFWS.

 3DHP FORUM

Culvert Mapping and Hydro-enforcement in the Lake Superior Region

• June's 3DHP Forum featured Wisconsin's efforts to modify their elevation data to better represent flow through man-made drainage structures such as culverts and bridges.

 2021 ANNUAL CONFERENCE

Data for the Nation: 3DEP and 3D Hydrography

• In this session, learn about state motivations for supporting 3DEP and 3DHP and the partnerships that support the vision of a USGS 3D National Topography Model by partnering to acquire data in support of 3DEP and the emerging 3D Hydrography Program (3DHP).

 3DHP FORUM

Exploring the Development and Maintenance of Indiana’s Local-Resolution National Hydrography Data

• July's 3DHP Monthly Forum discussed Indiana’s development and maintenance of local-resolution National Hydrography Data.

 3DHP FORUM

High Resolution Hydrography using Geomorphons: New Approaches and Perspectives for Automated Mapping

• Matthew Baker, PhD, Professor of Geography & Environmental Systems at the University of Maryland, Baltimore County covered the topic of High Resolution Hydrography using Geomorphons.

 3DHP FORUM

Incorporating 3DEP Data Into New York NHD Updates

• October's forum focuses on incorporating 3DEP data into New York NDH updates.

 3DHP FTN INTEREST GROUP

March 2022 NSGIC 3DHP FTN Interest Group Meeting

• Learn more about the 3DHP FTN  Info Hub, the community-developed 3DHP Critical Factors, and share your 3DHP activities and interests.

 3DHP FORUM

Michigan 3DHP Project: Coordination, Data, and Conundrums

• Speakers: Mark Holmes, GISP, Michigan Department of Technology, Management and Budget; Nick Weil, GISP, Michigan State University; Jimmy Monge, NV5 Geospatial

 3DHP FORUM

Michigan EDH Activities

• February's 3DHP forum featured EDH activities in the state of Michigan.

 3DHP FORUM

New Jersey EDH Activities

• April's 3DHP forum featured EDH activities in the state of New Jersey.

 3DEP INTEREST GROUP

NSGIC 3DEP Interest Group: Data Management Follow-up Discussion

 2021 ANNUAL CONFERENCE

The 3D National Topography Model and 3D Hydrography Program - The Next Generation of National Hydrography Datasets

• The USGS is developing a program plan for the 3D National Topography Model (3DNTM) with a focus on the 3D Hydrography Program (3DHP). This presentation will provide an overview of 3DHP plans including scope and timelines for the emerging program.