Wired in Bangkok
Mamma Mia! Long before Benny and Björn ditched Agneth and Anni to launch the “fine piece of pop culture” (to use the Onion’s words) that is currently raking in cash at the box office, they collaborated with Murray Head (I had no idea, but that’s actually his real name) to put together a lesser-known, Cold War musical: […]
What the HEC?
HEC vs. HEC Please note: All training, webinars, and professional development content has been moved to hydroschool.org. Please find current content for floodways at hydroschool.org/HEC/. H&H trivia question: Does the “H” in HEC stand for hydrologic or hydraulic? H&H trivia answer: Well, the answer depends whether you’re dealing with the U.S. Army Corps of […]
Flooding Hobbiton Part 2: Closing the Wormhole
Flooding Hobbiton Part 1: Saved views and static imagery Flooding Hobbiton Part 2: Closing the wormhole Flooding Hobbiton Part 3: What’s new in HEC-RAS 5.0.4 This is the last of our articles that will include wormhole culverts, since they have become obsolete with the advent of HEC-RAS Version 5.0.4. In order to set up a comparison to […]
Flooding Hobbiton Part 1: Saved views and static imagery
Flooding Hobbiton Part 1: Saved views and static imagery Flooding Hobbiton Part 2: Closing the wormhole Flooding Hobbiton Part 3: What’s new in HEC-RAS 5.0.4 Much of what was previously done to support HEC-RAS projects in QGIS, ArcGIS, MapInfo, or other CAD/GIS products can now be done directly in RAS Mapper; for this article, we’ll […]
Flooding Hobbiton Part 3: What’s new in HEC-RAS 5.0.4?
Flooding Hobbiton Part 1: Saved views and static imagery Flooding Hobbiton Part 2: Closing the wormhole Flooding Hobbiton Part 3: What’s new in HEC-RAS 5.0.4 Wrapping up our three-part coverage of the Great Hobbiton Flood, this article highlights some of the new features available in HEC-RAS 5.0.4, which was released on May 2, 2018. [See our […]
Using a Frequency Storm with Rain-on-grid hydraulics
Please note: All training, webinars, and professional development content has been moved to hydroschool.org. Please find current content for Frequency Storm at hydroschool.org/frequency/. [Download the Excel spreadsheet: Surface Water Solutions Frequency Storm Calculator V1.0] If you have used HEC-HMS to develop rainfall-runoff relationships for your catchment/watershed, you may be familiar with the option of selecting […]
Making Middle Zealand
This article covers terrain modification in HEC-RAS and the introduction of tidal boundary conditions as stage hydrographs. For this example (Workshop #6 from our New Zealand course), we’ll set up one of our tutorial models from scratch and create a new island that we’ll call “Middle Zealand!” [By the way, all of the data sources for this […]
My HEC-RAS Wish List
Please note: All continuing education resources previously listed at surfacewater.biz have moved to hydroschool.org; going forward, the surfacewater.biz website will be dedicated to drainage-related consulting work only. Check out our updated HEC-RAS wish list at hydroschool.org/wish/. Below is the archived page: This page serves as a repository for bug fixes and other suggestions compiled from ongoing HEC-RAS course […]
Riparianism
Please note: All training, webinars, and professional development content has been moved to hydroschool.org. Please find current content for Riparianism at hydroschool.org/riparian/. Check out our global webinar featuring the “Bad River” film series and other related resources here: Reversing Riparianism] Are you a Riparianist, too? by Krey Price June 2017 – a reaction to […]
Benchmarking
Please note: All training, webinars, and professional development content has been moved to hydroschool.org. Please find current content for Benchmarking at hydroschool.org/benchmarking/. Click here to download the 2016 U.S. Army Corps of Engineers report Benchmarking of the HEC-RAS Two-Dimensional Hydraulic Modeling Capabilities. Here are some additional resources related to hardware and software benchmarking: The performance of HEC-RAS against other models is covered […]