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  • Corps of Engineers opens multi-use recreation areas

    The U.S. Army Corps of Engineers announced day-use and multi-purpose recreation areas around Fort Peck Lake will open May 1 to normal activities, following physical distancing and group limitations to reduce spread of COVID-19.

  • TAM Awards Job Order Contract for Sewage Treatment System, Kuwait

    The Middle East District awarded a contract for a sewage treatment system expansion at Ali Al Salem Air Base, Kuwait.

  • TAM Awards Job Order Contract for Kuwait

    The Middle East District awarded a job order contract for work in Kuwait.

  • 20 questions in 60 seconds with Nathan Rogacki

    20 questions with LRD Employee of the Month

  • Middle East District Officers Support COVID-19 Response

    Two captains from the U.S. Army Corps of Engineers Transatlantic Middle East District (TAM) recently returned from New York City where they had deployed to assist with USACE efforts to build alternate care facilities both in the city and throughout the region.

  • PUBLICATION NOTICE: Seamless Integration of Lidar-Derived Volumes and Geomorphic Features into the Sediment Budget Analysis System

    Abstract: This Regional Sediment Management Technical Note provides a workflow and case study documenting the process to integrate lidar-derived volume changes and changes quantified from geomorphic features into the Sediment Budget Analysis System. Sediment budgets provide an understanding of a region’s sediment sources, project needs, processes, data gaps, engineering actions, and ecological considerations. Elevation data from profiles or lidar, sediment characteristics, dredging and placement information, along with other coastal datasets, are used to understand sediment pathways and develop sediment budgets for a region. Workflows and tools have been updated or modified to integrate sediment budget tools, volume change tools, and remote sensing data for the creation of comprehensive regional sediment budgets. 

  • PUBLICATION NOTICE: Geochemical Fingerprinting of Sediment Sources Associated with Deposition in the Calcasieu Ship Channel

    Abstract: This Regional Sediment Management Technical Note (RSM-TN) demonstrates how geochemical fingerprinting techniques were used to distinguish probable sediment sources to the Calcasieu Ship Channel (CSC). These methods were applied to sediment samples collected from suspected source areas identified in past sediment budget studies. The techniques can be used by managers and stakeholders to make more informed decisions on best practices for managing sediment and mitigating sediment deposition within the channel.

  • USACE to host virtual public review of the Lewisville Lake Master Plan Revision

    The Fort Worth District, U.S. Army Corps of Engineers will host an online review to provide information and receive public input on the final draft revision of the Master Plan for Lewisville Lake. Normally, USACE would conduct a face-to-face public workshop to announce the availability of the draft revised master plan, but precautions associated with the COVID-19 virus have made it necessary to conduct the public involvement process online instead of hosting a face-to-face workshop.

  • US Army Reserve FEST members assist USACE’s COVID19 response projects for Navajo Nation

    Within the U.S. Army Corps of Engineers, the Albuquerque District has the lead assisting the Navajo Nation with their COVID19 response. The Albuquerque District is primarily assisting in the area of constructing alternate care facilities for the Navajo Nation and Indian Health Service.

  • PUBLICATION NOTICE: Analysis of Snow Water Equivalent Annual Maxima in the Upper Connecticut River Basin Using a Max-Stable Spatial Process Model

    Abstract: Recent advances from the science of spatial extremes and model regularization were applied to develop areal-based extremes of snow water equivalent (SWE) data for the upper Connecticut River Basin. Development of areal-based SWE exceedance probability estimates are of relevance for cool season probabilistic flood hazard analyses (PFHA). The approach profiled in this case study is applicable for other hydrometeor-ological variables of relevance to PFHA. The methodology conforms with Extreme Value Theory (EVT) for the analysis of spatial extremes; hence, there is a firm theoretical basis for extrapolation. Trend surface development is guided by EVT theory and recent advances for regularizing general linear models. R, a free software environment for statistical computing and graphics, and QGIS, a free and open-source geographic information system, were the primary tools used for product development and delivery. The following R software packages were primarily used during project execution: evd, Glmnet, maps, raster, rgdal, SDMTools, sp, and SpatialExtremes. R software packages exist in the public domain and support PFHA analyses of varying complexities. Their application herein is not an endorsement or recommendation. It is recommended that one would need to evaluate any particular R software package regarding its suitability for use for any specific application.