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  • The Impact of Practitioners’ Personality Traits on Their Level of Systems-Thinking Skills Preferences

    Abstract: In this study, we used a structural equation modeling method to investigate the relationship between systems engineers and engineering managers’ Systems-Thinking (ST) skills preferences and their Personality Traits (PTs) in the domain of complex system problems. As organizations operate in more and more turbulent and complex environments, it has become increasingly important to assess the ST skills preferences and PTs of engineers. The current literature lacks studies related to the impact of systems engineers and engineering managers’ PTs on their ST skills preferences, and this study aims to address this gap. A total of 99 engineering managers and 104 systems engineers provided the data to test four hypotheses posed in this study. The results show that the PTs of systems engineers and engineering managers have a positive impact on their level of ST skills preferences and that the education level, the current occupation type, and the managerial experience of the systems engineers and engineering managers moderate the main relationship in the study.

  • USACE Releases the final revised Millwood Lake Master Plan and Shoreline Management Plan & Lifts Shoreline Use Permit Moratorium

    The U.S. Army Corps of Engineers Little Rock District is releasing the final revised Millwood Lake Master Plan, Shoreline Management Plan, and associated Environmental Assessments.

  • USACE Vicksburg District closes walkway on Lake Ouachita trail prior to repairs

    VICKSBURG, Miss. –The U.S. Army Corps of Engineers (USACE) Vicksburg District will close an elevated walkway on the Lake Ouachita Vista ADA Trail Section due to damage until further notice.

  • USACE serves on unified team to develop water supply resiliency playbook for Jackson, MS

    During late August of this year, the U.S. Army Corps of Engineers (USACE) was knee deep supporting the country with mission assignments that the Corps of Engineers is familiar with such as wildfires, floods, and hurricanes. One unexpected crisis ramped up USACE for an enterprise-wide, unified response to a not so familiar mission assignment – drinking water supply.

  • St. Louis District’s Matthew Glover graduates from the US Army Engineer Research and Development Center (ERDC) University

    Following his six-month project with mentors from the U.S. Army Engineer Research and Development Center’s (ERDC) Geotechnical and Structures Laboratory, geophysicist Matthew Glover with the U.S. Army Corps of Engineers (USACE) St. Louis District presented his research results virtually at the ERDC University (ERDC-U) graduation ceremony Sept. 15, 2022.

  • Hydrology and hydraulics section cross-train fellow employees

    Members of the U.S. Army Corps of Engineers Louisville District Hydrology and Hydraulics Section conducted a stream walk where H&H Limnologist Zac Wolf spoke on biology, ecology and water quality and H&H Engineer Jake Allgeier discussed hydrology and geomorphology at Floyds Fork at Beckley Creek Park, in Louisville, Kentucky, Oct. 6. 

  • Corps performing maintenance dredging at Channel Islands Harbor through January

    The U.S. Army Corps of Engineers Los Angeles District, in coordination with the County of Ventura, is performing maintenance dredging near the entrance of Channel Islands Harbor.

  • 22-070 US Army Corps of Engineers takes turbine out of service at Little Goose Lock and Dam to inspect and repair oil leak

    STARBUCK, Wash. – Maintenance staff at Little Goose Lock and Dam have confirmed an oil leak in the Main Unit #1 turbine system, some of which was released to the Snake River. The turbine is part of the hydropower generating system at the dam.

  • Office of Counsel provides legal services for the Mobile District

    In an organization as big as the U.S. Army Corps of Engineers and the Mobile District, it stands to reason that it would require legal representation.

  • Numerical Modeling of Mesoscale Infrasound Propagation in the Arctic

    Abstract: The impacts of characteristic weather events and seasonal patterns on infrasound propagation in the Arctic region are simulated numerically. The methodology utilizes wide-angle parabolic equation methods for a windy atmosphere with inputs provided by radiosonde observations and a high-resolution reanalysis of Arctic weather. The calculations involve horizontal distances up to 200 km for which interactions with the troposphere and lower stratosphere dominate. Among the events examined are two sudden stratospheric warmings, which are found to weaken upward refraction by temperature gradients while creating strongly asymmetric refraction from disturbances to the circumpolar winds. Also examined are polar low events, which are found to enhance negative temperature gradients in the troposphere and thus lead to strong upward refraction. Smaller-scale and topographically driven phenomena, such as low-level jets, katabatic winds, and surface-based temperature inversions, are found to create frequent surface-based ducting out to 100 km. The simulations suggest that horizontal variations in the atmospheric profiles, in response to changing topography and surface property transitions, such as ice boundaries, play an important role in the propagation.