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  • Understanding and Improving Snow Processes in Noah-MP over the Northeast United States via the New York State Mesonet

    Abstract: Snow is a critical component of the global hydrologic cycle and is a key input to river and stream flow forecasts. In 2016, the National Oceanic and Atmospheric Administration launched the National Water Model (NWM) to provide a high-fidelity numerical forecast of streamflow integrated with the broader atmospheric prediction modeling framework. The NWM is coupled to the atmospheric model using the Noah-MP land surface modeling framework. While snow in Noah-MP has been consistently evaluated in the western United States, less attention has been paid to understanding and optimizing its performance in the Northeast US (NEUS). The newly installed New York State Mesonet (NYSM), a network of high-quality surface meteorological stations distributed across New York State, provides a unique opportunity to evaluate Noah-MP performance in the NEUS. In this report, we document the methodology used to perform single-column simulations using meteorological inputs from the NYSM and compare the point evaluations against baseline NWM performance. We further discuss how enhanced surface energy balance measurements at a selection of NYSM sites can be used to evaluate specific components of Noah-MP and present initial results.

  • Thurmond Lake officials seek volunteers for National Public Lands Day 2022

    SAVANNAH, Ga. – The U.S. Army Corps of Engineers, Savannah District, seeks individual and group volunteers for the annual J. Strom Thurmond Lake cleanup campaign on National Public Lands Day, Sept. 24, 2022.

  • Russell Lake seeks volunteers for National Public Lands Day Cleanup

    Savannah, Ga. – The U.S. Army Corps of Engineers, Savannah District, is seeking volunteers to help clean up around Richard B. Russell Lake in recognition of National Public Lands Day Saturday, Sept. 24, 2022.

  • Corps of Engineers begins Line 5 tunnel EIS scoping process

    DETROIT– The U.S. Army Corps of Engineers is beginning the Enbridge Line 5 pipeline tunnel project Environmental Impact Statement (EIS) scoping process with the Notice of Intent (NOI) publishing in the Federal Register today. The NOI informs the public of the upcoming environmental analysis and describes how the public can become involved in the EIS process for the Enbridge’s Line 5 Pipeline Tunnel project proposal to cross the Straits of Mackinac in Lake Michigan. “The Notice of Intent starts the scoping process, the 60-day period in which the Corps of Engineers solicits Tribal Nation, agency and public input to help define the range of issues and potential alternatives the EIS should address,” said Detroit District Commander Lt. Col. Brett Boyle. “The Corps of Engineers will ensure all voices are heard in an open, transparent and public EIS process.”

  • MKARNS Nav Notice SWL 22-40 Lock 13 Tow Haulage Out of Service

    MKARNS - Tow haulage equipment at Trimble Lock (No. 13) NM 292.8 is currently out of service.

  • Mississippi River Commission prepares for low-water inspection trip

    The Mississippi River Commission will conduct its annual low-water inspection trip on the Mississippi River, Aug. 22 – 26, 2022. Four public meetings are scheduled aboard the Motor Vessel MISSISSIPPI in selected towns along the river. Commission members will meet with local partners, stakeholders and residents and hear their concerns, ideas and issues. The meeting dates, times and locations are as follows: • August 22 9:00 a.m. -- 12:00 p.m. Tiptonville, Tenn. (Riverside Park) • August 23 9:00 a.m. – 12:00 p.m. Memphis, Tenn. (Beale Street Landing) • August 24 2:00 p.m. – 5:00 p.m. Vicksburg, Miss. (City Front) • August 26 9:00 a.m. – 12:00 p.m. Morgan City, La. (Port Commission Dock)

  • Louisville District celebrates Leadership Development Program graduations

    The U.S. Army Corps of Engineers Louisville District celebrated the graduation of the participants of Leadership Development Program Level 1 July 12, and Level 2 on Aug. 4, at the Romano Mazzoli Federal Building in Louisville, Kentucky. Both Leadership Development Program Levels consist of 11-months of professional development to advance the students’ leadership skills through formal training, mentoring, and experiential learning. 

  • BP Cherry Point Terminal Final Environmental Impact Statement Released

    The U.S. Army Corps of Engineers has released the Final Environmental Impact Statement for the North Wing of the BP Cherry Point Marine Terminal, which is located near Ferndale, Washington.

  • 50-year-old Water Control Manual updates slated for Pomme de Terre, public input needed

    Hermitage, Mo. – Plans to update the Water Control Manual for Pomme de Terre Reservoir are underway. The Kansas City District, U.S. Army Corps of Engineers will host an Open House to share information regarding the manual update process and receive public input about issues and concerns related to the management of reservoir levels and dam flows.

  • Swan Island: Monitoring and Adaptive Management Plan

    Abstract: Swan Island is a 10.12 ha island located in the Maryland waters of the Chesapeake Bay. Because of its value as a natural wave break for the town of Ewell on nearby Smith Island, as well as the ongoing erosion and subsidence of the island, in 2019 US Army Corps of Engineers (USACE)–Baltimore District placed 45,873 m³ of dredged sediment and planted 200,000 marsh plants. This restoration provided an opportunity to quantify the engineering (that is, resilience) and ecological performance of the island, postplacement. The lack of quantitative data on the performance of natural features such as islands has led to perceived uncertainties that are often cited as barriers to implementation. To address these data gaps, a multidisciplinary collaboration of five government entities identified project objectives and monitoring parameters through a series of mediated workshops and then developed a conceptual model to articulate those parameters and the linkages between them. This monitoring and adaptive management plan (MAMP) documents those monitoring parameters and procedures and can serve as an example for other scales, regions, and research questions. Documenting research and monitoring efforts may help to foster widespread acceptance of nature-based solutions such as islands.