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Title: Numerical Weather Forecasting at the Savannah River Site

Abstract

Facilities such as the Savannah River Site (SRS), which contain the potential for hazardous atmospheric releases, rely on the predictive capabilities of dispersion models to assess possible emergency response actions. The operational design in relation to domain size and forecast time is presented, along with verification of model results over extended time periods with archived surface observations.

Authors:
Publication Date:
Research Org.:
Savannah River Site (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
4787
Report Number(s):
WSRC-TR-98-00210
TRN: US0101522
DOE Contract Number:
AC09-96SR18500
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 26 Jan 1999
Country of Publication:
United States
Language:
English
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; FORECASTING; SAVANNAH RIVER PLANT; WEATHER; EMERGENCY PLANS; ENVIRONMENTAL TRANSPORT; FLOW MODELS

Citation Formats

Buckley, R.L.. Numerical Weather Forecasting at the Savannah River Site. United States: N. p., 1999. Web. doi:10.2172/4787.
Buckley, R.L.. Numerical Weather Forecasting at the Savannah River Site. United States. doi:10.2172/4787.
Buckley, R.L.. Tue . "Numerical Weather Forecasting at the Savannah River Site". United States. doi:10.2172/4787. https://www.osti.gov/servlets/purl/4787.
@article{osti_4787,
title = {Numerical Weather Forecasting at the Savannah River Site},
author = {Buckley, R.L.},
abstractNote = {Facilities such as the Savannah River Site (SRS), which contain the potential for hazardous atmospheric releases, rely on the predictive capabilities of dispersion models to assess possible emergency response actions. The operational design in relation to domain size and forecast time is presented, along with verification of model results over extended time periods with archived surface observations.},
doi = {10.2172/4787},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jan 26 00:00:00 EST 1999},
month = {Tue Jan 26 00:00:00 EST 1999}
}

Technical Report:

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  • This paper discusses the use of an advanced three-dimensional prognostic numerical model to provide space and time-dependent meteorological data for use in the WIND System dispersion models.
  • Weather forecasts at the Savannah River Site (SRS) are important for applications to emergency response. The fate of accidentally released radiological materials and toxic chemicals can be determined by providing wind and turbulence input to atmospheric transport models. This operation has been routinely performed at SRS using the WIND system, a system of computer models and monitors that collects data from towers situated throughout the SRS. However, the information provided to these models is spatially homogeneous (in one or two dimensions) with an elementary forecasting capability. This paper discusses the use of an advanced three-dimensional prognostic numerical model to providemore » space- and time-dependent meteorological data for use in the WIND system dispersion models. The extensive meteorological data collection at SRS serves as a ground truth for further model development as well as for use in other applications. A prognostic mesoscale model, the regional atmospheric modeling system (RAMS), is used to provide these forecasts. Use of RAMS allows for incorporation of mesoscale features such as the sea breeze, which has been shown to affect local weather conditions. This paper discusses the mesoscale model and its configuration for the operational simulation, as well as an application using a dispersion model at the SRS.« less
  • Weather forecasts at the Savannah River Site (SRS) are important for applications to emergency response. The fate of accidentally-released radiological materials and toxic chemicals can be determined by providing wind and turbulence input to atmospheric transport models. This operation has been routinely performed at SRS using the WIND System, a system of computer models and monitors which collect data from towers situated throughout the SRS. However, the information provided to these models is spatially homogeneous (in one or two dimensions) with an elementary forecasting capability. This paper discusses the use of an advanced three-dimensional prognostic numerical model to provide spacemore » and time-dependent meteorological data for use in the WIND System dispersion models. The extensive meteorological data collection at SRS serves as a ground truth for further model development as well as for use in other applications.« less
  • The Department of Energy (DOE) is preparing an Environmental Impact Statement (EIS) as part of the process for continuing operation of three reactors at the Savannah River Site (SRS). As required by the National Environmental Policy Act (NEPA), the EIS must address the potential environmental consequences to human health and the environment of this major federal action.'' Some of the possible consequences are related to subsurface transport of radionuclides released to seepage basins during normal reactor operation. To assist in the evaluation of the potential subsurface environmental impacts of these releases, Camp Dresser McKee Inc. (CDM) was contracted in Junemore » of 1989 to develop a three-dimensional groundwater flow and contaminant transport model which will simulate the movement of radionuclides at each of the reactor areas after they enter the groundwater system through the seepage basins. This report describes the development, calibration, and simulation results of the groundwater flow and contaminant transport model developed for this task. 10 refs., 63 figs., 11 tabs.« less
  • This report has been prepared in response to the request by the House Appropriations Committee to address the permanent isolation and containment/removal of the contaminants associated with the seepage basins at the Savannah River Site (SRS). Many of the activities regarding groundwater monitoring and status referred to in this report will be discussed in detail in a companion report on the Groundwater Monitoring Program at the SRS (WSRC-RP-89-889). Seepage Basins are broadly defined as excavated, unlined earthen basins designed to receive and store, treat, or recharge various liquid waste streams. Not included in this report are basins containing only non-hazardous,more » non-radioactive constituents, such as ash basins. Fifty-four basins are discussed in this report, forty of which are inactive. Five of the remaining fourteen active basins are coal pile runoff basins, one is an ash basin that also receives coal rejects, and the remaining eight are reactor seepage basins. The Department of Energy--Savannah River (DOE-SR) has notified the South Carolina Department of Health and Environmental Control (SCDHEC) of its intent to apply for National Pollution Discharge Elimination System (NPDES) Permits for the direct discharge of disassembly basin purge water. One the permits are issued the reactor basins will be taken out of service. All of the basins discussed in this report will be remediated under Federal and/or State regulatory environmental programs. 43 figs., 6 tabs.« less