The influence of naturally-occurring organic acids on model estimates of lakewater acidification using the model of acidification of groundwater in catchments (MAGIC)

Technical Report · Fri Mar 05 00:00:00 EST 1993

DOI:https://doi.org/10.2172/6776570· OSTI ID:6776570

Sullivan, T J; Eilers, J M ^[1]; Cosby, B J ^[2]; Driscoll, C T ^[3]; Hemond, H F ^[4]; Charles, D F

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1. E and S Environmental Chemistry, Inc., Corvallis, OR (United States)
2. Virginia Univ., Charlottesville, VA (United States). Dept. of Environmental Sciences
3. Syracuse Univ., NY (United States). Dept. of Civil Engineering
4. Massachusetts Inst. of Tech., Cambridge, MA (United States). Dept. of Civil Engineering

A project for the US Department of Energy, entitled Incorporation of an organic acid representation into MAGIC (Model of Acidification of Groundwater in Catchments) and Testing of the Revised Model UsingIndependent Data Sources'' was initiated by E S Environmental Chemistry, Inc. in March, 1992. Major components of the project include: improving the MAGIC model by incorporating a rigorous organic acid representation, based on empirical data and geochemical considerations, and testing the revised model using data from paleolimnological hindcasts of preindustrial chemistry for 33 Adirondack Mountain lakes, and the results of whole-catchment artificial acidification projects in Maine and Norway. The ongoing research in this project involves development of an organic acid representation to be incorporated into the MAGIC modeland testing of the improved model using three independent data sources. The research during Year 1 has included conducting two workshops to agree on an approach for the organic acid modeling, developing the organic subroutine and incorporating it into MAGIC (Task 1), conducing MAGIC hindcasts for Adirondack lakes and comparing the results with paleolimnological reconstructions (Task 2), and conducting site visits to the manipulation project sites in Maine and Norway. The purpose of this report is to provide a summary of the work that has been conducted on this project during Year 1. Tasks 1 and 2 have now been completed.

• Research Organization: E and S Environmental Chemistry, Inc., Corvallis, OR (United States)
• Sponsoring Organization: USDOE; USDOE, Washington, DC (United States)
• DOE Contract Number: FG02-92ER30196
• OSTI ID: 6776570
• Report Number(s): DOE/ER/30196-3; ON: DE93013259
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
GROUND WATER
ACIDIFICATION
LAKES
WATER CHEMISTRY
STATISTICAL MODELS
ADIRONDACK MOUNTAINS
ORGANIC ACIDS
REGIONAL ANALYSIS
APPALACHIAN MOUNTAINS
CHEMISTRY
HYDROGEN COMPOUNDS
MATHEMATICAL MODELS
MOUNTAINS
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
SURFACE WATERS
WATER
540220* - Environment
Terrestrial- Chemicals Monitoring & Transport- (1990-)
540320 - Environment
Aquatic- Chemicals Monitoring & Transport- (1990-)