Interpreting patterns of lake alkalinity in the Upper Midwest region, USA

Technical Report · Thu Jan 01 04:00:00 EST 1987

OSTI ID:6656771

Griffith, G E; Omernik, J M; Kinney, A J

To clarify the extent of sensitivity of surface waters to acidic deposition in Minnesota, Wisconsin, and Michigan, lake and stream patterns were mapped for alkalinity. Data were analyzed from approximately 14,000 lakes and streams and evaluated for the apparent spatial associations between these data and macro-scale factors thought to influence alkalinity (such as land use, land forms, hydrology, geology, and soils). The level to which each factor is important in influencing alkalinity varies within the region. The regional map compiled in the study helps meet the urgent need to understand the relative potential sensitivity of surface waters in the Upper Midwest, provides a tool for selecting geographic areas for more detailed studies, and allows more accurate regional assessments of effects of acidic deposition on aquatic resources.

• Research Organization: Northrop Services, Inc., Corvallis, OR (USA)
• OSTI ID: 6656771
• Report Number(s): PB-87-145769/XAB
• Country of Publication: United States
• Language: English

Related Subjects

520200* -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ACID NEUTRALIZING CAPACITY
ACIDIFICATION
CHEMISTRY
DATA ANALYSIS
ENVIRONMENTAL QUALITY
FEDERAL REGION V
GEOLOGY
HYDROLOGY
LAND USE
MAPPING
MICHIGAN
MINNESOTA
NORTH AMERICA
RESOURCES
SOILS
SURFACE WATERS
USA
WATER CHEMISTRY
WATER QUALITY
WATER RESOURCES
WATERSHEDS
WISCONSIN