|
|
|
|
|
|
|
|
|
|
![]() |
||||||||
|
|
|
|
|
|
|
|||
|
|
|
|
|
|||||
|
Characterized by its vast inland freshwater seas (Lakes Superior, Michigan, and Huron), tens of thousands of inland lakes, networks of rivers and streams, and an abundance of groundwater, soil moisture, and winter snowpack, the Upper Midwest contains 16% of the world's freshwater. Despite the region's abundance of water, this precious resource is heavily utilized to support commerce, recreation, transportation, agriculture, and numerous industries (such as hydroelectric power production and tourism). For example, more than 32,000 cubic feet per second of the regional water supply are used for manufacturing, consumption, and power. This heavy reliance of infrastructure and economy on the regional water resources translates into high vulnerability to potential changes in both water supply and water quality. | ||
![]() |
Variations in Great Lakes water levels represent one of the most significant impacts of climate variability on water resources in the region. The water levels are fundamentally important for multiple activities and stakeholders, including shipping, hydroelectric power, shoreline residents, and municipal water supplies. Thus, Center scientists are addressing the critically important issue of understanding how lake levels have varied in the past and how they are likely to change in the future. | |
| Human activities are impacting the quality of these unique resources in many ways, with eutrophication being one of the most pervasive problems affecting the lakes in the region. The primary cause of this "accelerated aging" of the lakes is excessive nutrient input from near-shore land use as well as urban and agricultural runoff. Understanding this tie between lake water quality and land use, particularly in the context of climatic variability, is a major focus for the Upper Midwest Regional Earth Science Applications Center. Paralleling these efforts are assessments of the impacts of dispersed residential and recreationally based land uses on ground water quality. To read more about Water Applications please see our whitepaper (2.02 MB PDF). | ||
