Using Hydrogeomorphic Criteria to Classify Wetlands on Mt. Desert Island, Maine - Approach, Classificaiton System, and Examples
Nielsen MG, Guntenspergen GR, Neckles HA. 2005. Using Hydrogeomorphic Criteria to Classify Wetlands on Mt. Desert Island, Maine - Approach, Classificaiton System, and Examples. Scientific Investigations Report 2005-5244. U.S. Deparment of the Interior U.S. Geological Survey. Reston, VA
'Abstract: A wetland classification system was designed for Mt. Desert Island, Maine, to help categorize the large number of wetlands (over 1,200 mapped units) as an aid to understanding their hydrologic functions. The classification system, developed by the U.S. Geological Survey (USGS), in cooperation with the National Park Service, uses a modified hydrogeomorphic (HGM) approach, and assigns categories based on position in the landscape, soils and surficial geologic setting, and source of water. A dichotomous key was developed to determine a preliminary HGM classification of wetlands on the island. This key is designed for use with USGS topographic maps and 1:24,000 geographic information system (GIS) coverages as an aid to the classification, but may also be used with field data. Hydrologic data collected from a wetland monitoring study were used to determine whether the preliminary classification of individual wetlands using the HGM approach yielded classes that were consistent with actual hydroperiod data. Preliminary HGM classifications of the 20 wetlands in the monitoring study were consistent with the field hydroperiod data. The modified HGM classification approach appears robust, although the method apparently works somewhat better with undisturbed wetlands than with disturbed wetlands. This wetland classification system could be applied to other hydrogeologically similar areas of northern New England.' Table 4 is classification of example wetlands using dichotomous key for wetland classification, Mt. Desert Island, Maine. Figure 14 is a map of wetlands greater than 2 hectare used for test classification. /STUDY LOCATIONS:/ /ACADIA NATIONAL PARK/MOUNT DESERT ISLAND/Great Meadow/ NW Witch/ NE Witch/ Beaver/Jackson/Precipice/Beehive/Cannon/Turner/Bernard/RT 198S/Seal Cove/Eagle/Marshall/RT 198N/Duck/Ripple/Hio Hill/Gilmore/Hulls/
- Type
- Published Report
- Authors
- Nielsen, Martha; Guntenspergen, Glenn; Neckles, Hilary
- Date of Issue
- 2005
- Publisher
- U.S. Deparment of the Interior U.S. Geological Survey
- Units
- ACAD , WRD
- Keywords
- Acadia National Park, Beaver, Beehive, Bernard, cannon, Clemson, Current (Water), Discharge, Drainage, duck, Eagle, Gilmore, Great Meadow, Groundwater, Hio Hill, Hulls, Hydrology, Jackson, Marshall, Monitoring, Mount Desert Island, NE Witch, NW Witch, Precipice, Ripple, rivers &streams, RT 198N, RT 198S, Seal Cove, Turner, Water Quality, Watersheds, Wetlands