Flow path studies in forested watersheds of headwater tributaries of Brush Brook, Vermont
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Abstract
An investigation was undertaken into how headwater tributaries of Brush Brook, Vermont, could have average pH differences of almost two units (4.75 and 6.7). Sampling along four tributaries revealed that most of one tributary, below an area of seeps, had consistently higher pH, Ca2+, Mg2+, and K+, and lower Al than other sites. Bedrock mapping showed numerous fractures in vicinity of the seeps. A portion of this tributary's watershed and a portion of an acid tributary's watershed were intensively mapped for soil depth. Sampling showed the widespread existence of dense basal till in the watershed of the acid tributary but none in that of the near-neutral stream. Lateral flow, found above the dense till, was chemically similar to that of the acid tributary and to solutions sampled from soil B horizons. There were no differences in the average pH of nonseep soils sampled from either watershed. Flow paths are hypothesized to be through the B horizons in the acid tributaries and from below the soil profile in the near-neutral tributary. The acid catchment should be more sensitive to environmental change.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Flow path studies in forested watersheds of headwater tributaries of Brush Brook, Vermont |
| Series title | Water Resources Research |
| DOI | 10.1029/94WR01490 |
| Volume | 30 |
| Issue | 9 |
| Year Published | 1994 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Florence Bascom Geoscience Center |
| Description | 8 p. |
| First page | 2611 |
| Last page | 2618 |
| Country | United States |
| State | Vermont |
| City | Huntington |
| Other Geospatial | Brush Brook |
| Google Analytic Metrics | Metrics page |