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STREAMFLOW OF THE OCCOQUAN RIVER IN VIRGINIA AS RECONSTRUCTED FROM TREE‐RING SERIES 1
Author(s) -
Phipps Richard L.
Publication year - 1983
Publication title -
jawra journal of the american water resources association
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.957
H-Index - 105
eISSN - 1752-1688
pISSN - 1093-474X
DOI - 10.1111/j.1752-1688.1983.tb02796.x
Subject(s) - streamflow , dendrochronology , hydrology (agriculture) , water year , climatology , drainage basin , environmental science , structural basin , series (stratigraphy) , geography , geology , archaeology , cartography , geomorphology , paleontology , geotechnical engineering
Tree‐ring indices representing seven sites were used to reconstruct monthly summer streamflow in the Occoquan River basin of northern Virginia from 1841 to 1975. Attempts were made to reconstruct flow for each of the months, April through August. Reconstructions for June, July, and August were judged most reliable. Major mid‐summer flow minima persisting for more than one year were reconstructed as having occurred in the early 1870's, the early 1930's, and the mid‐1960's. Aside from these major dry periods, a greater frequency of extreme low flow during individual years is indicated for the entire record than for the most recent 50 years.